com.mobivery.greent.MVYBatteryManagerActivityFragment.java Source code

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Here is the source code for com.mobivery.greent.MVYBatteryManagerActivityFragment.java

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/* Copyright 2012 Mobiguo S.L.
 * 
 * This file is part of Green-T Library.
 * 
 * Green-T Library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * Green-T Library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lessr General Public License
 * along with Green-T Library.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.mobivery.greent;

import java.util.List;

import android.app.Activity;
import android.app.ActivityManager;
import android.content.ComponentName;
import android.content.Context;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.view.KeyEvent;

public class MVYBatteryManagerActivityFragment extends FragmentActivity {
    private boolean m_isSendingToBackground = false;

    //--------------------------------------------------------------------------
    @Override
    protected void onCreate(Bundle arg0) {
        super.onCreate(arg0);
    }

    //--------------------------------------------------------------------------
    @Override
    protected void onDestroy() {
        super.onDestroy();
    }

    //--------------------------------------------------------------------------
    @Override
    protected void onPause() {
        super.onPause();
        boolean appSentToBackground = MVYBatterySaverManager.getInstance().areConnectionsManaged()
                && isApplicationBroughtToBackground(this);
        if (appSentToBackground)
            MVYBatterySaverManager.getInstance().sendAppToBackground();
    }

    //--------------------------------------------------------------------------   
    @Override
    protected void onResume() {
        super.onResume();
        boolean appComesFromBackground = MVYBatterySaverManager.getInstance().areConnectionsManaged()
                && !m_isSendingToBackground;
        if (appComesFromBackground)
            MVYBatterySaverManager.getInstance().bringAppToFront();
    }

    //--------------------------------------------------------------------------   
    @Override
    public void onUserInteraction() {
        super.onUserInteraction();

        boolean userInteraction = MVYBatterySaverManager.getInstance().areConnectionsManaged()
                && !isApplicationBroughtToBackground(this) && !m_isSendingToBackground;
        if (userInteraction)
            MVYBatterySaverManager.getInstance().resetUserInactivityTimer();
    }

    //--------------------------------------------------------------------------
    @Override
    public boolean dispatchKeyEvent(KeyEvent event) {
        if (MVYBatterySaverManager.getInstance().areConnectionsManaged()) {
            if (event.getAction() == KeyEvent.ACTION_DOWN) {
                switch (event.getKeyCode()) {
                case KeyEvent.KEYCODE_BACK:
                    m_isSendingToBackground = true;
                    MVYBatterySaverManager.getInstance().sendAppToBackground();
                    break;
                }
            }
        }
        return super.dispatchKeyEvent(event);
    }

    //--------------------------------------------------------------------------
    public static boolean isApplicationBroughtToBackground(final Activity activity) {
        ActivityManager activityManager = (ActivityManager) activity.getSystemService(Context.ACTIVITY_SERVICE);
        List<ActivityManager.RunningTaskInfo> tasks = activityManager.getRunningTasks(1);

        // Check the top Activity against the list of Activities contained in the Application's package.
        if (!tasks.isEmpty()) {
            ComponentName topActivity = tasks.get(0).topActivity;
            try {
                PackageInfo pi = activity.getPackageManager().getPackageInfo(activity.getPackageName(),
                        PackageManager.GET_ACTIVITIES);
                for (ActivityInfo activityInfo : pi.activities) {
                    if (topActivity.getClassName().equals(activityInfo.name))
                        return false;
                }
            } catch (PackageManager.NameNotFoundException e) {
                return false; // Never happens.
            }
        }
        return true;
    }
}