aboutsummaryrefslogtreecommitdiff
path: root/src/java/com/android/internal/telephony/SMSDispatcher.java
blob: a78242ad5a87d1804a1a215a38398cc6bfb8a346 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
/*
 * Copyright (C) 2006 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.internal.telephony;

import static android.Manifest.permission.SEND_SMS_NO_CONFIRMATION;

import static com.android.internal.telephony.IccSmsInterfaceManager.SMS_MESSAGE_PERIOD_NOT_SPECIFIED;
import static com.android.internal.telephony.IccSmsInterfaceManager.SMS_MESSAGE_PRIORITY_NOT_SPECIFIED;
import static com.android.internal.telephony.SmsResponse.NO_ERROR_CODE;

import android.annotation.UserIdInt;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.PendingIntent;
import android.app.PendingIntent.CanceledException;
import android.app.compat.CompatChanges;
import android.compat.annotation.ChangeId;
import android.compat.annotation.EnabledSince;
import android.compat.annotation.UnsupportedAppUsage;
import android.content.BroadcastReceiver;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.res.Resources;
import android.content.res.Resources.NotFoundException;
import android.database.ContentObserver;
import android.net.Uri;
import android.os.AsyncResult;
import android.os.Binder;
import android.os.Build;
import android.os.Handler;
import android.os.Looper;
import android.os.Message;
import android.os.PersistableBundle;
import android.os.Process;
import android.os.SystemClock;
import android.os.UserHandle;
import android.provider.Settings;
import android.provider.Telephony;
import android.provider.Telephony.Sms;
import android.service.carrier.CarrierMessagingService;
import android.service.carrier.CarrierMessagingServiceWrapper;
import android.service.carrier.CarrierMessagingServiceWrapper.CarrierMessagingCallback;
import android.telephony.AnomalyReporter;
import android.telephony.CarrierConfigManager;
import android.telephony.PhoneNumberUtils;
import android.telephony.ServiceState;
import android.telephony.SmsManager;
import android.telephony.SubscriptionManager;
import android.telephony.TelephonyManager;
import android.text.Html;
import android.text.Spanned;
import android.text.TextUtils;
import android.util.EventLog;
import android.util.IndentingPrintWriter;
import android.util.LocalLog;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.TextView;

import com.android.internal.R;
import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.telephony.GsmAlphabet.TextEncodingDetails;
import com.android.internal.telephony.cdma.sms.UserData;
import com.android.internal.telephony.subscription.SubscriptionInfoInternal;
import com.android.internal.telephony.subscription.SubscriptionManagerService;
import com.android.internal.telephony.uicc.IccRecords;
import com.android.internal.telephony.util.TelephonyUtils;
import com.android.telephony.Rlog;

import java.io.FileDescriptor;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Random;
import java.util.UUID;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;

public abstract class SMSDispatcher extends Handler {
    static final String TAG = "SMSDispatcher";    // accessed from inner class
    static final boolean DBG = false;
    private static final String SEND_NEXT_MSG_EXTRA = "SendNextMsg";
    private static final String MESSAGE_ID_EXTRA = "MessageId";
    protected static final String MAP_KEY_PDU = "pdu";
    protected static final String MAP_KEY_SMSC = "smsc";
    protected static final String MAP_KEY_DEST_ADDR = "destAddr";
    protected static final String MAP_KEY_SC_ADDR = "scAddr";
    protected static final String MAP_KEY_DEST_PORT = "destPort";
    protected static final String MAP_KEY_DATA = "data";
    protected static final String MAP_KEY_TEXT = "text";

    private static final int PREMIUM_RULE_USE_SIM = 1;
    private static final int PREMIUM_RULE_USE_NETWORK = 2;
    private static final int PREMIUM_RULE_USE_BOTH = 3;
    private final AtomicInteger mPremiumSmsRule = new AtomicInteger(PREMIUM_RULE_USE_SIM);
    private final SettingsObserver mSettingsObserver;

    /** SMS send complete. */
    protected static final int EVENT_SEND_SMS_COMPLETE = 2;

    /** Retry sending a previously failed SMS message */
    protected static final int EVENT_SEND_RETRY = 3;

    /** Confirmation required for sending a large number of messages. */
    private static final int EVENT_SEND_LIMIT_REACHED_CONFIRMATION = 4;

    /** Send the user confirmed SMS */
    static final int EVENT_SEND_CONFIRMED_SMS = 5; // accessed from inner class

    /** Don't send SMS (user did not confirm). */
    static final int EVENT_STOP_SENDING = 6; // accessed from inner class

    /** Don't send SMS for this app (User had already denied eariler.) */
    static final int EVENT_SENDING_NOT_ALLOWED = 7;

    /** Confirmation required for third-party apps sending to an SMS short code. */
    private static final int EVENT_CONFIRM_SEND_TO_POSSIBLE_PREMIUM_SHORT_CODE = 8;

    /** Confirmation required for third-party apps sending to an SMS short code. */
    private static final int EVENT_CONFIRM_SEND_TO_PREMIUM_SHORT_CODE = 9;

    /** New status report received. */
    protected static final int EVENT_NEW_SMS_STATUS_REPORT = 10;

    /** Retry Sending RP-SMMA Notification */
    protected static final int EVENT_RETRY_SMMA = 11;
    // other
    protected static final int EVENT_NEW_ICC_SMS = 14;
    protected static final int EVENT_ICC_CHANGED = 15;
    protected static final int EVENT_GET_IMS_SERVICE = 16;

    /** Last TP - Message Reference value update to SIM */
    private static final int EVENT_TPMR_SIM_UPDATE_RESPONSE = 17;

    /** Handle SIM loaded  */
    private static final int EVENT_SIM_LOADED = 18;

    /**
     * When this change is enabled, more specific values of SMS sending error code
     * {@link SmsManager#Result} will be returned to the SMS Apps.
     *
     * Refer to {@link SMSDispatcher#rilErrorToSmsManagerResult} fore more details of the new values
     * of SMS sending error code that will be returned.
     */
    @ChangeId
    @EnabledSince(targetSdkVersion = Build.VERSION_CODES.TIRAMISU)
    static final long ADD_MORE_SMS_SENDING_ERROR_CODES = 250017070L;

    @UnsupportedAppUsage
    protected Phone mPhone;
    @UnsupportedAppUsage
    protected final Context mContext;
    @UnsupportedAppUsage
    protected final ContentResolver mResolver;
    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
    protected final CommandsInterface mCi;
    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
    protected final TelephonyManager mTelephonyManager;
    protected final LocalLog mLocalLog = new LocalLog(16);
    protected final LocalLog mSmsOutgoingErrorCodes = new LocalLog(10);

    /** Maximum number of times to retry sending a failed SMS. */
    protected static final int MAX_SEND_RETRIES = 3;

    /** Retransmitted Flag as specified in section 6.3.1.2 in TS 124011
     * true:  RP-SMMA Retried once and no more transmissions are permitted
     * false: not retried at all and at least another transmission of the RP-SMMA message
     * is currently permitted
     */
    protected boolean mRPSmmaRetried = false;

    /** Delay before next send attempt on a failed SMS, in milliseconds. */
    @VisibleForTesting
    public static final int SEND_RETRY_DELAY = 2000;
    /** Message sending queue limit */
    private static final int MO_MSG_QUEUE_LIMIT = 5;
    /** SMS anomaly uuid -- CarrierMessagingService did not respond */
    private static final UUID sAnomalyNoResponseFromCarrierMessagingService =
            UUID.fromString("279d9fbc-462d-4fc2-802c-bf21ddd9dd90");
    /** SMS anomaly uuid -- CarrierMessagingService unexpected callback */
    private static final UUID sAnomalyUnexpectedCallback =
            UUID.fromString("0103b6d2-ad07-4d86-9102-14341b9074ef");

    /**
     * Message reference for a CONCATENATED_8_BIT_REFERENCE or
     * CONCATENATED_16_BIT_REFERENCE message set.  Should be
     * incremented for each set of concatenated messages.
     * Static field shared by all dispatcher objects.
     */
    private static int sConcatenatedRef = new Random().nextInt(256);

    protected SmsDispatchersController mSmsDispatchersController;

    /** Number of outgoing SmsTrackers waiting for user confirmation. */
    private int mPendingTrackerCount;

    /* Flags indicating whether the current device allows sms service */
    protected boolean mSmsCapable = true;
    protected boolean mSmsSendDisabled;

    @VisibleForTesting
    public int mCarrierMessagingTimeout = 10 * 60 * 1000; //10 minutes

    /** Used for storing last TP - Message Reference used*/
    private int mMessageRef = -1;

    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
    protected static int getNextConcatenatedRef() {
        sConcatenatedRef += 1;
        return sConcatenatedRef;
    }

    /**
     * Create a new SMS dispatcher.
     * @param phone the Phone to use
     */
    protected SMSDispatcher(Phone phone, SmsDispatchersController smsDispatchersController) {
        mPhone = phone;
        mSmsDispatchersController = smsDispatchersController;
        mContext = phone.getContext();
        mResolver = mContext.getContentResolver();
        mCi = phone.mCi;
        mTelephonyManager = (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE);
        mSettingsObserver = new SettingsObserver(this, mPremiumSmsRule, mContext);
        mContext.getContentResolver().registerContentObserver(Settings.Global.getUriFor(
                Settings.Global.SMS_SHORT_CODE_RULE), false, mSettingsObserver);

        mSmsCapable = mContext.getResources().getBoolean(
                com.android.internal.R.bool.config_sms_capable);
        mSmsSendDisabled = !mTelephonyManager.getSmsSendCapableForPhone(
                mPhone.getPhoneId(), mSmsCapable);
        IntentFilter intentFilter = new IntentFilter();
        intentFilter.addAction(Intent.ACTION_SIM_STATE_CHANGED);
        mContext.registerReceiver(mBroadcastReceiver, intentFilter);
        Rlog.d(TAG, "SMSDispatcher: ctor mSmsCapable=" + mSmsCapable + " format=" + getFormat()
                + " mSmsSendDisabled=" + mSmsSendDisabled);
    }

    private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(final Context context, Intent intent) {
            Rlog.d(TAG, "Received broadcast " + intent.getAction());
            if (Intent.ACTION_SIM_STATE_CHANGED.equals(intent.getAction())) {
                if (!intent.hasExtra(Intent.EXTRA_SIM_STATE)) {
                    Rlog.d(TAG, "Extra not found in intent.");
                } else {
                    String simState = intent.getStringExtra(Intent.EXTRA_SIM_STATE);
                    if (simState.equals(Intent.SIM_STATE_LOADED)) {
                        Rlog.d(TAG, "SIM_STATE_CHANGED : SIM_LOADED");
                        Message msg = obtainMessage(EVENT_SIM_LOADED);
                        msg.arg1 = getSubId();
                        sendMessage(msg);
                    }
                }
            }
        }
    };

    /**
     * Observe the secure setting for updated premium sms determination rules
     */
    private static class SettingsObserver extends ContentObserver {
        private final AtomicInteger mPremiumSmsRule;
        private final Context mContext;
        SettingsObserver(Handler handler, AtomicInteger premiumSmsRule, Context context) {
            super(handler);
            mPremiumSmsRule = premiumSmsRule;
            mContext = context;
            onChange(false); // load initial value;
        }

        @Override
        public void onChange(boolean selfChange) {
            mPremiumSmsRule.set(Settings.Global.getInt(mContext.getContentResolver(),
                    Settings.Global.SMS_SHORT_CODE_RULE, PREMIUM_RULE_USE_SIM));
        }
    }

    /** Unregister for incoming SMS events. */
    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
    public void dispose() {
        mContext.getContentResolver().unregisterContentObserver(mSettingsObserver);
    }

    /**
     * The format of the message PDU in the associated broadcast intent.
     * This will be either "3gpp" for GSM/UMTS/LTE messages in 3GPP format
     * or "3gpp2" for CDMA/LTE messages in 3GPP2 format.
     *
     * Note: All applications which handle incoming SMS messages by processing the
     * SMS_RECEIVED_ACTION broadcast intent MUST pass the "format" extra from the intent
     * into the new methods in {@link android.telephony.SmsMessage} which take an
     * extra format parameter. This is required in order to correctly decode the PDU on
     * devices which require support for both 3GPP and 3GPP2 formats at the same time,
     * such as CDMA/LTE devices and GSM/CDMA world phones.
     *
     * @return the format of the message PDU
     */
    protected abstract String getFormat();

    /**
     * Gets the maximum number of times the SMS can be retried upon Failure,
     * from the {@link android.telephony.CarrierConfigManager}
     *
     * @return the default maximum number of times SMS can be sent
     */
    protected int getMaxSmsRetryCount() {
        return MAX_SEND_RETRIES;
    }

    /**
     * Gets the Time delay before next send attempt on a failed SMS,
     * from the {@link android.telephony.CarrierConfigManager}
     *
     * @return the Time in miiliseconds for delay before next send attempt on a failed SMS
     */
    protected int getSmsRetryDelayValue() {
        return SEND_RETRY_DELAY;
    }

    /**
     * Called when a status report is received. This should correspond to a previously successful
     * SEND.
     *
     * @param o AsyncResult object including a byte array for 3GPP status report PDU or SmsMessage
     *          object for 3GPP2 status report.
     */
    protected void handleStatusReport(Object o) {
        Rlog.d(TAG, "handleStatusReport() called with no subclass.");
    }

    /**
     * Handles events coming from the phone stack. Overridden from handler.
     *
     * @param msg the message to handle
     */
    @Override
    public void handleMessage(Message msg) {
        switch (msg.what) {
            case EVENT_SEND_SMS_COMPLETE:
                // An outbound SMS has been successfully transferred, or failed.
                handleSendComplete((AsyncResult) msg.obj);
                break;

            case EVENT_SEND_RETRY:
                Rlog.d(TAG, "SMS retry..");
                sendRetrySms((SmsTracker) msg.obj);
                break;

            case EVENT_SEND_LIMIT_REACHED_CONFIRMATION:
                handleReachSentLimit((SmsTracker[]) (msg.obj));
                break;

            case EVENT_CONFIRM_SEND_TO_POSSIBLE_PREMIUM_SHORT_CODE:
                handleConfirmShortCode(false, (SmsTracker[]) (msg.obj));
                break;

            case EVENT_CONFIRM_SEND_TO_PREMIUM_SHORT_CODE:
                handleConfirmShortCode(true, (SmsTracker[]) (msg.obj));
                break;

            case EVENT_SEND_CONFIRMED_SMS: {
                SmsTracker[] trackers = (SmsTracker[]) msg.obj;
                for (SmsTracker tracker : trackers) {
                    sendSms(tracker);
                }
                mPendingTrackerCount--;
                break;
            }

            case EVENT_SENDING_NOT_ALLOWED: {
                SmsTracker[] trackers = (SmsTracker[]) msg.obj;
                Rlog.d(TAG, "SMSDispatcher: EVENT_SENDING_NOT_ALLOWED - "
                        + "sending SHORT_CODE_NEVER_ALLOWED error code.");
                handleSmsTrackersFailure(
                        trackers, SmsManager.RESULT_ERROR_SHORT_CODE_NEVER_ALLOWED, NO_ERROR_CODE);
                break;
            }

            case EVENT_STOP_SENDING: {
                SmsTracker[] trackers = (SmsTracker[]) msg.obj;
                int error;
                if (msg.arg1 == ConfirmDialogListener.SHORT_CODE_MSG) {
                    if (msg.arg2 == ConfirmDialogListener.NEVER_ALLOW) {
                        error = SmsManager.RESULT_ERROR_SHORT_CODE_NEVER_ALLOWED;
                        Rlog.d(TAG, "SMSDispatcher: EVENT_STOP_SENDING - "
                                + "sending SHORT_CODE_NEVER_ALLOWED error code.");
                    } else {
                        error = SmsManager.RESULT_ERROR_SHORT_CODE_NOT_ALLOWED;
                        Rlog.d(TAG, "SMSDispatcher: EVENT_STOP_SENDING - "
                                + "sending SHORT_CODE_NOT_ALLOWED error code.");
                    }
                } else if (msg.arg1 == ConfirmDialogListener.RATE_LIMIT) {
                    error = SmsManager.RESULT_ERROR_LIMIT_EXCEEDED;
                    Rlog.d(TAG, "SMSDispatcher: EVENT_STOP_SENDING - "
                            + "sending LIMIT_EXCEEDED error code.");
                } else {
                    error = SmsManager.RESULT_UNEXPECTED_EVENT_STOP_SENDING;
                    Rlog.e(TAG, "SMSDispatcher: EVENT_STOP_SENDING - unexpected cases.");
                }

                handleSmsTrackersFailure(trackers, error, NO_ERROR_CODE);
                mPendingTrackerCount--;
                break;
            }

            case EVENT_NEW_SMS_STATUS_REPORT:
                handleStatusReport(msg.obj);
                break;
            case EVENT_TPMR_SIM_UPDATE_RESPONSE:
                handleMessageRefStatus(msg);
                break;

            case EVENT_SIM_LOADED:
                /* sim TPMR value is given higher priority if both are non-negative number.
                   Use case:
                   if sim was used on another device and inserted in a new device,
                   that device will start sending the next TPMR after reading from the SIM.
                 */
                mMessageRef = getTpmrValueFromSIM();
                if (mMessageRef == -1) {
                    SubscriptionInfoInternal subInfo = SubscriptionManagerService.getInstance()
                            .getSubscriptionInfoInternal(msg.arg1);
                    if (subInfo != null) {
                        mMessageRef = subInfo.getLastUsedTPMessageReference();
                    }
                }
                break;

            default:
                Rlog.e(TAG, "handleMessage() ignoring message of unexpected type " + msg.what);
        }
    }

    private void handleMessageRefStatus(Message msg) {
        AsyncResult ar = (AsyncResult) msg.obj;
        if (ar.exception != null) {
            Rlog.e(TAG, "Failed to update TP - Message reference value to SIM " + ar.exception);
        } else {
            Rlog.d(TAG, "TP - Message reference updated to SIM Successfully");
        }
    }

    private void updateTPMessageReference() {
        updateSIMLastTPMRValue(mMessageRef);
        final long identity = Binder.clearCallingIdentity();
        try {
            SubscriptionManagerService.getInstance()
                    .setLastUsedTPMessageReference(getSubId(), mMessageRef);
        } catch (SecurityException e) {
            Rlog.e(TAG, "Security Exception caused on messageRef updation to DB " + e.getMessage());
        } finally {
            Binder.restoreCallingIdentity(identity);
        }
    }

    private void updateSIMLastTPMRValue(int messageRef) {
        Message msg = obtainMessage(EVENT_TPMR_SIM_UPDATE_RESPONSE);
        IccRecords iccRecords = getIccRecords();
        if (iccRecords != null) {
            iccRecords.setSmssTpmrValue(messageRef, msg);
        }
    }

    private int getTpmrValueFromSIM() {
        IccRecords iccRecords = getIccRecords();
        if (iccRecords != null) {
            return iccRecords.getSmssTpmrValue();
        }
        return -1;
    }

    private IccRecords getIccRecords() {
        if (mPhone != null && mPhone.getIccRecords() != null) {
            return mPhone.getIccRecords();
        }
        return null;
    }

    /**
     * Returns the next TP message Reference value incremented by 1 for every sms sent .
     * once a max of 255 is reached TP message Reference is reset to 0.
     *
     * @return messageRef TP message Reference value
     */
    public int nextMessageRef() {
        if (!isMessageRefIncrementViaTelephony()) {
            return 0;
        }

        mMessageRef = (mMessageRef + 1) % 256;
        updateTPMessageReference();
        return mMessageRef;
    }

    /**
     * As modem is using the last used TP-MR value present in SIM card, increment of
     * messageRef(TP-MR) value should be prevented (config_stk_sms_send_support set to false)
     * at telephony framework. In future, config_stk_sms_send_support flag will be enabled
     * so that messageRef(TP-MR) increment will be done at framework side only.
     *
     * TODO:- Need to have new flag to control writing TP-MR value to SIM or shared prefrence.
     */
    public boolean isMessageRefIncrementViaTelephony() {
        boolean isMessageRefIncrementEnabled = false;
        try {
            isMessageRefIncrementEnabled = mContext.getResources().getBoolean(
                    com.android.internal.R.bool.config_stk_sms_send_support);
        } catch (NotFoundException e) {
            Rlog.e(TAG, "isMessageRefIncrementViaTelephony NotFoundException Exception");
        }

        Rlog.i(TAG, "bool.config_stk_sms_send_support= " + isMessageRefIncrementEnabled);
        return isMessageRefIncrementEnabled;
    }

    /**
     * Use the carrier messaging service to send a data or text SMS.
     */
    protected abstract class SmsSender extends Handler {
        private static final int EVENT_TIMEOUT = 1;
        // Initialized in sendSmsByCarrierApp
        protected volatile CarrierMessagingCallback mSenderCallback;
        protected final CarrierMessagingServiceWrapper mCarrierMessagingServiceWrapper =
                new CarrierMessagingServiceWrapper();
        private String mCarrierPackageName;

        protected SmsSender() {
            super(Looper.getMainLooper());
        }

        /**
         * Bind to carrierPackageName to send message through it
         */
        public synchronized void sendSmsByCarrierApp(String carrierPackageName,
                CarrierMessagingCallback senderCallback) {
            mCarrierPackageName = carrierPackageName;
            mSenderCallback = senderCallback;
            if (!mCarrierMessagingServiceWrapper.bindToCarrierMessagingService(
                    mContext, carrierPackageName, runnable -> runnable.run(),
                    ()->onServiceReady())) {
                Rlog.e(TAG, "bindService() for carrier messaging service failed");
                onSendComplete(CarrierMessagingService.SEND_STATUS_RETRY_ON_CARRIER_NETWORK);
            } else {
                Rlog.d(TAG, "bindService() for carrier messaging service succeeded");
                sendMessageDelayed(obtainMessage(EVENT_TIMEOUT), mCarrierMessagingTimeout);
            }
        }

        /**
         * Callback received from mCarrierPackageName on binding to it is done.
         * NOTE: the implementations of this method must be synchronized to make sure it does not
         * get called before {@link #sendSmsByCarrierApp} completes and {@link #EVENT_TIMEOUT} is
         * posted
         */
        public abstract void onServiceReady();

        /**
         * Method to call message send callback with passed in result and default parameters
         */
        public abstract void onSendComplete(@CarrierMessagingService.SendResult int result);

        /**
         * Used to get the SmsTracker for single part messages
         */
        public abstract SmsTracker getSmsTracker();

        /**
         * Used to get the SmsTrackers for multi part messages
         */
        public abstract SmsTracker[] getSmsTrackers();

        @Override
        public void handleMessage(Message msg) {
            if (msg.what == EVENT_TIMEOUT) {
                logWithLocalLog("handleMessage: No response from " + mCarrierPackageName
                        + " for " + mCarrierMessagingTimeout + " ms");
                AnomalyReporter.reportAnomaly(sAnomalyNoResponseFromCarrierMessagingService,
                        "No response from " + mCarrierPackageName, mPhone.getCarrierId());
                onSendComplete(CarrierMessagingService.SEND_STATUS_RETRY_ON_CARRIER_NETWORK);
            } else {
                logWithLocalLog("handleMessage: received unexpected message " + msg.what);
            }
        }

        public void removeTimeout() {
            removeMessages(EVENT_TIMEOUT);
        }
    }

    private void logWithLocalLog(String logStr) {
        mLocalLog.log(logStr);
        Rlog.d(TAG, logStr);
    }

    /**
     * Use the carrier messaging service to send a text SMS.
     */
    protected final class TextSmsSender extends SmsSender {
        private final SmsTracker mTracker;
        public TextSmsSender(SmsTracker tracker) {
            super();
            mTracker = tracker;
        }

        @Override
        public synchronized void onServiceReady() {
            Rlog.d(TAG, "TextSmsSender::onServiceReady");
            HashMap<String, Object> map = mTracker.getData();
            String text = (String) map.get(MAP_KEY_TEXT);

            if (text != null) {
                try {
                    mCarrierMessagingServiceWrapper.sendTextSms(
                            text,
                            getSubId(),
                            mTracker.mDestAddress,
                            (mTracker.mDeliveryIntent != null)
                                    ? CarrierMessagingService.SEND_FLAG_REQUEST_DELIVERY_STATUS
                                    : 0,
                            runnable -> runnable.run(),
                            mSenderCallback);
                } catch (RuntimeException e) {
                    Rlog.e(TAG, "TextSmsSender::onServiceReady: Exception sending the SMS: "
                            + e.getMessage());
                    onSendComplete(CarrierMessagingService.SEND_STATUS_RETRY_ON_CARRIER_NETWORK);
                }
            } else {
                Rlog.d(TAG, "TextSmsSender::onServiceReady: text == null");
                onSendComplete(CarrierMessagingService.SEND_STATUS_RETRY_ON_CARRIER_NETWORK);
            }
        }

        @Override
        public void onSendComplete(int result) {
            mSenderCallback.onSendSmsComplete(result, 0 /* messageRef */);
        }

        @Override
        public SmsTracker getSmsTracker() {
            return mTracker;
        }

        @Override
        public SmsTracker[] getSmsTrackers() {
            Rlog.e(TAG, "getSmsTrackers: Unexpected call for TextSmsSender");
            return null;
        }
    }

    /**
     * Use the carrier messaging service to send a data SMS.
     */
    protected final class DataSmsSender extends SmsSender {
        private final SmsTracker mTracker;
        public DataSmsSender(SmsTracker tracker) {
            super();
            mTracker = tracker;
        }

        @Override
        public synchronized void onServiceReady() {
            Rlog.d(TAG, "DataSmsSender::onServiceReady");
            HashMap<String, Object> map = mTracker.getData();
            byte[] data = (byte[]) map.get(MAP_KEY_DATA);
            int destPort = (int) map.get(MAP_KEY_DEST_PORT);

            if (data != null) {
                try {
                    mCarrierMessagingServiceWrapper.sendDataSms(
                            data,
                            getSubId(),
                            mTracker.mDestAddress,
                            destPort,
                            (mTracker.mDeliveryIntent != null)
                                    ? CarrierMessagingService.SEND_FLAG_REQUEST_DELIVERY_STATUS
                                    : 0,
                            runnable -> runnable.run(),
                            mSenderCallback);
                } catch (RuntimeException e) {
                    Rlog.e(TAG, "DataSmsSender::onServiceReady: Exception sending the SMS: "
                            + e
                            + " " + SmsController.formatCrossStackMessageId(mTracker.mMessageId));
                    onSendComplete(CarrierMessagingService.SEND_STATUS_RETRY_ON_CARRIER_NETWORK);
                }
            } else {
                Rlog.d(TAG, "DataSmsSender::onServiceReady: data == null");
                onSendComplete(CarrierMessagingService.SEND_STATUS_RETRY_ON_CARRIER_NETWORK);
            }
        }

        @Override
        public void onSendComplete(int result) {
            mSenderCallback.onSendSmsComplete(result, 0 /* messageRef */);
        }

        @Override
        public SmsTracker getSmsTracker() {
            return mTracker;
        }

        @Override
        public SmsTracker[] getSmsTrackers() {
            Rlog.e(TAG, "getSmsTrackers: Unexpected call for DataSmsSender");
            return null;
        }
    }

    /**
     * Callback for TextSmsSender and DataSmsSender from the carrier messaging service.
     * Once the result is ready, the carrier messaging service connection is disposed.
     */
    protected final class SmsSenderCallback implements CarrierMessagingCallback {
        private final SmsSender mSmsSender;
        private boolean mCallbackCalled = false;

        public SmsSenderCallback(SmsSender smsSender) {
            mSmsSender = smsSender;
        }

        /**
         * This method should be called only once.
         */
        @Override
        public void onSendSmsComplete(int result, int messageRef) {
            Rlog.d(TAG, "onSendSmsComplete: result=" + result + " messageRef=" + messageRef);
            if (cleanupOnSendSmsComplete("onSendSmsComplete")) {
                return;
            }

            final long identity = Binder.clearCallingIdentity();
            try {
                processSendSmsResponse(mSmsSender.getSmsTracker(), result, messageRef);
            } finally {
                Binder.restoreCallingIdentity(identity);
            }
        }

        /**
         * This method should be called only once.
         */
        @Override
        public void onSendMultipartSmsComplete(int result, int[] messageRefs) {
            Rlog.d(TAG, "onSendMultipartSmsComplete: result=" + result + " messageRefs="
                    + Arrays.toString(messageRefs));
            if (cleanupOnSendSmsComplete("onSendMultipartSmsComplete")) {
                return;
            }

            final long identity = Binder.clearCallingIdentity();
            try {
                processSendMultipartSmsResponse(mSmsSender.getSmsTrackers(), result, messageRefs);
            } finally {
                Binder.restoreCallingIdentity(identity);
            }
        }

        private boolean cleanupOnSendSmsComplete(String callingFunction) {
            if (mCallbackCalled) {
                logWithLocalLog(callingFunction + ": unexpected call");
                AnomalyReporter.reportAnomaly(sAnomalyUnexpectedCallback,
                        "Unexpected " + callingFunction, mPhone.getCarrierId());
                return true;
            }

            mCallbackCalled = true;
            mSmsSender.removeTimeout();
            mSmsSender.mCarrierMessagingServiceWrapper.disconnect();

            return false;
        }

        @Override
        public void onReceiveSmsComplete(int result) {
            Rlog.e(TAG, "Unexpected onReceiveSmsComplete call with result: " + result);
        }

        @Override
        public void onSendMmsComplete(int result, byte[] sendConfPdu) {
            Rlog.e(TAG, "Unexpected onSendMmsComplete call with result: " + result);
        }

        @Override
        public void onDownloadMmsComplete(int result) {
            Rlog.e(TAG, "Unexpected onDownloadMmsComplete call with result: " + result);
        }
    }

    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
    private void processSendSmsResponse(SmsTracker tracker, int result, int messageRef) {
        if (tracker == null) {
            Rlog.e(TAG, "processSendSmsResponse: null tracker");
            return;
        }

        SmsResponse smsResponse = new SmsResponse(messageRef, null /* ackPdu */, NO_ERROR_CODE,
                tracker.mMessageId);

        switch (result) {
            case CarrierMessagingService.SEND_STATUS_OK:
                Rlog.d(TAG, "processSendSmsResponse: Sending SMS by CarrierMessagingService "
                        + "succeeded. "
                        + SmsController.formatCrossStackMessageId(tracker.mMessageId));
                sendMessage(obtainMessage(EVENT_SEND_SMS_COMPLETE,
                                          new AsyncResult(tracker,
                                                          smsResponse,
                                                          null /* exception*/)));
                break;
            case CarrierMessagingService.SEND_STATUS_ERROR:
                Rlog.d(TAG, "processSendSmsResponse: Sending SMS by CarrierMessagingService"
                        + " failed. "
                        + SmsController.formatCrossStackMessageId(tracker.mMessageId));
                sendMessage(obtainMessage(EVENT_SEND_SMS_COMPLETE,
                        new AsyncResult(tracker, smsResponse,
                                new CommandException(CommandException.Error.GENERIC_FAILURE))));
                break;
            case CarrierMessagingService.SEND_STATUS_RETRY_ON_CARRIER_NETWORK:
                Rlog.d(TAG, "processSendSmsResponse: Sending SMS by CarrierMessagingService failed."
                        + " Retry on carrier network. "
                        + SmsController.formatCrossStackMessageId(tracker.mMessageId));
                sendSubmitPdu(tracker);
                break;
            default:
                Rlog.d(TAG, "processSendSmsResponse: Unknown result " + result + " Retry on carrier"
                        + " network. "
                        + SmsController.formatCrossStackMessageId(tracker.mMessageId));
                sendSubmitPdu(tracker);
        }
    }

    /**
     * Use the carrier messaging service to send a multipart text SMS.
     */
    private final class MultipartSmsSender extends SmsSender {
        private final List<String> mParts;
        public final SmsTracker[] mTrackers;

        MultipartSmsSender(ArrayList<String> parts, SmsTracker[] trackers) {
            super();
            mParts = parts;
            mTrackers = trackers;
        }

        @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
        void sendSmsByCarrierApp(String carrierPackageName, SmsSenderCallback senderCallback) {
            super.sendSmsByCarrierApp(carrierPackageName, senderCallback);
        }

        @Override
        public synchronized void onServiceReady() {
            Rlog.d(TAG, "MultipartSmsSender::onServiceReady");
            boolean statusReportRequested = false;
            for (SmsTracker tracker : mTrackers) {
                if (tracker.mDeliveryIntent != null) {
                    statusReportRequested = true;
                    break;
                }
            }

            try {
                mCarrierMessagingServiceWrapper.sendMultipartTextSms(
                        mParts,
                        getSubId(),
                        mTrackers[0].mDestAddress,
                        statusReportRequested
                                ? CarrierMessagingService.SEND_FLAG_REQUEST_DELIVERY_STATUS
                                : 0,
                        runnable -> runnable.run(),
                        mSenderCallback);
            } catch (RuntimeException e) {
                Rlog.e(TAG, "MultipartSmsSender::onServiceReady: Exception sending the SMS: " + e);
                onSendComplete(CarrierMessagingService.SEND_STATUS_RETRY_ON_CARRIER_NETWORK);
            }
        }

        @Override
        public void onSendComplete(int result) {
            mSenderCallback.onSendMultipartSmsComplete(result, null /* messageRefs */);
        }

        @Override
        public SmsTracker getSmsTracker() {
            Rlog.e(TAG, "getSmsTracker: Unexpected call for MultipartSmsSender");
            return null;
        }

        @Override
        public SmsTracker[] getSmsTrackers() {
            return mTrackers;
        }
    }

    private void processSendMultipartSmsResponse(
            SmsTracker[] trackers, int result, int[] messageRefs) {
        if (trackers == null) {
            Rlog.e(TAG, "processSendMultipartSmsResponse: null trackers");
            return;
        }

        switch (result) {
            case CarrierMessagingService.SEND_STATUS_OK:
                Rlog.d(TAG, "processSendMultipartSmsResponse: Sending SMS by "
                        + "CarrierMessagingService succeeded. "
                        + SmsController.formatCrossStackMessageId(trackers[0].mMessageId));
                // Sending a multi-part SMS by CarrierMessagingService successfully completed.
                // Send EVENT_SEND_SMS_COMPLETE for all the parts one by one.
                for (int i = 0; i < trackers.length; i++) {
                    int messageRef = 0;
                    if (messageRefs != null && messageRefs.length > i) {
                        messageRef = messageRefs[i];
                    }
                    sendMessage(
                            obtainMessage(
                                    EVENT_SEND_SMS_COMPLETE,
                                    new AsyncResult(
                                            trackers[i],
                                            new SmsResponse(
                                                    messageRef, null /* ackPdu */, NO_ERROR_CODE),
                                            null /* exception */)));
                }
                break;
            case CarrierMessagingService.SEND_STATUS_ERROR:
                Rlog.d(TAG, "processSendMultipartSmsResponse: Sending SMS by "
                        + "CarrierMessagingService failed. "
                        + SmsController.formatCrossStackMessageId(trackers[0].mMessageId));
                // Sending a multi-part SMS by CarrierMessagingService failed.
                // Send EVENT_SEND_SMS_COMPLETE with GENERIC_FAILURE for all the parts one by one.
                for (int i = 0; i < trackers.length; i++) {
                    int messageRef = 0;
                    if (messageRefs != null && messageRefs.length > i) {
                        messageRef = messageRefs[i];
                    }
                    sendMessage(
                            obtainMessage(
                                    EVENT_SEND_SMS_COMPLETE,
                                    new AsyncResult(
                                            trackers[i],
                                            new SmsResponse(
                                                    messageRef, null /* ackPdu */, NO_ERROR_CODE),
                                            new CommandException(
                                                    CommandException.Error.GENERIC_FAILURE))));
                }
                break;
            case CarrierMessagingService.SEND_STATUS_RETRY_ON_CARRIER_NETWORK:
                Rlog.d(TAG, "processSendMultipartSmsResponse: Sending SMS by "
                        + "CarrierMessagingService failed. Retry on carrier network. "
                        + SmsController.formatCrossStackMessageId(trackers[0].mMessageId));
                // All the parts for a multi-part SMS are handled together for retry. It helps to
                // check user confirmation once also if needed.
                sendSubmitPdu(trackers);
                break;
            default:
                Rlog.d(TAG, "processSendMultipartSmsResponse: Unknown result " + result
                        + ". Retry on carrier network. "
                        + SmsController.formatCrossStackMessageId(trackers[0].mMessageId));
                sendSubmitPdu(trackers);
        }
    }

    /** Send a single SMS PDU. */
    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
    private void sendSubmitPdu(SmsTracker tracker) {
        sendSubmitPdu(new SmsTracker[] {tracker});
    }

    /** Send a multi-part SMS PDU. Usually just calls {@link sendRawPdu}. */
    private void sendSubmitPdu(SmsTracker[] trackers) {
        if (shouldBlockSmsForEcbm()) {
            Rlog.d(TAG, "Block SMS in Emergency Callback mode");
            handleSmsTrackersFailure(trackers, SmsManager.RESULT_SMS_BLOCKED_DURING_EMERGENCY,
                    NO_ERROR_CODE);
        } else {
            sendRawPdu(trackers);
        }
    }

    /**
     * @return true if MO SMS should be blocked for Emergency Callback Mode.
     */
    protected abstract boolean shouldBlockSmsForEcbm();

    /**
     * Called when SMS send completes. Broadcasts a sentIntent on success.
     * On failure, either sets up retries or broadcasts a sentIntent with
     * the failure in the result code.
     *
     * @param ar AsyncResult passed into the message handler.  ar.result should
     *           an SmsResponse instance if send was successful.  ar.userObj
     *           should be an SmsTracker instance.
     */
    protected void handleSendComplete(AsyncResult ar) {
        SmsTracker tracker = (SmsTracker) ar.userObj;
        PendingIntent sentIntent = tracker.mSentIntent;
        SmsResponse smsResponse = (SmsResponse) ar.result;

        if (smsResponse != null) {
            tracker.mMessageRef = smsResponse.mMessageRef;
        } else {
            Rlog.d(TAG, "SmsResponse was null");
        }

        if (ar.exception == null) {
            if (DBG) {
                Rlog.d(TAG, "SMS send complete. Broadcasting intent: " + sentIntent
                        + " " + SmsController.formatCrossStackMessageId(tracker.mMessageId));
            }

            if (tracker.mDeliveryIntent != null) {
                // Expecting a status report. Put this tracker to the map.
                mSmsDispatchersController.putDeliveryPendingTracker(tracker);
            }
            tracker.onSent(mContext);
            mPhone.notifySmsSent(tracker.mDestAddress);

            mPhone.getSmsStats().onOutgoingSms(
                    tracker.mImsRetry > 0 /* isOverIms */,
                    SmsConstants.FORMAT_3GPP2.equals(getFormat()),
                    false /* fallbackToCs */,
                    SmsManager.RESULT_ERROR_NONE,
                    tracker.mMessageId,
                    tracker.isFromDefaultSmsApplication(mContext),
                    tracker.getInterval());
        } else {
            if (DBG) {
                Rlog.d(TAG, "SMS send failed "
                        + SmsController.formatCrossStackMessageId(tracker.mMessageId));
            }

            int ss = mPhone.getServiceState().getState();
            int error = rilErrorToSmsManagerResult(
                    ((CommandException) (ar.exception)).getCommandError(), tracker);

            if (tracker.mImsRetry > 0 && ss != ServiceState.STATE_IN_SERVICE) {
                // This is retry after failure over IMS but voice is not available.
                // Set retry to max allowed, so no retry is sent and cause
                // SmsManager.RESULT_ERROR_GENERIC_FAILURE to be returned to app.
                tracker.mRetryCount = getMaxSmsRetryCount();

                Rlog.d(TAG, "handleSendComplete: Skipping retry: "
                        + " isIms()=" + isIms()
                        + " mRetryCount=" + tracker.mRetryCount
                        + " mImsRetry=" + tracker.mImsRetry
                        + " mMessageRef=" + tracker.mMessageRef
                        + " SS= " + mPhone.getServiceState().getState()
                        + " " + SmsController.formatCrossStackMessageId(tracker.mMessageId));
            }

            // if sms over IMS is not supported on data and voice is not available...
            if (!isIms() && ss != ServiceState.STATE_IN_SERVICE) {
                tracker.onFailed(mContext, getNotInServiceError(ss), NO_ERROR_CODE);
                mPhone.getSmsStats().onOutgoingSms(
                        tracker.mImsRetry > 0 /* isOverIms */,
                        SmsConstants.FORMAT_3GPP2.equals(getFormat()),
                        false /* fallbackToCs */,
                        getNotInServiceError(ss),
                        tracker.mMessageId,
                        tracker.isFromDefaultSmsApplication(mContext),
                        tracker.getInterval());
            } else if (error == SmsManager.RESULT_RIL_SMS_SEND_FAIL_RETRY
                    && tracker.mRetryCount < getMaxSmsRetryCount()) {
                // Retry after a delay if needed.
                // TODO: According to TS 23.040, 9.2.3.6, we should resend
                //       with the same TP-MR as the failed message, and
                //       TP-RD set to 1.  However, we don't have a means of
                //       knowing the MR for the failed message (EF_SMSstatus
                //       may or may not have the MR corresponding to this
                //       message, depending on the failure).  Also, in some
                //       implementations this retry is handled by the baseband.
                tracker.mRetryCount++;
                int errorCode = (smsResponse != null) ? smsResponse.mErrorCode : NO_ERROR_CODE;
                Message retryMsg = obtainMessage(EVENT_SEND_RETRY, tracker);
                sendMessageDelayed(retryMsg, getSmsRetryDelayValue());
                mPhone.getSmsStats().onOutgoingSms(
                        tracker.mImsRetry > 0 /* isOverIms */,
                        SmsConstants.FORMAT_3GPP2.equals(getFormat()),
                        false /* fallbackToCs */,
                        SmsManager.RESULT_RIL_SMS_SEND_FAIL_RETRY,
                        errorCode,
                        tracker.mMessageId,
                        tracker.isFromDefaultSmsApplication(mContext),
                        tracker.getInterval());
            } else {
                int errorCode = (smsResponse != null) ? smsResponse.mErrorCode : NO_ERROR_CODE;
                tracker.onFailed(mContext, error, errorCode);
                mPhone.getSmsStats().onOutgoingSms(
                        tracker.mImsRetry > 0 /* isOverIms */,
                        SmsConstants.FORMAT_3GPP2.equals(getFormat()),
                        false /* fallbackToCs */,
                        error,
                        errorCode,
                        tracker.mMessageId,
                        tracker.isFromDefaultSmsApplication(mContext),
                        tracker.getInterval());
            }
        }
    }

    @SmsManager.Result
    private int rilErrorToSmsManagerResult(CommandException.Error rilError,
            SmsTracker tracker) {
        mSmsOutgoingErrorCodes.log("rilError: " + rilError
                + ", MessageId: " + SmsController.formatCrossStackMessageId(tracker.mMessageId));

        ApplicationInfo appInfo = tracker.getAppInfo();
        if (appInfo == null
                || !CompatChanges.isChangeEnabled(ADD_MORE_SMS_SENDING_ERROR_CODES, appInfo.uid)) {
            if (rilError == CommandException.Error.INVALID_RESPONSE
                    || rilError == CommandException.Error.SIM_PIN2
                    || rilError == CommandException.Error.SIM_PUK2
                    || rilError == CommandException.Error.SUBSCRIPTION_NOT_AVAILABLE
                    || rilError == CommandException.Error.SIM_ERR
                    || rilError == CommandException.Error.INVALID_SIM_STATE
                    || rilError == CommandException.Error.NO_SMS_TO_ACK
                    || rilError == CommandException.Error.SIM_BUSY
                    || rilError == CommandException.Error.SIM_FULL
                    || rilError == CommandException.Error.NO_SUBSCRIPTION
                    || rilError == CommandException.Error.NO_NETWORK_FOUND
                    || rilError == CommandException.Error.DEVICE_IN_USE
                    || rilError == CommandException.Error.ABORTED) {
                return SmsManager.RESULT_ERROR_GENERIC_FAILURE;
            }
        }

        switch (rilError) {
            case RADIO_NOT_AVAILABLE:
                return SmsManager.RESULT_RIL_RADIO_NOT_AVAILABLE;
            case SMS_FAIL_RETRY:
                return SmsManager.RESULT_RIL_SMS_SEND_FAIL_RETRY;
            case NETWORK_REJECT:
                return SmsManager.RESULT_RIL_NETWORK_REJECT;
            case INVALID_STATE:
                return SmsManager.RESULT_RIL_INVALID_STATE;
            case INVALID_ARGUMENTS:
                return SmsManager.RESULT_RIL_INVALID_ARGUMENTS;
            case NO_MEMORY:
                return SmsManager.RESULT_RIL_NO_MEMORY;
            case REQUEST_RATE_LIMITED:
                return SmsManager.RESULT_RIL_REQUEST_RATE_LIMITED;
            case INVALID_SMS_FORMAT:
                return SmsManager.RESULT_RIL_INVALID_SMS_FORMAT;
            case SYSTEM_ERR:
                return SmsManager.RESULT_RIL_SYSTEM_ERR;
            case ENCODING_ERR:
                return SmsManager.RESULT_RIL_ENCODING_ERR;
            case MODEM_ERR:
                return SmsManager.RESULT_RIL_MODEM_ERR;
            case NETWORK_ERR:
                return SmsManager.RESULT_RIL_NETWORK_ERR;
            case INTERNAL_ERR:
                return SmsManager.RESULT_RIL_INTERNAL_ERR;
            case REQUEST_NOT_SUPPORTED:
                return SmsManager.RESULT_RIL_REQUEST_NOT_SUPPORTED;
            case INVALID_MODEM_STATE:
                return SmsManager.RESULT_RIL_INVALID_MODEM_STATE;
            case NETWORK_NOT_READY:
                return SmsManager.RESULT_RIL_NETWORK_NOT_READY;
            case OPERATION_NOT_ALLOWED:
                return SmsManager.RESULT_RIL_OPERATION_NOT_ALLOWED;
            case NO_RESOURCES:
                return SmsManager.RESULT_RIL_NO_RESOURCES;
            case REQUEST_CANCELLED:
                return SmsManager.RESULT_RIL_CANCELLED;
            case SIM_ABSENT:
                return SmsManager.RESULT_RIL_SIM_ABSENT;
            case FDN_CHECK_FAILURE:
                return SmsManager.RESULT_ERROR_FDN_CHECK_FAILURE;
            case SIMULTANEOUS_SMS_AND_CALL_NOT_ALLOWED:
                return SmsManager.RESULT_RIL_SIMULTANEOUS_SMS_AND_CALL_NOT_ALLOWED;
            case ACCESS_BARRED:
                return SmsManager.RESULT_RIL_ACCESS_BARRED;
            case BLOCKED_DUE_TO_CALL:
                return SmsManager.RESULT_RIL_BLOCKED_DUE_TO_CALL;
            case INVALID_SMSC_ADDRESS:
                return SmsManager.RESULT_INVALID_SMSC_ADDRESS;
            case INVALID_RESPONSE:
                return SmsManager.RESULT_RIL_INVALID_RESPONSE;
            case SIM_PIN2:
                return SmsManager.RESULT_RIL_SIM_PIN2;
            case SIM_PUK2:
                return SmsManager.RESULT_RIL_SIM_PUK2;
            case SUBSCRIPTION_NOT_AVAILABLE:
                return SmsManager.RESULT_RIL_SUBSCRIPTION_NOT_AVAILABLE;
            case SIM_ERR:
                return SmsManager.RESULT_RIL_SIM_ERROR;
            case INVALID_SIM_STATE:
                return SmsManager.RESULT_RIL_INVALID_SIM_STATE;
            case NO_SMS_TO_ACK:
                return SmsManager.RESULT_RIL_NO_SMS_TO_ACK;
            case SIM_BUSY:
                return SmsManager.RESULT_RIL_SIM_BUSY;
            case SIM_FULL:
                return SmsManager.RESULT_RIL_SIM_FULL;
            case NO_SUBSCRIPTION:
                return SmsManager.RESULT_RIL_NO_SUBSCRIPTION;
            case NO_NETWORK_FOUND:
                return SmsManager.RESULT_RIL_NO_NETWORK_FOUND;
            case DEVICE_IN_USE:
                return SmsManager.RESULT_RIL_DEVICE_IN_USE;
            case ABORTED:
                return SmsManager.RESULT_RIL_ABORTED;
            default:
                Rlog.d(TAG, "rilErrorToSmsManagerResult: " + rilError + " "
                        + SmsController.formatCrossStackMessageId(tracker.mMessageId));
                return SmsManager.RESULT_RIL_GENERIC_ERROR;
        }
    }

    /**
     * @param ss service state
     * @return The result error based on input service state for not in service error
     */
    @SmsManager.Result
    protected static int getNotInServiceError(int ss) {
        if (ss == ServiceState.STATE_POWER_OFF) {
            return SmsManager.RESULT_ERROR_RADIO_OFF;
        }
        return SmsManager.RESULT_ERROR_NO_SERVICE;
    }

    /**
     * Send a data based SMS to a specific application port.
     *
     * @param callingPackage the package name of the calling app
     * @param destAddr the address to send the message to
     * @param scAddr is the service center address or null to use
     *  the current default SMSC
     * @param destPort the port to deliver the message to
     * @param data the body of the message to send
     * @param sentIntent if not NULL this <code>PendingIntent</code> is
     *  broadcast when the message is successfully sent, or failed.
     *  The result code will be <code>Activity.RESULT_OK<code> for success,
     *  or one of these errors:<br>
     *  <code>SmsManager.RESULT_ERROR_GENERIC_FAILURE</code><br>
     *  <code>SmsManager.RESULT_ERROR_RADIO_OFF</code><br>
     *  <code>SmsManager.RESULT_ERROR_NULL_PDU</code><br>
     *  <code>SmsManager.RESULT_ERROR_NO_SERVICE</code><br>
     *  <code>SmsManager.RESULT_ERROR_LIMIT_EXCEEDED</code><br>
     *  <code>SmsManager.RESULT_ERROR_FDN_CHECK_FAILURE</code><br>
     *  <code>SmsManager.RESULT_ERROR_SHORT_CODE_NOT_ALLOWED</code><br>
     *  <code>SmsManager.RESULT_ERROR_SHORT_CODE_NEVER_ALLOWED</code><br>
     *  <code>SmsManager.RESULT_RADIO_NOT_AVAILABLE</code><br>
     *  <code>SmsManager.RESULT_NETWORK_REJECT</code><br>
     *  <code>SmsManager.RESULT_INVALID_ARGUMENTS</code><br>
     *  <code>SmsManager.RESULT_INVALID_STATE</code><br>
     *  <code>SmsManager.RESULT_NO_MEMORY</code><br>
     *  <code>SmsManager.RESULT_INVALID_SMS_FORMAT</code><br>
     *  <code>SmsManager.RESULT_SYSTEM_ERROR</code><br>
     *  <code>SmsManager.RESULT_MODEM_ERROR</code><br>
     *  <code>SmsManager.RESULT_NETWORK_ERROR</code><br>
     *  <code>SmsManager.RESULT_ENCODING_ERROR</code><br>
     *  <code>SmsManager.RESULT_INVALID_SMSC_ADDRESS</code><br>
     *  <code>SmsManager.RESULT_OPERATION_NOT_ALLOWED</code><br>
     *  <code>SmsManager.RESULT_INTERNAL_ERROR</code><br>
     *  <code>SmsManager.RESULT_NO_RESOURCES</code><br>
     *  <code>SmsManager.RESULT_CANCELLED</code><br>
     *  <code>SmsManager.RESULT_REQUEST_NOT_SUPPORTED</code><br>
     *  <code>SmsManager.RESULT_NO_BLUETOOTH_SERVICE</code><br>
     *  <code>SmsManager.RESULT_INVALID_BLUETOOTH_ADDRESS</code><br>
     *  <code>SmsManager.RESULT_BLUETOOTH_DISCONNECTED</code><br>
     *  <code>SmsManager.RESULT_UNEXPECTED_EVENT_STOP_SENDING</code><br>
     *  <code>SmsManager.RESULT_SMS_BLOCKED_DURING_EMERGENCY</code><br>
     *  <code>SmsManager.RESULT_SMS_SEND_RETRY_FAILED</code><br>
     *  <code>SmsManager.RESULT_REMOTE_EXCEPTION</code><br>
     *  <code>SmsManager.RESULT_NO_DEFAULT_SMS_APP</code><br>
     *  <code>SmsManager.RESULT_RIL_RADIO_NOT_AVAILABLE</code><br>
     *  <code>SmsManager.RESULT_RIL_SMS_SEND_FAIL_RETRY</code><br>
     *  <code>SmsManager.RESULT_RIL_NETWORK_REJECT</code><br>
     *  <code>SmsManager.RESULT_RIL_INVALID_STATE</code><br>
     *  <code>SmsManager.RESULT_RIL_INVALID_ARGUMENTS</code><br>
     *  <code>SmsManager.RESULT_RIL_NO_MEMORY</code><br>
     *  <code>SmsManager.RESULT_RIL_REQUEST_RATE_LIMITED</code><br>
     *  <code>SmsManager.RESULT_RIL_INVALID_SMS_FORMAT</code><br>
     *  <code>SmsManager.RESULT_RIL_SYSTEM_ERR</code><br>
     *  <code>SmsManager.RESULT_RIL_ENCODING_ERR</code><br>
     *  <code>SmsManager.RESULT_RIL_INVALID_SMSC_ADDRESS</code><br>
     *  <code>SmsManager.RESULT_RIL_MODEM_ERR</code><br>
     *  <code>SmsManager.RESULT_RIL_NETWORK_ERR</code><br>
     *  <code>SmsManager.RESULT_RIL_INTERNAL_ERR</code><br>
     *  <code>SmsManager.RESULT_RIL_REQUEST_NOT_SUPPORTED</code><br>
     *  <code>SmsManager.RESULT_RIL_INVALID_MODEM_STATE</code><br>
     *  <code>SmsManager.RESULT_RIL_NETWORK_NOT_READY</code><br>
     *  <code>SmsManager.RESULT_RIL_OPERATION_NOT_ALLOWED</code><br>
     *  <code>SmsManager.RESULT_RIL_NO_RESOURCES</code><br>
     *  <code>SmsManager.RESULT_RIL_CANCELLED</code><br>
     *  <code>SmsManager.RESULT_RIL_SIM_ABSENT</code><br>
     *  <code>SmsManager.RESULT_RIL_SIMULTANEOUS_SMS_AND_CALL_NOT_ALLOWED</code><br>
     *  <code>SmsManager.RESULT_RIL_ACCESS_BARRED</code><br>
     *  <code>SmsManager.RESULT_RIL_BLOCKED_DUE_TO_CALL</code><br>
     *  For <code>SmsManager.RESULT_ERROR_GENERIC_FAILURE</code> or any of the RESULT_RIL errors,
     *  the sentIntent may include the extra "errorCode" containing a radio technology specific
     *  value, generally only useful for troubleshooting.<br>
     *  The per-application based SMS control checks sentIntent. If sentIntent
     *  is NULL the caller will be checked against all unknown applications,
     *  which cause smaller number of SMS to be sent in checking period.
     * @param deliveryIntent if not NULL this <code>PendingIntent</code> is
     *  broadcast when the message is delivered to the recipient.  The
     *  raw pdu of the status report is in the extended data ("pdu").
     */
    @UnsupportedAppUsage
    protected void sendData(String callingPackage, String destAddr, String scAddr, int destPort,
            byte[] data, PendingIntent sentIntent, PendingIntent deliveryIntent, boolean isForVvm) {
        int messageRef = nextMessageRef();
        SmsMessageBase.SubmitPduBase pdu = getSubmitPdu(
                scAddr, destAddr, destPort, data, (deliveryIntent != null), messageRef);
        if (pdu != null) {
            HashMap map = getSmsTrackerMap(destAddr, scAddr, destPort, data, pdu);
            SmsTracker tracker = getSmsTracker(callingPackage, map, sentIntent, deliveryIntent,
                    getFormat(), null /*messageUri*/, false /*expectMore*/,
                    null /*fullMessageText*/, false /*isText*/,
                    true /*persistMessage*/, isForVvm, 0L /* messageId */, messageRef);

            if (!sendSmsByCarrierApp(true /* isDataSms */, tracker)) {
                sendSubmitPdu(tracker);
            }
        } else {
            Rlog.e(TAG, "SMSDispatcher.sendData(): getSubmitPdu() returned null");
            triggerSentIntentForFailure(sentIntent);
        }
    }

    /**
     * Send a text based SMS.
     *
     * @param destAddr the address to send the message to
     * @param scAddr is the service center address or null to use
     *  the current default SMSC
     * @param text the body of the message to send
     * @param sentIntent if not NULL this <code>PendingIntent</code> is
     *  broadcast when the message is successfully sent, or failed.
     *  The result code will be <code>Activity.RESULT_OK<code> for success,
     *  or one of these errors:<br>
     *  <code>SmsManager.RESULT_ERROR_GENERIC_FAILURE</code><br>
     *  <code>SmsManager.RESULT_ERROR_RADIO_OFF</code><br>
     *  <code>SmsManager.RESULT_ERROR_NULL_PDU</code><br>
     *  <code>SmsManager.RESULT_ERROR_NO_SERVICE</code><br>
     *  <code>SmsManager.RESULT_ERROR_LIMIT_EXCEEDED</code><br>
     *  <code>SmsManager.RESULT_ERROR_FDN_CHECK_FAILURE</code><br>
     *  <code>SmsManager.RESULT_ERROR_SHORT_CODE_NOT_ALLOWED</code><br>
     *  <code>SmsManager.RESULT_ERROR_SHORT_CODE_NEVER_ALLOWED</code><br>
     *  <code>SmsManager.RESULT_RADIO_NOT_AVAILABLE</code><br>
     *  <code>SmsManager.RESULT_NETWORK_REJECT</code><br>
     *  <code>SmsManager.RESULT_INVALID_ARGUMENTS</code><br>
     *  <code>SmsManager.RESULT_INVALID_STATE</code><br>
     *  <code>SmsManager.RESULT_NO_MEMORY</code><br>
     *  <code>SmsManager.RESULT_INVALID_SMS_FORMAT</code><br>
     *  <code>SmsManager.RESULT_SYSTEM_ERROR</code><br>
     *  <code>SmsManager.RESULT_MODEM_ERROR</code><br>
     *  <code>SmsManager.RESULT_NETWORK_ERROR</code><br>
     *  <code>SmsManager.RESULT_ENCODING_ERROR</code><br>
     *  <code>SmsManager.RESULT_INVALID_SMSC_ADDRESS</code><br>
     *  <code>SmsManager.RESULT_OPERATION_NOT_ALLOWED</code><br>
     *  <code>SmsManager.RESULT_INTERNAL_ERROR</code><br>
     *  <code>SmsManager.RESULT_NO_RESOURCES</code><br>
     *  <code>SmsManager.RESULT_CANCELLED</code><br>
     *  <code>SmsManager.RESULT_REQUEST_NOT_SUPPORTED</code><br>
     *  <code>SmsManager.RESULT_NO_BLUETOOTH_SERVICE</code><br>
     *  <code>SmsManager.RESULT_INVALID_BLUETOOTH_ADDRESS</code><br>
     *  <code>SmsManager.RESULT_BLUETOOTH_DISCONNECTED</code><br>
     *  <code>SmsManager.RESULT_UNEXPECTED_EVENT_STOP_SENDING</code><br>
     *  <code>SmsManager.RESULT_SMS_BLOCKED_DURING_EMERGENCY</code><br>
     *  <code>SmsManager.RESULT_SMS_SEND_RETRY_FAILED</code><br>
     *  <code>SmsManager.RESULT_REMOTE_EXCEPTION</code><br>
     *  <code>SmsManager.RESULT_NO_DEFAULT_SMS_APP</code><br>
     *  <code>SmsManager.RESULT_RIL_RADIO_NOT_AVAILABLE</code><br>
     *  <code>SmsManager.RESULT_RIL_SMS_SEND_FAIL_RETRY</code><br>
     *  <code>SmsManager.RESULT_RIL_NETWORK_REJECT</code><br>
     *  <code>SmsManager.RESULT_RIL_INVALID_STATE</code><br>
     *  <code>SmsManager.RESULT_RIL_INVALID_ARGUMENTS</code><br>
     *  <code>SmsManager.RESULT_RIL_NO_MEMORY</code><br>
     *  <code>SmsManager.RESULT_RIL_REQUEST_RATE_LIMITED</code><br>
     *  <code>SmsManager.RESULT_RIL_INVALID_SMS_FORMAT</code><br>
     *  <code>SmsManager.RESULT_RIL_SYSTEM_ERR</code><br>
     *  <code>SmsManager.RESULT_RIL_ENCODING_ERR</code><br>
     *  <code>SmsManager.RESULT_RIL_INVALID_SMSC_ADDRESS</code><br>
     *  <code>SmsManager.RESULT_RIL_MODEM_ERR</code><br>
     *  <code>SmsManager.RESULT_RIL_NETWORK_ERR</code><br>
     *  <code>SmsManager.RESULT_RIL_INTERNAL_ERR</code><br>
     *  <code>SmsManager.RESULT_RIL_REQUEST_NOT_SUPPORTED</code><br>
     *  <code>SmsManager.RESULT_RIL_INVALID_MODEM_STATE</code><br>
     *  <code>SmsManager.RESULT_RIL_NETWORK_NOT_READY</code><br>
     *  <code>SmsManager.RESULT_RIL_OPERATION_NOT_ALLOWED</code><br>
     *  <code>SmsManager.RESULT_RIL_NO_RESOURCES</code><br>
     *  <code>SmsManager.RESULT_RIL_CANCELLED</code><br>
     *  <code>SmsManager.RESULT_RIL_SIM_ABSENT</code><br>
     *  <code>SmsManager.RESULT_RIL_SIMULTANEOUS_SMS_AND_CALL_NOT_ALLOWED</code><br>
     *  <code>SmsManager.RESULT_RIL_ACCESS_BARRED</code><br>
     *  <code>SmsManager.RESULT_RIL_BLOCKED_DUE_TO_CALL</code><br>
     *  For <code>SmsManager.RESULT_ERROR_GENERIC_FAILURE</code> or any of the RESULT_RIL errors,
     *  the sentIntent may include the extra "errorCode" containing a radio technology specific
     *  value, generally only useful for troubleshooting.<br>
     *  The per-application based SMS control checks sentIntent. If sentIntent
     *  is NULL the caller will be checked against all unknown applications,
     *  which cause smaller number of SMS to be sent in checking period.
     * @param deliveryIntent if not NULL this <code>PendingIntent</code> is
     *  broadcast when the message is delivered to the recipient.  The
     * @param messageUri optional URI of the message if it is already stored in the system
     * @param callingPkg the calling package name
     * @param persistMessage whether to save the sent message into SMS DB for a
     *  non-default SMS app.
     *
     * @param priority Priority level of the message
     *  Refer specification See 3GPP2 C.S0015-B, v2.0, table 4.5.9-1
     *  ---------------------------------
     *  PRIORITY      | Level of Priority
     *  ---------------------------------
     *      '00'      |     Normal
     *      '01'      |     Interactive
     *      '10'      |     Urgent
     *      '11'      |     Emergency
     *  ----------------------------------
     *  Any Other values included Negative considered as Invalid Priority Indicator of the message.
     * @param expectMore is a boolean to indicate the sending messages through same link or not.
     * @param validityPeriod Validity Period of the message in mins.
     *  Refer specification 3GPP TS 23.040 V6.8.1 section 9.2.3.12.1.
     *  Validity Period(Minimum) -> 5 mins
     *  Validity Period(Maximum) -> 635040 mins(i.e.63 weeks).
     *  Any Other values included Negative considered as Invalid Validity Period of the message.
     * @param messageId An id that uniquely identifies the message requested to be sent.
     *                 Used for logging and diagnostics purposes. The id may be NULL.
     */
    public void sendText(String destAddr, String scAddr, String text,
            PendingIntent sentIntent, PendingIntent deliveryIntent, Uri messageUri,
            String callingPkg, boolean persistMessage, int priority,
            boolean expectMore, int validityPeriod, boolean isForVvm,
            long messageId) {
        sendText(destAddr, scAddr, text, sentIntent, deliveryIntent, messageUri, callingPkg,
                persistMessage, priority, expectMore, validityPeriod, isForVvm, messageId, false);
    }

    /**
     * Send a text based SMS.
     *
     * @param destAddr the address to send the message to
     * @param scAddr is the service center address or null to use
     *  the current default SMSC
     * @param text the body of the message to send
     * @param sentIntent if not NULL this <code>PendingIntent</code> is
     *  broadcast when the message is successfully sent, or failed.
     *  The result code will be <code>Activity.RESULT_OK<code> for success,
     *  or one of these errors:<br>
     *  <code>SmsManager.RESULT_ERROR_GENERIC_FAILURE</code><br>
     *  <code>SmsManager.RESULT_ERROR_RADIO_OFF</code><br>
     *  <code>SmsManager.RESULT_ERROR_NULL_PDU</code><br>
     *  <code>SmsManager.RESULT_ERROR_NO_SERVICE</code><br>
     *  <code>SmsManager.RESULT_ERROR_LIMIT_EXCEEDED</code><br>
     *  <code>SmsManager.RESULT_ERROR_FDN_CHECK_FAILURE</code><br>
     *  <code>SmsManager.RESULT_ERROR_SHORT_CODE_NOT_ALLOWED</code><br>
     *  <code>SmsManager.RESULT_ERROR_SHORT_CODE_NEVER_ALLOWED</code><br>
     *  <code>SmsManager.RESULT_RADIO_NOT_AVAILABLE</code><br>
     *  <code>SmsManager.RESULT_NETWORK_REJECT</code><br>
     *  <code>SmsManager.RESULT_INVALID_ARGUMENTS</code><br>
     *  <code>SmsManager.RESULT_INVALID_STATE</code><br>
     *  <code>SmsManager.RESULT_NO_MEMORY</code><br>
     *  <code>SmsManager.RESULT_INVALID_SMS_FORMAT</code><br>
     *  <code>SmsManager.RESULT_SYSTEM_ERROR</code><br>
     *  <code>SmsManager.RESULT_MODEM_ERROR</code><br>
     *  <code>SmsManager.RESULT_NETWORK_ERROR</code><br>
     *  <code>SmsManager.RESULT_ENCODING_ERROR</code><br>
     *  <code>SmsManager.RESULT_INVALID_SMSC_ADDRESS</code><br>
     *  <code>SmsManager.RESULT_OPERATION_NOT_ALLOWED</code><br>
     *  <code>SmsManager.RESULT_INTERNAL_ERROR</code><br>
     *  <code>SmsManager.RESULT_NO_RESOURCES</code><br>
     *  <code>SmsManager.RESULT_CANCELLED</code><br>
     *  <code>SmsManager.RESULT_REQUEST_NOT_SUPPORTED</code><br>
     *  <code>SmsManager.RESULT_NO_BLUETOOTH_SERVICE</code><br>
     *  <code>SmsManager.RESULT_INVALID_BLUETOOTH_ADDRESS</code><br>
     *  <code>SmsManager.RESULT_BLUETOOTH_DISCONNECTED</code><br>
     *  <code>SmsManager.RESULT_UNEXPECTED_EVENT_STOP_SENDING</code><br>
     *  <code>SmsManager.RESULT_SMS_BLOCKED_DURING_EMERGENCY</code><br>
     *  <code>SmsManager.RESULT_SMS_SEND_RETRY_FAILED</code><br>
     *  <code>SmsManager.RESULT_REMOTE_EXCEPTION</code><br>
     *  <code>SmsManager.RESULT_NO_DEFAULT_SMS_APP</code><br>
     *  <code>SmsManager.RESULT_RIL_RADIO_NOT_AVAILABLE</code><br>
     *  <code>SmsManager.RESULT_RIL_SMS_SEND_FAIL_RETRY</code><br>
     *  <code>SmsManager.RESULT_RIL_NETWORK_REJECT</code><br>
     *  <code>SmsManager.RESULT_RIL_INVALID_STATE</code><br>
     *  <code>SmsManager.RESULT_RIL_INVALID_ARGUMENTS</code><br>
     *  <code>SmsManager.RESULT_RIL_NO_MEMORY</code><br>
     *  <code>SmsManager.RESULT_RIL_REQUEST_RATE_LIMITED</code><br>
     *  <code>SmsManager.RESULT_RIL_INVALID_SMS_FORMAT</code><br>
     *  <code>SmsManager.RESULT_RIL_SYSTEM_ERR</code><br>
     *  <code>SmsManager.RESULT_RIL_ENCODING_ERR</code><br>
     *  <code>SmsManager.RESULT_RIL_INVALID_SMSC_ADDRESS</code><br>
     *  <code>SmsManager.RESULT_RIL_MODEM_ERR</code><br>
     *  <code>SmsManager.RESULT_RIL_NETWORK_ERR</code><br>
     *  <code>SmsManager.RESULT_RIL_INTERNAL_ERR</code><br>
     *  <code>SmsManager.RESULT_RIL_REQUEST_NOT_SUPPORTED</code><br>
     *  <code>SmsManager.RESULT_RIL_INVALID_MODEM_STATE</code><br>
     *  <code>SmsManager.RESULT_RIL_NETWORK_NOT_READY</code><br>
     *  <code>SmsManager.RESULT_RIL_OPERATION_NOT_ALLOWED</code><br>
     *  <code>SmsManager.RESULT_RIL_NO_RESOURCES</code><br>
     *  <code>SmsManager.RESULT_RIL_CANCELLED</code><br>
     *  <code>SmsManager.RESULT_RIL_SIM_ABSENT</code><br>
     *  <code>SmsManager.RESULT_RIL_SIMULTANEOUS_SMS_AND_CALL_NOT_ALLOWED</code><br>
     *  <code>SmsManager.RESULT_RIL_ACCESS_BARRED</code><br>
     *  <code>SmsManager.RESULT_RIL_BLOCKED_DUE_TO_CALL</code><br>
     *  For <code>SmsManager.RESULT_ERROR_GENERIC_FAILURE</code> or any of the RESULT_RIL errors,
     *  the sentIntent may include the extra "errorCode" containing a radio technology specific
     *  value, generally only useful for troubleshooting.<br>
     *  The per-application based SMS control checks sentIntent. If sentIntent
     *  is NULL the caller will be checked against all unknown applications,
     *  which cause smaller number of SMS to be sent in checking period.
     * @param deliveryIntent if not NULL this <code>PendingIntent</code> is
     *  broadcast when the message is delivered to the recipient.  The
     * @param messageUri optional URI of the message if it is already stored in the system
     * @param callingPkg the calling package name
     * @param persistMessage whether to save the sent message into SMS DB for a
     *  non-default SMS app.
     *
     * @param priority Priority level of the message
     *  Refer specification See 3GPP2 C.S0015-B, v2.0, table 4.5.9-1
     *  ---------------------------------
     *  PRIORITY      | Level of Priority
     *  ---------------------------------
     *      '00'      |     Normal
     *      '01'      |     Interactive
     *      '10'      |     Urgent
     *      '11'      |     Emergency
     *  ----------------------------------
     *  Any Other values included Negative considered as Invalid Priority Indicator of the message.
     * @param expectMore is a boolean to indicate the sending messages through same link or not.
     * @param validityPeriod Validity Period of the message in mins.
     *  Refer specification 3GPP TS 23.040 V6.8.1 section 9.2.3.12.1.
     *  Validity Period(Minimum) -> 5 mins
     *  Validity Period(Maximum) -> 635040 mins(i.e.63 weeks).
     *  Any Other values included Negative considered as Invalid Validity Period of the message.
     * @param messageId An id that uniquely identifies the message requested to be sent.
     *                 Used for logging and diagnostics purposes. The id may be NULL.
     * @param skipShortCodeCheck Skip check for short code type destination address.
     */
    public void sendText(String destAddr, String scAddr, String text,
                         PendingIntent sentIntent, PendingIntent deliveryIntent, Uri messageUri,
                         String callingPkg, boolean persistMessage, int priority,
                         boolean expectMore, int validityPeriod, boolean isForVvm,
                         long messageId, boolean skipShortCodeCheck) {
        Rlog.d(TAG, "sendText id: " + SmsController.formatCrossStackMessageId(messageId));
        int messageRef = nextMessageRef();
        SmsMessageBase.SubmitPduBase pdu = getSubmitPdu(
                scAddr, destAddr, text, (deliveryIntent != null), null, priority, validityPeriod,
                messageRef);
        if (pdu != null) {
            HashMap map = getSmsTrackerMap(destAddr, scAddr, text, pdu);
            SmsTracker tracker = getSmsTracker(callingPkg, map, sentIntent, deliveryIntent,
                    getFormat(), messageUri, expectMore, text, true /*isText*/,
                    persistMessage, priority, validityPeriod, isForVvm, messageId, messageRef,
                    skipShortCodeCheck);

            if (!sendSmsByCarrierApp(false /* isDataSms */, tracker)) {
                sendSubmitPdu(tracker);
            }
        } else {
            Rlog.e(TAG, "SmsDispatcher.sendText(): getSubmitPdu() returned null "
                    + SmsController.formatCrossStackMessageId(messageId));
            triggerSentIntentForFailure(sentIntent);
        }
    }

    private void triggerSentIntentForFailure(PendingIntent sentIntent) {
        if (sentIntent != null) {
            try {
                sentIntent.send(SmsManager.RESULT_ERROR_GENERIC_FAILURE);
            } catch (CanceledException ex) {
                Rlog.e(TAG, "Intent has been canceled!");
            }
        }
    }

    private void triggerSentIntentForFailure(List<PendingIntent> sentIntents) {
        if (sentIntents == null) {
            return;
        }

        for (PendingIntent sentIntent : sentIntents) {
            triggerSentIntentForFailure(sentIntent);
        }
    }

    private boolean sendSmsByCarrierApp(boolean isDataSms, SmsTracker tracker ) {
        String carrierPackage = getCarrierAppPackageName();
        if (carrierPackage != null) {
            Rlog.d(TAG, "Found carrier package " + carrierPackage);
            SmsSender smsSender;
            if (isDataSms) {
                smsSender = new DataSmsSender(tracker);
            } else {
                smsSender = new TextSmsSender(tracker);
            }
            smsSender.sendSmsByCarrierApp(carrierPackage, new SmsSenderCallback(smsSender));
            return true;
        }

        return false;
    }

    protected abstract SmsMessageBase.SubmitPduBase getSubmitPdu(String scAddr, String destAddr,
            String message, boolean statusReportRequested, SmsHeader smsHeader,
            int priority, int validityPeriod);

    protected abstract SmsMessageBase.SubmitPduBase getSubmitPdu(String scAddr, String destAddr,
            int destPort, byte[] message, boolean statusReportRequested);

    protected abstract SmsMessageBase.SubmitPduBase getSubmitPdu(String scAddr, String destAddr,
            String message, boolean statusReportRequested, SmsHeader smsHeader,
            int priority, int validityPeriod, int messageRef);


    protected abstract SmsMessageBase.SubmitPduBase getSubmitPdu(String scAddr, String destAddr,
            int destPort, byte[] message, boolean statusReportRequested, int messageRef);

    /**
     * Calculate the number of septets needed to encode the message. This function should only be
     * called for individual segments of multipart message.
     *
     * @param messageBody the message to encode
     * @param use7bitOnly ignore (but still count) illegal characters if true
     * @return TextEncodingDetails
     */
    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
    protected abstract TextEncodingDetails calculateLength(CharSequence messageBody,
            boolean use7bitOnly);

    /**
     * Send a multi-part text based SMS.
     *
     * @param destAddr the address to send the message to
     * @param scAddr is the service center address or null to use
     *  the current default SMSC
     * @param parts an <code>ArrayList</code> of strings that, in order,
     *  comprise the original message
     * @param sentIntents if not null, an <code>ArrayList</code> of
     *  <code>PendingIntent</code>s (one for each message part) that is
     *  broadcast when the corresponding message part has been sent.
     *  The result code will be <code>Activity.RESULT_OK<code> for success,
     *  or one of these errors:
     *  <code>SmsManager.RESULT_ERROR_GENERIC_FAILURE</code><br>
     *  <code>SmsManager.RESULT_ERROR_RADIO_OFF</code><br>
     *  <code>SmsManager.RESULT_ERROR_NULL_PDU</code><br>
     *  <code>SmsManager.RESULT_ERROR_NO_SERVICE</code><br>
     *  <code>SmsManager.RESULT_ERROR_LIMIT_EXCEEDED</code><br>
     *  <code>SmsManager.RESULT_ERROR_FDN_CHECK_FAILURE</code><br>
     *  <code>SmsManager.RESULT_ERROR_SHORT_CODE_NOT_ALLOWED</code><br>
     *  <code>SmsManager.RESULT_ERROR_SHORT_CODE_NEVER_ALLOWED</code><br>
     *  <code>SmsManager.RESULT_RADIO_NOT_AVAILABLE</code><br>
     *  <code>SmsManager.RESULT_NETWORK_REJECT</code><br>
     *  <code>SmsManager.RESULT_INVALID_ARGUMENTS</code><br>
     *  <code>SmsManager.RESULT_INVALID_STATE</code><br>
     *  <code>SmsManager.RESULT_NO_MEMORY</code><br>
     *  <code>SmsManager.RESULT_INVALID_SMS_FORMAT</code><br>
     *  <code>SmsManager.RESULT_SYSTEM_ERROR</code><br>
     *  <code>SmsManager.RESULT_MODEM_ERROR</code><br>
     *  <code>SmsManager.RESULT_NETWORK_ERROR</code><br>
     *  <code>SmsManager.RESULT_ENCODING_ERROR</code><br>
     *  <code>SmsManager.RESULT_INVALID_SMSC_ADDRESS</code><br>
     *  <code>SmsManager.RESULT_OPERATION_NOT_ALLOWED</code><br>
     *  <code>SmsManager.RESULT_INTERNAL_ERROR</code><br>
     *  <code>SmsManager.RESULT_NO_RESOURCES</code><br>
     *  <code>SmsManager.RESULT_CANCELLED</code><br>
     *  <code>SmsManager.RESULT_REQUEST_NOT_SUPPORTED</code><br>
     *  <code>SmsManager.RESULT_NO_BLUETOOTH_SERVICE</code><br>
     *  <code>SmsManager.RESULT_INVALID_BLUETOOTH_ADDRESS</code><br>
     *  <code>SmsManager.RESULT_BLUETOOTH_DISCONNECTED</code><br>
     *  <code>SmsManager.RESULT_UNEXPECTED_EVENT_STOP_SENDING</code><br>
     *  <code>SmsManager.RESULT_SMS_BLOCKED_DURING_EMERGENCY</code><br>
     *  <code>SmsManager.RESULT_SMS_SEND_RETRY_FAILED</code><br>
     *  <code>SmsManager.RESULT_REMOTE_EXCEPTION</code><br>
     *  <code>SmsManager.RESULT_NO_DEFAULT_SMS_APP</code><br>
     *  <code>SmsManager.RESULT_RIL_RADIO_NOT_AVAILABLE</code><br>
     *  <code>SmsManager.RESULT_RIL_SMS_SEND_FAIL_RETRY</code><br>
     *  <code>SmsManager.RESULT_RIL_NETWORK_REJECT</code><br>
     *  <code>SmsManager.RESULT_RIL_INVALID_STATE</code><br>
     *  <code>SmsManager.RESULT_RIL_INVALID_ARGUMENTS</code><br>
     *  <code>SmsManager.RESULT_RIL_NO_MEMORY</code><br>
     *  <code>SmsManager.RESULT_RIL_REQUEST_RATE_LIMITED</code><br>
     *  <code>SmsManager.RESULT_RIL_INVALID_SMS_FORMAT</code><br>
     *  <code>SmsManager.RESULT_RIL_SYSTEM_ERR</code><br>
     *  <code>SmsManager.RESULT_RIL_ENCODING_ERR</code><br>
     *  <code>SmsManager.RESULT_RIL_INVALID_SMSC_ADDRESS</code><br>
     *  <code>SmsManager.RESULT_RIL_MODEM_ERR</code><br>
     *  <code>SmsManager.RESULT_RIL_NETWORK_ERR</code><br>
     *  <code>SmsManager.RESULT_RIL_INTERNAL_ERR</code><br>
     *  <code>SmsManager.RESULT_RIL_REQUEST_NOT_SUPPORTED</code><br>
     *  <code>SmsManager.RESULT_RIL_INVALID_MODEM_STATE</code><br>
     *  <code>SmsManager.RESULT_RIL_NETWORK_NOT_READY</code><br>
     *  <code>SmsManager.RESULT_RIL_OPERATION_NOT_ALLOWED</code><br>
     *  <code>SmsManager.RESULT_RIL_NO_RESOURCES</code><br>
     *  <code>SmsManager.RESULT_RIL_CANCELLED</code><br>
     *  <code>SmsManager.RESULT_RIL_SIM_ABSENT</code><br>
     *  <code>SmsManager.RESULT_RIL_SIMULTANEOUS_SMS_AND_CALL_NOT_ALLOWED</code><br>
     *  <code>SmsManager.RESULT_RIL_ACCESS_BARRED</code><br>
     *  <code>SmsManager.RESULT_RIL_BLOCKED_DUE_TO_CALL</code><br>
     *  For <code>SmsManager.RESULT_ERROR_GENERIC_FAILURE</code> or any of the RESULT_RIL errors,
     *  the sentIntent may include the extra "errorCode" containing a radio technology specific
     *  value, generally only useful for troubleshooting.<br>
     *  The per-application based SMS control checks sentIntent. If sentIntent
     *  is NULL the caller will be checked against all unknown applications,
     *  which cause smaller number of SMS to be sent in checking period.
     * @param deliveryIntents if not null, an <code>ArrayList</code> of
     *  <code>PendingIntent</code>s (one for each message part) that is
     *  broadcast when the corresponding message part has been delivered
     *  to the recipient.  The raw pdu of the status report is in the
     * @param messageUri optional URI of the message if it is already stored in the system
     * @param callingPkg the calling package name
     * @param persistMessage whether to save the sent message into SMS DB for a
     *   non-default SMS app.
     * @param priority Priority level of the message
     *  Refer specification See 3GPP2 C.S0015-B, v2.0, table 4.5.9-1
     *  ---------------------------------
     *  PRIORITY      | Level of Priority
     *  ---------------------------------
     *      '00'      |     Normal
     *      '01'      |     Interactive
     *      '10'      |     Urgent
     *      '11'      |     Emergency
     *  ----------------------------------
     *  Any Other values included Negative considered as Invalid Priority Indicator of the message.
     * @param expectMore is a boolean to indicate the sending messages through same link or not.
     * @param validityPeriod Validity Period of the message in mins.
     *  Refer specification 3GPP TS 23.040 V6.8.1 section 9.2.3.12.1.
     *  Validity Period(Minimum) -> 5 mins
     *  Validity Period(Maximum) -> 635040 mins(i.e.63 weeks).
     *  Any Other values included Negative considered as Invalid Validity Period of the message.
     */
    @VisibleForTesting(visibility = VisibleForTesting.Visibility.PROTECTED)
    public void sendMultipartText(String destAddr, String scAddr,
            ArrayList<String> parts, ArrayList<PendingIntent> sentIntents,
            ArrayList<PendingIntent> deliveryIntents, Uri messageUri, String callingPkg,
            boolean persistMessage, int priority, boolean expectMore, int validityPeriod,
            long messageId) {
        final String fullMessageText = getMultipartMessageText(parts);
        int refNumber = getNextConcatenatedRef() & 0x00FF;
        int encoding = SmsConstants.ENCODING_UNKNOWN;
        int msgCount = parts.size();
        if (msgCount < 1) {
            triggerSentIntentForFailure(sentIntents);
            return;
        }

        TextEncodingDetails[] encodingForParts = new TextEncodingDetails[msgCount];
        for (int i = 0; i < msgCount; i++) {
            TextEncodingDetails details = calculateLength(parts.get(i), false);
            if (encoding != details.codeUnitSize
                    && (encoding == SmsConstants.ENCODING_UNKNOWN
                            || encoding == SmsConstants.ENCODING_7BIT)) {
                encoding = details.codeUnitSize;
            }
            encodingForParts[i] = details;
        }

        SmsTracker[] trackers = new SmsTracker[msgCount];

        // States to track at the message level (for all parts)
        final AtomicInteger unsentPartCount = new AtomicInteger(msgCount);
        final AtomicBoolean anyPartFailed = new AtomicBoolean(false);

        for (int i = 0; i < msgCount; i++) {
            SmsHeader.ConcatRef concatRef = new SmsHeader.ConcatRef();
            concatRef.refNumber = refNumber;
            concatRef.seqNumber = i + 1;  // 1-based sequence
            concatRef.msgCount = msgCount;
            // TODO: We currently set this to true since our messaging app will never
            // send more than 255 parts (it converts the message to MMS well before that).
            // However, we should support 3rd party messaging apps that might need 16-bit
            // references
            // Note:  It's not sufficient to just flip this bit to true; it will have
            // ripple effects (several calculations assume 8-bit ref).
            concatRef.isEightBits = true;
            SmsHeader smsHeader = new SmsHeader();
            smsHeader.concatRef = concatRef;

            // Set the national language tables for 3GPP 7-bit encoding, if enabled.
            if (encoding == SmsConstants.ENCODING_7BIT) {
                smsHeader.languageTable = encodingForParts[i].languageTable;
                smsHeader.languageShiftTable = encodingForParts[i].languageShiftTable;
            }

            PendingIntent sentIntent = null;
            if (sentIntents != null && sentIntents.size() > i) {
                sentIntent = sentIntents.get(i);
            }

            PendingIntent deliveryIntent = null;
            if (deliveryIntents != null && deliveryIntents.size() > i) {
                deliveryIntent = deliveryIntents.get(i);
            }
            int messageRef = nextMessageRef();
            trackers[i] =
                getNewSubmitPduTracker(callingPkg, destAddr, scAddr, parts.get(i), smsHeader,
                        encoding, sentIntent, deliveryIntent, (i == (msgCount - 1)),
                        unsentPartCount, anyPartFailed, messageUri,
                        fullMessageText, priority, expectMore, validityPeriod, messageId,
                        messageRef);
            if (trackers[i] == null) {
                triggerSentIntentForFailure(sentIntents);
                return;
            }
            trackers[i].mPersistMessage = persistMessage;
        }

        String carrierPackage = getCarrierAppPackageName();
        if (carrierPackage != null) {
            Rlog.d(TAG, "Found carrier package " + carrierPackage + " "
                    + SmsController.formatCrossStackMessageId(getMultiTrackermessageId(trackers)));
            MultipartSmsSender smsSender = new MultipartSmsSender(parts, trackers);
            smsSender.sendSmsByCarrierApp(carrierPackage, new SmsSenderCallback(smsSender));
        } else {
            Rlog.v(TAG, "No carrier package. "
                    + SmsController.formatCrossStackMessageId(getMultiTrackermessageId(trackers)));
            sendSubmitPdu(trackers);
        }
    }

    private long getMultiTrackermessageId(SmsTracker[] trackers) {
        if (trackers.length == 0) {
            return 0L;
        }
        return trackers[0].mMessageId;
    }

    /**
     * Create a new SubmitPdu and return the SMS tracker.
     */
    private SmsTracker getNewSubmitPduTracker(String callingPackage, String destinationAddress,
            String scAddress, String message, SmsHeader smsHeader, int encoding,
            PendingIntent sentIntent, PendingIntent deliveryIntent, boolean lastPart,
            AtomicInteger unsentPartCount, AtomicBoolean anyPartFailed, Uri messageUri,
            String fullMessageText, int priority, boolean expectMore, int validityPeriod,
            long messageId, int messageRef) {
        if (isCdmaMo()) {
            UserData uData = new UserData();
            uData.payloadStr = message;
            uData.userDataHeader = smsHeader;
            if (encoding == SmsConstants.ENCODING_7BIT) {
                uData.msgEncoding = isAscii7bitSupportedForLongMessage()
                        ? UserData.ENCODING_7BIT_ASCII : UserData.ENCODING_GSM_7BIT_ALPHABET;
                Rlog.d(TAG, "Message encoding for proper 7 bit: " + uData.msgEncoding);
            } else { // assume UTF-16
                uData.msgEncoding = UserData.ENCODING_UNICODE_16;
            }
            uData.msgEncodingSet = true;

            /* By setting the statusReportRequested bit only for the
             * last message fragment, this will result in only one
             * callback to the sender when that last fragment delivery
             * has been acknowledged. */
            //TODO FIX
            SmsMessageBase.SubmitPduBase submitPdu =
                    com.android.internal.telephony.cdma.SmsMessage.getSubmitPdu(destinationAddress,
                            uData, (deliveryIntent != null) && lastPart, priority);

            if (submitPdu != null) {
                HashMap map = getSmsTrackerMap(destinationAddress, scAddress,
                        message, submitPdu);
                return getSmsTracker(callingPackage, map, sentIntent, deliveryIntent,
                        getFormat(), unsentPartCount, anyPartFailed, messageUri, smsHeader,
                        (!lastPart || expectMore), fullMessageText, true /*isText*/,
                        true /*persistMessage*/, priority, validityPeriod, false /* isForVvm */,
                        messageId, messageRef, false);
            } else {
                Rlog.e(TAG, "CdmaSMSDispatcher.getNewSubmitPduTracker(): getSubmitPdu() returned "
                        + "null " + SmsController.formatCrossStackMessageId(messageId));
                return null;
            }
        } else {
            SmsMessageBase.SubmitPduBase pdu =
                    com.android.internal.telephony.gsm.SmsMessage.getSubmitPdu(scAddress,
                            destinationAddress, message, deliveryIntent != null,
                            SmsHeader.toByteArray(smsHeader), encoding, smsHeader.languageTable,
                            smsHeader.languageShiftTable, validityPeriod, messageRef);
            if (pdu != null) {
                HashMap map = getSmsTrackerMap(destinationAddress, scAddress, message, pdu);
                return getSmsTracker(callingPackage, map, sentIntent,
                        deliveryIntent, getFormat(), unsentPartCount, anyPartFailed, messageUri,
                        smsHeader, (!lastPart || expectMore), fullMessageText, true /*isText*/,
                        false /*persistMessage*/, priority, validityPeriod, false /* isForVvm */,
                        messageId, messageRef, false);
            } else {
                Rlog.e(TAG, "GsmSMSDispatcher.getNewSubmitPduTracker(): getSubmitPdu() returned "
                        + "null " + SmsController.formatCrossStackMessageId(messageId));
                return null;
            }
        }
    }

    /**
     * Send a single or a multi-part SMS
     *
     * @param trackers each tracker will contain:
     * -smsc the SMSC to send the message through, or NULL for the
     *  default SMSC
     * -pdu the raw PDU to send
     * -sentIntent if not NULL this <code>Intent</code> is
     *  broadcast when the message is successfully sent, or failed.
     *  The result code will be <code>Activity.RESULT_OK<code> for success,
     *  or one of these errors:
     *  <code>SmsManager.RESULT_ERROR_GENERIC_FAILURE</code><br>
     *  <code>SmsManager.RESULT_ERROR_RADIO_OFF</code><br>
     *  <code>SmsManager.RESULT_ERROR_NULL_PDU</code><br>
     *  <code>SmsManager.RESULT_ERROR_NO_SERVICE</code><br>
     *  <code>SmsManager.RESULT_ERROR_LIMIT_EXCEEDED</code><br>
     *  <code>SmsManager.RESULT_ERROR_FDN_CHECK_FAILURE</code><br>
     *  <code>SmsManager.RESULT_ERROR_SHORT_CODE_NOT_ALLOWED</code><br>
     *  <code>SmsManager.RESULT_ERROR_SHORT_CODE_NEVER_ALLOWED</code><br>
     *  <code>SmsManager.RESULT_RADIO_NOT_AVAILABLE</code><br>
     *  <code>SmsManager.RESULT_NETWORK_REJECT</code><br>
     *  <code>SmsManager.RESULT_INVALID_ARGUMENTS</code><br>
     *  <code>SmsManager.RESULT_INVALID_STATE</code><br>
     *  <code>SmsManager.RESULT_NO_MEMORY</code><br>
     *  <code>SmsManager.RESULT_INVALID_SMS_FORMAT</code><br>
     *  <code>SmsManager.RESULT_SYSTEM_ERROR</code><br>
     *  <code>SmsManager.RESULT_MODEM_ERROR</code><br>
     *  <code>SmsManager.RESULT_NETWORK_ERROR</code><br>
     *  <code>SmsManager.RESULT_ENCODING_ERROR</code><br>
     *  <code>SmsManager.RESULT_INVALID_SMSC_ADDRESS</code><br>
     *  <code>SmsManager.RESULT_OPERATION_NOT_ALLOWED</code><br>
     *  <code>SmsManager.RESULT_INTERNAL_ERROR</code><br>
     *  <code>SmsManager.RESULT_NO_RESOURCES</code><br>
     *  <code>SmsManager.RESULT_CANCELLED</code><br>
     *  <code>SmsManager.RESULT_REQUEST_NOT_SUPPORTED</code><br>
     *  <code>SmsManager.RESULT_NO_BLUETOOTH_SERVICE</code><br>
     *  <code>SmsManager.RESULT_INVALID_BLUETOOTH_ADDRESS</code><br>
     *  <code>SmsManager.RESULT_BLUETOOTH_DISCONNECTED</code><br>
     *  <code>SmsManager.RESULT_UNEXPECTED_EVENT_STOP_SENDING</code><br>
     *  <code>SmsManager.RESULT_SMS_BLOCKED_DURING_EMERGENCY</code><br>
     *  <code>SmsManager.RESULT_SMS_SEND_RETRY_FAILED</code><br>
     *  <code>SmsManager.RESULT_REMOTE_EXCEPTION</code><br>
     *  <code>SmsManager.RESULT_NO_DEFAULT_SMS_APP</code><br>
     *  <code>SmsManager.RESULT_RIL_RADIO_NOT_AVAILABLE</code><br>
     *  <code>SmsManager.RESULT_RIL_SMS_SEND_FAIL_RETRY</code><br>
     *  <code>SmsManager.RESULT_RIL_NETWORK_REJECT</code><br>
     *  <code>SmsManager.RESULT_RIL_INVALID_STATE</code><br>
     *  <code>SmsManager.RESULT_RIL_INVALID_ARGUMENTS</code><br>
     *  <code>SmsManager.RESULT_RIL_NO_MEMORY</code><br>
     *  <code>SmsManager.RESULT_RIL_REQUEST_RATE_LIMITED</code><br>
     *  <code>SmsManager.RESULT_RIL_INVALID_SMS_FORMAT</code><br>
     *  <code>SmsManager.RESULT_RIL_SYSTEM_ERR</code><br>
     *  <code>SmsManager.RESULT_RIL_ENCODING_ERR</code><br>
     *  <code>SmsManager.RESULT_RIL_INVALID_SMSC_ADDRESS</code><br>
     *  <code>SmsManager.RESULT_RIL_MODEM_ERR</code><br>
     *  <code>SmsManager.RESULT_RIL_NETWORK_ERR</code><br>
     *  <code>SmsManager.RESULT_RIL_INTERNAL_ERR</code><br>
     *  <code>SmsManager.RESULT_RIL_REQUEST_NOT_SUPPORTED</code><br>
     *  <code>SmsManager.RESULT_RIL_INVALID_MODEM_STATE</code><br>
     *  <code>SmsManager.RESULT_RIL_NETWORK_NOT_READY</code><br>
     *  <code>SmsManager.RESULT_RIL_OPERATION_NOT_ALLOWED</code><br>
     *  <code>SmsManager.RESULT_RIL_NO_RESOURCES</code><br>
     *  <code>SmsManager.RESULT_RIL_CANCELLED</code><br>
     *  <code>SmsManager.RESULT_RIL_SIM_ABSENT</code><br>
     *  <code>SmsManager.RESULT_RIL_SIMULTANEOUS_SMS_AND_CALL_NOT_ALLOWED</code><br>
     *  <code>SmsManager.RESULT_RIL_ACCESS_BARRED</code><br>
     *  <code>SmsManager.RESULT_RIL_BLOCKED_DUE_TO_CALL</code><br>
     *  For <code>SmsManager.RESULT_ERROR_GENERIC_FAILURE</code> or any of the RESULT_RIL errors,
     *  the sentIntent may include the extra "errorCode" containing a radio technology specific
     *  value, generally only useful for troubleshooting.<br>
     *  The per-application based SMS control checks sentIntent. If sentIntent
     *  is NULL the caller will be checked against all unknown applications,
     *  which cause smaller number of SMS to be sent in checking period.
     * -deliveryIntent if not NULL this <code>Intent</code> is
     *  broadcast when the message is delivered to the recipient.  The
     *  raw pdu of the status report is in the extended data ("pdu").
     * -param destAddr the destination phone number (for short code confirmation)
     */
    @VisibleForTesting
    public void sendRawPdu(SmsTracker[] trackers) {
        @SmsManager.Result int error = SmsManager.RESULT_ERROR_NONE;
        PackageInfo appInfo = null;
        if (mSmsSendDisabled) {
            Rlog.e(TAG, "Device does not support sending sms.");
            error = SmsManager.RESULT_ERROR_NO_SERVICE;
        } else {
            for (SmsTracker tracker : trackers) {
                if (tracker.getData().get(MAP_KEY_PDU) == null) {
                    Rlog.e(TAG, "Empty PDU");
                    error = SmsManager.RESULT_ERROR_NULL_PDU;
                    break;
                }
            }

            if (error == SmsManager.RESULT_ERROR_NONE) {
                UserHandle userHandle = UserHandle.of(trackers[0].mUserId);
                PackageManager pm = mContext.createContextAsUser(userHandle, 0).getPackageManager();

                try {
                    // Get package info via packagemanager
                    appInfo =
                            pm.getPackageInfo(
                                    trackers[0].getAppPackageName(),
                                    PackageManager.GET_SIGNATURES);
                } catch (PackageManager.NameNotFoundException e) {
                    Rlog.e(TAG, "Can't get calling app package info: refusing to send SMS "
                            + SmsController.formatCrossStackMessageId(
                                    getMultiTrackermessageId(trackers)));
                    error = SmsManager.RESULT_ERROR_GENERIC_FAILURE;
                }
            }
        }

        if (error != SmsManager.RESULT_ERROR_NONE) {
            handleSmsTrackersFailure(trackers, error, NO_ERROR_CODE);
            return;
        }

        // checkDestination() returns true if the destination is not a premium short code or the
        // sending app is approved to send to short codes. Otherwise, a message is sent to our
        // handler with the SmsTracker to request user confirmation before sending.
        if (checkDestination(trackers)) {
            // check for excessive outgoing SMS usage by this app
            if (!mSmsDispatchersController
                    .getUsageMonitor()
                    .check(appInfo.packageName, trackers.length)) {
                sendMessage(obtainMessage(EVENT_SEND_LIMIT_REACHED_CONFIRMATION, trackers));
                return;
            }

            for (SmsTracker tracker : trackers) {
                sendSms(tracker);
            }
        }

        if (mTelephonyManager.isEmergencyNumber(trackers[0].mDestAddress)) {
            new AsyncEmergencyContactNotifier(mContext).execute();
        }
    }

    /**
     * Check if destination is a potential premium short code and sender is not pre-approved to send
     * to short codes.
     *
     * @param trackers the trackers for a single or a multi-part SMS to send
     * @return true if the destination is approved; false if user confirmation event was sent
     */
    boolean checkDestination(SmsTracker[] trackers) {
        if (mContext.checkCallingOrSelfPermission(SEND_SMS_NO_CONFIRMATION)
                == PackageManager.PERMISSION_GRANTED || trackers[0].mIsForVvm
                || trackers[0].mSkipShortCodeDestAddrCheck) {
            return true;            // app is pre-approved to send to short codes
        } else {
            int rule = mPremiumSmsRule.get();
            int smsCategory = SmsManager.SMS_CATEGORY_NOT_SHORT_CODE;
            if (rule == PREMIUM_RULE_USE_SIM || rule == PREMIUM_RULE_USE_BOTH) {
                String simCountryIso =
                        mTelephonyManager.getSimCountryIsoForPhone(mPhone.getPhoneId());
                if (simCountryIso == null || simCountryIso.length() != 2) {
                    Rlog.e(TAG, "Can't get SIM country Iso: trying network country Iso "
                            + SmsController.formatCrossStackMessageId(
                                    getMultiTrackermessageId(trackers)));
                    simCountryIso =
                            mTelephonyManager.getNetworkCountryIso(mPhone.getPhoneId());
                }

                smsCategory =
                        mSmsDispatchersController
                                .getUsageMonitor()
                                .checkDestination(trackers[0].mDestAddress, simCountryIso);
            }
            if (rule == PREMIUM_RULE_USE_NETWORK || rule == PREMIUM_RULE_USE_BOTH) {
                String networkCountryIso =
                        mTelephonyManager.getNetworkCountryIso(mPhone.getPhoneId());
                if (networkCountryIso == null || networkCountryIso.length() != 2) {
                    Rlog.e(TAG, "Can't get Network country Iso: trying SIM country Iso "
                            + SmsController.formatCrossStackMessageId(
                                    getMultiTrackermessageId(trackers)));
                    networkCountryIso =
                            mTelephonyManager.getSimCountryIsoForPhone(mPhone.getPhoneId());
                }

                smsCategory =
                        SmsUsageMonitor.mergeShortCodeCategories(
                                smsCategory,
                                mSmsDispatchersController
                                        .getUsageMonitor()
                                        .checkDestination(
                                                trackers[0].mDestAddress, networkCountryIso));
            }

            if (smsCategory != SmsManager.SMS_CATEGORY_NOT_SHORT_CODE) {
                int xmlVersion = mSmsDispatchersController.getUsageMonitor()
                        .getShortCodeXmlFileVersion();
                mPhone.getSmsStats().onOutgoingShortCodeSms(smsCategory, xmlVersion);
            }

            if (smsCategory == SmsManager.SMS_CATEGORY_NOT_SHORT_CODE
                    || smsCategory == SmsManager.SMS_CATEGORY_FREE_SHORT_CODE
                    || smsCategory == SmsManager.SMS_CATEGORY_STANDARD_SHORT_CODE) {
                return true;    // not a premium short code
            }

            // Do not allow any premium sms during SuW
            if (Settings.Global.getInt(mResolver, Settings.Global.DEVICE_PROVISIONED, 0) == 0) {
                Rlog.e(TAG, "Can't send premium sms during Setup Wizard "
                        + SmsController.formatCrossStackMessageId(
                                getMultiTrackermessageId(trackers)));
                return false;
            }

            // Wait for user confirmation unless the user has set permission to always allow/deny
            int premiumSmsPermission =
                    mSmsDispatchersController
                            .getUsageMonitor()
                            .getPremiumSmsPermission(trackers[0].getAppPackageName());
            if (premiumSmsPermission == SmsUsageMonitor.PREMIUM_SMS_PERMISSION_UNKNOWN) {
                // First time trying to send to premium SMS.
                premiumSmsPermission = SmsUsageMonitor.PREMIUM_SMS_PERMISSION_ASK_USER;
            }

            switch (premiumSmsPermission) {
                case SmsUsageMonitor.PREMIUM_SMS_PERMISSION_ALWAYS_ALLOW:
                    Rlog.d(TAG, "User approved this app to send to premium SMS "
                            + SmsController.formatCrossStackMessageId(
                                    getMultiTrackermessageId(trackers)));
                    return true;

                case SmsUsageMonitor.PREMIUM_SMS_PERMISSION_NEVER_ALLOW:
                    Rlog.w(TAG, "User denied this app from sending to premium SMS "
                            + SmsController.formatCrossStackMessageId(
                                    getMultiTrackermessageId(trackers)));
                    Message msg = obtainMessage(EVENT_SENDING_NOT_ALLOWED, trackers);
                    sendMessage(msg);
                    return false;   // reject this message

                case SmsUsageMonitor.PREMIUM_SMS_PERMISSION_ASK_USER:
                default:
                    int event;
                    if (smsCategory == SmsManager.SMS_CATEGORY_POSSIBLE_PREMIUM_SHORT_CODE) {
                        event = EVENT_CONFIRM_SEND_TO_POSSIBLE_PREMIUM_SHORT_CODE;
                    } else {
                        event = EVENT_CONFIRM_SEND_TO_PREMIUM_SHORT_CODE;
                    }
                    sendMessage(obtainMessage(event, trackers));
                    return false;   // wait for user confirmation
            }
        }
    }

    /**
     * Deny sending a single or a multi-part SMS if the outgoing queue limit is reached. Used when
     * the message must be confirmed by the user due to excessive usage or potential premium SMS
     * detected.
     *
     * @param trackers the SmsTracker array for the message to send
     * @return true if the message was denied; false to continue with send confirmation
     */
    private boolean denyIfQueueLimitReached(SmsTracker[] trackers) {
        // one SmsTracker array is treated as one message for checking queue limit.
        if (mPendingTrackerCount >= MO_MSG_QUEUE_LIMIT) {
            // Deny sending message when the queue limit is reached.
            Rlog.e(TAG, "Denied because queue limit reached "
                    + SmsController.formatCrossStackMessageId(getMultiTrackermessageId(trackers)));
            handleSmsTrackersFailure(
                    trackers, SmsManager.RESULT_ERROR_LIMIT_EXCEEDED, NO_ERROR_CODE);
            return true;
        }
        mPendingTrackerCount++;
        return false;
    }

    /**
     * Returns the label for the specified app package name.
     * @param appPackage the package name of the app requesting to send an SMS
     * @return the label for the specified app, or the package name if getApplicationInfo() fails
     */
    private CharSequence getAppLabel(String appPackage, @UserIdInt int userId) {
        PackageManager pm = mContext.getPackageManager();
        try {
            ApplicationInfo appInfo = pm.getApplicationInfoAsUser(appPackage, 0,
                    UserHandle.of(userId));
            return appInfo.loadSafeLabel(pm);
        } catch (PackageManager.NameNotFoundException e) {
            Rlog.e(TAG, "PackageManager Name Not Found for package " + appPackage);
            return appPackage;  // fall back to package name if we can't get app label
        }
    }

    /**
     * Post an alert when SMS needs confirmation due to excessive usage.
     *
     * @param trackers the SmsTracker array for the current message.
     */
    protected void handleReachSentLimit(SmsTracker[] trackers) {
        if (denyIfQueueLimitReached(trackers)) {
            return;     // queue limit reached; error was returned to caller
        }

        CharSequence appLabel = getAppLabel(trackers[0].getAppPackageName(), trackers[0].mUserId);
        Resources r = Resources.getSystem();
        Spanned messageText = Html.fromHtml(r.getString(R.string.sms_control_message, appLabel));

        // Construct ConfirmDialogListenter for Rate Limit handling
        ConfirmDialogListener listener =
                new ConfirmDialogListener(trackers, null, ConfirmDialogListener.RATE_LIMIT);

        AlertDialog d = new AlertDialog.Builder(mContext)
                .setTitle(R.string.sms_control_title)
                .setIcon(R.drawable.stat_sys_warning)
                .setMessage(messageText)
                .setPositiveButton(r.getString(R.string.sms_control_yes), listener)
                .setNegativeButton(r.getString(R.string.sms_control_no), listener)
                .setOnCancelListener(listener)
                .create();

        d.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT);
        d.show();
    }

    /**
     * Post an alert for user confirmation when sending to a potential short code.
     *
     * @param isPremium true if the destination is known to be a premium short code
     * @param trackers the SmsTracker array for the current message.
     */
    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
    protected void handleConfirmShortCode(boolean isPremium, SmsTracker[] trackers) {
        if (denyIfQueueLimitReached(trackers)) {
            return;     // queue limit reached; error was returned to caller
        }

        int detailsId;
        if (isPremium) {
            detailsId = R.string.sms_premium_short_code_details;
        } else {
            detailsId = R.string.sms_short_code_details;
        }

        CharSequence appLabel = getAppLabel(trackers[0].getAppPackageName(), trackers[0].mUserId);
        Resources r = Resources.getSystem();
        Spanned messageText =
                Html.fromHtml(
                        r.getString(
                                R.string.sms_short_code_confirm_message,
                                appLabel,
                                trackers[0].mDestAddress));

        LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(
                Context.LAYOUT_INFLATER_SERVICE);
        View layout = inflater.inflate(R.layout.sms_short_code_confirmation_dialog, null);

        // Construct ConfirmDialogListenter for short code message sending
        ConfirmDialogListener listener =
                new ConfirmDialogListener(
                        trackers,
                        (TextView)
                                layout.findViewById(R.id.sms_short_code_remember_undo_instruction),
                        ConfirmDialogListener.SHORT_CODE_MSG);

        TextView messageView = (TextView) layout.findViewById(R.id.sms_short_code_confirm_message);
        messageView.setText(messageText);

        ViewGroup detailsLayout = (ViewGroup) layout.findViewById(
                R.id.sms_short_code_detail_layout);
        TextView detailsView = (TextView) detailsLayout.findViewById(
                R.id.sms_short_code_detail_message);
        detailsView.setText(detailsId);

        CheckBox rememberChoice = (CheckBox) layout.findViewById(
                R.id.sms_short_code_remember_choice_checkbox);
        rememberChoice.setOnCheckedChangeListener(listener);

        AlertDialog d = new AlertDialog.Builder(mContext)
                .setView(layout)
                .setPositiveButton(r.getString(R.string.sms_short_code_confirm_allow), listener)
                .setNegativeButton(r.getString(R.string.sms_short_code_confirm_deny), listener)
                .setOnCancelListener(listener)
                .create();

        d.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT);
        d.show();

        listener.setPositiveButton(d.getButton(DialogInterface.BUTTON_POSITIVE));
        listener.setNegativeButton(d.getButton(DialogInterface.BUTTON_NEGATIVE));
    }

    /**
     * Send the message along to the radio.
     *
     * @param tracker holds the SMS message to send
     */
    @UnsupportedAppUsage
    protected abstract void sendSms(SmsTracker tracker);

    /**
     * Retry the message along to the radio.
     *
     * @param tracker holds the SMS message to send
     */
    public void sendRetrySms(SmsTracker tracker) {
        // re-routing to SmsDispatchersController
        if (mSmsDispatchersController != null) {
            mSmsDispatchersController.sendRetrySms(tracker);
        } else {
            Rlog.e(TAG, mSmsDispatchersController + " is null. Retry failed "
                    + SmsController.formatCrossStackMessageId(tracker.mMessageId));
        }
    }

    private void handleSmsTrackersFailure(SmsTracker[] trackers, @SmsManager.Result int error,
            int errorCode) {
        for (SmsTracker tracker : trackers) {
            tracker.onFailed(mContext, error, errorCode);
        }
        if (trackers.length > 0) {
            // This error occurs before the SMS is sent. Make an assumption if it would have
            // been sent over IMS or not.
            mPhone.getSmsStats().onOutgoingSms(
                    isIms(),
                    SmsConstants.FORMAT_3GPP2.equals(getFormat()),
                    false /* fallbackToCs */,
                    error,
                    trackers[0].mMessageId,
                    trackers[0].isFromDefaultSmsApplication(mContext),
                    trackers[0].getInterval());
        }
    }

    /**
     * Keeps track of an SMS that has been sent to the RIL, until it has
     * successfully been sent, or we're done trying.
     */
    public static class SmsTracker {
        // fields need to be public for derived SmsDispatchers
        @UnsupportedAppUsage
        private final HashMap<String, Object> mData;
        public int mRetryCount;
        // IMS retry counter. Nonzero indicates initial message was sent over IMS channel in RIL and
        // counts how many retries have been made on the IMS channel.
        // Used in older implementations where the message is sent over IMS using the RIL.
        public int mImsRetry;
        // Tag indicating that this SMS is being handled by the ImsSmsDispatcher. This tracker
        // should not try to use SMS over IMS over the RIL interface in this case when falling back.
        public boolean mUsesImsServiceForIms;
        @UnsupportedAppUsage
        public int mMessageRef;
        public boolean mExpectMore;
        public int mValidityPeriod;
        public int mPriority;
        String mFormat;

        @UnsupportedAppUsage
        public final PendingIntent mSentIntent;
        @UnsupportedAppUsage
        public final PendingIntent mDeliveryIntent;

        @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
        public final PackageInfo mAppInfo;
        @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
        public final String mDestAddress;

        public final SmsHeader mSmsHeader;

        @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
        private long mTimestamp = SystemClock.elapsedRealtime();
        @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
        public Uri mMessageUri; // Uri of persisted message if we wrote one

        // Reference to states of a multipart message that this part belongs to
        private AtomicInteger mUnsentPartCount;
        private AtomicBoolean mAnyPartFailed;
        // The full message content of a single part message
        // or a multipart message that this part belongs to
        private String mFullMessageText;

        private int mSubId;

        // If this is a text message (instead of data message)
        private boolean mIsText;

        @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
        private boolean mPersistMessage;

        // User who sends the SMS.
        private final @UserIdInt int mUserId;

        private final boolean mIsForVvm;

        public final long mMessageId;

        private Boolean mIsFromDefaultSmsApplication;

        private int mCarrierId;
        private boolean mSkipShortCodeDestAddrCheck;
        // SMS anomaly uuid -- unexpected error from RIL
        private final UUID mAnomalyUnexpectedErrorFromRilUUID =
                UUID.fromString("43043600-ea7a-44d2-9ae6-a58567ac7886");

        private SmsTracker(HashMap<String, Object> data, PendingIntent sentIntent,
                PendingIntent deliveryIntent, PackageInfo appInfo, String destAddr, String format,
                AtomicInteger unsentPartCount, AtomicBoolean anyPartFailed, Uri messageUri,
                SmsHeader smsHeader, boolean expectMore, String fullMessageText, int subId,
                boolean isText, boolean persistMessage, int userId, int priority,
                int validityPeriod, boolean isForVvm, long messageId, int carrierId,
                int messageRef, boolean skipShortCodeDestAddrCheck) {
            mData = data;
            mSentIntent = sentIntent;
            mDeliveryIntent = deliveryIntent;
            mRetryCount = 0;
            mAppInfo = appInfo;
            mDestAddress = destAddr;
            mFormat = format;
            mExpectMore = expectMore;
            mImsRetry = 0;
            mUsesImsServiceForIms = false;
            mMessageRef = messageRef;
            mUnsentPartCount = unsentPartCount;
            mAnyPartFailed = anyPartFailed;
            mMessageUri = messageUri;
            mSmsHeader = smsHeader;
            mFullMessageText = fullMessageText;
            mSubId = subId;
            mIsText = isText;
            mPersistMessage = persistMessage;
            mUserId = userId;
            mPriority = priority;
            mValidityPeriod = validityPeriod;
            mIsForVvm = isForVvm;
            mMessageId = messageId;
            mCarrierId = carrierId;
            mSkipShortCodeDestAddrCheck = skipShortCodeDestAddrCheck;
        }

        public HashMap<String, Object> getData() {
            return mData;
        }

        /**
         * Get the App package name
         * @return App package name info
         */
        public String getAppPackageName() {
            return mAppInfo != null ? mAppInfo.packageName : null;
        }

        /**
         * Get the calling Application Info
         * @return Application Info
         */
        public ApplicationInfo getAppInfo() {
            return mAppInfo == null ? null : mAppInfo.applicationInfo;
        }

        /** Return if the SMS was originated from the default SMS application. */
        public boolean isFromDefaultSmsApplication(Context context) {
            if (mIsFromDefaultSmsApplication == null) {
                UserHandle userHandle = TelephonyUtils.getSubscriptionUserHandle(context, mSubId);
                // Perform a lazy initialization, due to the cost of the operation.
                mIsFromDefaultSmsApplication = SmsApplication.isDefaultSmsApplicationAsUser(context,
                                    getAppPackageName(), userHandle);
            }
            return mIsFromDefaultSmsApplication;
        }

        /**
         * Update the status of this message if we persisted it
         */
        @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
        public void updateSentMessageStatus(Context context, int status) {
            if (mMessageUri != null) {
                // If we wrote this message in writeSentMessage, update it now
                ContentValues values = new ContentValues(1);
                values.put(Sms.STATUS, status);
                context.getContentResolver().update(mMessageUri, values, null, null);
            }
        }

        /**
         * Set the final state of a message: FAILED or SENT
         *
         * @param context The Context
         * @param messageType The final message type
         * @param errorCode The error code
         */
        private void updateMessageState(Context context, int messageType, int errorCode) {
            if (mMessageUri == null) {
                return;
            }
            final ContentValues values = new ContentValues(2);
            values.put(Sms.TYPE, messageType);
            values.put(Sms.ERROR_CODE, errorCode);
            final long identity = Binder.clearCallingIdentity();
            try {
                if (context.getContentResolver().update(mMessageUri, values,
                        null/*where*/, null/*selectionArgs*/) != 1) {
                    Rlog.e(TAG, "Failed to move message to " + messageType);
                }
            } finally {
                Binder.restoreCallingIdentity(identity);
            }
        }

        /**
         * Returns the interval in milliseconds between sending the message out and current time.
         * Called after receiving success/failure response to calculate the time
         * to complete the SMS send to the network.
         */
        protected long getInterval() {
            return SystemClock.elapsedRealtime() - mTimestamp;
        }

        /**
         * Persist a sent SMS if required:
         * 1. It is a text message
         * 2. SmsApplication tells us to persist: sent from apps that are not default-SMS app or
         *    bluetooth
         *
         * @param context
         * @param messageType The folder to store (FAILED or SENT)
         * @param errorCode The current error code for this SMS or SMS part
         * @return The telephony provider URI if stored
         */
        private Uri persistSentMessageIfRequired(Context context, int messageType, int errorCode) {
            if (!mIsText || !mPersistMessage || isFromDefaultSmsApplication(context)) {
                return null;
            }
            Rlog.d(TAG, "Persist SMS into "
                    + (messageType == Sms.MESSAGE_TYPE_FAILED ? "FAILED" : "SENT"));
            final ContentValues values = new ContentValues();
            values.put(Sms.SUBSCRIPTION_ID, mSubId);
            values.put(Sms.ADDRESS, mDestAddress);
            values.put(Sms.BODY, mFullMessageText);
            values.put(Sms.DATE, System.currentTimeMillis()); // milliseconds
            values.put(Sms.SEEN, 1);
            values.put(Sms.READ, 1);
            final String creator = mAppInfo != null ? mAppInfo.packageName : null;
            if (!TextUtils.isEmpty(creator)) {
                values.put(Sms.CREATOR, creator);
            }
            if (mDeliveryIntent != null) {
                values.put(Sms.STATUS, Telephony.Sms.STATUS_PENDING);
            }
            if (errorCode != NO_ERROR_CODE) {
                values.put(Sms.ERROR_CODE, errorCode);
            }
            final long identity = Binder.clearCallingIdentity();
            final ContentResolver resolver = context.getContentResolver();
            try {
                final Uri uri =  resolver.insert(Telephony.Sms.Sent.CONTENT_URI, values);
                if (uri != null && messageType == Sms.MESSAGE_TYPE_FAILED) {
                    // Since we can't persist a message directly into FAILED box,
                    // we have to update the column after we persist it into SENT box.
                    // The gap between the state change is tiny so I would not expect
                    // it to cause any serious problem
                    // TODO: we should add a "failed" URI for this in SmsProvider?
                    final ContentValues updateValues = new ContentValues(1);
                    updateValues.put(Sms.TYPE, Sms.MESSAGE_TYPE_FAILED);
                    resolver.update(uri, updateValues, null/*where*/, null/*selectionArgs*/);
                }
                return uri;
            } catch (Exception e) {
                Rlog.e(TAG, "writeOutboxMessage: Failed to persist outbox message", e);
                return null;
            } finally {
                Binder.restoreCallingIdentity(identity);
            }
        }

        /**
         * Persist or update an SMS depending on if we send a new message or a stored message
         *
         * @param context
         * @param messageType The message folder for this SMS, FAILED or SENT
         * @param errorCode The current error code for this SMS or SMS part
         */
        private void persistOrUpdateMessage(Context context, int messageType, int errorCode) {
            if (mMessageUri != null) {
                updateMessageState(context, messageType, errorCode);
            } else {
                mMessageUri = persistSentMessageIfRequired(context, messageType, errorCode);
            }
        }

        /**
         * Handle a failure of a single part message or a part of a multipart message
         *
         * @param context The Context
         * @param error The error to send back with
         * @param errorCode
         */
        @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
        public void onFailed(Context context, int error, int errorCode) {
            if (mAnyPartFailed != null) {
                mAnyPartFailed.set(true);
            }
            // is single part or last part of multipart message
            boolean isSinglePartOrLastPart = true;
            if (mUnsentPartCount != null) {
                isSinglePartOrLastPart = mUnsentPartCount.decrementAndGet() == 0;
            }
            if (isSinglePartOrLastPart) {
                persistOrUpdateMessage(context, Sms.MESSAGE_TYPE_FAILED, errorCode);
            }
            if (mSentIntent != null) {
                try {
                    // Extra information to send with the sent intent
                    Intent fillIn = new Intent();
                    if (mMessageUri != null) {
                        // Pass this to SMS apps so that they know where it is stored
                        fillIn.putExtra("uri", mMessageUri.toString());
                    }
                    if (errorCode != NO_ERROR_CODE) {
                        fillIn.putExtra("errorCode", errorCode);
                    }
                    if (mUnsentPartCount != null && isSinglePartOrLastPart) {
                        // Is multipart and last part
                        fillIn.putExtra(SEND_NEXT_MSG_EXTRA, true);
                    }
                    if (mMessageId != 0L) {
                        // Send the id back to the caller so they can verify the message id
                        // with the one they passed to SmsManager.
                        fillIn.putExtra(MESSAGE_ID_EXTRA, mMessageId);
                    }
                    fillIn.putExtra("format", mFormat);
                    fillIn.putExtra("ims", mUsesImsServiceForIms);
                    mSentIntent.send(context, error, fillIn);
                } catch (CanceledException ex) {
                    Rlog.e(TAG, "Failed to send result "
                            + SmsController.formatCrossStackMessageId(mMessageId));
                }
            }
            reportAnomaly(error, errorCode);
        }

        private void reportAnomaly(int error, int errorCode) {
            switch (error) {
                // Exclude known failed reason
                case SmsManager.RESULT_ERROR_NO_SERVICE:
                case SmsManager.RESULT_ERROR_RADIO_OFF:
                case SmsManager.RESULT_ERROR_LIMIT_EXCEEDED:
                case SmsManager.RESULT_ERROR_SHORT_CODE_NEVER_ALLOWED:
                case SmsManager.RESULT_ERROR_SHORT_CODE_NOT_ALLOWED:
                case SmsManager.RESULT_SMS_BLOCKED_DURING_EMERGENCY:
                    break;
                // Dump bugreport for analysis
                default:
                    String message = "SMS failed";
                    Rlog.d(TAG, message + " with error " + error + ", errorCode " + errorCode);
                    AnomalyReporter.reportAnomaly(
                            generateUUID(error, errorCode), message, mCarrierId);
            }
        }

        private UUID generateUUID(int error, int errorCode) {
            long lerror = error;
            long lerrorCode = errorCode;
            return new UUID(mAnomalyUnexpectedErrorFromRilUUID.getMostSignificantBits(),
                    mAnomalyUnexpectedErrorFromRilUUID.getLeastSignificantBits()
                            + ((lerrorCode << 32) + lerror));
        }

        /**
         * Handle the sent of a single part message or a part of a multipart message
         *
         * @param context The Context
         */
        @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
        public void onSent(Context context) {
            // is single part or last part of multipart message
            boolean isSinglePartOrLastPart = true;
            if (mUnsentPartCount != null) {
                isSinglePartOrLastPart = mUnsentPartCount.decrementAndGet() == 0;
            }
            if (isSinglePartOrLastPart) {
                int messageType = Sms.MESSAGE_TYPE_SENT;
                if (mAnyPartFailed != null && mAnyPartFailed.get()) {
                    messageType = Sms.MESSAGE_TYPE_FAILED;
                }
                persistOrUpdateMessage(context, messageType, NO_ERROR_CODE);
            }
            if (mSentIntent != null) {
                try {
                    // Extra information to send with the sent intent
                    Intent fillIn = new Intent();
                    if (mMessageUri != null) {
                        // Pass this to SMS apps so that they know where it is stored
                        fillIn.putExtra("uri", mMessageUri.toString());
                    }
                    if (mUnsentPartCount != null && isSinglePartOrLastPart) {
                        // Is multipart and last part
                        fillIn.putExtra(SEND_NEXT_MSG_EXTRA, true);
                    }
                    fillIn.putExtra("format", mFormat);
                    fillIn.putExtra("ims", mUsesImsServiceForIms);
                    mSentIntent.send(context, Activity.RESULT_OK, fillIn);
                } catch (CanceledException ex) {
                    Rlog.e(TAG, "Failed to send result");
                }
            }
        }
    }

    protected SmsTracker getSmsTracker(String callingPackage, HashMap<String, Object> data,
            PendingIntent sentIntent, PendingIntent deliveryIntent, String format,
            AtomicInteger unsentPartCount, AtomicBoolean anyPartFailed, Uri messageUri,
            SmsHeader smsHeader, boolean expectMore, String fullMessageText, boolean isText,
            boolean persistMessage, int priority, int validityPeriod, boolean isForVvm,
            long messageId, int messageRef, boolean skipShortCodeCheck) {
        // Get package info via packagemanager
        UserHandle callingUser = UserHandle.getUserHandleForUid(Binder.getCallingUid());
        final int userId = callingUser.getIdentifier();
        PackageManager pm = mContext.createContextAsUser(callingUser, 0).getPackageManager();
        PackageInfo appInfo = null;
        try {
            appInfo = pm.getPackageInfo(callingPackage, PackageManager.GET_SIGNATURES);
        } catch (PackageManager.NameNotFoundException e) {
            // error will be logged in sendRawPdu
        }
        // Strip non-digits from destination phone number before checking for short codes
        // and before displaying the number to the user if confirmation is required.
        String destAddr = PhoneNumberUtils.extractNetworkPortion((String) data.get("destAddr"));
        return new SmsTracker(data, sentIntent, deliveryIntent, appInfo, destAddr, format,
                unsentPartCount, anyPartFailed, messageUri, smsHeader, expectMore,
                fullMessageText, getSubId(), isText, persistMessage, userId, priority,
                validityPeriod, isForVvm, messageId, mPhone.getCarrierId(), messageRef,
                skipShortCodeCheck);
    }

    protected SmsTracker getSmsTracker(String callingPackage, HashMap<String, Object> data,
            PendingIntent sentIntent, PendingIntent deliveryIntent, String format, Uri messageUri,
            boolean expectMore, String fullMessageText, boolean isText, boolean persistMessage,
            boolean isForVvm, long messageId, int messageRef) {
        return getSmsTracker(callingPackage, data, sentIntent, deliveryIntent, format,
                null/*unsentPartCount*/, null/*anyPartFailed*/, messageUri, null/*smsHeader*/,
                expectMore, fullMessageText, isText, persistMessage,
                SMS_MESSAGE_PRIORITY_NOT_SPECIFIED, SMS_MESSAGE_PERIOD_NOT_SPECIFIED, isForVvm,
                messageId, messageRef, false);
    }

    protected SmsTracker getSmsTracker(String callingPackage, HashMap<String, Object> data,
            PendingIntent sentIntent, PendingIntent deliveryIntent, String format, Uri messageUri,
            boolean expectMore, String fullMessageText, boolean isText, boolean persistMessage,
            int priority, int validityPeriod, boolean isForVvm, long messageId, int messageRef,
            boolean skipShortCodeCheck) {
        return getSmsTracker(callingPackage, data, sentIntent, deliveryIntent, format,
                null/*unsentPartCount*/, null/*anyPartFailed*/, messageUri, null/*smsHeader*/,
                expectMore, fullMessageText, isText, persistMessage, priority, validityPeriod,
                isForVvm, messageId, messageRef, skipShortCodeCheck);
    }

    protected HashMap<String, Object> getSmsTrackerMap(String destAddr, String scAddr,
            String text, SmsMessageBase.SubmitPduBase pdu) {
        HashMap<String, Object> map = new HashMap<String, Object>();
        map.put(MAP_KEY_DEST_ADDR, destAddr);
        map.put(MAP_KEY_SC_ADDR, scAddr);
        map.put(MAP_KEY_TEXT, text);
        map.put(MAP_KEY_SMSC, pdu.encodedScAddress);
        map.put(MAP_KEY_PDU, pdu.encodedMessage);
        return map;
    }

    protected HashMap<String, Object> getSmsTrackerMap(String destAddr, String scAddr,
            int destPort, byte[] data, SmsMessageBase.SubmitPduBase pdu) {
        HashMap<String, Object> map = new HashMap<String, Object>();
        map.put(MAP_KEY_DEST_ADDR, destAddr);
        map.put(MAP_KEY_SC_ADDR, scAddr);
        map.put(MAP_KEY_DEST_PORT, destPort);
        map.put(MAP_KEY_DATA, data);
        map.put(MAP_KEY_SMSC, pdu.encodedScAddress);
        map.put(MAP_KEY_PDU, pdu.encodedMessage);
        return map;
    }

    /**
     * Dialog listener for SMS confirmation dialog.
     */
    private final class ConfirmDialogListener
            implements DialogInterface.OnClickListener, DialogInterface.OnCancelListener,
            CompoundButton.OnCheckedChangeListener {

        private final SmsTracker[] mTrackers;
        @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
        private Button mPositiveButton;
        @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
        private Button mNegativeButton;
        private boolean mRememberChoice;    // default is unchecked
        @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
        private final TextView mRememberUndoInstruction;
        private int mConfirmationType;  // 0 - Short Code Msg Sending; 1 - Rate Limit Exceeded
        private static final int SHORT_CODE_MSG = 0; // Short Code Msg
        private static final int RATE_LIMIT = 1; // Rate Limit Exceeded
        private static final int NEVER_ALLOW = 1; // Never Allow

        ConfirmDialogListener(SmsTracker[] trackers, TextView textView, int confirmationType) {
            mTrackers = trackers;
            mRememberUndoInstruction = textView;
            mConfirmationType = confirmationType;
        }

        void setPositiveButton(Button button) {
            mPositiveButton = button;
        }

        void setNegativeButton(Button button) {
            mNegativeButton = button;
        }

        @Override
        public void onClick(DialogInterface dialog, int which) {
            // Always set the SMS permission so that Settings will show a permission setting
            // for the app (it won't be shown until after the app tries to send to a short code).
            int newSmsPermission = SmsUsageMonitor.PREMIUM_SMS_PERMISSION_ASK_USER;

            if (which == DialogInterface.BUTTON_POSITIVE) {
                Rlog.d(TAG, "CONFIRM sending SMS");
                // XXX this is lossy- apps can have more than one signature
                EventLog.writeEvent(
                        EventLogTags.EXP_DET_SMS_SENT_BY_USER,
                        mTrackers[0].mAppInfo.applicationInfo == null
                                ? -1
                                : mTrackers[0].mAppInfo.applicationInfo.uid);
                sendMessage(obtainMessage(EVENT_SEND_CONFIRMED_SMS, mTrackers));
                if (mRememberChoice) {
                    newSmsPermission = SmsUsageMonitor.PREMIUM_SMS_PERMISSION_ALWAYS_ALLOW;
                }
            } else if (which == DialogInterface.BUTTON_NEGATIVE) {
                Rlog.d(TAG, "DENY sending SMS");
                // XXX this is lossy- apps can have more than one signature
                EventLog.writeEvent(
                        EventLogTags.EXP_DET_SMS_DENIED_BY_USER,
                        mTrackers[0].mAppInfo.applicationInfo == null
                                ? -1
                                : mTrackers[0].mAppInfo.applicationInfo.uid);
                Message msg = obtainMessage(EVENT_STOP_SENDING, mTrackers);
                msg.arg1 = mConfirmationType;
                if (mRememberChoice) {
                    newSmsPermission = SmsUsageMonitor.PREMIUM_SMS_PERMISSION_NEVER_ALLOW;
                    msg.arg2 = ConfirmDialogListener.NEVER_ALLOW;
                }
                sendMessage(msg);
            }
            mSmsDispatchersController.setPremiumSmsPermission(
                    mTrackers[0].getAppPackageName(), newSmsPermission);
        }

        @Override
        public void onCancel(DialogInterface dialog) {
            Rlog.d(TAG, "dialog dismissed: don't send SMS");
            Message msg = obtainMessage(EVENT_STOP_SENDING, mTrackers);
            msg.arg1 = mConfirmationType;
            sendMessage(msg);
        }

        @Override
        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
            Rlog.d(TAG, "remember this choice: " + isChecked);
            mRememberChoice = isChecked;
            if (isChecked) {
                mPositiveButton.setText(R.string.sms_short_code_confirm_always_allow);
                mNegativeButton.setText(R.string.sms_short_code_confirm_never_allow);
                if (mRememberUndoInstruction != null) {
                    mRememberUndoInstruction
                            .setText(R.string.sms_short_code_remember_undo_instruction);
                    mRememberUndoInstruction.setPadding(0,0,0,32);
                }
            } else {
                mPositiveButton.setText(R.string.sms_short_code_confirm_allow);
                mNegativeButton.setText(R.string.sms_short_code_confirm_deny);
                if (mRememberUndoInstruction != null) {
                    mRememberUndoInstruction.setText("");
                    mRememberUndoInstruction.setPadding(0,0,0,0);
                }
            }
        }
    }

    public boolean isIms() {
        if (mSmsDispatchersController != null) {
            return mSmsDispatchersController.isIms();
        } else {
            Rlog.e(TAG, "mSmsDispatchersController is null");
            return false;
        }
    }

    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
    private String getMultipartMessageText(ArrayList<String> parts) {
        final StringBuilder sb = new StringBuilder();
        for (String part : parts) {
            if (part != null) {
                sb.append(part);
            }
        }
        return sb.toString();
    }

    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
    protected String getCarrierAppPackageName() {
        CarrierPrivilegesTracker cpt = mPhone.getCarrierPrivilegesTracker();
        if (cpt == null) {
            return null;
        }
        List<String> carrierPackages =
                cpt.getCarrierPackageNamesForIntent(
                        new Intent(CarrierMessagingService.SERVICE_INTERFACE));
        if (carrierPackages != null && carrierPackages.size() == 1) {
            return carrierPackages.get(0);
        }
        // If there is no carrier package which implements CarrierMessagingService, then lookup
        // an ImsService implementing RCS that also implements CarrierMessagingService.
        return CarrierSmsUtils.getImsRcsPackageForIntent(mContext, mPhone,
                new Intent(CarrierMessagingService.SERVICE_INTERFACE));
    }

    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
    protected int getSubId() {
        return SubscriptionManager.getSubscriptionId(mPhone.getPhoneId());
    }

    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
    private void checkCallerIsPhoneOrCarrierApp() {
        int uid = Binder.getCallingUid();
        int appId = UserHandle.getAppId(uid);
        if (appId == Process.PHONE_UID || uid == 0) {
            return;
        }
        try {
            PackageManager pm = mContext.getPackageManager();
            ApplicationInfo ai = pm.getApplicationInfo(getCarrierAppPackageName(), 0);
            if (UserHandle.getAppId(ai.uid) != UserHandle.getAppId(Binder.getCallingUid())) {
                throw new SecurityException("Caller is not phone or carrier app!");
            }
        } catch (PackageManager.NameNotFoundException re) {
            throw new SecurityException("Caller is not phone or carrier app!");
        }
    }

    protected boolean isCdmaMo() {
        return mSmsDispatchersController.isCdmaMo();
    }

    private boolean isAscii7bitSupportedForLongMessage() {
        //TODO: Do not rely on calling identity here, we should store UID & clear identity earlier.
        long token = Binder.clearCallingIdentity();
        try {
            CarrierConfigManager configManager = (CarrierConfigManager) mContext.getSystemService(
                    Context.CARRIER_CONFIG_SERVICE);
            PersistableBundle pb = null;
            pb = configManager.getConfigForSubId(mPhone.getSubId());
            if (pb != null) {
                return pb.getBoolean(CarrierConfigManager
                        .KEY_ASCII_7_BIT_SUPPORT_FOR_LONG_MESSAGE_BOOL);
            }
            return false;
        } finally {
            Binder.restoreCallingIdentity(token);
        }
    }

    /**
     * Dump local logs
     */
    public void dump(FileDescriptor fd, PrintWriter printWriter, String[] args) {
        IndentingPrintWriter pw = new IndentingPrintWriter(printWriter, "  ");
        pw.println(TAG);
        pw.increaseIndent();

        pw.println("mLocalLog:");
        pw.increaseIndent();
        mLocalLog.dump(fd, pw, args);
        pw.decreaseIndent();

        pw.println("mSmsOutgoingErrorCodes:");
        pw.increaseIndent();
        mSmsOutgoingErrorCodes.dump(fd, pw, args);
        pw.decreaseIndent();

        pw.decreaseIndent();
    }
}