1 /* 2 * Copyright (C) 2017 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 17 package com.android.settings.applications; 18 19 import android.content.Context; 20 import android.content.Intent; 21 import android.content.pm.ResolveInfo; 22 import android.util.Log; 23 24 // This class provides methods that help dealing with app stores. 25 public class AppStoreUtil { 26 private static final String LOG_TAG = "AppStoreUtil"; 27 resolveIntent(Context context, Intent i)28 private static Intent resolveIntent(Context context, Intent i) { 29 ResolveInfo result = context.getPackageManager().resolveActivity(i, 0); 30 return result != null ? new Intent(i.getAction()) 31 .setClassName(result.activityInfo.packageName, result.activityInfo.name) : null; 32 } 33 34 // Returns the package name of the app which installed a given packageName, if one is 35 // available. getInstallerPackageName(Context context, String packageName)36 public static String getInstallerPackageName(Context context, String packageName) { 37 String installerPackageName = null; 38 try { 39 installerPackageName = 40 context.getPackageManager().getInstallerPackageName(packageName); 41 } catch (IllegalArgumentException e) { 42 Log.e(LOG_TAG, "Exception while retrieving the package installer of " + packageName, e); 43 } 44 return installerPackageName; 45 } 46 47 // Returns a link to the installer app store for a given package name. getAppStoreLink(Context context, String installerPackageName, String packageName)48 public static Intent getAppStoreLink(Context context, String installerPackageName, 49 String packageName) { 50 Intent intent = new Intent(Intent.ACTION_SHOW_APP_INFO) 51 .setPackage(installerPackageName); 52 final Intent result = resolveIntent(context, intent); 53 if (result != null) { 54 result.putExtra(Intent.EXTRA_PACKAGE_NAME, packageName); 55 return result; 56 } 57 return null; 58 } 59 60 // Convenience method that looks up the installerPackageName for you. getAppStoreLink(Context context, String packageName)61 public static Intent getAppStoreLink(Context context, String packageName) { 62 String installerPackageName = getInstallerPackageName(context, packageName); 63 return getAppStoreLink(context, installerPackageName, packageName); 64 } 65 } 66