Android - Fail to connect to camera

Question

I\'m using the Android APIDemo sample code.

When I run the CameraPreview example, at first it was giving me an error.

I traced that one down and the sample

Answer 1

Be sure to properly release all the aquired camera resources:

    @Override
public void surfaceDestroyed(SurfaceHolder holder) {
    if (mCam != null) {
        mCam.stopPreview();
        mCam.setPreviewCallback(null);
        mCam.release();
        mCam = null;
    }
}

    @Override
public void surfaceCreated(SurfaceHolder holder) {
    if (mCam == null) {
        mCam = Camera.open();
        try {
            mCam.setPreviewDisplay(holder);

            // TODO test how much setPreviewCallbackWithBuffer is faster
            mCam.setPreviewCallback(this);
        } catch (IOException e) {
            mCam.release();
            mCam = null;
        }
    }
}