// 创建保存照片文件夹	private void CreateFileJPG() {		File file = new File("/sdcard/image");		if (!file.exists()) {			try {				file.mkdirs();			} catch (Exception e) {				// TODO: handle exception				e.printStackTrace();			}		}	}

/**	 * 拍照保存图片	 * */	public void saveMyBitmap() {		FileOutputStream outStream = null;		try {			YuvImage yuvimage = new YuvImage(dataJPG, ImageFormat.NV21,					cameraJPG.getParameters().getPreviewSize().width, cameraJPG							.getParameters().getPreviewSize().height, null);			ByteArrayOutputStream baos = new ByteArrayOutputStream();			yuvimage.compressToJpeg(new Rect(0, 0, cameraJPG.getParameters()					.getPreviewSize().width, cameraJPG.getParameters()					.getPreviewSize().height), 80, baos);			outStream = new FileOutputStream(String.format(					"/sdcard/image/%d.jpg", System.currentTimeMillis()));			outStream.write(baos.toByteArray());			outStream.close();			Toast.makeText(getApplicationContext(), "照片保存成功！",					Toast.LENGTH_SHORT).show();		} catch (FileNotFoundException e) {			e.printStackTrace();		} catch (IOException e) {			e.printStackTrace();		} finally {		}	}

private PreviewCallback mPreviewCallback = new PreviewCallback() {		@Override		public void onPreviewFrame(byte[] data, Camera camera) {			synchronized (MainService.this) {				dataJPG = data;				cameraJPG = camera;			}		}	};