Working with the CameraWe encourage using FOCUS_MODE_CONTINUOUSAUTO in your applications whenever it is available on the device. When setting this mode, if the return value of setFocusMode() is TRUE your application will provide sharp camera images for both superior rendering, as well as for robust tracking performance. If the FOCUS_MODE_CONTINUOUSAUTO is not available, the next best option is to implement a 'touch to f
iOS Vuforia error after entering from background
