ObservableViewPager.java

package at.favre.lib.dali.view;

import android.content.Context;
import android.graphics.Canvas;
import android.support.v4.view.ViewPager;
import android.util.AttributeSet;

/**
 * Created by PatrickF on 29.05.2014.
 */
public class ObservableViewPager extends ViewPager {

	private Observers.DrawListener onDrawListener;

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

	public ObservableViewPager(Context context, AttributeSet attrs) {
		super(context, attrs);
	}

	@Override
	protected void onDraw(Canvas canvas) {
		super.onDraw(canvas);
		if(onDrawListener != null) {
			onDrawListener.onDraw(canvas);
		}
	}

	public void setOnDrawListener(Observers.DrawListener onDrawListener) {
		this.onDrawListener = onDrawListener;
	}
}