Migrate to androidx packages (#105)

11 files changed, 83 insertions, 96 deletions

diff --git a/src/main/AndroidManifest.xml b/src/main/AndroidManifest.xml
index 3d4537d..3310f4c 100644
--- a/src/main/AndroidManifest.xml
+++ b/src/main/AndroidManifest.xml
@@ -28,7 +28,7 @@
     <uses-permission android:name="android.permission.WRITE_SYNC_SETTINGS" />
     <uses-permission android:name="android.permission.SEND_SMS" />
     <application android:allowBackup="false"
-                 android:name="android.support.multidex.MultiDexApplication">
+                 android:name="androidx.multidex.MultiDexApplication">
         <meta-data
             android:name="mobly-snippets"
             android:value="com.google.android.mobly.snippet.bundled.AccountSnippet,
diff --git a/src/main/java/com/google/android/mobly/snippet/bundled/AccountSnippet.java b/src/main/java/com/google/android/mobly/snippet/bundled/AccountSnippet.java
index f8499b4..c7f576b 100644
--- a/src/main/java/com/google/android/mobly/snippet/bundled/AccountSnippet.java
+++ b/src/main/java/com/google/android/mobly/snippet/bundled/AccountSnippet.java
@@ -24,7 +24,7 @@ import android.content.ContentResolver;
 import android.content.Context;
 import android.content.SyncAdapterType;
 import android.os.Bundle;
-import android.support.test.InstrumentationRegistry;
+import androidx.test.platform.app.InstrumentationRegistry;
 import com.google.android.mobly.snippet.Snippet;
 import com.google.android.mobly.snippet.rpc.Rpc;
 import com.google.android.mobly.snippet.util.Log;
@@ -68,7 +68,7 @@ public class AccountSnippet implements Snippet {
     private final ReentrantReadWriteLock mLock;
 
     public AccountSnippet() {
-        Context context = InstrumentationRegistry.getContext();
+        Context context = InstrumentationRegistry.getInstrumentation().getContext();
         mAccountManager = AccountManager.get(context);
         mSyncStatusObserverHandles = new LinkedList<>();
         mSyncWhitelist = new HashMap<>();
@@ -86,8 +86,8 @@ public class AccountSnippet implements Snippet {
      * @param password Password of the account to add.
      */
     @Rpc(
-        description = "Add a Google (GMail) account to the device, with account data sync disabled."
-    )
+            description =
+                    "Add a Google (GMail) account to the device, with account data sync disabled.")
     public void addAccount(String username, String password)
             throws AccountSnippetException, AccountsException, IOException {
         // Check for existing account. If we try to re-add an existing account, Android throws an
diff --git a/src/main/java/com/google/android/mobly/snippet/bundled/AudioSnippet.java b/src/main/java/com/google/android/mobly/snippet/bundled/AudioSnippet.java
index e435a72..fbdb5d0 100644
--- a/src/main/java/com/google/android/mobly/snippet/bundled/AudioSnippet.java
+++ b/src/main/java/com/google/android/mobly/snippet/bundled/AudioSnippet.java
@@ -18,7 +18,7 @@ package com.google.android.mobly.snippet.bundled;
 
 import android.content.Context;
 import android.media.AudioManager;
-import android.support.test.InstrumentationRegistry;
+import androidx.test.platform.app.InstrumentationRegistry;
 import com.google.android.mobly.snippet.Snippet;
 import com.google.android.mobly.snippet.rpc.Rpc;
 import java.lang.reflect.Method;
@@ -29,7 +29,7 @@ public class AudioSnippet implements Snippet {
     private final AudioManager mAudioManager;
 
     public AudioSnippet() {
-        Context context = InstrumentationRegistry.getContext();
+        Context context = InstrumentationRegistry.getInstrumentation().getContext();
         mAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
     }
 
@@ -44,7 +44,7 @@ public class AudioSnippet implements Snippet {
     }
 
     @Rpc(description = "Gets the music stream volume.")
-    public int getMusicVolume() {
+    public Integer getMusicVolume() {
         return mAudioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
     }
 
@@ -54,17 +54,16 @@ public class AudioSnippet implements Snippet {
     }
 
     @Rpc(
-        description =
-                "Sets the music stream volume. The minimum value is 0. Use 'getMusicMaxVolume'"
-                        + " to determine the maximum."
-    )
+            description =
+                    "Sets the music stream volume. The minimum value is 0. Use 'getMusicMaxVolume'"
+                            + " to determine the maximum.")
     public void setMusicVolume(Integer value) {
         mAudioManager.setStreamVolume(
                 AudioManager.STREAM_MUSIC, value, 0 /* flags, 0 = no flags */);
     }
 
     @Rpc(description = "Gets the ringer volume.")
-    public int getRingVolume() {
+    public Integer getRingVolume() {
         return mAudioManager.getStreamVolume(AudioManager.STREAM_RING);
     }
 
@@ -74,16 +73,15 @@ public class AudioSnippet implements Snippet {
     }
 
     @Rpc(
-        description =
-                "Sets the ringer stream volume. The minimum value is 0. Use 'getRingMaxVolume'"
-                        + " to determine the maximum."
-    )
+            description =
+                    "Sets the ringer stream volume. The minimum value is 0. Use 'getRingMaxVolume'"
+                            + " to determine the maximum.")
     public void setRingVolume(Integer value) {
         mAudioManager.setStreamVolume(AudioManager.STREAM_RING, value, 0 /* flags, 0 = no flags */);
     }
-    
+
     @Rpc(description = "Gets the voice call volume.")
-    public int getVoiceCallVolume() {
+    public Integer getVoiceCallVolume() {
         return mAudioManager.getStreamVolume(AudioManager.STREAM_VOICE_CALL);
     }
 
@@ -93,13 +91,12 @@ public class AudioSnippet implements Snippet {
     }
 
     @Rpc(
-        description =
-                "Sets the voice call stream volume. The minimum value is 0. Use"
-                        + " 'getVoiceCallMaxVolume' to determine the maximum."
-    )
+            description =
+                    "Sets the voice call stream volume. The minimum value is 0. Use"
+                            + " 'getVoiceCallMaxVolume' to determine the maximum.")
     public void setVoiceCallVolume(Integer value) {
-        mAudioManager.setStreamVolume(AudioManager.STREAM_VOICE_CALL,
-            value, 0 /* flags, 0 = no flags */);
+        mAudioManager.setStreamVolume(
+                AudioManager.STREAM_VOICE_CALL, value, 0 /* flags, 0 = no flags */);
     }
 
     @Rpc(description = "Silences all audio streams.")
@@ -115,10 +112,9 @@ public class AudioSnippet implements Snippet {
     }
 
     @Rpc(
-        description =
-                "Puts the ringer volume at the lowest setting, but does not set it to "
-                        + "DO NOT DISTURB; the phone will vibrate when receiving a call."
-    )
+            description =
+                    "Puts the ringer volume at the lowest setting, but does not set it to "
+                            + "DO NOT DISTURB; the phone will vibrate when receiving a call.")
     public void muteRing() {
         setRingVolume(0);
     }
diff --git a/src/main/java/com/google/android/mobly/snippet/bundled/FileSnippet.java b/src/main/java/com/google/android/mobly/snippet/bundled/FileSnippet.java
index f6b6918..a1e9d83 100644
--- a/src/main/java/com/google/android/mobly/snippet/bundled/FileSnippet.java
+++ b/src/main/java/com/google/android/mobly/snippet/bundled/FileSnippet.java
@@ -19,7 +19,7 @@ package com.google.android.mobly.snippet.bundled;
 import android.content.Context;
 import android.net.Uri;
 import android.os.ParcelFileDescriptor;
-import android.support.test.InstrumentationRegistry;
+import androidx.test.platform.app.InstrumentationRegistry;
 import com.google.android.mobly.snippet.Snippet;
 import com.google.android.mobly.snippet.bundled.utils.Utils;
 import com.google.android.mobly.snippet.rpc.Rpc;
@@ -34,7 +34,7 @@ public class FileSnippet implements Snippet {
     private final Context mContext;
 
     public FileSnippet() {
-        mContext = InstrumentationRegistry.getContext();
+        mContext = InstrumentationRegistry.getInstrumentation().getContext();
     }
 
     private static class FileSnippetException extends Exception {
diff --git a/src/main/java/com/google/android/mobly/snippet/bundled/NetworkingSnippet.java b/src/main/java/com/google/android/mobly/snippet/bundled/NetworkingSnippet.java
index e89fc12..636c0fd 100644
--- a/src/main/java/com/google/android/mobly/snippet/bundled/NetworkingSnippet.java
+++ b/src/main/java/com/google/android/mobly/snippet/bundled/NetworkingSnippet.java
@@ -23,7 +23,7 @@ import android.content.Intent;
 import android.content.IntentFilter;
 import android.net.Uri;
 import android.os.Environment;
-import android.support.test.InstrumentationRegistry;
+import androidx.test.platform.app.InstrumentationRegistry;
 import com.google.android.mobly.snippet.Snippet;
 import com.google.android.mobly.snippet.bundled.utils.Utils;
 import com.google.android.mobly.snippet.rpc.Rpc;
@@ -44,7 +44,7 @@ public class NetworkingSnippet implements Snippet {
     private volatile long mReqid = 0;
 
     public NetworkingSnippet() {
-        mContext = InstrumentationRegistry.getContext();
+        mContext = InstrumentationRegistry.getInstrumentation().getContext();
         mDownloadManager = (DownloadManager) mContext.getSystemService(Context.DOWNLOAD_SERVICE);
     }
 
@@ -78,10 +78,9 @@ public class NetworkingSnippet implements Snippet {
     }
 
     @Rpc(
-        description =
-                "Download a file using HTTP. Return content Uri (file remains on device). "
-                        + "The Uri should be treated as an opaque handle for further operations."
-    )
+            description =
+                    "Download a file using HTTP. Return content Uri (file remains on device). "
+                            + "The Uri should be treated as an opaque handle for further operations.")
     public String networkHttpDownload(String url)
             throws IllegalArgumentException, NetworkingSnippetException {
 
diff --git a/src/main/java/com/google/android/mobly/snippet/bundled/NotificationSnippet.java b/src/main/java/com/google/android/mobly/snippet/bundled/NotificationSnippet.java
index a07b231..1c34264 100644
--- a/src/main/java/com/google/android/mobly/snippet/bundled/NotificationSnippet.java
+++ b/src/main/java/com/google/android/mobly/snippet/bundled/NotificationSnippet.java
@@ -16,8 +16,8 @@
 
 package com.google.android.mobly.snippet.bundled;
 
-import android.support.test.InstrumentationRegistry;
 import android.widget.Toast;
+import androidx.test.platform.app.InstrumentationRegistry;
 import com.google.android.mobly.snippet.Snippet;
 import com.google.android.mobly.snippet.rpc.Rpc;
 import com.google.android.mobly.snippet.rpc.RunOnUiThread;
@@ -28,7 +28,11 @@ public class NotificationSnippet implements Snippet {
     @RunOnUiThread
     @Rpc(description = "Make a toast on screen.")
     public void makeToast(String message) {
-        Toast.makeText(InstrumentationRegistry.getContext(), message, Toast.LENGTH_LONG).show();
+        Toast.makeText(
+                        InstrumentationRegistry.getInstrumentation().getContext(),
+                        message,
+                        Toast.LENGTH_LONG)
+                .show();
     }
 
     @Override
diff --git a/src/main/java/com/google/android/mobly/snippet/bundled/SmsSnippet.java b/src/main/java/com/google/android/mobly/snippet/bundled/SmsSnippet.java
index ec6d470..be41e9e 100644
--- a/src/main/java/com/google/android/mobly/snippet/bundled/SmsSnippet.java
+++ b/src/main/java/com/google/android/mobly/snippet/bundled/SmsSnippet.java
@@ -26,9 +26,9 @@ import android.content.IntentFilter;
 import android.os.Build;
 import android.os.Bundle;
 import android.provider.Telephony.Sms.Intents;
-import android.support.test.InstrumentationRegistry;
 import android.telephony.SmsManager;
 import android.telephony.SmsMessage;
+import androidx.test.platform.app.InstrumentationRegistry;
 import com.google.android.mobly.snippet.Snippet;
 import com.google.android.mobly.snippet.bundled.utils.Utils;
 import com.google.android.mobly.snippet.event.EventCache;
@@ -62,7 +62,7 @@ public class SmsSnippet implements Snippet {
     private final SmsManager mSmsManager;
 
     public SmsSnippet() {
-        this.mContext = InstrumentationRegistry.getContext();
+        this.mContext = InstrumentationRegistry.getInstrumentation().getContext();
         this.mSmsManager = SmsManager.getDefault();
     }
 
diff --git a/src/main/java/com/google/android/mobly/snippet/bundled/TelephonySnippet.java b/src/main/java/com/google/android/mobly/snippet/bundled/TelephonySnippet.java
index 431456d..fbb3041 100644
--- a/src/main/java/com/google/android/mobly/snippet/bundled/TelephonySnippet.java
+++ b/src/main/java/com/google/android/mobly/snippet/bundled/TelephonySnippet.java
@@ -17,8 +17,8 @@
 package com.google.android.mobly.snippet.bundled;
 
 import android.content.Context;
-import android.support.test.InstrumentationRegistry;
 import android.telephony.TelephonyManager;
+import androidx.test.platform.app.InstrumentationRegistry;
 import com.google.android.mobly.snippet.Snippet;
 import com.google.android.mobly.snippet.rpc.Rpc;
 
@@ -28,7 +28,7 @@ public class TelephonySnippet implements Snippet {
     private final TelephonyManager mTelephonyManager;
 
     public TelephonySnippet() {
-        Context context = InstrumentationRegistry.getContext();
+        Context context = InstrumentationRegistry.getInstrumentation().getContext();
         mTelephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
     }
 
@@ -43,10 +43,9 @@ public class TelephonySnippet implements Snippet {
     }
 
     @Rpc(
-        description =
-                "Gets the call state for the default subscription. Call state values are"
-                        + "0: IDLE, 1: RINGING, 2: OFFHOOK"
-    )
+            description =
+                    "Gets the call state for the default subscription. Call state values are"
+                            + "0: IDLE, 1: RINGING, 2: OFFHOOK")
     public int getTelephonyCallState() {
         return mTelephonyManager.getCallState();
     }
diff --git a/src/main/java/com/google/android/mobly/snippet/bundled/WifiManagerSnippet.java b/src/main/java/com/google/android/mobly/snippet/bundled/WifiManagerSnippet.java
index 768fb4c..3d96e4d 100644
--- a/src/main/java/com/google/android/mobly/snippet/bundled/WifiManagerSnippet.java
+++ b/src/main/java/com/google/android/mobly/snippet/bundled/WifiManagerSnippet.java
@@ -25,8 +25,8 @@ import android.net.wifi.WifiConfiguration;
 import android.net.wifi.WifiInfo;
 import android.net.wifi.WifiManager;
 import android.os.Build;
-import android.support.annotation.Nullable;
-import android.support.test.InstrumentationRegistry;
+import androidx.annotation.Nullable;
+import androidx.test.platform.app.InstrumentationRegistry;
 import com.google.android.mobly.snippet.Snippet;
 import com.google.android.mobly.snippet.bundled.utils.JsonDeserializer;
 import com.google.android.mobly.snippet.bundled.utils.JsonSerializer;
@@ -57,17 +57,16 @@ public class WifiManagerSnippet implements Snippet {
     private volatile boolean mIsScanResultAvailable = false;
 
     public WifiManagerSnippet() {
-        mContext = InstrumentationRegistry.getContext();
+        mContext = InstrumentationRegistry.getInstrumentation().getContext();
         mWifiManager =
                 (WifiManager)
                         mContext.getApplicationContext().getSystemService(Context.WIFI_SERVICE);
     }
 
     @Rpc(
-        description =
-                "Clears all configured networks. This will only work if all configured "
-                        + "networks were added through this MBS instance"
-    )
+            description =
+                    "Clears all configured networks. This will only work if all configured "
+                            + "networks were added through this MBS instance")
     public void wifiClearConfiguredNetworks() throws WifiManagerSnippetException {
         List<WifiConfiguration> unremovedConfigs = mWifiManager.getConfiguredNetworks();
         List<WifiConfiguration> failedConfigs = new ArrayList<>();
@@ -148,9 +147,8 @@ public class WifiManagerSnippet implements Snippet {
     }
 
     @Rpc(
-        description =
-                "Get Wi-Fi scan results, which is a list of serialized WifiScanResult objects."
-    )
+            description =
+                    "Get Wi-Fi scan results, which is a list of serialized WifiScanResult objects.")
     public JSONArray wifiGetCachedScanResults() throws JSONException {
         JSONArray results = new JSONArray();
         for (ScanResult result : mWifiManager.getScanResults()) {
@@ -160,10 +158,9 @@ public class WifiManagerSnippet implements Snippet {
     }
 
     @Rpc(
-        description =
-                "Start scan, wait for scan to complete, and return results, which is a list of "
-                        + "serialized WifiScanResult objects."
-    )
+            description =
+                    "Start scan, wait for scan to complete, and return results, which is a list of "
+                            + "serialized WifiScanResult objects.")
     public JSONArray wifiScanAndGetResults()
             throws InterruptedException, JSONException, WifiManagerSnippetException {
         mContext.registerReceiver(
@@ -179,10 +176,9 @@ public class WifiManagerSnippet implements Snippet {
     }
 
     @Rpc(
-        description =
-                "Connects to a Wi-Fi network. This covers the common network types like open and "
-                        + "WPA2."
-    )
+            description =
+                    "Connects to a Wi-Fi network. This covers the common network types like open and "
+                            + "WPA2.")
     public void wifiConnectSimple(String ssid, @Nullable String password)
             throws InterruptedException, JSONException, WifiManagerSnippetException {
         JSONObject config = new JSONObject();
@@ -277,10 +273,9 @@ public class WifiManagerSnippet implements Snippet {
     }
 
     @Rpc(
-        description =
-                "Forget a configured Wi-Fi network by its network ID, which is part of the"
-                        + " WifiConfiguration."
-    )
+            description =
+                    "Forget a configured Wi-Fi network by its network ID, which is part of the"
+                            + " WifiConfiguration.")
     public void wifiRemoveNetwork(Integer networkId) throws WifiManagerSnippetException {
         if (!mWifiManager.removeNetwork(networkId)) {
             throw new WifiManagerSnippetException("Failed to remove network of ID: " + networkId);
@@ -288,10 +283,9 @@ public class WifiManagerSnippet implements Snippet {
     }
 
     @Rpc(
-        description =
-                "Get the list of configured Wi-Fi networks, each is a serialized "
-                        + "WifiConfiguration object."
-    )
+            description =
+                    "Get the list of configured Wi-Fi networks, each is a serialized "
+                            + "WifiConfiguration object.")
     public List<JSONObject> wifiGetConfiguredNetworks() throws JSONException {
         List<JSONObject> networks = new ArrayList<>();
         for (WifiConfiguration config : mWifiManager.getConfiguredNetworks()) {
@@ -307,19 +301,17 @@ public class WifiManagerSnippet implements Snippet {
     }
 
     @Rpc(
-        description =
-                "Get the information about the active Wi-Fi connection, which is a serialized "
-                        + "WifiInfo object."
-    )
+            description =
+                    "Get the information about the active Wi-Fi connection, which is a serialized "
+                            + "WifiInfo object.")
     public JSONObject wifiGetConnectionInfo() throws JSONException {
         return mJsonSerializer.toJson(mWifiManager.getConnectionInfo());
     }
 
     @Rpc(
-        description =
-                "Get the info from last successful DHCP request, which is a serialized DhcpInfo "
-                        + "object."
-    )
+            description =
+                    "Get the info from last successful DHCP request, which is a serialized DhcpInfo "
+                            + "object.")
     public JSONObject wifiGetDhcpInfo() throws JSONException {
         return mJsonSerializer.toJson(mWifiManager.getDhcpInfo());
     }
diff --git a/src/main/java/com/google/android/mobly/snippet/bundled/bluetooth/BluetoothAdapterSnippet.java b/src/main/java/com/google/android/mobly/snippet/bundled/bluetooth/BluetoothAdapterSnippet.java
index 37e7c5f..14393be 100644
--- a/src/main/java/com/google/android/mobly/snippet/bundled/bluetooth/BluetoothAdapterSnippet.java
+++ b/src/main/java/com/google/android/mobly/snippet/bundled/bluetooth/BluetoothAdapterSnippet.java
@@ -23,7 +23,7 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.os.Bundle;
-import android.support.test.InstrumentationRegistry;
+import androidx.test.platform.app.InstrumentationRegistry;
 import com.google.android.mobly.snippet.Snippet;
 import com.google.android.mobly.snippet.bundled.utils.JsonSerializer;
 import com.google.android.mobly.snippet.bundled.utils.Utils;
@@ -55,7 +55,7 @@ public class BluetoothAdapterSnippet implements Snippet {
     private volatile boolean mIsDiscoveryFinished = false;
 
     public BluetoothAdapterSnippet() {
-        mContext = InstrumentationRegistry.getContext();
+        mContext = InstrumentationRegistry.getInstrumentation().getContext();
     }
 
     /**
@@ -138,9 +138,8 @@ public class BluetoothAdapterSnippet implements Snippet {
     }
 
     @Rpc(
-        description =
-                "Get bluetooth discovery results, which is a list of serialized BluetoothDevice objects."
-    )
+            description =
+                    "Get bluetooth discovery results, which is a list of serialized BluetoothDevice objects.")
     public ArrayList<Bundle> btGetCachedScanResults() {
         return mJsonSerializer.serializeBluetoothDeviceList(mDiscoveryResults.values());
     }
@@ -168,10 +167,9 @@ public class BluetoothAdapterSnippet implements Snippet {
     }
 
     @Rpc(
-        description =
-                "Start discovery, wait for discovery to complete, and return results, which is a list of "
-                        + "serialized BluetoothDevice objects."
-    )
+            description =
+                    "Start discovery, wait for discovery to complete, and return results, which is a list of "
+                            + "serialized BluetoothDevice objects.")
     public List<Bundle> btDiscoverAndGetResults()
             throws InterruptedException, BluetoothAdapterSnippetException {
         IntentFilter filter = new IntentFilter(BluetoothDevice.ACTION_FOUND);
diff --git a/src/main/java/com/google/android/mobly/snippet/bundled/bluetooth/profiles/BluetoothA2dpSnippet.java b/src/main/java/com/google/android/mobly/snippet/bundled/bluetooth/profiles/BluetoothA2dpSnippet.java
index b218723..ec148ca 100644
--- a/src/main/java/com/google/android/mobly/snippet/bundled/bluetooth/profiles/BluetoothA2dpSnippet.java
+++ b/src/main/java/com/google/android/mobly/snippet/bundled/bluetooth/profiles/BluetoothA2dpSnippet.java
@@ -9,7 +9,7 @@ import android.content.Context;
 import android.content.IntentFilter;
 import android.os.Build;
 import android.os.Bundle;
-import android.support.test.InstrumentationRegistry;
+import androidx.test.platform.app.InstrumentationRegistry;
 import com.google.android.mobly.snippet.Snippet;
 import com.google.android.mobly.snippet.bundled.bluetooth.BluetoothAdapterSnippet;
 import com.google.android.mobly.snippet.bundled.bluetooth.PairingBroadcastReceiver;
@@ -34,7 +34,7 @@ public class BluetoothA2dpSnippet implements Snippet {
     private final JsonSerializer mJsonSerializer = new JsonSerializer();
 
     public BluetoothA2dpSnippet() {
-        mContext = InstrumentationRegistry.getContext();
+        mContext = InstrumentationRegistry.getInstrumentation().getContext();
         BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
         bluetoothAdapter.getProfileProxy(
                 mContext, new A2dpServiceListener(), BluetoothProfile.A2DP);
@@ -55,10 +55,9 @@ public class BluetoothA2dpSnippet implements Snippet {
     @TargetApi(Build.VERSION_CODES.KITKAT)
     @RpcMinSdk(Build.VERSION_CODES.KITKAT)
     @Rpc(
-        description =
-                "Connects to a paired or discovered device with A2DP profile."
-                        + "If a device has been discovered but not paired, this will pair it."
-    )
+            description =
+                    "Connects to a paired or discovered device with A2DP profile."
+                            + "If a device has been discovered but not paired, this will pair it.")
     public void btA2dpConnect(String deviceAddress) throws Throwable {
         BluetoothDevice device = BluetoothAdapterSnippet.getKnownDeviceByAddress(deviceAddress);
         IntentFilter filter = new IntentFilter(BluetoothDevice.ACTION_PAIRING_REQUEST);