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Show the output switcher when no media is playing

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- Support output switcher for system routing.
- Add an new string to indicate the device that
  audio will output to.

Bug: 284227163
Test: device/host atest
 atest MediaOutputPreferenceControllerTest
 atest AudioOutputSwitchPreferenceControllerTest
 atest MediaOutputIndicatorSliceTest

Change-Id: I94bcf84e7e93b3e4f5db1d95d5380a54a3e0c460
Signed-off-by: Jasmine Cha <chajasmine@google.com>
This commit is contained in:
Jasmine Cha
2023-10-03 16:56:43 +08:00
parent 1340427763
commit 9e45469833
7 changed files with 287 additions and 31 deletions
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39
src/com/android/settings/sound/AudioSwitchPreferenceController.java
View File

@@ -18,6 +18,9 @@ package com.android.settings.sound;
import static android.media.AudioManager.STREAM_DEVICES_CHANGED_ACTION;
import static com.android.settingslib.media.flags.Flags.enableOutputSwitcherForSystemRouting;
import android.annotation.Nullable;
import android.bluetooth.BluetoothDevice;
import android.content.BroadcastReceiver;
import android.content.Context;
@@ -28,6 +31,8 @@ import android.media.AudioDeviceCallback;
import android.media.AudioDeviceInfo;
import android.media.AudioManager;
import android.media.MediaRouter;
import android.media.session.MediaController;
import android.media.session.MediaSessionManager;
import android.os.Handler;
import android.os.Looper;
import android.util.FeatureFlagUtils;
@@ -79,6 +84,8 @@ public abstract class AudioSwitchPreferenceController extends BasePreferenceCont
private final WiredHeadsetBroadcastReceiver mReceiver;
private final Handler mHandler;
private LocalBluetoothManager mLocalBluetoothManager;
@Nullable private MediaSessionManager.OnActiveSessionsChangedListener mSessionListener;
@Nullable private MediaSessionManager mMediaSessionManager;
public interface AudioSwitchCallback {
void onPreferenceDataChanged(ListPreference preference);
@@ -107,6 +114,14 @@ public abstract class AudioSwitchPreferenceController extends BasePreferenceCont
return;
}
mProfileManager = mLocalBluetoothManager.getProfileManager();
if (enableOutputSwitcherForSystemRouting()) {
mMediaSessionManager = context.getSystemService(MediaSessionManager.class);
mSessionListener = new SessionChangeListener();
} else {
mMediaSessionManager = null;
mSessionListener = null;
}
}
/**
@@ -329,13 +344,27 @@ public abstract class AudioSwitchPreferenceController extends BasePreferenceCont
// Register for misc other intent broadcasts.
IntentFilter intentFilter = new IntentFilter(Intent.ACTION_HEADSET_PLUG);
intentFilter.addAction(STREAM_DEVICES_CHANGED_ACTION);
mContext.registerReceiver(mReceiver, intentFilter);
if (enableOutputSwitcherForSystemRouting()) {
mContext.registerReceiver(mReceiver, intentFilter, Context.RECEIVER_NOT_EXPORTED);
if (mMediaSessionManager != null) {
mMediaSessionManager.addOnActiveSessionsChangedListener(
mSessionListener, null, mHandler);
}
} else {
mContext.registerReceiver(mReceiver, intentFilter);
}
}
private void unregister() {
mLocalBluetoothManager.getEventManager().unregisterCallback(this);
mAudioManager.unregisterAudioDeviceCallback(mAudioManagerAudioDeviceCallback);
mContext.unregisterReceiver(mReceiver);
if (enableOutputSwitcherForSystemRouting()) {
if (mMediaSessionManager != null) {
mMediaSessionManager.removeOnActiveSessionsChangedListener(mSessionListener);
}
}
}
/** Notifications of audio device connection and disconnection events. */
@@ -362,4 +391,12 @@ public abstract class AudioSwitchPreferenceController extends BasePreferenceCont
}
}
}
private class SessionChangeListener
implements MediaSessionManager.OnActiveSessionsChangedListener {
@Override
public void onActiveSessionsChanged(List<MediaController> controllers) {
updateState(mPreference);
}
}
}