Merge "leaudio: Add method to get device group lead" (673f938b) · Commits · e / os / android_packages_modules_Bluetooth

android/app/src/com/android/bluetooth/le_audio/LeAudioService.java

+5 −10

Original line number	Diff line number	Diff line
		@@ -364,13 +364,8 @@ public class LeAudioService extends ProfileService {
		}
		}

		public List<BluetoothDevice> getConnectedGroupLeadDevices() {
		List<BluetoothDevice> devices = new ArrayList<>();
		for (Map.Entry<Integer, LeAudioGroupDescriptor> entry : mGroupDescriptors.entrySet()) {
		Integer groupId = entry.getKey();
		devices.add(getFirstDeviceFromGroup(groupId));
		}
		return devices;
		public BluetoothDevice getConnectedGroupLeadDevice(int groupId) {
		return getFirstDeviceFromGroup(groupId);
		}

		List<BluetoothDevice> getDevicesMatchingConnectionStates(int[] states) {
		@@ -1321,13 +1316,13 @@ public class LeAudioService extends ProfileService {
		}

		@Override
		public void getConnectedGroupLeadDevices(AttributionSource source,
		public void getConnectedGroupLeadDevice(int groupId, AttributionSource source,
		SynchronousResultReceiver receiver) {
		try {
		LeAudioService service = getService(source);
		List<BluetoothDevice> defaultValue = new ArrayList<>(0);
		BluetoothDevice defaultValue = null;
		if (service != null) {
		defaultValue = service.getConnectedGroupLeadDevices();
		defaultValue = service.getConnectedGroupLeadDevice(groupId);
		}
		receiver.send(defaultValue);
		} catch (RuntimeException e) {

framework/java/android/bluetooth/BluetoothLeAudio.java

+39 −0

Original line number	Diff line number	Diff line
		@@ -458,6 +458,45 @@ public final class BluetoothLeAudio implements BluetoothProfile, AutoCloseable {
		return defaultValue;
		}

		/**
		* Get lead device for a group.
		*
		* Lead device is the device that can be used as an active device in the system.
		* Active devices points to the Audio Device for the Le Audio group.
		* This method returns a list of Lead devices for all the connected LE Audio
		* groups and those devices should be used in the setActiveDevice() method by other parts
		* of the system, which wants to setActive a particular Le Audio Group.
		*
		* Note: getActiveDevice() returns the Lead device for the currently active LE Audio group.
		* Note: When lead device gets disconnected, there will be new lead device for the group.
		*
		* @param groupId The group id.
		* @return group lead device.
		*/
		@RequiresBluetoothConnectPermission
		@RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
		public @Nullable BluetoothDevice getConnectedGroupLeadDevice(int groupId) {
		if (VDBG) log("getConnectedGroupLeadDevice()");
		final IBluetoothLeAudio service = getService();
		final BluetoothDevice defaultValue = null;
		if (service == null) {
		Log.w(TAG, "Proxy not attached to service");
		if (DBG) log(Log.getStackTraceString(new Throwable()));
		} else if (mAdapter.isEnabled()) {
		try {
		final SynchronousResultReceiver<BluetoothDevice> recv =
		new SynchronousResultReceiver();
		service.getConnectedGroupLeadDevice(groupId, mAttributionSource, recv);
		return Attributable.setAttributionSource(
		recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue),
		mAttributionSource);
		} catch (RemoteException \| TimeoutException e) {
		Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
		}
		}
		return defaultValue;
		}

		/**
		* {@inheritDoc}
		*/

system/binder/android/bluetooth/IBluetoothLeAudio.aidl

+1 −1

Original line number	Diff line number	Diff line
		@@ -48,7 +48,7 @@ oneway interface IBluetoothLeAudio {
		@JavaPassthrough(annotation="@android.annotation.RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)")
		void getConnectionPolicy(in BluetoothDevice device, in AttributionSource attributionSource, in SynchronousResultReceiver receiver);
		@JavaPassthrough(annotation="@android.annotation.RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)")
		void getConnectedGroupLeadDevices(in AttributionSource attributionSource, in SynchronousResultReceiver receiver);
		void getConnectedGroupLeadDevice(int groupId, in AttributionSource attributionSource, in SynchronousResultReceiver receiver);

		/* Same value as bluetooth::groups::kGroupUnknown */
		const int LE_AUDIO_GROUP_ID_INVALID = -1;