A factory method to build the appropriate LuminanceSource object based on the
format of the preview
Closes the camera driver if still in use.
Calculates the framing rect which the UI should draw to show the user where to
place the barcode. Th
Like #getFramingRect but coordinates are in terms of the preview frame, not UI /
Opens the camera driver and initializes the hardware parameters.
A single preview frame will be returned to the handler supplied. The data will
arrive as byte in t
Allows third party apps to specify the camera ID, rather than determine it
automatically based on av
Allows third party apps to specify the scanning rectangle dimensions, rather
than determine them aut
Asks the camera hardware to begin drawing preview frames to the screen.