1/* 2 * Copyright (C) 2015 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 17package com.android.tv.settings.device.apps; 18 19import android.app.Activity; 20import android.app.ActivityManager; 21import android.app.admin.DevicePolicyManager; 22import android.content.BroadcastReceiver; 23import android.content.Context; 24import android.content.Intent; 25import android.content.pm.ApplicationInfo; 26import android.net.Uri; 27import android.os.Bundle; 28import android.os.UserHandle; 29import android.support.annotation.NonNull; 30import android.support.v17.leanback.widget.GuidanceStylist; 31 32import com.android.settingslib.applications.ApplicationsState; 33import com.android.tv.settings.R; 34 35public class ForceStopPreference extends AppActionPreference { 36 37 public ForceStopPreference(Context context, ApplicationsState.AppEntry entry) { 38 super(context, entry); 39 ConfirmationFragment.prepareArgs(getExtras(), mEntry.info.packageName); 40 refresh(); 41 } 42 43 public void refresh() { 44 setTitle(R.string.device_apps_app_management_force_stop); 45 DevicePolicyManager dpm = (DevicePolicyManager) getContext().getSystemService( 46 Context.DEVICE_POLICY_SERVICE); 47 if (dpm.packageHasActiveAdmins(mEntry.info.packageName)) { 48 // User can't force stop device admin. 49 setVisible(false); 50 } else if ((mEntry.info.flags & ApplicationInfo.FLAG_STOPPED) == 0) { 51 // If the app isn't explicitly stopped, then always show the 52 // force stop action. 53 setVisible(true); 54 } else { 55 Intent intent = new Intent(Intent.ACTION_QUERY_PACKAGE_RESTART, 56 Uri.fromParts("package", mEntry.info.packageName, null)); 57 intent.putExtra(Intent.EXTRA_PACKAGES, new String[] { 58 mEntry.info.packageName }); 59 intent.putExtra(Intent.EXTRA_UID, mEntry.info.uid); 60 intent.putExtra(Intent.EXTRA_USER_HANDLE, UserHandle.getUserId(mEntry.info.uid)); 61 getContext().sendOrderedBroadcast(intent, null, new BroadcastReceiver() { 62 @Override 63 public void onReceive(Context context, Intent intent) { 64 setVisible(getResultCode() != Activity.RESULT_CANCELED); 65 } 66 }, null, Activity.RESULT_CANCELED, null, null); 67 } 68 } 69 70 @Override 71 public String getFragment() { 72 return ConfirmationFragment.class.getName(); 73 } 74 75 public static class ConfirmationFragment extends AppActionPreference.ConfirmationFragment { 76 private static final String ARG_PACKAGE_NAME = "packageName"; 77 78 private static void prepareArgs(@NonNull Bundle args, String packageName) { 79 args.putString(ARG_PACKAGE_NAME, packageName); 80 } 81 82 @NonNull 83 @Override 84 public GuidanceStylist.Guidance onCreateGuidance(Bundle savedInstanceState) { 85 final AppManagementFragment fragment = (AppManagementFragment) getTargetFragment(); 86 return new GuidanceStylist.Guidance( 87 getString(R.string.device_apps_app_management_force_stop), 88 getString(R.string.device_apps_app_management_force_stop_desc), 89 fragment.getAppName(), 90 fragment.getAppIcon()); 91 } 92 93 @Override 94 public void onOk() { 95 ActivityManager am = (ActivityManager) 96 getActivity().getSystemService(Context.ACTIVITY_SERVICE); 97 am.forceStopPackage(getArguments().getString(ARG_PACKAGE_NAME)); 98 } 99 } 100} 101