ImageUtils.java 文件源码

public static void saveImage(Context context, String fileName,
                             Bitmap bitmap, int quality) throws IOException {
    if (bitmap == null || fileName == null || context == null)
        return;

    FileOutputStream fos = context.openFileOutput(fileName,
            Context.MODE_PRIVATE);
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    bitmap.compress(CompressFormat.JPEG, quality, stream);
    byte[] bytes = stream.toByteArray();
    fos.write(bytes);
    fos.close();
}