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Diffstat (limited to 'kotlin/src/com/android/music/MediaPlaybackService.kt')
| -rw-r--r-- | kotlin/src/com/android/music/MediaPlaybackService.kt | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/kotlin/src/com/android/music/MediaPlaybackService.kt b/kotlin/src/com/android/music/MediaPlaybackService.kt new file mode 100644 index 0000000..c7df9ec --- /dev/null +++ b/kotlin/src/com/android/music/MediaPlaybackService.kt @@ -0,0 +1,91 @@ +/* + * Copyright (C) 2020 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.music + +import android.app.PendingIntent +import android.content.Context +import android.content.Intent +import android.media.browse.MediaBrowser.MediaItem +import android.media.session.MediaSession +import android.media.session.PlaybackState +import android.os.Bundle +import android.service.media.MediaBrowserService +import android.util.Log + +/** + * Provides "background" audio playback capabilities, allowing the + * user to switch between activities without stopping playback. + */ +class MediaPlaybackService : MediaBrowserService() { + + private lateinit var mSession: MediaSession + + override fun onCreate() { + super.onCreate() + + // Start a new MediaSession + mSession = MediaSession(this, "MediaPlaybackService") + // Enable callbacks from MediaButtons and TransportControls + mSession.setFlags(MediaSession.FLAG_HANDLES_MEDIA_BUTTONS + or MediaSession.FLAG_HANDLES_TRANSPORT_CONTROLS) + // Set an initial PlaybackState with ACTION_PLAY, so media buttons can start the player + val stateBuilder: PlaybackState.Builder = PlaybackState.Builder().setActions( + PlaybackState.ACTION_PLAY or PlaybackState.ACTION_PLAY_PAUSE) + mSession.setPlaybackState(stateBuilder.build()) + setSessionToken(mSession.getSessionToken()) + val context: Context = getApplicationContext() + val intent = Intent(context, MusicBrowserActivity::class.java) + val pi: PendingIntent = PendingIntent.getActivity( + context, 99 /*request code*/, intent, PendingIntent.FLAG_UPDATE_CURRENT) + mSession.setSessionActivity(pi) + } + + override fun onStartCommand(startIntent: Intent?, flags: Int, startId: Int): Int { + return START_STICKY + } + + override fun onDestroy() {} + + override fun onGetRoot(clientPackageName: String, clientUid: Int, rootHints: Bundle?): BrowserRoot? { + return null + } + + override fun onLoadChildren(parentMediaId: String, result: Result<List<MediaItem>>) { + result.sendResult(null) + } + + private inner class MediaSessionCallback : MediaSession.Callback() { + override fun onPlay() {} + + override fun onSkipToQueueItem(queueId: Long) {} + + override fun onSeekTo(position: Long) {} + + override fun onPlayFromMediaId(mediaId: String?, extras: Bundle?) {} + + override fun onPause() {} + + override fun onStop() {} + + override fun onSkipToNext() {} + + override fun onSkipToPrevious() {} + + override fun onPlayFromSearch(query: String?, extras: Bundle?) {} + + override fun onCustomAction(action: String, extras: Bundle?) {} + } +}
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