OnChangeListener Spinner

CustomOnItemSelectedListener.java

import android.util.Log;
import android.view.View;
import android.widget.AdapterView;

/**
 * Created by do_f on 20/06/16.
 */
 
public abstract class CustomOnItemSelectedListener implements AdapterView.OnItemSelectedListener {
    @Override
    public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
        changeListener(parent.getItemAtPosition(position).toString());
    }

    @Override
    public void onNothingSelected(AdapterView<?> parent) {

    }

    abstract public void changeListener(String name);
}

howToUse.java

type.setOnItemSelectedListener(new CustomOnItemSelectedListener() {
    @Override
    public void changeListener(String name) {

    }
});