Android Activity method from the adapter class

Android Activity method from the adapter class

Below the example for how to call activity method from adapter class.

Some time I try to call activity method from base adapter or adapter class but I unable to call this method or I am getting some error. So finally I got the solution .
Below the code
Create Interface Class 

public interface RefreshInterface {

public void refresh();

}

Then implement this interface to your activity class.

@Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

MyArrayAdapter myAdapter = new MyArrayAdapter(getApplicationContext(), R.layout.appsview_item, List, new RefreshInterface () {

                 

                  @Override

                  public void refresh() {

                        

          //do something here

                       

                  }

            });  

}

 

Call activity method from adapter class

public class MyArrayAdapterextends ArrayAdapter<Structure> {

 

RefreshInterface intr;

public MyArrayAdapter(Context context, int textViewResourceId,

                  List<App> objects, RefreshInterface refreshInt) {

            super(context, textViewResourceId, objects);

           

            intr = refreshInt;

      

}

public View getView(final int position, View appView, ViewGroup parent) {

//this is your activity method

intr.refresh();

}

}