AssetManager assetManager = getAssets();  

AssetManager assetManager = getAssets();   
  
     
    try {   
      String[] files = assetManager.list("Files");   
  
      for(int i=0; i<FILES.LENGTH;       
 
      { 
 
。。。。。。。 
       } 

try {  
       
      InputStream ims = assetManager.open("android_logo_small.jpg");   
  
       Drawable d = Drawable.createFromStream(ims, null);   
  
      // set the drawable to imageview   
      imgAssets.setImageDrawable(d);