从public void onPreviewFrame(byte[] data, Camera arg1)拿到Bitmap(收集)

        private PreviewCallback pc = new PreviewCallback(){
            public void onPreviewFrame(byte[] data, Camera arg1) {
                Camera.Parameters parameters=arg1.getParameters();
                int imageFormat=parameters.getPreviewFormat();
                int w=parameters.getPreviewSize().width;
                int h=parameters.getPreviewSize().height;
                Rect rect=new Rect(,,w,h);
                YuvImage yuvImg = new YuvImage(data,imageFormat,w,h,null);
                try {
                    ByteArrayOutputStream outputstream = new ByteArrayOutputStream();
                    yuvImg.compressToJpeg(rect, , outputstream);
                    appBitmap.rawbitmap = BitmapFactory.decodeByteArray(outputstream.toByteArray(), , outputstream.size());  

                    //BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(Environment.getExternalStorageDirectory().getPath()+"/fp.jpg"));
                    //img.compressToJpeg(rect, 100, bos);
                    //bos.flush();
                    //bos.close();
                    camera.startPreview();
                    }
                catch (Exception e) {  }

                if( == random.nextInt()){
                    Message msgCapture = Message.obtain();
                    msgCapture.what = success;
                    msgHandler.sendMessage(msgCapture);
                    }

                else{
                    Message msgCapture = Message.obtain();
                    msgCapture.what = failure;
                    msgHandler.sendMessage(msgCapture);
                    }
                }
        };

来源：http://blog.csdn.net/hipilee/article/details/8629234