面对在录制video时截取屏幕截图的问题

我正在尝试录制video时拍摄屏幕截图。 我可以截取屏幕截图并将其保存到我的SD卡中。 但它在Sd卡上显示空白图像。 有人可以帮我摆脱这个吗？

我使用下面的代码捕获屏幕截图：

View v1 = cameraView; // CameraView is object of SurfaceView v1.setDrawingCacheEnabled(true); Bitmap bm = Bitmap.createBitmap(v1.getDrawingCache()); OutputStream outStream = null; File file = new File(Environment.getExternalStorageDirectory(), "test12345658.jpeg"); try { outStream = new FileOutputStream(file); bm.compress(Bitmap.CompressFormat.JPEG, 100, outStream); outStream.flush(); outStream.close(); Log.i("Hub", "OK, Image Saved to SD"); Log.i("Hub", "height = "+ bm.getHeight() + ", width = " + bm.getWidth()); } catch (FileNotFoundException e) { e.printStackTrace(); Log.i("Hub", "FileNotFoundException: "+ e.toString()); } catch (IOException e) { e.printStackTrace(); Log.i("Hub", "IOException: "+ e.toString()); }