変数を3つの画像に定義する
private int imgList[] = new int[]{
R.drawable.img2,
R.drawable.img3,
R.drawable.img4
};
private int imgId = 0;
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;
右の方へ
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;