Create a camera preview control using the CreateCameraView function of the app object:
This control allows your program to show a live feed of what is currently being seen by the phone/tablet's camera. If your device has a front facing camera and is at least version 2.3 of Android you can use the "Front" option to show the front camera's preview.
You will need to call the StartPreview function of the CameraView control to start the preview (Note: On some phones it is neccessary to wait at least one second before calling the StartPreview function).
See 'CreateCameraView for more informations and a complete function list