[iPhone Dev] Front/Rear Camera Change

// Camera Count

int camera_i = [[AVCaptureDevice devicesWithMediaType:AVMediaTypeVideo] count];

NSLog(@"camera_i: %i",camera_i);

if (camera_i > 1) {

    // btn_Swap Visable

    self.btn_Swap.hidden = NO;

    [self.view bringSubviewToFront:self.btn_Swap];

} else {

    self.btn_Swap.hidden = YES;

}