Java Code Examples for android.media.AudioManager#AUDIOFOCUS_GAIN_TRANSIENT
The following examples show how to use
android.media.AudioManager#AUDIOFOCUS_GAIN_TRANSIENT .
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Example 1
| Source File: FocusRequester.java From android_9.0.0_r45 with Apache License 2.0 | 6 votes |
|
private static String focusChangeToString(int focus) {
switch(focus) {
case AudioManager.AUDIOFOCUS_NONE:
return "none";
case AudioManager.AUDIOFOCUS_GAIN:
return "GAIN";
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT:
return "GAIN_TRANSIENT";
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK:
return "GAIN_TRANSIENT_MAY_DUCK";
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE:
return "GAIN_TRANSIENT_EXCLUSIVE";
case AudioManager.AUDIOFOCUS_LOSS:
return "LOSS";
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT:
return "LOSS_TRANSIENT";
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK:
return "LOSS_TRANSIENT_CAN_DUCK";
default:
return "[invalid focus change" + focus + "]";
}
}
Example 2
| Source File: IflySynthesizer.java From AssistantBySDK with Apache License 2.0 | 6 votes |
|
@Override
public void onAudioFocusChange(int focusChange) {
Log.e(TAG, "audioFocusChangeListener.onAudioFocusChange>>>>>>>>>>>>>>>>>>" + focusChange);
switch (focusChange) {
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT:
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK:
// pauseSpeaking();
break;
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK:
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT:
/*if (isSpeaking()) {
synthesizer.resumeSpeaking();
}*/
break;
default:
break;
}
}
Example 3
| Source File: FocusRequester.java From android_9.0.0_r45 with Apache License 2.0 | 5 votes |
|
/**
* For a given audio focus gain request, return the audio focus loss type that will result
* from it, taking into account any previous focus loss.
* @param gainRequest
* @return the audio focus loss type that matches the gain request
*/
private int focusLossForGainRequest(int gainRequest) {
switch(gainRequest) {
case AudioManager.AUDIOFOCUS_GAIN:
switch(mFocusLossReceived) {
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK:
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT:
case AudioManager.AUDIOFOCUS_LOSS:
case AudioManager.AUDIOFOCUS_NONE:
return AudioManager.AUDIOFOCUS_LOSS;
}
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE:
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT:
switch(mFocusLossReceived) {
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK:
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT:
case AudioManager.AUDIOFOCUS_NONE:
return AudioManager.AUDIOFOCUS_LOSS_TRANSIENT;
case AudioManager.AUDIOFOCUS_LOSS:
return AudioManager.AUDIOFOCUS_LOSS;
}
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK:
switch(mFocusLossReceived) {
case AudioManager.AUDIOFOCUS_NONE:
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK:
return AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK;
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT:
return AudioManager.AUDIOFOCUS_LOSS_TRANSIENT;
case AudioManager.AUDIOFOCUS_LOSS:
return AudioManager.AUDIOFOCUS_LOSS;
}
default:
Log.e(TAG, "focusLossForGainRequest() for invalid focus request "+ gainRequest);
return AudioManager.AUDIOFOCUS_NONE;
}
}
Example 4
| Source File: ExoVideoView.java From v9porn with MIT License | 5 votes |
|
@Override
public void onAudioFocusChange(int focusChange) {
if (!handleAudioFocus || currentFocus == focusChange) {
return;
}
currentFocus = focusChange;
switch (focusChange) {
case AudioManager.AUDIOFOCUS_GAIN:
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT:
if (startRequested || pausedForLoss) {
start();
startRequested = false;
pausedForLoss = false;
}
break;
case AudioManager.AUDIOFOCUS_LOSS:
if (isPlaying()) {
pausedForLoss = true;
pause();
}
break;
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT:
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK:
if (isPlaying()) {
pausedForLoss = true;
pause(true);
}
break;
}
}
Example 5
| Source File: BaseIjkVideoView.java From youqu_master with Apache License 2.0 | 5 votes |
|
@Override
public void onAudioFocusChange(int focusChange) {
if (currentFocus == focusChange) {
return;
}
currentFocus = focusChange;
switch (focusChange) {
case AudioManager.AUDIOFOCUS_GAIN://获得焦点
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT://暂时获得焦点
if (startRequested || pausedForLoss) {
start();
startRequested = false;
pausedForLoss = false;
}
if (mMediaPlayer != null && !isMute)//恢复音量
mMediaPlayer.setVolume(1.0f, 1.0f);
break;
case AudioManager.AUDIOFOCUS_LOSS://焦点丢失
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT://焦点暂时丢失
if (isPlaying()) {
pausedForLoss = true;
pause();
}
break;
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK://此时需降低音量
if (mMediaPlayer != null && isPlaying() && !isMute) {
mMediaPlayer.setVolume(0.1f, 0.1f);
}
break;
}
}
Example 6
| Source File: ExoVideoView.java From v9porn with MIT License | 5 votes |
|
@Override
public void onAudioFocusChange(int focusChange) {
if (!handleAudioFocus || currentFocus == focusChange) {
return;
}
currentFocus = focusChange;
switch (focusChange) {
case AudioManager.AUDIOFOCUS_GAIN:
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT:
if (startRequested || pausedForLoss) {
start();
startRequested = false;
pausedForLoss = false;
}
break;
case AudioManager.AUDIOFOCUS_LOSS:
if (isPlaying()) {
pausedForLoss = true;
pause();
}
break;
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT:
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK:
if (isPlaying()) {
pausedForLoss = true;
pause(true);
}
break;
}
}
Example 7
| Source File: FlutterIncallManagerPlugin.java From flutter-incall-manager with ISC License | 5 votes |
|
@Override
public void onAudioFocusChange(final int focusChange) {
String focusChangeStr;
switch (focusChange) {
case AudioManager.AUDIOFOCUS_GAIN:
focusChangeStr = "AUDIOFOCUS_GAIN";
break;
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT:
focusChangeStr = "AUDIOFOCUS_GAIN_TRANSIENT";
break;
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE:
focusChangeStr = "AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE";
break;
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK:
focusChangeStr = "AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK";
break;
case AudioManager.AUDIOFOCUS_LOSS:
focusChangeStr = "AUDIOFOCUS_LOSS";
break;
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT:
focusChangeStr = "AUDIOFOCUS_LOSS_TRANSIENT";
break;
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK:
focusChangeStr = "AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK";
break;
default:
focusChangeStr = "AUDIOFOCUS_UNKNOW";
break;
}
Log.d(TAG, "onAudioFocusChange: " + focusChange + " - " + focusChangeStr);
if (eventSink != null) {
ConstraintsMap params = new ConstraintsMap();
params.putString("event", "onAudioFocusChange");
params.putString("eventText", focusChangeStr);
params.putInt("eventCode", focusChange);
eventSink.success(params.toMap());
}
}
Example 8
| Source File: XVideoView.java From XPlayer2 with Apache License 2.0 | 5 votes |
|
@Override
public void onAudioFocusChange(int focusChange) {
// MLog.i("focusChange = " + focusChange);
if (currentFocus == focusChange) {
return;
}
currentFocus = focusChange;
switch (focusChange) {
case AudioManager.AUDIOFOCUS_GAIN:
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT:
// 获得了Audio Focus
if (!isPlaying()) {
play();
}
break;
case AudioManager.AUDIOFOCUS_LOSS:
// 失去了Audio Focus，并将会持续很长的时间。
// 这里因为可能会停掉很长时间，所以不仅仅要停止Audio的播放，最好直接释放掉Media资源。
if (isPlaying()) {
stop();
}
break;
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT:
// 暂时失去Audio Focus，并会很快再次获得。
// 必须停止Audio的播放，但是因为可能会很快再次获得AudioFocus，这里可以不释放Media资源；
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK:
// 暂时失去AudioFocus，但是可以继续播放，不过要在降低音量。
if (isPlaying()) {
stop();
}
break;
}
}
Example 9
| Source File: AudioFocusHelper.java From DKVideoPlayer with Apache License 2.0 | 5 votes |
|
private void handleAudioFocusChange(int focusChange) {
final VideoView videoView = mWeakVideoView.get();
if (videoView == null) {
return;
}
switch (focusChange) {
case AudioManager.AUDIOFOCUS_GAIN://获得焦点
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT://暂时获得焦点
if (mStartRequested || mPausedForLoss) {
videoView.start();
mStartRequested = false;
mPausedForLoss = false;
}
if (!videoView.isMute())//恢复音量
videoView.setVolume(1.0f, 1.0f);
break;
case AudioManager.AUDIOFOCUS_LOSS://焦点丢失
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT://焦点暂时丢失
if (videoView.isPlaying()) {
mPausedForLoss = true;
videoView.pause();
}
break;
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK://此时需降低音量
if (videoView.isPlaying() && !videoView.isMute()) {
videoView.setVolume(0.1f, 0.1f);
}
break;
}
}
Example 10
| Source File: InCallManagerModule.java From react-native-incall-manager with ISC License | 5 votes |
|
@Override
public void onAudioFocusChange(final int focusChange) {
String focusChangeStr;
switch (focusChange) {
case AudioManager.AUDIOFOCUS_GAIN:
focusChangeStr = "AUDIOFOCUS_GAIN";
break;
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT:
focusChangeStr = "AUDIOFOCUS_GAIN_TRANSIENT";
break;
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE:
focusChangeStr = "AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE";
break;
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK:
focusChangeStr = "AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK";
break;
case AudioManager.AUDIOFOCUS_LOSS:
focusChangeStr = "AUDIOFOCUS_LOSS";
break;
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT:
focusChangeStr = "AUDIOFOCUS_LOSS_TRANSIENT";
break;
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK:
focusChangeStr = "AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK";
break;
default:
focusChangeStr = "AUDIOFOCUS_UNKNOW";
break;
}
Log.d(TAG, "onAudioFocusChange: " + focusChange + " - " + focusChangeStr);
WritableMap data = Arguments.createMap();
data.putString("eventText", focusChangeStr);
data.putInt("eventCode", focusChange);
sendEvent("onAudioFocusChange", data);
}
Example 11
| Source File: VideoView.java From ExoMedia with Apache License 2.0 | 5 votes |
|
@Override
public void onAudioFocusChange(int focusChange) {
if (!handleAudioFocus || currentFocus == focusChange) {
return;
}
currentFocus = focusChange;
switch (focusChange) {
case AudioManager.AUDIOFOCUS_GAIN:
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT:
if (startRequested || pausedForLoss) {
start();
startRequested = false;
pausedForLoss = false;
}
break;
case AudioManager.AUDIOFOCUS_LOSS:
if (isPlaying()) {
pausedForLoss = true;
pause();
}
break;
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT:
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK:
if (isPlaying()) {
pausedForLoss = true;
pause(true);
}
break;
}
}
Example 12
| Source File: AppRTCAudioManager.java From imsdk-android with MIT License | 4 votes |
|
public void start(AudioManagerEvents audioManagerEvents) {
LogUtil.d(TAG, "start");
AppRTCUtils.checkIsOnMainThread(apprtcContext);
if (amState == AudioManagerState.RUNNING) {
LogUtil.e(TAG, "AudioManager is already active");
return;
}
amState = AudioManagerState.RUNNING;
// TODO(henrika): perhaps call new method called preInitAudio() here if UNINITIALIZED.
LogUtil.d(TAG, "AudioManager starts...");
this.audioManagerEvents = audioManagerEvents;
// Store current audio state so we can restore it when stop() is called.
savedAudioMode = audioManager.getMode();
savedIsSpeakerPhoneOn = audioManager.isSpeakerphoneOn();
savedIsMicrophoneMute = audioManager.isMicrophoneMute();
hasWiredHeadset = hasWiredHeadset();
// Create an AudioManager.OnAudioFocusChangeListener instance.
audioFocusChangeListener = new AudioManager.OnAudioFocusChangeListener() {
// Called on the listener to notify if the audio focus for this listener has been changed.
// The |focusChange| value indicates whether the focus was gained, whether the focus was lost,
// and whether that loss is transient, or whether the new focus holder will hold it for an
// unknown amount of time.
// TODO(henrika): possibly extend support of handling audio-focus changes. Only contains
// logging for now.
@Override
public void onAudioFocusChange(int focusChange) {
String typeOfChange = "AUDIOFOCUS_NOT_DEFINED";
switch (focusChange) {
case AudioManager.AUDIOFOCUS_GAIN:
typeOfChange = "AUDIOFOCUS_GAIN";
break;
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT:
typeOfChange = "AUDIOFOCUS_GAIN_TRANSIENT";
break;
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE:
typeOfChange = "AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE";
break;
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK:
typeOfChange = "AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK";
break;
case AudioManager.AUDIOFOCUS_LOSS:
typeOfChange = "AUDIOFOCUS_LOSS";
break;
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT:
typeOfChange = "AUDIOFOCUS_LOSS_TRANSIENT";
break;
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK:
typeOfChange = "AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK";
break;
default:
typeOfChange = "AUDIOFOCUS_INVALID";
break;
}
LogUtil.d(TAG, "onAudioFocusChange: " + typeOfChange);
}
};
// Request audio playout focus (without ducking) and install listener for changes in focus.
int result = audioManager.requestAudioFocus(audioFocusChangeListener,
AudioManager.STREAM_VOICE_CALL, AudioManager.AUDIOFOCUS_GAIN_TRANSIENT);
if (result == AudioManager.AUDIOFOCUS_REQUEST_GRANTED) {
LogUtil.d(TAG, "Audio focus request granted for VOICE_CALL streams");
} else {
LogUtil.e(TAG, "Audio focus request failed");
}
// Start by setting MODE_IN_COMMUNICATION as default audio mode. It is
// required to be in this mode when playout and/or recording starts for
// best possible VoIP performance.
audioManager.setMode(AudioManager.MODE_IN_COMMUNICATION);
// Always disable microphone mute during a WebRTC call.
setMicrophoneMute(false);
// Set initial device states.
userSelectedAudioDevice = AudioDevice.NONE;
selectedAudioDevice = AudioDevice.NONE;
audioDevices.clear();
// Initialize and start Bluetooth if a BT device is available or initiate
// detection of new (enabled) BT devices.
bluetoothManager.start();
// Do initial selection of audio device. This setting can later be changed
// either by adding/removing a BT or wired headset or by covering/uncovering
// the proximity sensor.
updateAudioDeviceState();
// Register receiver for broadcast intents related to adding/removing a
// wired headset.
registerReceiver(wiredHeadsetReceiver, new IntentFilter(Intent.ACTION_HEADSET_PLUG));
LogUtil.d(TAG, "AudioManager started");
}
Example 13
| Source File: AudioFocusRequest.java From Fatigue-Detection with MIT License | 4 votes |
|
public void release() {
mState = AudioManager.AUDIOFOCUS_GAIN_TRANSIENT;
mFocusRequestChangeListeners.clear();
mAudioManager.abandonAudioFocus(onAudioFocusChangeListener);
mAudioManager = null;
}
Example 14
| Source File: AppRTCAudioManager.java From Pix-Art-Messenger with GNU General Public License v3.0 | 4 votes |
|
@SuppressWarnings("deprecation")
public void start(AudioManagerEvents audioManagerEvents) {
Log.d(Config.LOGTAG, AppRTCAudioManager.class.getName() + ".start()");
ThreadUtils.checkIsOnMainThread();
if (amState == AudioManagerState.RUNNING) {
Log.e(Config.LOGTAG, "AudioManager is already active");
return;
}
awaitMicrophoneLatch();
this.audioManagerEvents = audioManagerEvents;
amState = AudioManagerState.RUNNING;
// Store current audio state so we can restore it when stop() is called.
savedIsSpeakerPhoneOn = audioManager.isSpeakerphoneOn();
savedIsMicrophoneMute = audioManager.isMicrophoneMute();
hasWiredHeadset = hasWiredHeadset();
// Create an AudioManager.OnAudioFocusChangeListener instance.
audioFocusChangeListener = new AudioManager.OnAudioFocusChangeListener() {
// Called on the listener to notify if the audio focus for this listener has been changed.
// The |focusChange| value indicates whether the focus was gained, whether the focus was lost,
// and whether that loss is transient, or whether the new focus holder will hold it for an
// unknown amount of time.
// TODO(henrika): possibly extend support of handling audio-focus changes. Only contains
// logging for now.
@Override
public void onAudioFocusChange(int focusChange) {
final String typeOfChange;
switch (focusChange) {
case AudioManager.AUDIOFOCUS_GAIN:
typeOfChange = "AUDIOFOCUS_GAIN";
break;
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT:
typeOfChange = "AUDIOFOCUS_GAIN_TRANSIENT";
break;
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE:
typeOfChange = "AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE";
break;
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK:
typeOfChange = "AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK";
break;
case AudioManager.AUDIOFOCUS_LOSS:
typeOfChange = "AUDIOFOCUS_LOSS";
break;
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT:
typeOfChange = "AUDIOFOCUS_LOSS_TRANSIENT";
break;
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK:
typeOfChange = "AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK";
break;
default:
typeOfChange = "AUDIOFOCUS_INVALID";
break;
}
Log.d(Config.LOGTAG, "onAudioFocusChange: " + typeOfChange);
}
};
// Request audio playout focus (without ducking) and install listener for changes in focus.
int result = audioManager.requestAudioFocus(audioFocusChangeListener,
AudioManager.STREAM_VOICE_CALL, AudioManager.AUDIOFOCUS_GAIN_TRANSIENT);
if (result == AudioManager.AUDIOFOCUS_REQUEST_GRANTED) {
Log.d(Config.LOGTAG, "Audio focus request granted for VOICE_CALL streams");
} else {
Log.e(Config.LOGTAG, "Audio focus request failed");
}
// Start by setting MODE_IN_COMMUNICATION as default audio mode. It is
// required to be in this mode when playout and/or recording starts for
// best possible VoIP performance.
audioManager.setMode(AudioManager.MODE_IN_COMMUNICATION);
// Always disable microphone mute during a WebRTC call.
setMicrophoneMute(false);
// Set initial device states.
userSelectedAudioDevice = AudioDevice.NONE;
selectedAudioDevice = AudioDevice.NONE;
audioDevices.clear();
// Initialize and start Bluetooth if a BT device is available or initiate
// detection of new (enabled) BT devices.
bluetoothManager.start();
// Do initial selection of audio device. This setting can later be changed
// either by adding/removing a BT or wired headset or by covering/uncovering
// the proximity sensor.
updateAudioDeviceState();
// Register receiver for broadcast intents related to adding/removing a
// wired headset.
registerReceiver(wiredHeadsetReceiver, new IntentFilter(Intent.ACTION_HEADSET_PLUG));
Log.d(Config.LOGTAG, "AudioManager started");
}
Example 15
| Source File: AppRTCAudioManager.java From Conversations with GNU General Public License v3.0 | 4 votes |
|
@SuppressWarnings("deprecation")
public void start(AudioManagerEvents audioManagerEvents) {
Log.d(Config.LOGTAG, AppRTCAudioManager.class.getName() + ".start()");
ThreadUtils.checkIsOnMainThread();
if (amState == AudioManagerState.RUNNING) {
Log.e(Config.LOGTAG, "AudioManager is already active");
return;
}
awaitMicrophoneLatch();
this.audioManagerEvents = audioManagerEvents;
amState = AudioManagerState.RUNNING;
// Store current audio state so we can restore it when stop() is called.
savedIsSpeakerPhoneOn = audioManager.isSpeakerphoneOn();
savedIsMicrophoneMute = audioManager.isMicrophoneMute();
hasWiredHeadset = hasWiredHeadset();
// Create an AudioManager.OnAudioFocusChangeListener instance.
audioFocusChangeListener = new AudioManager.OnAudioFocusChangeListener() {
// Called on the listener to notify if the audio focus for this listener has been changed.
// The |focusChange| value indicates whether the focus was gained, whether the focus was lost,
// and whether that loss is transient, or whether the new focus holder will hold it for an
// unknown amount of time.
// TODO(henrika): possibly extend support of handling audio-focus changes. Only contains
// logging for now.
@Override
public void onAudioFocusChange(int focusChange) {
final String typeOfChange;
switch (focusChange) {
case AudioManager.AUDIOFOCUS_GAIN:
typeOfChange = "AUDIOFOCUS_GAIN";
break;
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT:
typeOfChange = "AUDIOFOCUS_GAIN_TRANSIENT";
break;
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE:
typeOfChange = "AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE";
break;
case AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK:
typeOfChange = "AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK";
break;
case AudioManager.AUDIOFOCUS_LOSS:
typeOfChange = "AUDIOFOCUS_LOSS";
break;
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT:
typeOfChange = "AUDIOFOCUS_LOSS_TRANSIENT";
break;
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK:
typeOfChange = "AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK";
break;
default:
typeOfChange = "AUDIOFOCUS_INVALID";
break;
}
Log.d(Config.LOGTAG, "onAudioFocusChange: " + typeOfChange);
}
};
// Request audio playout focus (without ducking) and install listener for changes in focus.
int result = audioManager.requestAudioFocus(audioFocusChangeListener,
AudioManager.STREAM_VOICE_CALL, AudioManager.AUDIOFOCUS_GAIN_TRANSIENT);
if (result == AudioManager.AUDIOFOCUS_REQUEST_GRANTED) {
Log.d(Config.LOGTAG, "Audio focus request granted for VOICE_CALL streams");
} else {
Log.e(Config.LOGTAG, "Audio focus request failed");
}
// Start by setting MODE_IN_COMMUNICATION as default audio mode. It is
// required to be in this mode when playout and/or recording starts for
// best possible VoIP performance.
audioManager.setMode(AudioManager.MODE_IN_COMMUNICATION);
// Always disable microphone mute during a WebRTC call.
setMicrophoneMute(false);
// Set initial device states.
userSelectedAudioDevice = AudioDevice.NONE;
selectedAudioDevice = AudioDevice.NONE;
audioDevices.clear();
// Initialize and start Bluetooth if a BT device is available or initiate
// detection of new (enabled) BT devices.
bluetoothManager.start();
// Do initial selection of audio device. This setting can later be changed
// either by adding/removing a BT or wired headset or by covering/uncovering
// the proximity sensor.
updateAudioDeviceState();
// Register receiver for broadcast intents related to adding/removing a
// wired headset.
registerReceiver(wiredHeadsetReceiver, new IntentFilter(Intent.ACTION_HEADSET_PLUG));
Log.d(Config.LOGTAG, "AudioManager started");
}
Example 16
| Source File: VideoView.java From android_9.0.0_r45 with Apache License 2.0 | 3 votes |
|
/**
* Sets which type of audio focus will be requested during the playback, or configures playback
* to not request audio focus. Valid values for focus requests are
* {@link AudioManager#AUDIOFOCUS_GAIN}, {@link AudioManager#AUDIOFOCUS_GAIN_TRANSIENT},
* {@link AudioManager#AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK}, and
* {@link AudioManager#AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE}. Or use
* {@link AudioManager#AUDIOFOCUS_NONE} to express that audio focus should not be
* requested when playback starts. You can for instance use this when playing a silent animation
* through this class, and you don't want to affect other audio applications playing in the
* background.
* @param focusGain the type of audio focus gain that will be requested, or
* {@link AudioManager#AUDIOFOCUS_NONE} to disable the use audio focus during playback.
*/
public void setAudioFocusRequest(int focusGain) {
if (focusGain != AudioManager.AUDIOFOCUS_NONE
&& focusGain != AudioManager.AUDIOFOCUS_GAIN
&& focusGain != AudioManager.AUDIOFOCUS_GAIN_TRANSIENT
&& focusGain != AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK
&& focusGain != AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE) {
throw new IllegalArgumentException("Illegal audio focus type " + focusGain);
}
mAudioFocusType = focusGain;
}
