1 /* 2 * Copyright (c) 2016, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.car.stream.media; 17 18 import android.content.ComponentName; 19 import android.content.Context; 20 import android.content.Intent; 21 import android.content.pm.PackageManager; 22 import android.content.pm.ResolveInfo; 23 import android.media.MediaDescription; 24 import android.service.media.MediaBrowserService; 25 26 import java.util.List; 27 import java.util.Objects; 28 29 /** 30 * Media related utility functions 31 */ 32 public final class MediaUtils { 33 /** 34 * @return True if the two media descriptions are the same. 35 */ isSameMediaDescription(MediaDescription description1, MediaDescription description2)36 public static boolean isSameMediaDescription(MediaDescription description1, 37 MediaDescription description2) { 38 if ((description1 == null) && (description2 == null)) { 39 return true; 40 } 41 42 if (description1 != null && description2 != null) { 43 return Objects.equals(description1.getTitle(), description2.getTitle()) 44 && Objects.equals(description1.getSubtitle(), description2.getSubtitle()); 45 } 46 return false; 47 } 48 49 /** 50 * @return The component name of the {@link MediaBrowserService} for the given package name. 51 */ getMediaBrowserService(String packageName, Context context)52 public static ComponentName getMediaBrowserService(String packageName, 53 Context context) { 54 Intent intent = new Intent(MediaBrowserService.SERVICE_INTERFACE); 55 List<ResolveInfo> mediaApps = context.getPackageManager() 56 .queryIntentServices(intent, PackageManager.GET_RESOLVED_FILTER); 57 58 for (int i = 0; i < mediaApps.size(); i++) { 59 ResolveInfo info = mediaApps.get(i); 60 if (packageName.equals(info.serviceInfo.packageName)) { 61 return new ComponentName(packageName, info.serviceInfo.name /* className */); 62 } 63 } 64 return null; 65 } 66 } 67