Android Open Source - photo-paper Wallpaper Application

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Back to project page photo-paper.


The source code is released under:

MIT License

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Java Source Code

package com.lukekorth.android_500px;
//  w w  w  .ja va 2 s.c  om
import android.content.Context;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;

import com.activeandroid.ActiveAndroid;
import com.lukekorth.android_500px.helpers.Cache;
import com.lukekorth.android_500px.helpers.ThreadBus;
import com.lukekorth.mailable_log.MailableLog;
import com.squareup.otto.Bus;
import com.squareup.picasso.Picasso;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.Date;

public class WallpaperApplication extends  implements Thread.UncaughtExceptionHandler {

    private static final String VERSION = "version";

    private Thread.UncaughtExceptionHandler mDefaultExceptionHandler;

    private static ThreadBus sBus;
    private static Picasso sPicasso;

    public void onCreate() {

        MailableLog.init(this, BuildConfig.DEBUG);
        mDefaultExceptionHandler = Thread.getDefaultUncaughtExceptionHandler();

    private void migrate() {
        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
        SharedPreferences.Editor editor = prefs.edit();
        int version = prefs.getInt(VERSION, 0);
        if (BuildConfig.VERSION_CODE > version) {
            String now = new Date().toString();
            if (version == 0) {
                ActiveAndroid.getDatabase().delete("Photos", null, null);
                editor.putString("install_date", now);
            } else if (version == 1) {
                ActiveAndroid.getDatabase().delete("Photos", null, null);

            editor.putString("upgrade_date", now);
            editor.putInt(VERSION, BuildConfig.VERSION_CODE);


    public void uncaughtException(Thread thread, Throwable ex) {
        Logger logger = LoggerFactory.getLogger("Exception");

        logger.error("thread.toString(): " + thread.toString());
        logger.error("Exception: " + ex.toString());
        logger.error("Exception stacktrace:");
        for (StackTraceElement trace : ex.getStackTrace()) {


        logger.error("cause.toString(): " + ex.getCause().toString());
        logger.error("Cause: " + ex.getCause().toString());
        logger.error("Cause stacktrace:");
        for (StackTraceElement trace : ex.getCause().getStackTrace()) {

        mDefaultExceptionHandler.uncaughtException(thread, ex);

    public static Bus getBus() {
        if (sBus == null) {
            sBus = new ThreadBus();
        return sBus;

    public static Picasso getPicasso(Context context) {
        if (sPicasso == null) {
            sPicasso = new Picasso.Builder(context.getApplicationContext())
        return sPicasso;


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