• Application Class that extends from Aplication

``` public class App extends Application{

private static Context mContext;

@Override
public void onCreate() {
    super.onCreate();
    mContext = getApplicationContext();
    FacebookSdk.sdkInitialize(mContext);
    //Other Initialisations
} } ```

Change Android name to Application node:

android:name="App"

<application android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:name="App" >

Source: (androids application class)[http://www.intertech.com/Blog/androids-application-class/#ixzz3bQEKgI5N]