Android - MapView inside ScrollView fix bug

gistfile1.txt

public class ScrollMapView extends MapView {

    private final static String TAG = "ScrollMapView";

    public ScrollMapView(Context context) {
        super(context);
    }

    public ScrollMapView(Context context, AttributeSet attributeSet) {
        super(context, attributeSet);
    }

    @Override
    public boolean dispatchTouchEvent(MotionEvent ev) {
        switch (ev.getAction()) {
            case MotionEvent.ACTION_UP:
                LogUtil.i(TAG, "unlocked");
                this.getParent().requestDisallowInterceptTouchEvent(false);
                break;
            case MotionEvent.ACTION_DOWN:
                LogUtil.i(TAG, "locked");
                this.getParent().requestDisallowInterceptTouchEvent(true);
                break;
        }
        return super.dispatchTouchEvent(ev);
    }
}