| /* |
| * Copyright (C) 2017 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.applications; |
| |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.InstallSourceInfo; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.content.pm.ResolveInfo; |
| import android.util.Log; |
| |
| // This class provides methods that help dealing with app stores. |
| public class AppStoreUtil { |
| private static final String LOG_TAG = "AppStoreUtil"; |
| |
| private static Intent resolveIntent(Context context, Intent i) { |
| ResolveInfo result = context.getPackageManager().resolveActivity(i, 0); |
| return result != null ? new Intent(i.getAction()) |
| .setClassName(result.activityInfo.packageName, result.activityInfo.name) : null; |
| } |
| |
| // Returns the package name of the app that we consider to be the user-visible 'installer' |
| // of given packageName, if one is available. |
| public static String getInstallerPackageName(Context context, String packageName) { |
| String installerPackageName; |
| try { |
| InstallSourceInfo source = |
| context.getPackageManager().getInstallSourceInfo(packageName); |
| // By default, use the installing package name. |
| installerPackageName = source.getInstallingPackageName(); |
| // Use the recorded originating package name only if the initiating package is a system |
| // app (eg. Package Installer). The originating package is not verified by the platform, |
| // so we choose to ignore this when supplied by a non-system app. |
| String originatingPackageName = source.getOriginatingPackageName(); |
| String initiatingPackageName = source.getInitiatingPackageName(); |
| if (originatingPackageName != null && initiatingPackageName != null) { |
| ApplicationInfo ai = context.getPackageManager().getApplicationInfo( |
| initiatingPackageName, 0); |
| if ((ai.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { |
| installerPackageName = originatingPackageName; |
| } |
| } |
| } catch (NameNotFoundException e) { |
| Log.e(LOG_TAG, "Exception while retrieving the package installer of " + packageName, e); |
| installerPackageName = null; |
| } |
| return installerPackageName; |
| } |
| |
| // Returns a link to the installer app store for a given package name. |
| public static Intent getAppStoreLink(Context context, String installerPackageName, |
| String packageName) { |
| Intent intent = new Intent(Intent.ACTION_SHOW_APP_INFO) |
| .setPackage(installerPackageName); |
| final Intent result = resolveIntent(context, intent); |
| if (result != null) { |
| result.putExtra(Intent.EXTRA_PACKAGE_NAME, packageName); |
| return result; |
| } |
| return null; |
| } |
| |
| // Convenience method that looks up the installerPackageName for you. |
| public static Intent getAppStoreLink(Context context, String packageName) { |
| String installerPackageName = getInstallerPackageName(context, packageName); |
| return getAppStoreLink(context, installerPackageName, packageName); |
| } |
| } |