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      1 /*
      2  * Copyright (C) 2017 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.settings.fuelgauge.anomaly.action;
     18 
     19 import android.app.ActivityManager;
     20 import android.content.Context;
     21 import android.content.pm.ApplicationInfo;
     22 import android.content.pm.PackageManager;
     23 import android.util.Log;
     24 
     25 import com.android.internal.logging.nano.MetricsProto;
     26 import com.android.settings.fuelgauge.anomaly.Anomaly;
     27 
     28 /**
     29  * Force stop action for anomaly app, which means to stop the app which causes anomaly
     30  */
     31 public class ForceStopAction extends AnomalyAction {
     32     private static final String TAG = "ForceStopAction";
     33 
     34     private ActivityManager mActivityManager;
     35     private PackageManager mPackageManager;
     36 
     37     public ForceStopAction(Context context) {
     38         super(context);
     39         mActivityManager = (ActivityManager) context.getSystemService(
     40                 Context.ACTIVITY_SERVICE);
     41         mPackageManager = context.getPackageManager();
     42         mActionMetricKey = MetricsProto.MetricsEvent.ACTION_APP_FORCE_STOP;
     43     }
     44 
     45     @Override
     46     public void handlePositiveAction(Anomaly anomaly, int contextMetricsKey) {
     47         super.handlePositiveAction(anomaly, contextMetricsKey);
     48 
     49         mActivityManager.forceStopPackage(anomaly.packageName);
     50     }
     51 
     52     @Override
     53     public boolean isActionActive(Anomaly anomaly) {
     54         try {
     55             ApplicationInfo info = mPackageManager.getApplicationInfo(anomaly.packageName,
     56                     PackageManager.GET_META_DATA);
     57             return (info.flags & ApplicationInfo.FLAG_STOPPED) == 0;
     58         } catch (PackageManager.NameNotFoundException e) {
     59             Log.e(TAG, "Cannot find info for app: " + anomaly.packageName);
     60         }
     61         return false;
     62     }
     63 
     64     @Override
     65     public int getActionType() {
     66         return Anomaly.AnomalyActionType.FORCE_STOP;
     67     }
     68 }
     69