1 /* 2 * Copyright (C) 2014 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.tv.settings.device.apps; 18 19 import android.app.Activity; 20 import android.app.ActivityManager; 21 import android.app.admin.DevicePolicyManager; 22 import android.content.BroadcastReceiver; 23 import android.content.Context; 24 import android.content.Intent; 25 import android.content.pm.ApplicationInfo; 26 import android.net.Uri; 27 import android.os.UserHandle; 28 29 /** 30 * Handles force stopping an application. 31 */ 32 class ForceStopManager { 33 34 private final Context mContext; 35 private AppInfo mAppInfo; 36 private boolean mShowForceStop; 37 ForceStopManager(Context context, AppInfo appInfo)38 ForceStopManager(Context context, AppInfo appInfo) { 39 mContext = context; 40 mAppInfo = appInfo; 41 mShowForceStop = false; 42 } 43 canForceStop()44 boolean canForceStop() { 45 checkForceStop(); 46 return mShowForceStop; 47 } 48 forceStop(ApplicationsState state)49 void forceStop(ApplicationsState state) { 50 ActivityManager am = (ActivityManager) mContext.getSystemService(Context.ACTIVITY_SERVICE); 51 am.forceStopPackage(mAppInfo.getPackageName()); 52 state.invalidatePackage(mAppInfo.getPackageName()); 53 ApplicationsState.AppEntry newEnt = state.getEntry(mAppInfo.getPackageName()); 54 if (newEnt != null) { 55 mAppInfo.setEntry(newEnt); 56 } 57 } 58 checkForceStop()59 private void checkForceStop() { 60 DevicePolicyManager dpm = (DevicePolicyManager) mContext.getSystemService( 61 Context.DEVICE_POLICY_SERVICE); 62 if (dpm.packageHasActiveAdmins(mAppInfo.getPackageName())) { 63 // User can't force stop device admin. 64 mShowForceStop = false; 65 } else if (!mAppInfo.isStopped()) { 66 // If the app isn't explicitly stopped, then always show the 67 // force stop action. 68 mShowForceStop = true; 69 } else { 70 Intent intent = new Intent(Intent.ACTION_QUERY_PACKAGE_RESTART, 71 Uri.fromParts("package", mAppInfo.getPackageName(), null)); 72 intent.putExtra(Intent.EXTRA_PACKAGES, new String[] { 73 mAppInfo.getPackageName() }); 74 intent.putExtra(Intent.EXTRA_UID, mAppInfo.getUid()); 75 intent.putExtra(Intent.EXTRA_USER_HANDLE, UserHandle.getUserId(mAppInfo.getUid())); 76 mContext.sendOrderedBroadcast(intent, null, new BroadcastReceiver() { 77 @Override 78 public void onReceive(Context context, Intent intent) { 79 mShowForceStop = (getResultCode() != Activity.RESULT_CANCELED); 80 } 81 }, null, Activity.RESULT_CANCELED, null, null); 82 } 83 } 84 } 85