Android Widget Recursive Clear Form

WidgetUtil.java

import android.view.View;
import android.view.ViewGroup;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.RadioGroup;
import android.widget.ScrollView;

/**
 * Created by null on 3/22/15.
 */
public class WidgetUtil {

    public static void clearForm(ViewGroup vg) {
        int child_count = vg.getChildCount();
        for (int i = 0; i < child_count; i++) {
            View v = vg.getChildAt(i);

            if (v instanceof ScrollView) {
                ((ScrollView) v).smoothScrollTo(0, 0);
            } else if (v instanceof EditText) {
                ((EditText) v).setText("");
            } else if (v instanceof RadioGroup) {
                ((RadioGroup) v).clearCheck();
            } else if (v instanceof CheckBox) {
                ((CheckBox) v).setChecked(false);
            }

            if (v instanceof ViewGroup) {
                //Viewgroup Recursive find
                WidgetUtil.clearForm((ViewGroup) v);
            }

        }
    }
}