Add remote volume slider to sound settings (f25c9b0e) · Commits · e / os / android_packages_apps_Settings

AndroidManifest.xml

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		@@ -100,6 +100,7 @@
		<uses-permission android:name="android.permission.USE_RESERVED_DISK" />
		<uses-permission android:name="android.permission.MANAGE_SCOPED_ACCESS_DIRECTORY_PERMISSIONS" />
		<uses-permission android:name="android.permission.CAMERA" />
		<uses-permission android:name="android.permission.MEDIA_CONTENT_CONTROL" />

		<application android:label="@string/settings_label"
		android:icon="@drawable/ic_launcher_settings"

res/values/strings.xml

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		@@ -7193,6 +7193,9 @@
		<!-- Sound: Title for the option managing media volume. [CHAR LIMIT=30] -->
		<string name="media_volume_option_title">Media volume</string>

		<!-- Sound: Title for the option managing remote media volume. [CHAR LIMIT=30] -->
		<string name="remote_media_volume_option_title">Cast volume</string>

		<!-- Sound: Title for the option managing call volume. [CHAR LIMIT=30] -->
		<string name="call_volume_option_title">Call volume</string>

res/xml/sound_settings.xml

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		@@ -22,6 +22,15 @@
		settings:keywords="@string/keywords_sounds"
		settings:initialExpandedChildrenCount="9">

		<!-- Remote volume -->
		<com.android.settings.notification.RemoteVolumeSeekBarPreference
		android:key="remote_volume"
		android:icon="@drawable/ic_volume_remote"
		android:title="@string/remote_media_volume_option_title"
		android:order="-185"
		settings:allowDynamicSummaryInSlice="true"
		settings:controller="com.android.settings.notification.RemoteVolumePreferenceController"/>

		<!-- Media volume -->
		<com.android.settings.notification.VolumeSeekBarPreference
		android:key="media_volume"

src/com/android/settings/notification/RemoteVolumePreferenceController.java

0 → 100644

+159 −0

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		/*
		* 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;
		}
		}

src/com/android/settings/notification/RemoteVolumeSeekBarPreference.java

0 → 100644

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		/*
		* 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();
		}
		}