Merge "Change the intent string to callback method" (2376e0d8) · Commits · e / os / android_packages_modules_Bluetooth

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

+60 −0

Original line number	Diff line number	Diff line
		@@ -34,6 +34,7 @@ import android.bluetooth.BluetoothProfile;
		import android.bluetooth.BluetoothStatusCodes;
		import android.bluetooth.BluetoothUuid;
		import android.bluetooth.IBluetoothLeAudio;
		import android.bluetooth.IBluetoothLeAudioCallback;
		import android.bluetooth.IBluetoothLeBroadcastCallback;
		import android.content.AttributionSource;
		import android.content.BroadcastReceiver;
		@@ -123,6 +124,9 @@ public class LeAudioService extends ProfileService {
		@VisibleForTesting
		RemoteCallbackList<IBluetoothLeBroadcastCallback> mBroadcastCallbacks;

		@VisibleForTesting
		RemoteCallbackList<IBluetoothLeAudioCallback> mLeAudioCallbacks;

		private class LeAudioGroupDescriptor {
		LeAudioGroupDescriptor() {
		mIsConnected = false;
		@@ -215,6 +219,7 @@ public class LeAudioService extends ProfileService {
		filter.addAction(BluetoothLeAudio.ACTION_LE_AUDIO_CONNECTION_STATE_CHANGED);
		mConnectionStateChangedReceiver = new ConnectionStateChangedReceiver();
		registerReceiver(mConnectionStateChangedReceiver, filter);
		mLeAudioCallbacks = new RemoteCallbackList<IBluetoothLeAudioCallback>();

		// Initialize Broadcast native interface
		if (mAdapterService.isLeAudioBroadcastSourceSupported()) {
		@@ -291,6 +296,10 @@ public class LeAudioService extends ProfileService {
		mBroadcastCallbacks.kill();
		}

		if (mLeAudioCallbacks != null) {
		mLeAudioCallbacks.kill();
		}

		mBroadcastStateMap.clear();
		mBroadcastIdMap.clear();
		mBroadcastsPlaybackMap.clear();
		@@ -1500,6 +1509,21 @@ public class LeAudioService extends ProfileService {
		}
		}

		private void notifyUnicastCodecConfigChanged(int groupId,
		BluetoothLeAudioCodecStatus status) {
		if (mLeAudioCallbacks != null) {
		int n = mLeAudioCallbacks.beginBroadcast();
		for (int i = 0; i < n; i++) {
		try {
		mLeAudioCallbacks.getBroadcastItem(i).onCodecConfigChanged(groupId, status);
		} catch (RemoteException e) {
		continue;
		}
		}
		mLeAudioCallbacks.finishBroadcast();
		}
		}

		private void notifyBroadcastStarted(Integer instanceId, int reason) {
		if (!mBroadcastIdMap.containsKey(instanceId)) {
		Log.e(TAG, "Unknown Broadcast ID for broadcast instance: " + instanceId);
		@@ -1953,6 +1977,42 @@ public class LeAudioService extends ProfileService {
		}
		}

		@Override
		public void registerCallback(IBluetoothLeAudioCallback callback,
		AttributionSource source, SynchronousResultReceiver receiver) {
		LeAudioService service = getService(source);
		if ((service == null) \|\| (service.mLeAudioCallbacks == null)) {
		receiver.propagateException(new IllegalStateException("Service is unavailable"));
		return;
		}

		enforceBluetoothPrivilegedPermission(service);
		try {
		service.mLeAudioCallbacks.register(callback);
		receiver.send(null);
		} catch (RuntimeException e) {
		receiver.propagateException(e);
		}
		}

		@Override
		public void unregisterCallback(IBluetoothLeAudioCallback callback,
		AttributionSource source, SynchronousResultReceiver receiver) {
		LeAudioService service = getService(source);
		if ((service == null) \|\| (service.mLeAudioCallbacks == null)) {
		receiver.propagateException(new IllegalStateException("Service is unavailable"));
		return;
		}

		enforceBluetoothPrivilegedPermission(service);
		try {
		service.mLeAudioCallbacks.unregister(callback);
		receiver.send(null);
		} catch (RuntimeException e) {
		receiver.propagateException(e);
		}
		}

		@Override
		public void registerLeBroadcastCallback(IBluetoothLeBroadcastCallback callback,
		AttributionSource source, SynchronousResultReceiver receiver) {

framework/api/system-current.txt

+6 −0

Original line number	Diff line number	Diff line
		@@ -332,9 +332,11 @@ package android.bluetooth {
		method @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public int getAudioLocation(@NonNull android.bluetooth.BluetoothDevice);
		method @Nullable @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public android.bluetooth.BluetoothLeAudioCodecStatus getCodecStatus(@NonNull android.bluetooth.BluetoothDevice);
		method @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public int getConnectionPolicy(@Nullable android.bluetooth.BluetoothDevice);
		method @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public void registerCallback(@NonNull java.util.concurrent.Executor, @NonNull android.bluetooth.BluetoothLeAudio.Callback);
		method @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public void setCodecConfigPreference(@NonNull android.bluetooth.BluetoothDevice, @NonNull android.bluetooth.BluetoothLeAudioCodecConfig);
		method @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public boolean setConnectionPolicy(@NonNull android.bluetooth.BluetoothDevice, int);
		method @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public void setVolume(int);
		method @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public void unregisterCallback(@NonNull android.bluetooth.BluetoothLeAudio.Callback);
		field @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public static final String ACTION_LE_AUDIO_ACTIVE_DEVICE_CHANGED = "android.bluetooth.action.LE_AUDIO_ACTIVE_DEVICE_CHANGED";
		field @RequiresPermission(allOf={android.Manifest.permission.BLUETOOTH_CONNECT, android.Manifest.permission.BLUETOOTH_PRIVILEGED}) public static final String ACTION_LE_AUDIO_GROUP_NODE_STATUS_CHANGED = "android.bluetooth.action.LE_AUDIO_GROUP_NODE_STATUS_CHANGED";
		field @RequiresPermission(android.Manifest.permission.BLUETOOTH_PRIVILEGED) public static final String ACTION_LE_AUDIO_GROUP_STATUS_CHANGED = "android.bluetooth.action.LE_AUDIO_GROUP_STATUS_CHANGED";
		@@ -346,6 +348,10 @@ package android.bluetooth {
		field public static final int GROUP_NODE_REMOVED = 2; // 0x2
		}

		public static interface BluetoothLeAudio.Callback {
		method public void onCodecConfigChanged(int, @NonNull android.bluetooth.BluetoothLeAudioCodecStatus);
		}

		public final class BluetoothLeAudioCodecConfigMetadata implements android.os.Parcelable {
		method @NonNull public static android.bluetooth.BluetoothLeAudioCodecConfigMetadata fromRawBytes(@NonNull byte[]);
		method public long getAudioLocation();

framework/java/android/bluetooth/BluetoothLeAudio.java

+192 −17

Original line number	Diff line number	Diff line
		@@ -20,11 +20,13 @@ package android.bluetooth;
		import static android.bluetooth.BluetoothUtils.getSyncTimeout;

		import android.Manifest;
		import android.annotation.CallbackExecutor;
		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.annotation.RequiresPermission;
		import android.annotation.SdkConstant;
		import android.annotation.SdkConstant.SdkConstantType;
		import android.annotation.SuppressLint;
		import android.annotation.SystemApi;
		import android.bluetooth.annotations.RequiresBluetoothConnectPermission;
		import android.bluetooth.annotations.RequiresLegacyBluetoothPermission;
		@@ -38,7 +40,11 @@ import android.util.Log;
		import com.android.modules.utils.SynchronousResultReceiver;

		import java.util.ArrayList;
		import java.util.HashMap;
		import java.util.List;
		import java.util.Map;
		import java.util.Objects;
		import java.util.concurrent.Executor;
		import java.util.concurrent.TimeoutException;

		/**
		@@ -56,8 +62,45 @@ public final class BluetoothLeAudio implements BluetoothProfile, AutoCloseable {
		private static final boolean DBG = false;
		private static final boolean VDBG = false;

		private final Map<Callback, Executor> mCallbackExecutorMap = new HashMap<>();

		private CloseGuard mCloseGuard;

		/**
		* This class provides a callback that is invoked when audio codec config changes on
		* the remote device.
		*
		* @hide
		*/
		@SystemApi
		public interface Callback {
		/**
		* Callback invoked when callback is registered and when codec config
		* changes on the remote device.
		*
		* @param groupId the group id
		* @param status latest codec status for this group
		* @hide
		*/
		@SystemApi
		void onCodecConfigChanged(int groupId,
		@NonNull BluetoothLeAudioCodecStatus status);
		}

		@SuppressLint("AndroidFrameworkBluetoothPermission")
		private final IBluetoothLeAudioCallback mCallback = new IBluetoothLeAudioCallback.Stub() {
		@Override
		public void onCodecConfigChanged(int groupId,
		@NonNull BluetoothLeAudioCodecStatus status) {
		for (Map.Entry<BluetoothLeAudio.Callback, Executor> callbackExecutorEntry:
		mCallbackExecutorMap.entrySet()) {
		BluetoothLeAudio.Callback callback = callbackExecutorEntry.getKey();
		Executor executor = callbackExecutorEntry.getValue();
		executor.execute(() -> callback.onCodecConfigChanged(groupId, status));
		}
		}
		};

		/**
		* Intent used to broadcast the change in connection state of the LeAudio
		* profile. Please note that in the binaural case, there will be two different LE devices for
		@@ -166,23 +209,6 @@ public final class BluetoothLeAudio implements BluetoothProfile, AutoCloseable {
		public static final String ACTION_LE_AUDIO_CONF_CHANGED =
		"android.bluetooth.action.LE_AUDIO_CONF_CHANGED";

		/**
		* Intent used to broadcast the audio codec config changed information.
		*
		* <p>This intent will have 2 extras:
		* <ul>
		* <li> {@link BluetoothLeAudioCodecStatus#EXTRA_LE_AUDIO_CODEC_STATUS} - The codec status.
		* </li>
		* <li> {@link BluetoothDevice#EXTRA_DEVICE} - The remote device if the device is currently
		* connected, otherwise it is not included.</li>
		* </ul>
		*
		* @hide
		*/
		@RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED)
		@SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
		public static final String ACTION_LE_AUDIO_CODEC_CONFIG_CHANGED =
		"android.bluetooth.action.LE_AUDIO_CODEC_CONFIG_CHANGED";

		/**
		* Indicates unspecified audio content.
		@@ -377,6 +403,37 @@ public final class BluetoothLeAudio implements BluetoothProfile, AutoCloseable {
		}
		};


		@SuppressLint("AndroidFrameworkBluetoothPermission")
		private final IBluetoothStateChangeCallback mBluetoothStateChangeCallback =
		new IBluetoothStateChangeCallback.Stub() {
		public void onBluetoothStateChange(boolean up) {
		if (DBG) Log.d(TAG, "onBluetoothStateChange: up=" + up);
		if (up) {
		// re-register the service-to-app callback
		synchronized (mCallbackExecutorMap) {
		if (!mCallbackExecutorMap.isEmpty()) {
		try {
		final IBluetoothLeAudio service = getService();
		if (service != null) {
		final SynchronousResultReceiver<Integer> recv =
		new SynchronousResultReceiver();
		service.registerCallback(mCallback,
		mAttributionSource, recv);
		recv.awaitResultNoInterrupt(getSyncTimeout())
		.getValue(null);
		}
		} catch (TimeoutException e) {
		Log.e(TAG, "Failed to register callback", e);
		} catch (RemoteException e) {
		throw e.rethrowFromSystemServer();
		}
		}
		}
		}
		}
		};

		/**
		* Create a BluetoothLeAudio proxy object for interacting with the local
		* Bluetooth LeAudio service.
		@@ -386,6 +443,16 @@ public final class BluetoothLeAudio implements BluetoothProfile, AutoCloseable {
		mAdapter = adapter;
		mAttributionSource = adapter.getAttributionSource();
		mProfileConnector.connect(context, listener);

		IBluetoothManager mgr = mAdapter.getBluetoothManager();
		if (mgr != null) {
		try {
		mgr.registerStateChangeCallback(mBluetoothStateChangeCallback);
		} catch (RemoteException e) {
		throw e.rethrowFromSystemServer();
		}
		}

		mCloseGuard = new CloseGuard();
		mCloseGuard.open("close");
		}
		@@ -394,6 +461,15 @@ public final class BluetoothLeAudio implements BluetoothProfile, AutoCloseable {
		* @hide
		*/
		public void close() {
		IBluetoothManager mgr = mAdapter.getBluetoothManager();
		if (mgr != null) {
		try {
		mgr.unregisterStateChangeCallback(mBluetoothStateChangeCallback);
		} catch (RemoteException e) {
		Log.e(TAG, "", e);
		}
		}

		mProfileConnector.disconnect();
		}

		@@ -610,6 +686,105 @@ public final class BluetoothLeAudio implements BluetoothProfile, AutoCloseable {
		return defaultValue;
		}

		/**
		* Register a {@link Callback} that will be invoked during the
		* operation of this profile.
		*
		* Repeated registration of the same <var>callback</var> object will have no effect after
		* the first call to this method, even when the <var>executor</var> is different. API caller
		* would have to call {@link #unregisterCallback(Callback)} with
		* the same callback object before registering it again.
		*
		* @param executor an {@link Executor} to execute given callback
		* @param callback user implementation of the {@link Callback}
		* @throws NullPointerException if a null executor or callback is given
		* @throws IllegalArgumentException the callback is already registered
		* @hide
		*/
		@SystemApi
		@RequiresBluetoothConnectPermission
		@RequiresPermission(allOf = {
		android.Manifest.permission.BLUETOOTH_CONNECT,
		android.Manifest.permission.BLUETOOTH_PRIVILEGED,
		})
		public void registerCallback(@NonNull @CallbackExecutor Executor executor,
		@NonNull Callback callback) {
		Objects.requireNonNull(executor, "executor cannot be null");
		Objects.requireNonNull(callback, "callback cannot be null");
		if (DBG) log("registerCallback");

		synchronized (mCallbackExecutorMap) {
		// If the callback map is empty, we register the service-to-app callback
		if (mCallbackExecutorMap.isEmpty()) {
		try {
		final IBluetoothLeAudio service = getService();
		if (service != null) {
		final SynchronousResultReceiver<Integer> recv =
		new SynchronousResultReceiver();
		service.registerCallback(mCallback, mAttributionSource, recv);
		recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(null);
		}
		} catch (IllegalStateException \| TimeoutException e) {
		Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
		throw new IllegalStateException("Unexpected error", e);
		} catch (RemoteException e) {
		throw e.rethrowFromSystemServer();
		}
		}

		// Adds the passed in callback to our map of callbacks to executors
		if (mCallbackExecutorMap.containsKey(callback)) {
		throw new IllegalArgumentException("This callback has already been registered");
		}
		mCallbackExecutorMap.put(callback, executor);
		}
		}

		/**
		* Unregister the specified {@link Callback}.
		* <p>The same {@link Callback} object used when calling
		* {@link #registerCallback(Executor, Callback)} must be used.
		*
		* <p>Callbacks are automatically unregistered when application process goes away
		*
		* @param callback user implementation of the {@link Callback}
		* @throws NullPointerException when callback is null
		* @throws IllegalArgumentException when no callback is registered
		* @hide
		*/
		@SystemApi
		@RequiresBluetoothConnectPermission
		@RequiresPermission(allOf = {
		android.Manifest.permission.BLUETOOTH_CONNECT,
		android.Manifest.permission.BLUETOOTH_PRIVILEGED,
		})
		public void unregisterCallback(@NonNull Callback callback) {
		Objects.requireNonNull(callback, "callback cannot be null");
		if (DBG) log("unregisterCallback");

		synchronized (mCallbackExecutorMap) {
		if (mCallbackExecutorMap.remove(callback) != null) {
		throw new IllegalArgumentException("This callback has not been registered");
		}
		}

		// If the callback map is empty, we unregister the service-to-app callback
		if (mCallbackExecutorMap.isEmpty()) {
		try {
		final IBluetoothLeAudio service = getService();
		if (service != null) {
		final SynchronousResultReceiver<Integer> recv = new SynchronousResultReceiver();
		service.unregisterCallback(mCallback, mAttributionSource, recv);
		recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(null);
		}
		} catch (TimeoutException e) {
		Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
		} catch (RemoteException e) {
		throw e.rethrowFromSystemServer();
		}
		}
		}

		/**
		* Select a connected device as active.
		*

system/binder/Android.bp

+1 −0

Original line number	Diff line number	Diff line
		@@ -31,6 +31,7 @@ filegroup {
		"android/bluetooth/IBluetoothVolumeControlCallback.aidl",
		"android/bluetooth/IBluetoothHidHost.aidl",
		"android/bluetooth/IBluetoothLeAudio.aidl",
		"android/bluetooth/IBluetoothLeAudioCallback.aidl",
		"android/bluetooth/IBluetoothLeBroadcastCallback.aidl",
		"android/bluetooth/IBluetoothManager.aidl",
		"android/bluetooth/IBluetoothManagerCallback.aidl",

system/binder/android/bluetooth/BluetoothLeAudioCodecStatus.aidl

0 → 100644

+19 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright 2022 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package android.bluetooth;

		parcelable BluetoothLeAudioCodecStatus;