rorduno / Volley-Singleton

A common RequestQueue object for your Android app using Google Volley in the form of a Singleton.

Volley-Singleton

A common RequestQueue object for your Android app using Google Volley in the form of a Singleton.

The singleton provides access to static RequestQueue and ImageLoader objects via its two methods:

    public RequestQueue getRequestQueue(){
        return this.mRequestQueue;
    }
    
    public ImageLoader getImageLoader(){
        return this.mImageLoader;
    }

#Setup

##Import Google Volley Import the Google Volley Library into your Android project

https://android.googlesource.com/platform/frameworks/volley/

##Add VolleySingleton.java Include the VolleySingleton.java class from this repository in your Android application.

##Update the singleton AppContext On line 15 of the VolleySingleton.java class, update the context to be fetched from your Application class.

There is a sample of what your Application class might look like in the MyApplication.java file.

mRequestQueue = Volley.newRequestQueue(MyApplication.getAppContext());

Also make sure that MyApplication is defined in your manifest

<application android:name="com.company.MyApplication">

</application>

##Use it in your code Import the Volley packages

    import com.android.volley.VolleyError;
    import com.android.volley.toolbox.ImageLoader;
    import com.android.volley.toolbox.NetworkImageView;

Instantiate an ImageLoader variable

    private ImageLoader mImageLoader;

Initialize the ImageLoader variable in your OnCreate() method

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        mImageLoader = VolleySingleton.getInstance().getImageLoader();
    }

Use it where appropriate

     NetworkImageView avatar = (NetworkImageView)view.findViewById(R.id.twitter_avatar);
     avatar.setImageUrl("http://someurl.com/image.png",mImageLoader);