Android : animate an ImageView with multiple bitmaps

AnimationImageView.java

package com.example.views;

import java.util.ArrayList;

import android.content.Context;
import android.graphics.Bitmap;
import android.os.Handler;
import android.util.AttributeSet;
import android.view.View;
import android.widget.ImageView;

public class ImageViewWithAnimation extends ImageView {
	
	private ArrayList<Bitmap> bitmapArray;
	private int interval = 1000; 
	private int currentPosition;
	
	public Thread animationThread;
	public Context mContext;
	private Handler mHandler;
	
	public boolean stopRunnable = false ;
	
	//　■□■□■□■□■□■□■□■□■□■□■□
	//　Constructors
	//　■□■□■□■□■□■□■□■□■□■□■□
	
	public ImageViewWithAnimation(final Context context) {
		this(context, null);
	}

	public ImageViewWithAnimation(final Context context, final AttributeSet attrs) {
		this(context, attrs, 0);
	}

	public ImageViewWithAnimation(final Context context, final AttributeSet attrs,final int defStyle) {
		super(context, attrs, defStyle);
		this.mContext=context;
		mHandler = new Handler();
		bitmapArray = new ArrayList<Bitmap>();
	}
	

	/*
	 * set interval in Milliseconds between images flip
	 */
	public void setInterval(int ms){
		this.interval=ms;
	}
	
	/*
	 * Add multiples images at once
	 */
	public void addImages(Bitmap... bm){
		for(Bitmap b : bm)
			this.bitmapArray.add(b);	
	}
	
	/*
	 * Add one image
	 */
	public void addImage(Bitmap bm){
		this.bitmapArray.add(bm);	
	}
	
	/*
	 * Start animation
	 */
	public void launchAnimation(){
		
		if(bitmapArray.size()>1){
			mStatusChecker.run(); 
		}else if(bitmapArray.size()==1){
			setImageBitmap(bitmapArray.get(0));
		}else{
			setVisibility(View.GONE);
		}
	}
		
	/*
	 *  Runnable for update image
	 */
	Runnable mStatusChecker = new Runnable() {
	    @Override 
	    public void run() {	    	
	    	if(!stopRunnable){
	    		setImageBitmap(bitmapArray.get(getNextImagePosition()));
	    		mHandler.postDelayed(mStatusChecker, interval);
	    	}
	    }
	  };
	  
	  
	  /*
	   * get next image position to display
	   */
	  public int getNextImagePosition(){	  
		  if(bitmapArray.size()> currentPosition+1)
			  currentPosition++;
		  else
			  currentPosition=0;		  
		  return currentPosition;		  
	  }
	  
	  /*
	   * Stop image animation
	   */
	  public void stopImage(){
		  stopRunnable=true;
		  for(Bitmap bm: bitmapArray){
			  bm.recycle();
		  }
		  
	  }
	
}