import android.app.Activity;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Spinner;
import android.widget.Toast;

public class SpinnerItemSelectedListener implements Spinner.OnItemSelectedListener {

    public Activity activity;

    public SpinnerItemSelectedListener(Activity activity) {
        this.activity = activity;
    }

    @Override
    public void onItemSelected(AdapterView<?> adapterView, View view, int i, long l) {
        Toast.makeText(activity, "Spinner: " + adapterView.getItemAtPosition(i).toString(), Toast.LENGTH_LONG).show();
    }

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

    }
}