Merge "[LeBroadcast] Fix the NullPointerException for launching dialog" into tm-qpr-dev

packages/SettingsLib/src/com/android/settingslib/bluetooth/LocalBluetoothLeBroadcast.java

@@ -303,6 +303,18 @@ public class LocalBluetoothLeBroadcast implements LocalBluetoothProfile {
     }
 
     public BluetoothLeBroadcastMetadata getLatestBluetoothLeBroadcastMetadata() {
+        if (mService == null) {
+            Log.d(TAG, "The BluetoothLeBroadcast is null");
+            return null;
+        }
+        if (mBluetoothLeBroadcastMetadata == null) {
+            final List<BluetoothLeBroadcastMetadata> metadataList =
+                    mService.getAllBroadcastMetadata();
+            mBluetoothLeBroadcastMetadata = metadataList.stream()
+                    .filter(i -> i.getBroadcastId() == mBroadcastId)
+                    .findFirst()
+                    .orElse(null);
+        }
         return mBluetoothLeBroadcastMetadata;
     }
 
@@ -372,7 +384,12 @@ public class LocalBluetoothLeBroadcast implements LocalBluetoothProfile {
     }
 
     public LocalBluetoothLeBroadcastMetadata getLocalBluetoothLeBroadcastMetaData() {
-        return new LocalBluetoothLeBroadcastMetadata(mBluetoothLeBroadcastMetadata);
+        final BluetoothLeBroadcastMetadata metadata = getLatestBluetoothLeBroadcastMetadata();
+        if (metadata == null) {
+            Log.d(TAG, "The BluetoothLeBroadcastMetadata is null.");
+            return null;
+        }
+        return new LocalBluetoothLeBroadcastMetadata(metadata);
     }
 
     public boolean isProfileReady() {

packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputBaseDialog.java

@@ -101,6 +101,7 @@ public abstract class MediaOutputBaseDialog extends SystemUIDialog implements
     private int mListMaxHeight;
     private WallpaperColors mWallpaperColors;
     private Executor mExecutor;
+    private boolean mShouldLaunchLeBroadcastDialog;
 
     MediaOutputBaseAdapter mAdapter;
 
@@ -399,7 +400,9 @@ public abstract class MediaOutputBaseDialog extends SystemUIDialog implements
     }
 
     public void handleLeBroadcastStarted() {
-        startLeBroadcastDialog();
+        // Waiting for the onBroadcastMetadataChanged. The UI launchs the broadcast dialog when
+        // the metadata is ready.
+        mShouldLaunchLeBroadcastDialog = true;
     }
 
     public void handleLeBroadcastStartFailed() {
@@ -409,10 +412,15 @@ public abstract class MediaOutputBaseDialog extends SystemUIDialog implements
     }
 
     public void handleLeBroadcastMetadataChanged() {
+        if (mShouldLaunchLeBroadcastDialog) {
+            startLeBroadcastDialog();
+            mShouldLaunchLeBroadcastDialog = false;
+        }
         refresh();
     }
 
     public void handleLeBroadcastStopped() {
+        mShouldLaunchLeBroadcastDialog = false;
         refresh();
     }
 

packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputController.java

@@ -62,6 +62,7 @@ import com.android.settingslib.RestrictedLockUtilsInternal;
 import com.android.settingslib.Utils;
 import com.android.settingslib.bluetooth.BluetoothUtils;
 import com.android.settingslib.bluetooth.LocalBluetoothLeBroadcast;
+import com.android.settingslib.bluetooth.LocalBluetoothLeBroadcastMetadata;
 import com.android.settingslib.bluetooth.LocalBluetoothManager;
 import com.android.settingslib.media.InfoMediaManager;
 import com.android.settingslib.media.LocalMediaManager;
@@ -834,7 +835,9 @@ public class MediaOutputController implements LocalMediaManager.DeviceCallback,
             Log.d(TAG, "getBroadcastMetadata: LE Audio Broadcast is null");
             return "";
         }
-        return broadcast.getLocalBluetoothLeBroadcastMetaData().convertToQrCodeString();
+        final LocalBluetoothLeBroadcastMetadata metadata =
+                broadcast.getLocalBluetoothLeBroadcastMetaData();
+        return metadata != null ? metadata.convertToQrCodeString() : "";
     }
 
     boolean isActiveRemoteDevice(@NonNull MediaDevice device) {