ImageOptions

    public static ImageOptions smallImageOptions;    public static ImageOptions bigImageOptions;static {    smallImageOptions = new ImageOptions.Builder()            .setImageScaleType(ImageView.ScaleType.FIT_CENTER)             //等比例放大/缩小到充满长/宽居中显示            .setLoadingDrawableId(R.drawable.default_image)            .setFailureDrawableId(R.drawable.default_image)            //.setConfig(Bitmap.Config.RGB_565)            .build();    bigImageOptions = new ImageOptions.Builder()            //等比例缩小到充满长/宽居中显示, 或原样显示            .setLoadingDrawableId(R.drawable.default_image)            .setFailureDrawableId(R.drawable.default_image)            .setConfig(Bitmap.Config.ARGB_8888)            .build();}