保存图片到本地并可以在相册中显示出来

public class SavePictureUtils {    /**     * 首先默认个文件保存路径     */    private static final String SAVE_PIC_PATH = Environment.getExternalStorageState().equalsIgnoreCase(Environment.MEDIA_MOUNTED) ? Environment.getExternalStorageDirectory().getAbsolutePath() : "/mnt/sdcard";//保存到SD卡    private static final String SAVE_REAL_PATH = SAVE_PIC_PATH + "/qujiayou/savePic";//保存的确切位置    public static void saveFile(Bitmap bm, String fileName, String path) throws IOException {        String subForder = SAVE_REAL_PATH + path;                File foder = new File(subForder);        if (!foder.exists()) {            foder.mkdirs();        }        File myCaptureFile = new File(subForder, fileName);        if (!myCaptureFile.exists()) {            myCaptureFile.createNewFile();        }        BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(myCaptureFile));        bm.compress(Bitmap.CompressFormat.JPEG, 80, bos);        bos.flush();        bos.close();        Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);        Uri uri = Uri.fromFile(myCaptureFile);        intent.setData(uri);        context.sendBroadcast(intent);//这个广播的目的就是更新图库，发了这个广播进入相册就可以找到你保存的图片了！，记得要传你更新的file哦    }}