Gets the CameraManager singleton instance. @return A reference to the CameraManager singleton.

Convert time to a string @param millis e.g.time/length from file @return formated string (hh:)mm:ss

Calculates the framing rect which the UI should draw to show the user where to place the barcode. This target helps with alignment as well as forces t

Asks the camera hardware to perform an autofocus. @param handler The Handler to notify when the autofocus completes. @param message The message to de

A single preview frame will be returned to the handler supplied. The data will arrive as byte[] in the message.obj field, with width and height encode

A factory method to build the appropriate LuminanceSource object based on the format of the preview buffers, as described by Camera.Parameters. @para

Closes the camera driver if still in use.

Decode the data within the viewfinder rectangle, and time how long it took. For efficiency, reuse the same reader objects from one decode to the next.

Like {@link #getFramingRect} but coordinates are in terms of the preview frame, not UI / screen.

Handler scan result @param result @param barcode

Initializes this static object with the Context of the calling Activity. @param context The Activity which wants to use the camera.

Reads, one time, values from the camera that are needed by the app.

Opens the camera driver and initializes the hardware parameters. @param holder The surface object which the camera will draw preview frames into. @th

Sets the camera up to take preview images which are used for both preview and decoding. We detect the preview format here so that buildLuminanceSource