SerenityApplication.java

/**
 * The MIT License (MIT)
 * Copyright (c) 2012-2014 David Carver
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
 * OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package us.nineworlds.serenity;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import javax.inject.Inject;

import us.nineworlds.serenity.core.util.AndroidHelper;
import us.nineworlds.serenity.injection.SerenityObjectGraph;
import us.nineworlds.serenity.injection.modules.AndroidModule;
import android.app.Application;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;

import com.castillo.dd.PendingDownload;
import com.google.android.gms.analytics.ExceptionReporter;
import com.google.android.gms.analytics.GoogleAnalytics;
import com.google.android.gms.analytics.HitBuilders;
import com.google.android.gms.analytics.Tracker;

/**
 * Global manager for the Serenity application
 *
 * @author dcarver
 *
 */
public class SerenityApplication extends Application {

	@Inject
	AndroidHelper androidHelper;

	@Inject
	SharedPreferences preferences;

	private static boolean enableTracking = true;
	private static List<PendingDownload> pendingDownloads;

	public static final int PROGRESS = 0xDEADBEEF;

	public enum TrackerName {
		APP_TRACKER, // Tracker used only in this app.
		GLOBAL_TRACKER, // Tracker used by all the apps from a company. eg:
		// roll-up tracking.
		ECOMMERCE_TRACKER, // Tracker used by all ecommerce transactions from a
		// company.
	}

	HashMap<TrackerName, Tracker> mTrackers = new HashMap<TrackerName, Tracker>();

	public static void disableTracking() {
		enableTracking = false;
	}

	synchronized Tracker getTracker() {
		if (!mTrackers.containsKey(TrackerName.GLOBAL_TRACKER)) {

			GoogleAnalytics analytics = GoogleAnalytics.getInstance(this);
			Tracker t = analytics.newTracker(R.xml.global_tracker);
			mTrackers.put(TrackerName.GLOBAL_TRACKER, t);
		}
		return mTrackers.get(TrackerName.GLOBAL_TRACKER);
	}

	public static List<PendingDownload> getPendingDownloads() {
		return pendingDownloads;
	}

	public static boolean isTrackingEnabled() {
		return enableTracking;
	}

	public SerenityApplication() {
		pendingDownloads = new ArrayList<PendingDownload>();

	}

	private void init() {
		inject();
		if (enableTracking) {
			installAnalytics();
		}
		sendStartedApplicationEvent();
	}

	protected void inject() {
		SerenityObjectGraph objectGraph = SerenityObjectGraph.getInstance();
		objectGraph.createObjectGraph(createModules());
		objectGraph.inject(this);
	}

	protected List<Object> createModules() {
		List<Object> modules = new ArrayList<Object>();
		modules.add(new AndroidModule(this));
		return modules;
	}

	protected void installAnalytics() {
		Tracker tracker = getTracker();
		Thread.UncaughtExceptionHandler uncaughtExceptionHandler = Thread
				.getDefaultUncaughtExceptionHandler();
		if (uncaughtExceptionHandler instanceof ExceptionReporter) {
			ExceptionReporter exceptionReporter = (ExceptionReporter) uncaughtExceptionHandler;
			exceptionReporter
			.setExceptionParser(new AnalyticsExceptionParser());
		}
	}

	@Override
	public void onCreate() {
		super.onCreate();
		init();

		PreferenceManager.setDefaultValues(this, R.xml.preferences, true);
		SharedPreferences.Editor editor = preferences.edit();
		if (androidHelper.isGoogleTV() || androidHelper.isAndroidTV()
				|| androidHelper.isAmazonFireTV()
				|| androidHelper.isLeanbackSupported()) {
			editor.putBoolean("serenity_tv_mode", true);
			editor.apply();
		}
	}

	/**
	 * @param deviceModel
	 */
	protected void sendStartedApplicationEvent() {
		String deviceModel = android.os.Build.MODEL;
		if (enableTracking) {
			Tracker tracker = getTracker();
			if (tracker != null) {
				tracker.send(new HitBuilders.EventBuilder()
				.setCategory("Devices")
				.setAction("Started Application").setLabel(deviceModel)
				.build());
			}
		}
	}
}