| /* |
| * 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 com.android.launcher3.util; |
| |
| import android.content.Intent; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| |
| import com.android.launcher3.Utilities; |
| |
| import java.util.ArrayList; |
| |
| /** |
| * Utility methods using package manager |
| */ |
| public class PackageManagerHelper { |
| |
| private static final int FLAG_SUSPENDED = 1<<30; |
| private static final String LIVE_WALLPAPER_PICKER_PKG = "com.android.wallpaper.livepicker"; |
| |
| /** |
| * Returns true if the app can possibly be on the SDCard. This is just a workaround and doesn't |
| * guarantee that the app is on SD card. |
| */ |
| public static boolean isAppOnSdcard(PackageManager pm, String packageName) { |
| return isAppEnabled(pm, packageName, PackageManager.GET_UNINSTALLED_PACKAGES); |
| } |
| |
| public static boolean isAppEnabled(PackageManager pm, String packageName) { |
| return isAppEnabled(pm, packageName, 0); |
| } |
| |
| public static boolean isAppEnabled(PackageManager pm, String packageName, int flags) { |
| try { |
| ApplicationInfo info = pm.getApplicationInfo(packageName, flags); |
| return info != null && info.enabled; |
| } catch (PackageManager.NameNotFoundException e) { |
| return false; |
| } |
| } |
| |
| public static boolean isAppSuspended(PackageManager pm, String packageName) { |
| try { |
| ApplicationInfo info = pm.getApplicationInfo(packageName, 0); |
| return info != null && isAppSuspended(info); |
| } catch (PackageManager.NameNotFoundException e) { |
| return false; |
| } |
| } |
| |
| public static boolean isAppSuspended(ApplicationInfo info) { |
| // The value of FLAG_SUSPENDED was reused by a hidden constant |
| // ApplicationInfo.FLAG_PRIVILEGED prior to N, so only check for suspended flag on N |
| // or later. |
| if (Utilities.isNycOrAbove()) { |
| return (info.flags & FLAG_SUSPENDED) != 0; |
| } else { |
| return false; |
| } |
| } |
| |
| /** |
| * Returns the package for a wallpaper picker system app giving preference to a app which |
| * is not as image picker. |
| */ |
| public static String getWallpaperPickerPackage(PackageManager pm) { |
| ArrayList<String> excludePackages = new ArrayList<>(); |
| // Exclude packages which contain an image picker |
| for (ResolveInfo info : pm.queryIntentActivities( |
| new Intent(Intent.ACTION_GET_CONTENT).setType("image/*"), 0)) { |
| excludePackages.add(info.activityInfo.packageName); |
| } |
| excludePackages.add(LIVE_WALLPAPER_PICKER_PKG); |
| |
| for (ResolveInfo info : pm.queryIntentActivities( |
| new Intent(Intent.ACTION_SET_WALLPAPER), 0)) { |
| if (!excludePackages.contains(info.activityInfo.packageName) && |
| (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { |
| return info.activityInfo.packageName; |
| } |
| } |
| return excludePackages.get(0); |
| } |
| } |