BluetoothA2dpSink: Add new BluetoothProfile subclass for A2DP sink
Change-Id: I09d5cb8fdaea4c4828f333949b7c18deffd22722
diff --git a/core/java/android/bluetooth/BluetoothA2dpSink.java b/core/java/android/bluetooth/BluetoothA2dpSink.java
new file mode 100644
index 0000000..2e27345
--- /dev/null
+++ b/core/java/android/bluetooth/BluetoothA2dpSink.java
@@ -0,0 +1,432 @@
+/*
+ * Copyright (C) 2014 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;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.ServiceConnection;
+import android.os.IBinder;
+import android.os.RemoteException;
+import android.util.Log;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * This class provides the public APIs to control the Bluetooth A2DP Sink
+ * profile.
+ *
+ *<p>BluetoothA2dpSink is a proxy object for controlling the Bluetooth A2DP Sink
+ * Service via IPC. Use {@link BluetoothAdapter#getProfileProxy} to get
+ * the BluetoothA2dpSink proxy object.
+ *
+ * @hide
+ */
+public final class BluetoothA2dpSink implements BluetoothProfile {
+ private static final String TAG = "BluetoothA2dpSink";
+ private static final boolean DBG = true;
+ private static final boolean VDBG = false;
+
+ /**
+ * Intent used to broadcast the change in connection state of the A2DP Sink
+ * profile.
+ *
+ * <p>This intent will have 3 extras:
+ * <ul>
+ * <li> {@link #EXTRA_STATE} - The current state of the profile. </li>
+ * <li> {@link #EXTRA_PREVIOUS_STATE}- The previous state of the profile.</li>
+ * <li> {@link BluetoothDevice#EXTRA_DEVICE} - The remote device. </li>
+ * </ul>
+ *
+ * <p>{@link #EXTRA_STATE} or {@link #EXTRA_PREVIOUS_STATE} can be any of
+ * {@link #STATE_DISCONNECTED}, {@link #STATE_CONNECTING},
+ * {@link #STATE_CONNECTED}, {@link #STATE_DISCONNECTING}.
+ *
+ * <p>Requires {@link android.Manifest.permission#BLUETOOTH} permission to
+ * receive.
+ */
+ public static final String ACTION_CONNECTION_STATE_CHANGED =
+ "android.bluetooth.a2dp-sink.profile.action.CONNECTION_STATE_CHANGED";
+
+ /**
+ * Intent used to broadcast the change in the Playing state of the A2DP Sink
+ * profile.
+ *
+ * <p>This intent will have 3 extras:
+ * <ul>
+ * <li> {@link #EXTRA_STATE} - The current state of the profile. </li>
+ * <li> {@link #EXTRA_PREVIOUS_STATE}- The previous state of the profile. </li>
+ * <li> {@link BluetoothDevice#EXTRA_DEVICE} - The remote device. </li>
+ * </ul>
+ *
+ * <p>{@link #EXTRA_STATE} or {@link #EXTRA_PREVIOUS_STATE} can be any of
+ * {@link #STATE_PLAYING}, {@link #STATE_NOT_PLAYING},
+ *
+ * <p>Requires {@link android.Manifest.permission#BLUETOOTH} permission to
+ * receive.
+ */
+ public static final String ACTION_PLAYING_STATE_CHANGED =
+ "android.bluetooth.a2dp-sink.profile.action.PLAYING_STATE_CHANGED";
+
+ /**
+ * A2DP sink device is streaming music. This state can be one of
+ * {@link #EXTRA_STATE} or {@link #EXTRA_PREVIOUS_STATE} of
+ * {@link #ACTION_PLAYING_STATE_CHANGED} intent.
+ */
+ public static final int STATE_PLAYING = 10;
+
+ /**
+ * A2DP sink device is NOT streaming music. This state can be one of
+ * {@link #EXTRA_STATE} or {@link #EXTRA_PREVIOUS_STATE} of
+ * {@link #ACTION_PLAYING_STATE_CHANGED} intent.
+ */
+ public static final int STATE_NOT_PLAYING = 11;
+
+ /**
+ * Intent used to broadcast the change in the Playing state of the A2DP Sink
+ * profile.
+ *
+ * <p>This intent will have 3 extras:
+ * <ul>
+ * <li> {@link #EXTRA_AUDIO_CONFIG} - The audio configuration for the remote device. </li>
+ * <li> {@link BluetoothDevice#EXTRA_DEVICE} - The remote device. </li>
+ * </ul>
+ *
+ * <p>Requires {@link android.Manifest.permission#BLUETOOTH} permission to
+ * receive.
+ */
+ public static final String ACTION_AUDIO_CONFIG_CHANGED =
+ "android.bluetooth.a2dp-sink.profile.action.AUDIO_CONFIG_CHANGED";
+
+ /**
+ * Extra for the {@link #ACTION_AUDIO_CONFIG_CHANGED} intent.
+ *
+ * This extra represents the current audio configuration of the A2DP source device.
+ * {@see BluetoothAudioConfig}
+ */
+ public static final String EXTRA_AUDIO_CONFIG
+ = "android.bluetooth.a2dp-sink.profile.extra.AUDIO_CONFIG";
+
+ private Context mContext;
+ private ServiceListener mServiceListener;
+ private IBluetoothA2dpSink mService;
+ private BluetoothAdapter mAdapter;
+
+ final private IBluetoothStateChangeCallback mBluetoothStateChangeCallback =
+ new IBluetoothStateChangeCallback.Stub() {
+ public void onBluetoothStateChange(boolean up) {
+ if (DBG) Log.d(TAG, "onBluetoothStateChange: up=" + up);
+ if (!up) {
+ if (VDBG) Log.d(TAG,"Unbinding service...");
+ synchronized (mConnection) {
+ try {
+ mService = null;
+ mContext.unbindService(mConnection);
+ } catch (Exception re) {
+ Log.e(TAG,"",re);
+ }
+ }
+ } else {
+ synchronized (mConnection) {
+ try {
+ if (mService == null) {
+ if (VDBG) Log.d(TAG,"Binding service...");
+ doBind();
+ }
+ } catch (Exception re) {
+ Log.e(TAG,"",re);
+ }
+ }
+ }
+ }
+ };
+ /**
+ * Create a BluetoothA2dp proxy object for interacting with the local
+ * Bluetooth A2DP service.
+ *
+ */
+ /*package*/ BluetoothA2dpSink(Context context, ServiceListener l) {
+ mContext = context;
+ mServiceListener = l;
+ mAdapter = BluetoothAdapter.getDefaultAdapter();
+ IBluetoothManager mgr = mAdapter.getBluetoothManager();
+ if (mgr != null) {
+ try {
+ mgr.registerStateChangeCallback(mBluetoothStateChangeCallback);
+ } catch (RemoteException e) {
+ Log.e(TAG,"",e);
+ }
+ }
+
+ doBind();
+ }
+
+ boolean doBind() {
+ Intent intent = new Intent(IBluetoothA2dpSink.class.getName());
+ ComponentName comp = intent.resolveSystemService(mContext.getPackageManager(), 0);
+ intent.setComponent(comp);
+ if (comp == null || !mContext.bindServiceAsUser(intent, mConnection, 0,
+ android.os.Process.myUserHandle())) {
+ Log.e(TAG, "Could not bind to Bluetooth A2DP Service with " + intent);
+ return false;
+ }
+ return true;
+ }
+
+ /*package*/ void close() {
+ mServiceListener = null;
+ IBluetoothManager mgr = mAdapter.getBluetoothManager();
+ if (mgr != null) {
+ try {
+ mgr.unregisterStateChangeCallback(mBluetoothStateChangeCallback);
+ } catch (Exception e) {
+ Log.e(TAG,"",e);
+ }
+ }
+
+ synchronized (mConnection) {
+ if (mService != null) {
+ try {
+ mService = null;
+ mContext.unbindService(mConnection);
+ } catch (Exception re) {
+ Log.e(TAG,"",re);
+ }
+ }
+ }
+ }
+
+ public void finalize() {
+ close();
+ }
+ /**
+ * Initiate connection to a profile of the remote bluetooth device.
+ *
+ * <p> Currently, the system supports only 1 connection to the
+ * A2DP profile. The API will automatically disconnect connected
+ * devices before connecting.
+ *
+ * <p> This API returns false in scenarios like the profile on the
+ * device is already connected or Bluetooth is not turned on.
+ * When this API returns true, it is guaranteed that
+ * connection state intent for the profile will be broadcasted with
+ * the state. Users can get the connection state of the profile
+ * from this intent.
+ *
+ * <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN}
+ * permission.
+ *
+ * @param device Remote Bluetooth Device
+ * @return false on immediate error,
+ * true otherwise
+ * @hide
+ */
+ public boolean connect(BluetoothDevice device) {
+ if (DBG) log("connect(" + device + ")");
+ if (mService != null && isEnabled() &&
+ isValidDevice(device)) {
+ try {
+ return mService.connect(device);
+ } catch (RemoteException e) {
+ Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
+ return false;
+ }
+ }
+ if (mService == null) Log.w(TAG, "Proxy not attached to service");
+ return false;
+ }
+
+ /**
+ * Initiate disconnection from a profile
+ *
+ * <p> This API will return false in scenarios like the profile on the
+ * Bluetooth device is not in connected state etc. When this API returns,
+ * true, it is guaranteed that the connection state change
+ * intent will be broadcasted with the state. Users can get the
+ * disconnection state of the profile from this intent.
+ *
+ * <p> If the disconnection is initiated by a remote device, the state
+ * will transition from {@link #STATE_CONNECTED} to
+ * {@link #STATE_DISCONNECTED}. If the disconnect is initiated by the
+ * host (local) device the state will transition from
+ * {@link #STATE_CONNECTED} to state {@link #STATE_DISCONNECTING} to
+ * state {@link #STATE_DISCONNECTED}. The transition to
+ * {@link #STATE_DISCONNECTING} can be used to distinguish between the
+ * two scenarios.
+ *
+ * <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN}
+ * permission.
+ *
+ * @param device Remote Bluetooth Device
+ * @return false on immediate error,
+ * true otherwise
+ * @hide
+ */
+ public boolean disconnect(BluetoothDevice device) {
+ if (DBG) log("disconnect(" + device + ")");
+ if (mService != null && isEnabled() &&
+ isValidDevice(device)) {
+ try {
+ return mService.disconnect(device);
+ } catch (RemoteException e) {
+ Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
+ return false;
+ }
+ }
+ if (mService == null) Log.w(TAG, "Proxy not attached to service");
+ return false;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public List<BluetoothDevice> getConnectedDevices() {
+ if (VDBG) log("getConnectedDevices()");
+ if (mService != null && isEnabled()) {
+ try {
+ return mService.getConnectedDevices();
+ } catch (RemoteException e) {
+ Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
+ return new ArrayList<BluetoothDevice>();
+ }
+ }
+ if (mService == null) Log.w(TAG, "Proxy not attached to service");
+ return new ArrayList<BluetoothDevice>();
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public List<BluetoothDevice> getDevicesMatchingConnectionStates(int[] states) {
+ if (VDBG) log("getDevicesMatchingStates()");
+ if (mService != null && isEnabled()) {
+ try {
+ return mService.getDevicesMatchingConnectionStates(states);
+ } catch (RemoteException e) {
+ Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
+ return new ArrayList<BluetoothDevice>();
+ }
+ }
+ if (mService == null) Log.w(TAG, "Proxy not attached to service");
+ return new ArrayList<BluetoothDevice>();
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public int getConnectionState(BluetoothDevice device) {
+ if (VDBG) log("getState(" + device + ")");
+ if (mService != null && isEnabled()
+ && isValidDevice(device)) {
+ try {
+ return mService.getConnectionState(device);
+ } catch (RemoteException e) {
+ Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
+ return BluetoothProfile.STATE_DISCONNECTED;
+ }
+ }
+ if (mService == null) Log.w(TAG, "Proxy not attached to service");
+ return BluetoothProfile.STATE_DISCONNECTED;
+ }
+
+ /**
+ * Get the current audio configuration for the A2DP source device,
+ * or null if the device has no audio configuration
+ *
+ * <p>Requires {@link android.Manifest.permission#BLUETOOTH} permission.
+ *
+ * @param device Remote bluetooth device.
+ * @return audio configuration for the device, or null
+ *
+ * {@see BluetoothAudioConfig}
+ */
+ public BluetoothAudioConfig getAudioConfig(BluetoothDevice device) {
+ if (VDBG) log("getAudioConfig(" + device + ")");
+ if (mService != null && isEnabled()
+ && isValidDevice(device)) {
+ try {
+ return mService.getAudioConfig(device);
+ } catch (RemoteException e) {
+ Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
+ return null;
+ }
+ }
+ if (mService == null) Log.w(TAG, "Proxy not attached to service");
+ return null;
+ }
+
+ /**
+ * Helper for converting a state to a string.
+ *
+ * For debug use only - strings are not internationalized.
+ * @hide
+ */
+ public static String stateToString(int state) {
+ switch (state) {
+ case STATE_DISCONNECTED:
+ return "disconnected";
+ case STATE_CONNECTING:
+ return "connecting";
+ case STATE_CONNECTED:
+ return "connected";
+ case STATE_DISCONNECTING:
+ return "disconnecting";
+ case STATE_PLAYING:
+ return "playing";
+ case STATE_NOT_PLAYING:
+ return "not playing";
+ default:
+ return "<unknown state " + state + ">";
+ }
+ }
+
+ private final ServiceConnection mConnection = new ServiceConnection() {
+ public void onServiceConnected(ComponentName className, IBinder service) {
+ if (DBG) Log.d(TAG, "Proxy object connected");
+ mService = IBluetoothA2dpSink.Stub.asInterface(service);
+
+ if (mServiceListener != null) {
+ mServiceListener.onServiceConnected(BluetoothProfile.A2DP_SINK,
+ BluetoothA2dpSink.this);
+ }
+ }
+ public void onServiceDisconnected(ComponentName className) {
+ if (DBG) Log.d(TAG, "Proxy object disconnected");
+ mService = null;
+ if (mServiceListener != null) {
+ mServiceListener.onServiceDisconnected(BluetoothProfile.A2DP_SINK);
+ }
+ }
+ };
+
+ private boolean isEnabled() {
+ if (mAdapter.getState() == BluetoothAdapter.STATE_ON) return true;
+ return false;
+ }
+
+ private boolean isValidDevice(BluetoothDevice device) {
+ if (device == null) return false;
+
+ if (BluetoothAdapter.checkBluetoothAddress(device.getAddress())) return true;
+ return false;
+ }
+
+ private static void log(String msg) {
+ Log.d(TAG, msg);
+ }
+}
diff --git a/core/java/android/bluetooth/BluetoothAdapter.java b/core/java/android/bluetooth/BluetoothAdapter.java
index 6daa61d..ee0da22 100644
--- a/core/java/android/bluetooth/BluetoothAdapter.java
+++ b/core/java/android/bluetooth/BluetoothAdapter.java
@@ -1390,6 +1390,9 @@
} else if (profile == BluetoothProfile.A2DP) {
BluetoothA2dp a2dp = new BluetoothA2dp(context, listener);
return true;
+ } else if (profile == BluetoothProfile.A2DP_SINK) {
+ BluetoothA2dpSink a2dpSink = new BluetoothA2dpSink(context, listener);
+ return true;
} else if (profile == BluetoothProfile.INPUT_DEVICE) {
BluetoothInputDevice iDev = new BluetoothInputDevice(context, listener);
return true;
@@ -1433,6 +1436,10 @@
BluetoothA2dp a2dp = (BluetoothA2dp)proxy;
a2dp.close();
break;
+ case BluetoothProfile.A2DP_SINK:
+ BluetoothA2dpSink a2dpSink = (BluetoothA2dpSink)proxy;
+ a2dpSink.close();
+ break;
case BluetoothProfile.INPUT_DEVICE:
BluetoothInputDevice iDev = (BluetoothInputDevice)proxy;
iDev.close();
diff --git a/core/java/android/bluetooth/BluetoothAudioConfig.aidl b/core/java/android/bluetooth/BluetoothAudioConfig.aidl
new file mode 100644
index 0000000..63be5cf
--- /dev/null
+++ b/core/java/android/bluetooth/BluetoothAudioConfig.aidl
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2009 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 BluetoothAudioConfig;
diff --git a/core/java/android/bluetooth/BluetoothAudioConfig.java b/core/java/android/bluetooth/BluetoothAudioConfig.java
new file mode 100644
index 0000000..03176b9
--- /dev/null
+++ b/core/java/android/bluetooth/BluetoothAudioConfig.java
@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2009 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;
+
+import android.os.Parcel;
+import android.os.Parcelable;
+
+/**
+ * Represents the audio configuration for a Bluetooth A2DP source device.
+ *
+ * {@see BluetoothA2dpSink}
+ *
+ * {@hide}
+ */
+public final class BluetoothAudioConfig implements Parcelable {
+
+ private final int mSampleRate;
+ private final int mChannelConfig;
+ private final int mAudioFormat;
+
+ public BluetoothAudioConfig(int sampleRate, int channelConfig, int audioFormat) {
+ mSampleRate = sampleRate;
+ mChannelConfig = channelConfig;
+ mAudioFormat = audioFormat;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (o instanceof BluetoothAudioConfig) {
+ BluetoothAudioConfig bac = (BluetoothAudioConfig)o;
+ return (bac.mSampleRate == mSampleRate &&
+ bac.mChannelConfig == mChannelConfig &&
+ bac.mAudioFormat == mAudioFormat);
+ }
+ return false;
+ }
+
+ @Override
+ public int hashCode() {
+ return mSampleRate | (mChannelConfig << 24) | (mAudioFormat << 28);
+ }
+
+ @Override
+ public String toString() {
+ return "{mSampleRate:" + mSampleRate + ",mChannelConfig:" + mChannelConfig
+ + ",mAudioFormat:" + mAudioFormat + "}";
+ }
+
+ public int describeContents() {
+ return 0;
+ }
+
+ public static final Parcelable.Creator<BluetoothAudioConfig> CREATOR =
+ new Parcelable.Creator<BluetoothAudioConfig>() {
+ public BluetoothAudioConfig createFromParcel(Parcel in) {
+ int sampleRate = in.readInt();
+ int channelConfig = in.readInt();
+ int audioFormat = in.readInt();
+ return new BluetoothAudioConfig(sampleRate, channelConfig, audioFormat);
+ }
+ public BluetoothAudioConfig[] newArray(int size) {
+ return new BluetoothAudioConfig[size];
+ }
+ };
+
+ public void writeToParcel(Parcel out, int flags) {
+ out.writeInt(mSampleRate);
+ out.writeInt(mChannelConfig);
+ out.writeInt(mAudioFormat);
+ }
+
+ /**
+ * Returns the sample rate in samples per second
+ * @return sample rate
+ */
+ public int getSampleRate() {
+ return mSampleRate;
+ }
+
+ /**
+ * Returns the channel configuration (either {@link android.media.AudioFormat#CHANNEL_IN_MONO}
+ * or {@link android.media.AudioFormat#CHANNEL_IN_STEREO})
+ * @return channel configuration
+ */
+ public int getChannelConfig() {
+ return mChannelConfig;
+ }
+
+ /**
+ * Returns the channel audio format (either {@link android.media.AudioFormat#ENCODING_PCM_16BIT}
+ * or {@link android.media.AudioFormat#ENCODING_PCM_8BIT}
+ * @return audio format
+ */
+ public int getAudioFormat() {
+ return mAudioFormat;
+ }
+}
diff --git a/core/java/android/bluetooth/IBluetoothA2dpSink.aidl b/core/java/android/bluetooth/IBluetoothA2dpSink.aidl
new file mode 100644
index 0000000..b7c6476
--- /dev/null
+++ b/core/java/android/bluetooth/IBluetoothA2dpSink.aidl
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2014 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;
+
+import android.bluetooth.BluetoothAudioConfig;
+import android.bluetooth.BluetoothDevice;
+
+/**
+ * APIs for Bluetooth A2DP sink service
+ *
+ * @hide
+ */
+interface IBluetoothA2dpSink {
+ boolean connect(in BluetoothDevice device);
+ boolean disconnect(in BluetoothDevice device);
+ List<BluetoothDevice> getConnectedDevices();
+ List<BluetoothDevice> getDevicesMatchingConnectionStates(in int[] states);
+ int getConnectionState(in BluetoothDevice device);
+ BluetoothAudioConfig getAudioConfig(in BluetoothDevice device);
+}
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index fba90a3..79e5028 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -139,6 +139,12 @@
<protected-broadcast
android:name="android.bluetooth.a2dp.profile.action.PLAYING_STATE_CHANGED" />
<protected-broadcast
+ android:name="android.bluetooth.a2dp-sink.profile.action.CONNECTION_STATE_CHANGED" />
+ <protected-broadcast
+ android:name="android.bluetooth.a2dp-sink.profile.action.PLAYING_STATE_CHANGED" />
+ <protected-broadcast
+ android:name="android.bluetooth.a2dp-sink.profile.action.AUDIO_CONFIG_CHANGED" />
+ <protected-broadcast
android:name="android.bluetooth.input.profile.action.CONNECTION_STATE_CHANGED" />
<protected-broadcast
android:name="android.bluetooth.input.profile.action.PROTOCOL_MODE_CHANGED" />