Android: how to display camera preview with callback?

Question

What I need to do is quite simple, I want to manually display preview from camera using camera callback and I want to get at least 15fps on a real device. I don\'t even need

Answer 1

Is this not what you want? Just use a SurfaceView in your layout, then somewhere in your init like onResume():

SurfaceView surfaceView = ...
SurfaceHolder holder = surfaceView.getHolder();
...
Camera camera = ...;
camera.setPreviewDisplay(holder);

It just sends the frames straight to the view as fast as they arrive.

If you want grayscale, modify the camera parameters with setColorEffect("mono").