Revert "Revert "Pass in active device to all BluetoothA2dp APIs ..."

Revert submission 10303287-revert-10253996-bt-a2dp-no-null-FQRXACWPIA

Reason for revert: Fixing breakage
Reverted Changes:
I4d9f2f819:Revert "Make sure calls to BluetoothA2dp APIs pass...
I771ca0d57:Revert "Need to now pass in active device instead ...
I76529c7a1:Revert "Pass in active device to all BluetoothA2dp...
I297bda68d:Revert "Require user pass in a non-null BluetoothD...
I525327959:Revert "Pass in active device to all BluetoothA2dp...
I1d8660b11:Revert "Pass in active device to all BluetoothA2dp...

Bug: 147287141
Test: robotests
Merged-In: I5aecfa4b5a8e371b914573ddd080acb98078bfca
Change-Id: I5aecfa4b5a8e371b914573ddd080acb98078bfca

src/com/android/settings/development/AbstractBluetoothA2dpPreferenceController.java

@@ -83,7 +83,11 @@ public abstract class AbstractBluetoothA2dpPreferenceController extends
         final BluetoothCodecConfig codecConfig = mBluetoothA2dpConfigStore.createCodecConfig();
         synchronized (mBluetoothA2dpConfigStore) {
             if (mBluetoothA2dp != null) {
-                setCodecConfigPreference(null, codecConfig);    // Use current active device
+                BluetoothDevice activeDevice = mBluetoothA2dp.getActiveDevice();
+                if (activeDevice == null) {
+                    return false;
+                }
+                setCodecConfigPreference(activeDevice, codecConfig);
             }
         }
         // Because the setting is not persisted into permanent storage, we cannot call update state
@@ -102,13 +106,17 @@ public abstract class AbstractBluetoothA2dpPreferenceController extends
 
     @Override
     public void updateState(Preference preference) {
-        if (getCodecConfig(null) == null || mPreference == null) { // Use current active device
+        if (mBluetoothA2dp == null) {
+            return;
+        }
+        BluetoothDevice activeDevice = mBluetoothA2dp.getActiveDevice();
+        if (activeDevice == null || getCodecConfig(activeDevice) == null || mPreference == null) {
             return;
         }
 
         BluetoothCodecConfig codecConfig;
         synchronized (mBluetoothA2dpConfigStore) {
-            codecConfig = getCodecConfig(null);         // Use current active device
+            codecConfig = getCodecConfig(activeDevice);
         }
 
         final int index = getCurrentA2dpSettingIndex(codecConfig);
@@ -178,13 +186,26 @@ public abstract class AbstractBluetoothA2dpPreferenceController extends
     @VisibleForTesting
     void setCodecConfigPreference(BluetoothDevice device,
             BluetoothCodecConfig config) {
-        mBluetoothA2dp.setCodecConfigPreference(device, config);
+        if (mBluetoothA2dp == null) {
+            return;
+        }
+        BluetoothDevice bluetoothDevice =
+                (device != null) ? device : mBluetoothA2dp.getActiveDevice();
+        if (bluetoothDevice == null) {
+            return;
+        }
+        mBluetoothA2dp.setCodecConfigPreference(bluetoothDevice, config);
     }
 
     @VisibleForTesting
     BluetoothCodecConfig getCodecConfig(BluetoothDevice device) {
         if (mBluetoothA2dp != null) {
-            BluetoothCodecStatus codecStatus = mBluetoothA2dp.getCodecStatus(device);
+            BluetoothDevice bluetoothDevice =
+                    (device != null) ? device : mBluetoothA2dp.getActiveDevice();
+            if (bluetoothDevice == null) {
+                return null;
+            }
+            BluetoothCodecStatus codecStatus = mBluetoothA2dp.getCodecStatus(bluetoothDevice);
             if (codecStatus != null) {
                 return codecStatus.getCodecConfig();
             }

src/com/android/settings/development/BluetoothAudioCodecPreferenceController.java

@@ -17,6 +17,7 @@
 package com.android.settings.development;
 
 import android.bluetooth.BluetoothCodecConfig;
+import android.bluetooth.BluetoothDevice;
 import android.content.Context;
 
 import com.android.settings.R;
@@ -109,14 +110,22 @@ public class BluetoothAudioCodecPreferenceController extends
             case 6:
                 synchronized (mBluetoothA2dpConfigStore) {
                     if (mBluetoothA2dp != null) {
-                        mBluetoothA2dp.enableOptionalCodecs(null); // Use current active device
+                        BluetoothDevice activeDevice = mBluetoothA2dp.getActiveDevice();
+                        if (activeDevice == null) {
+                            return;
+                        }
+                        mBluetoothA2dp.enableOptionalCodecs(activeDevice);
                     }
                 }
                 return;
             case 7:
                 synchronized (mBluetoothA2dpConfigStore) {
                     if (mBluetoothA2dp != null) {
-                        mBluetoothA2dp.disableOptionalCodecs(null); // Use current active device
+                        BluetoothDevice activeDevice = mBluetoothA2dp.getActiveDevice();
+                        if (activeDevice == null) {
+                            return;
+                        }
+                        mBluetoothA2dp.disableOptionalCodecs(activeDevice);
                     }
                 }
                 return;