question: private void cancelTakeImage ( ) { mShootedPicturePath = null ; mSelectedGalleryItemsList . clear ( ) ; VectorApp . setSavedCameraImagePreview ( null ) ; startCameraPreview ( ) ; updateUiConfiguration ( UI_SHOW_CAMERA_PREVIEW , IMAGE_ORIGIN_CAMERA ) ; }
target:  Cancel the current image preview, and setup the UI to start a new image capture.