BitmapUtils.java 文件源码

public Bitmap getBitmapWith(InputStream inputStream, Rect rect) {
    try {
        BitmapRegionDecoder bitmapRegionDecoder = BitmapRegionDecoder.newInstance(inputStream, false);
        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inPreferredConfig = Bitmap.Config.RGB_565;
        Bitmap bitmap = bitmapRegionDecoder.decodeRegion(rect, options);
        return bitmap;
    } catch (IOException e) {
        e.printStackTrace();
    }
    return null;
}