2014/10/16 上午 08:11:03

android Programming Glossary: camera.setpreviewcallback

How to draw an overlay on a SurfaceView used by Camera on Android?

http://stackoverflow.com/questions/2933882/how-to-draw-an-overlay-on-a-surfaceview-used-by-camera-on-android

public void surfaceCreated final SurfaceHolder holder camera Camera.open try camera.setPreviewDisplay holder camera.setPreviewCallback new PreviewCallback public void onPreviewFrame byte data Camera arg1 invalidar catch IOException e public void invalidar..

switch back/front camera on fly

http://stackoverflow.com/questions/6599454/switch-back-front-camera-on-fly

params private void stopCamera System.out.println stopCamera method if camera null camera.stopPreview camera.setPreviewCallback null camera.release camera null holder.removeCallback listener holder null android camera switching share improve this..

Creating RTP Packets from Android Camera to Send

http://stackoverflow.com/questions/7332532/creating-rtp-packets-from-android-camera-to-send

rtpSession new RtpSession rtpSocket rtcpSocket public void surfaceCreated SurfaceHolder holder try camera Camera.open camera.setPreviewCallback new PreviewCallback public void onPreviewFrame byte _data Camera _camera int height 240 try rtps.sendData _data catch..

android: camera onPause/onResume issue

http://stackoverflow.com/questions/7935292/android-camera-onpause-onresume-issue

camera.stopPreview public void releaseCamera cameraActivity.log releaseCamera if camera null camera.stopPreview camera.setPreviewCallback null camera.release camera null android camera galaxy share improve this question This is how I fixed it 100 finally..

Android Camera will not work. startPreview fails

http://stackoverflow.com/questions/7942378/android-camera-will-not-work-startpreview-fails

SC try camera.setPreviewDisplay holder catch IOException e Debug.out Could not set preview display for camera. camera.setPreviewCallback this public void surfaceDestroyed SurfaceHolder holder Surface will be destroyed when we return so stop the preview. Because..

Android: how to display camera preview with callback?

http://stackoverflow.com/questions/8350230/android-how-to-display-camera-preview-with-callback

and you have to process it somehow which is the main performance problem. I'm using API 8. In all cases I'm using camera.setPreviewCallbackWithBuffer that is faster than camera.setPreviewCallback . It seems that I cant get about 24 fps here if I'm not displaying.. performance problem. I'm using API 8. In all cases I'm using camera.setPreviewCallbackWithBuffer that is faster than camera.setPreviewCallback . It seems that I cant get about 24 fps here if I'm not displaying the preview. So there is not the problem. I have tried..