Originally Posted by jonbonazza
Interesting.... It seems that what you posted was, indeed, the entire error message... That's odd, as it doesn't make any mention of YOUR application. This would imply that it is a problem with either (a) the SDK code, or (b) the hardware drivers. The SDK code does work, so that only leaves scenario (b). Unfortunately, I don't really know what to tell you going forward.
What device is it?
Speedata MT35A from china.
but the camera in this device is work normally. when i try without my application, camera can take picture successfully