private void OpenCamera()
{
try
{
var version = Build.VERSION.SdkInt;
if (version >= BuildVersionCodes.Gingerbread)
{
Android.Util.Log.Debug(MobileBarcodeScanner.TAG, "Checking Number of cameras...");
var numCameras = Camera.NumberOfCameras;
var camInfo = new Camera.CameraInfo();
var found = false;
Android.Util.Log.Debug(MobileBarcodeScanner.TAG, "Found " + numCameras + " cameras...");
var whichCamera = CameraFacing.Back;
if (_scanningOptions.UseFrontCameraIfAvailable.HasValue &&
_scanningOptions.UseFrontCameraIfAvailable.Value)
{
whichCamera = CameraFacing.Front;
}
for (var i = 0; i < numCameras; i++)
{
Camera.GetCameraInfo(i, camInfo);
if (camInfo.Facing == whichCamera)
{
Android.Util.Log.Debug(MobileBarcodeScanner.TAG,
"Found " + whichCamera + " Camera, opening...");
Camera = Camera.Open(i);
_cameraId = i;
found = true;
break;
}
}
if (!found)
{
Android.Util.Log.Debug(MobileBarcodeScanner.TAG,
"Finding " + whichCamera + " camera failed, opening camera 0...");
Camera = Camera.Open(0);
_cameraId = 0;
}
}
else
{
Camera = Camera.Open();
}
if (Camera != null)
{
Camera.SetPreviewCallback(_cameraEventListener);
}
else
{
MobileBarcodeScanner.LogWarn(MobileBarcodeScanner.TAG, "Camera is null :(");
}
}
catch (Exception ex)
{
ShutdownCamera();
MobileBarcodeScanner.LogError("Setup Error: {0}", ex);
}
}