gecko-dev/mobile/android/base/GeckoApplication.java

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
 * You can obtain one at http://mozilla.org/MPL/2.0/. */

package org.mozilla.gecko;

import android.app.Application;

import java.util.ArrayList;

public class GeckoApplication extends Application {

    private boolean mInited;
    private boolean mInBackground;

    protected void initialize() {
        if (mInited)
            return;

        // workaround for http://code.google.com/p/android/issues/detail?id=20915
        try {
            Class.forName("android.os.AsyncTask");
        } catch (ClassNotFoundException e) {}

        GeckoConnectivityReceiver.getInstance().init(getApplicationContext());
        GeckoBatteryManager.getInstance().init(getApplicationContext());
        GeckoBatteryManager.getInstance().start();
        GeckoNetworkManager.getInstance().init(getApplicationContext());
        MemoryMonitor.getInstance().init(getApplicationContext());
        mInited = true;
    }

    protected void onActivityPause(GeckoActivity activity) {
        mInBackground = true;

        GeckoAppShell.sendEventToGecko(GeckoEvent.createPauseEvent(true));
        GeckoConnectivityReceiver.getInstance().stop();
        GeckoNetworkManager.getInstance().stop();
    }

    protected void onActivityResume(GeckoActivity activity) {
        if (GeckoApp.checkLaunchState(GeckoApp.LaunchState.GeckoRunning))
            GeckoAppShell.sendEventToGecko(GeckoEvent.createResumeEvent(true));
        GeckoConnectivityReceiver.getInstance().start();
        GeckoNetworkManager.getInstance().start();

        mInBackground = false;
    }

    public boolean isApplicationInBackground() {
        return mInBackground;
    }
}