App.java

package in.androidhunt.musicDEmo;


import android.app.Application;
import android.content.Context;
import android.os.Handler;

import com.android.volley.Request;
import com.android.volley.RequestQueue;
import com.android.volley.toolbox.Volley;
import com.nostra13.universalimageloader.cache.disc.naming.Md5FileNameGenerator;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
import com.nostra13.universalimageloader.core.assist.QueueProcessingType;

public class App extends Application {
    public static final String TAG = App.class.getSimpleName();
    public static final boolean ENCRYPTED = true;
    public static volatile Handler applicationHandler = null;
    private static App application;
    private static Context mContext;
    private static App mInstance;
    private RequestQueue mRequestQueue;

    public static Context getContext() {
        return mContext;
    }

    public static synchronized App getInstance() {
        return mInstance;
    }


    public static void initImageLoader(Context context) {
        ImageLoaderConfiguration.Builder config = new ImageLoaderConfiguration.Builder(context);
        config.threadPriority(Thread.NORM_PRIORITY - 2);
        config.denyCacheImageMultipleSizesInMemory();
        config.diskCacheFileNameGenerator(new Md5FileNameGenerator());
        config.diskCacheSize(50 * 1024 * 1024); // 50 MiB
        config.tasksProcessingOrder(QueueProcessingType.LIFO);
        config.writeDebugLogs(); // Remove for release app

        // Initialize ImageLoader with configuration.
        ImageLoader.getInstance().init(config.build());
    }

    @Override
    public void onCreate() {
        super.onCreate();
        mInstance = this;
        initImageLoader(getApplicationContext());
        application = this;

    }

    public RequestQueue getRequestQueue() {
        if (mRequestQueue == null) {
            mRequestQueue = Volley.newRequestQueue(getApplicationContext());
        }

        return mRequestQueue;
    }

    

    public <T> void addToRequestQueue(Request<T> req) {
        req.setTag(TAG);
        getRequestQueue().add(req);
    }
    @Override
    public void onTerminate() {
        super.onTerminate();
        application = null;
    }

    @Override
    public void onLowMemory() {
        super.onLowMemory();
    }
}