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Add remote volume slider to sound settings

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1. Add RemoteVolumePreferenceController to control volume through
MediaSessions.
2. Add related preference to skip calling AudioManager.

Bug: 126199571
Test: RunSettingsRoboTests
Change-Id: I9cb85ccf5f49be6d127cb61caf445b2ee7dfb579
This commit is contained in:
jackqdyulei
2019-02-27 10:05:56 -08:00
parent 3329ead489
commit f25c9b0efc
8 changed files with 324 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

159
src/com/android/settings/notification/RemoteVolumePreferenceController.java Normal file
View File

@@ -0,0 +1,159 @@
/*
* Copyright (C) 2019 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 com.android.settings.notification;
import android.content.Context;
import android.media.session.MediaController;
import android.media.session.MediaSession;
import android.media.session.MediaSessionManager;
import android.os.Looper;
import android.text.TextUtils;
import androidx.annotation.VisibleForTesting;
import androidx.lifecycle.OnLifecycleEvent;
import com.android.settings.R;
import com.android.settingslib.core.lifecycle.Lifecycle;
import com.android.settingslib.volume.MediaSessions;
import java.util.List;
public class RemoteVolumePreferenceController extends
VolumeSeekBarPreferenceController {
private static final String KEY_REMOTE_VOLUME = "remote_volume";
@VisibleForTesting
static final int REMOTE_VOLUME = 100;
private MediaSessionManager mMediaSessionManager;
private MediaSessions mMediaSessions;
private MediaSession.Token mActiveToken;
private MediaSessions.Callbacks mCallbacks = new MediaSessions.Callbacks() {
@Override
public void onRemoteUpdate(MediaSession.Token token, String name,
MediaController.PlaybackInfo pi) {
mActiveToken = token;
mPreference.setMax(pi.getMaxVolume());
mPreference.setVisible(true);
setSliderPosition(pi.getCurrentVolume());
}
@Override
public void onRemoteRemoved(MediaSession.Token t) {
if (mActiveToken == t) {
mActiveToken = null;
mPreference.setVisible(false);
}
}
@Override
public void onRemoteVolumeChanged(MediaSession.Token token, int flags) {
if (mActiveToken == token) {
final MediaController mediaController = new MediaController(mContext, token);
final MediaController.PlaybackInfo pi = mediaController.getPlaybackInfo();
setSliderPosition(pi.getCurrentVolume());
}
}
};
public RemoteVolumePreferenceController(Context context) {
super(context, KEY_REMOTE_VOLUME);
mMediaSessionManager = context.getSystemService(MediaSessionManager.class);
mMediaSessions = new MediaSessions(context, Looper.getMainLooper(), mCallbacks);
}
@Override
public int getAvailabilityStatus() {
final List<MediaController> controllers = mMediaSessionManager.getActiveSessions(null);
for (MediaController mediaController : controllers) {
final MediaController.PlaybackInfo pi = mediaController.getPlaybackInfo();
if (isRemote(pi)) {
mActiveToken = mediaController.getSessionToken();
return AVAILABLE;
}
}
// No active remote media at this point
return CONDITIONALLY_UNAVAILABLE;
}
@OnLifecycleEvent(Lifecycle.Event.ON_RESUME)
public void onResume() {
super.onResume();
mMediaSessions.init();
}
@OnLifecycleEvent(Lifecycle.Event.ON_PAUSE)
public void onPause() {
super.onPause();
mMediaSessions.destroy();
}
@Override
public int getSliderPosition() {
if (mPreference != null) {
return mPreference.getProgress();
}
//TODO(b/126199571): get it from media controller
return 0;
}
@Override
public boolean setSliderPosition(int position) {
if (mPreference != null) {
mPreference.setProgress(position);
}
//TODO(b/126199571): set it through media controller
return false;
}
@Override
public int getMaxSteps() {
if (mPreference != null) {
return mPreference.getMax();
}
//TODO(b/126199571): get it from media controller
return 0;
}
@Override
public boolean isSliceable() {
return TextUtils.equals(getPreferenceKey(), KEY_REMOTE_VOLUME);
}
@Override
public String getPreferenceKey() {
return KEY_REMOTE_VOLUME;
}
@Override
public int getAudioStream() {
// This can be anything because remote volume controller doesn't rely on it.
return REMOTE_VOLUME;
}
@Override
public int getMuteIcon() {
return R.drawable.ic_volume_remote_mute;
}
public static boolean isRemote(MediaController.PlaybackInfo pi) {
return pi != null
&& pi.getPlaybackType() == MediaController.PlaybackInfo.PLAYBACK_TYPE_REMOTE;
}
}

56
src/com/android/settings/notification/RemoteVolumeSeekBarPreference.java Normal file
View File

@@ -0,0 +1,56 @@
/*
* Copyright (C) 2019 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 com.android.settings.notification;
import android.content.Context;
import android.util.AttributeSet;
/**
* A slider preference that controls remote volume, which doesn't go through
* {@link android.media.AudioManager}
**/
public class RemoteVolumeSeekBarPreference extends VolumeSeekBarPreference {
public RemoteVolumeSeekBarPreference(Context context, AttributeSet attrs, int defStyleAttr,
int defStyleRes) {
super(context, attrs, defStyleAttr, defStyleRes);
}
public RemoteVolumeSeekBarPreference(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
}
public RemoteVolumeSeekBarPreference(Context context, AttributeSet attrs) {
super(context, attrs);
}
public RemoteVolumeSeekBarPreference(Context context) {
super(context);
}
@Override
public void setStream(int stream) {
// Do nothing here, volume is not controlled by AudioManager
}
@Override
protected void init() {
if (mSeekBar == null) return;
updateIconView();
updateSuppressionText();
}
}

1
src/com/android/settings/notification/SoundSettings.java
View File

@@ -184,6 +184,7 @@ public class SoundSettings extends DashboardFragment implements OnActivityResult
volumeControllers.add(use(RingVolumePreferenceController.class));
volumeControllers.add(use(NotificationVolumePreferenceController.class));
volumeControllers.add(use(CallVolumePreferenceController.class));
volumeControllers.add(use(RemoteVolumePreferenceController.class));
use(MediaOutputPreferenceController.class).setCallback(listPreference ->
onPreferenceDataChanged(listPreference));

8
src/com/android/settings/notification/VolumeSeekBarPreference.java
View File

@@ -40,8 +40,8 @@ import java.util.Objects;
public class VolumeSeekBarPreference extends SeekBarPreference {
private static final String TAG = "VolumeSeekBarPreference";
protected SeekBar mSeekBar;
private int mStream;
private SeekBar mSeekBar;
private SeekBarVolumizer mVolumizer;
private Callback mCallback;
private ImageView mIconView;
@@ -121,7 +121,7 @@ public class VolumeSeekBarPreference extends SeekBarPreference {
init();
}
private void init() {
protected void init() {
if (mSeekBar == null) return;
final SeekBarVolumizer.Callback sbvc = new SeekBarVolumizer.Callback() {
@Override
@@ -158,7 +158,7 @@ public class VolumeSeekBarPreference extends SeekBarPreference {
}
}
private void updateIconView() {
protected void updateIconView() {
if (mIconView == null) return;
if (mIconResId != 0) {
mIconView.setImageResource(mIconResId);
@@ -195,7 +195,7 @@ public class VolumeSeekBarPreference extends SeekBarPreference {
updateSuppressionText();
}
private void updateSuppressionText() {
protected void updateSuppressionText() {
if (mSuppressionTextView != null && mSeekBar != null) {
mSuppressionTextView.setText(mSuppressionText);
final boolean showSuppression = !TextUtils.isEmpty(mSuppressionText);