Do not set default contactless application without user interaction

Keep the default contactless apllication "not set" if user does not
select one from the Settings page.

Bug: 212610736
Test: Manual
Merged-In: I8e1d67528eca037f4f88380a96f8c542965a1981
Change-Id: I8e1d67528eca037f4f88380a96f8c542965a1981
(cherry picked from commit 09fd7c094b6aa6abeddb78da96a851eaed3abe0c)
(cherry picked from commit 81c5d8738f4e59dba0a976150e8866242677d012)
Merged-In:I8e1d67528eca037f4f88380a96f8c542965a1981

1 files changed, 3 insertions, 24 deletions

diff --git a/src/com/android/nfc/cardemulation/CardEmulationManager.java b/src/com/android/nfc/cardemulation/CardEmulationManager.java
index f6353942..a122920d 100644
--- a/src/com/android/nfc/cardemulation/CardEmulationManager.java
+++ b/src/com/android/nfc/cardemulation/CardEmulationManager.java
@@ -262,30 +262,9 @@ public class CardEmulationManager implements RegisteredServicesCache.Callback,
                 getDefaultServiceForCategory(userId, CardEmulation.CATEGORY_PAYMENT, true);
         if (DBG) Log.d(TAG, "Current default: " + defaultPaymentService);
         if (defaultPaymentService == null) {
-            // A payment service may have been removed, leaving only one;
-            // in that case, automatically set that app as default.
-            int numPaymentServices = 0;
-            ComponentName lastFoundPaymentService = null;
-            for (ApduServiceInfo service : services) {
-                if (service.hasCategory(CardEmulation.CATEGORY_PAYMENT))  {
-                    numPaymentServices++;
-                    lastFoundPaymentService = service.getComponent();
-                }
-            }
-            if (numPaymentServices > 1) {
-                // More than one service left, leave default unset
-                if (DBG) Log.d(TAG, "No default set, more than one service left.");
-                setDefaultServiceForCategoryChecked(userId, null, CardEmulation.CATEGORY_PAYMENT);
-            } else if (numPaymentServices == 1) {
-                // Make single found payment service the default
-                if (DBG) Log.d(TAG, "No default set, making single service default.");
-                setDefaultServiceForCategoryChecked(userId, lastFoundPaymentService,
-                        CardEmulation.CATEGORY_PAYMENT);
-            } else {
-                // No payment services left, leave default at null
-                if (DBG) Log.d(TAG, "No default set, last payment service removed.");
-                setDefaultServiceForCategoryChecked(userId, null, CardEmulation.CATEGORY_PAYMENT);
-            }
+            // A payment service may have been removed, set default payment selection to "not set".
+            if (DBG) Log.d(TAG, "No default set, last payment service removed.");
+            setDefaultServiceForCategoryChecked(userId, null, CardEmulation.CATEGORY_PAYMENT);
         }
     }