| /* |
| * Copyright (C) 2016 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 android.car.cluster.demorenderer; |
| |
| import android.car.cluster.demorenderer.MediaStateMonitor.MediaStateListener; |
| import android.graphics.Bitmap; |
| import android.media.MediaMetadata; |
| import android.media.session.PlaybackState; |
| import android.util.Log; |
| |
| /** |
| * Demo of rendering media data in instrument cluster. |
| */ |
| public class DemoMediaRenderer implements MediaStateListener { |
| |
| private static final String TAG = DemoMediaRenderer.class.getSimpleName(); |
| |
| |
| private final DemoInstrumentClusterView mView; |
| |
| private static final String[] PREFERRED_BITMAP_ORDER = { |
| MediaMetadata.METADATA_KEY_ALBUM_ART, |
| MediaMetadata.METADATA_KEY_ART, |
| MediaMetadata.METADATA_KEY_DISPLAY_ICON |
| }; |
| |
| |
| public DemoMediaRenderer(DemoInstrumentClusterView view) { |
| mView = view; |
| } |
| |
| @Override |
| public void onPlaybackStateChanged(PlaybackState playbackState) { |
| Log.d(TAG, "onPlaybackStateChanged: " + playbackState); |
| } |
| |
| @Override |
| public void onMetadataChanged(MediaMetadata metadata) { |
| Log.d(TAG, "onMetadataChanged: " + metadata); |
| if (metadata != null) { |
| CharSequence artist = metadata.getText(MediaMetadata.METADATA_KEY_ARTIST); |
| CharSequence album = metadata.getText(MediaMetadata.METADATA_KEY_ALBUM); |
| CharSequence track = metadata.getText(MediaMetadata.METADATA_KEY_TITLE); |
| Bitmap bitmap = getMetadataBitmap(metadata); |
| |
| mView.setMediaData(artist, album, track, bitmap); |
| mView.showMedia(); |
| } else { |
| mView.setMediaData(null, null, null, null); |
| mView.hideMedia(); |
| } |
| } |
| |
| private Bitmap getMetadataBitmap(MediaMetadata metadata) { |
| // Get the best art bitmap we can find |
| for (int i = 0; i < PREFERRED_BITMAP_ORDER.length; i++) { |
| Bitmap bitmap = metadata.getBitmap(PREFERRED_BITMAP_ORDER[i]); |
| if (bitmap != null) { |
| return bitmap; |
| } |
| } |
| return null; |
| } |
| |
| } |