src/com/android/settings/fuelgauge/anomaly/action/ForceStopAction.java

/*
 * Copyright (C) 2017 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.settings.fuelgauge.anomaly.action;

import android.app.ActivityManager;
import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.util.Log;

import com.android.internal.logging.nano.MetricsProto;
import com.android.settings.fuelgauge.anomaly.Anomaly;

/**
 * Force stop action for anomaly app, which means to stop the app which causes anomaly
 */
public class ForceStopAction extends AnomalyAction {
    private static final String TAG = "ForceStopAction";

    private ActivityManager mActivityManager;
    private PackageManager mPackageManager;

    public ForceStopAction(Context context) {
        super(context);
        mActivityManager = (ActivityManager) context.getSystemService(
                Context.ACTIVITY_SERVICE);
        mPackageManager = context.getPackageManager();
        mActionMetricKey = MetricsProto.MetricsEvent.ACTION_APP_FORCE_STOP;
    }

    @Override
    public void handlePositiveAction(Anomaly anomaly, int contextMetricsKey) {
        super.handlePositiveAction(anomaly, contextMetricsKey);

        mActivityManager.forceStopPackage(anomaly.packageName);
    }

    @Override
    public boolean isActionActive(Anomaly anomaly) {
        try {
            ApplicationInfo info = mPackageManager.getApplicationInfo(anomaly.packageName,
                    PackageManager.GET_META_DATA);
            return (info.flags & ApplicationInfo.FLAG_STOPPED) == 0;
        } catch (PackageManager.NameNotFoundException e) {
            Log.e(TAG, "Cannot find info for app: " + anomaly.packageName);
        }
        return false;
    }

    @Override
    public int getActionType() {
        return Anomaly.AnomalyActionType.FORCE_STOP;
    }
}