CameraManager detects flash on front camera, but it shouldn't about cameramanager HOT 2 CLOSED

    let devices = AVCaptureDevice.devicesWithMediaType(AVMediaTypeVideo)

    for  device in devices  {

        let captureDevice = device as! AVCaptureDevice

        if (captureDevice.position == .Back && cameraDevice == .Back) {
            return captureDevice.hasFlash
        } else if(captureDevice.position == .Front && cameraDevice == .Front) {
            return captureDevice.hasFlash
        }
    }

    return false
}