android 点击切换图片

定义变量放入三个图片

 private int imgList[] = new int[]{
    
    
            R.drawable.img2,
            R.drawable.img3,
            R.drawable.img4
    };
    private int imgId = 0;

向左

case R.id.address_update_left://向左显示图片
     imgId--;
     if (imgId < 0)
         imgId = imgList.length - 1;
     mAddressUpdateImg.setImageResource(imgList[imgId]);
     break;

向右

 case R.id.address_update_right://向右显示图片
      imgId++;
       if (imgId > imgList.length - 1)
           imgId = 0;
       mAddressUpdateImg.setImageResource(imgList[imgId]);
       break;