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      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 
     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.Bundle;
     28 import android.os.UserHandle;
     29 import android.support.annotation.NonNull;
     30 import android.support.v17.leanback.widget.GuidanceStylist;
     31 
     32 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
     33 import com.android.settingslib.applications.ApplicationsState;
     34 import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
     35 import com.android.tv.settings.R;
     36 
     37 public class ForceStopPreference extends AppActionPreference {
     38 
     39     public ForceStopPreference(Context context, ApplicationsState.AppEntry entry) {
     40         super(context, entry);
     41         ConfirmationFragment.prepareArgs(getExtras(), mEntry.info.packageName);
     42         refresh();
     43     }
     44 
     45     public void refresh() {
     46         setTitle(R.string.device_apps_app_management_force_stop);
     47         DevicePolicyManager dpm = (DevicePolicyManager) getContext().getSystemService(
     48                 Context.DEVICE_POLICY_SERVICE);
     49         if (dpm.packageHasActiveAdmins(mEntry.info.packageName)) {
     50             // User can't force stop device admin.
     51             setVisible(false);
     52         } else if ((mEntry.info.flags & ApplicationInfo.FLAG_STOPPED) == 0) {
     53             // If the app isn't explicitly stopped, then always show the
     54             // force stop action.
     55             setVisible(true);
     56         } else {
     57             Intent intent = new Intent(Intent.ACTION_QUERY_PACKAGE_RESTART,
     58                     Uri.fromParts("package", mEntry.info.packageName, null));
     59             intent.putExtra(Intent.EXTRA_PACKAGES, new String[] {
     60                     mEntry.info.packageName });
     61             intent.putExtra(Intent.EXTRA_UID, mEntry.info.uid);
     62             intent.putExtra(Intent.EXTRA_USER_HANDLE, UserHandle.getUserId(mEntry.info.uid));
     63             getContext().sendOrderedBroadcast(intent, null, new BroadcastReceiver() {
     64                 @Override
     65                 public void onReceive(Context context, Intent intent) {
     66                     setVisible(getResultCode() != Activity.RESULT_CANCELED);
     67                 }
     68             }, null, Activity.RESULT_CANCELED, null, null);
     69         }
     70     }
     71 
     72     @Override
     73     public String getFragment() {
     74         return ConfirmationFragment.class.getName();
     75     }
     76 
     77     public static class ConfirmationFragment extends AppActionPreference.ConfirmationFragment {
     78         private static final String ARG_PACKAGE_NAME = "packageName";
     79 
     80         private final MetricsFeatureProvider mMetricsFeatureProvider =
     81                 new MetricsFeatureProvider();
     82 
     83         private static void prepareArgs(@NonNull Bundle args, String packageName) {
     84             args.putString(ARG_PACKAGE_NAME, packageName);
     85         }
     86 
     87         @NonNull
     88         @Override
     89         public GuidanceStylist.Guidance onCreateGuidance(Bundle savedInstanceState) {
     90             final AppManagementFragment fragment = (AppManagementFragment) getTargetFragment();
     91             return new GuidanceStylist.Guidance(
     92                     getString(R.string.device_apps_app_management_force_stop),
     93                     getString(R.string.device_apps_app_management_force_stop_desc),
     94                     fragment.getAppName(),
     95                     fragment.getAppIcon());
     96         }
     97 
     98         @Override
     99         public void onOk() {
    100             String pkgName = getArguments().getString(ARG_PACKAGE_NAME);
    101             mMetricsFeatureProvider.action(getContext(), MetricsEvent.ACTION_APP_FORCE_STOP,
    102                     pkgName);
    103             ActivityManager am = (ActivityManager)
    104                     getActivity().getSystemService(Context.ACTIVITY_SERVICE);
    105             am.forceStopPackage(pkgName);
    106         }
    107     }
    108 }
    109