diff options
-rw-r--r-- | Android.mk | 1 | ||||
-rw-r--r-- | core/java/android/bluetooth/BluetoothA2dpSink.java | 432 | ||||
-rw-r--r-- | core/java/android/bluetooth/BluetoothAdapter.java | 7 | ||||
-rw-r--r-- | core/java/android/bluetooth/BluetoothAudioConfig.aidl | 19 | ||||
-rw-r--r-- | core/java/android/bluetooth/BluetoothAudioConfig.java | 111 | ||||
-rw-r--r-- | core/java/android/bluetooth/IBluetoothA2dpSink.aidl | 34 | ||||
-rw-r--r-- | core/res/AndroidManifest.xml | 6 |
7 files changed, 610 insertions, 0 deletions
@@ -98,6 +98,7 @@ LOCAL_SRC_FILES += \ core/java/android/app/maintenance/IIdleService.aidl \ core/java/android/bluetooth/IBluetooth.aidl \ core/java/android/bluetooth/IBluetoothA2dp.aidl \ + core/java/android/bluetooth/IBluetoothA2dpSink.aidl \ core/java/android/bluetooth/IBluetoothCallback.aidl \ core/java/android/bluetooth/IBluetoothHeadset.aidl \ core/java/android/bluetooth/IBluetoothHeadsetPhone.aidl \ 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 @@ public final class BluetoothAdapter { } 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 @@ public final class BluetoothAdapter { 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" /> |