bool SetupCaptureSession ()
{
// configure the capture session for low resolution, change this if your code
// can cope with more data or volume
session = new AVCaptureSession () {
SessionPreset = AVCaptureSession.PresetMedium
};
// create a device input and attach it to the session
var captureDevice = AVCaptureDevice.DefaultDeviceWithMediaType (AVMediaType.Video);
var input = AVCaptureDeviceInput.FromDevice (captureDevice);
if (input == null){
// No input device
return false;
}
session.AddInput (input);
// create a VideoDataOutput and add it to the sesion
var output = new AVCaptureVideoDataOutput () {
VideoSettings = new AVVideoSettings (CVPixelFormatType.CV32BGRA)
};
// configure the output
queue = new DispatchQueue ("myQueue");
qrScanner = new QrScanner (this);
output.SetSampleBufferDelegateAndQueue (qrScanner, queue);
session.AddOutput (output);
previewLayer = new AVCaptureVideoPreviewLayer (session);
previewLayer.Orientation = AVCaptureVideoOrientation.Portrait;
previewLayer.VideoGravity = "AVLayerVideoGravityResizeAspectFill";
session.StartRunning ();
return true;
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
scanner = new QrScanner(this);
SetContentView(scanner);
}
protected override void OnCreate (Bundle bundle)
{
base.OnCreate (bundle);
scanner = new QrScanner (this);
SetContentView (scanner);
}
private async void QrButton_Tapped(object sender, EventArgs e)
{
bool hasCameraAccess = await AppPermission.Camera();
if (hasCameraAccess)
{
QrScanner scannerPage = new QrScanner();
scannerPage.BindMethod(QrScannerCallback);
await App.Navigation.NavigateModalByRenderer(scannerPage);
}
else
{
Utils.Toast("Allow permission to access camera");
}
}
private async void OpenQrScanner(object sender, EventArgs e)
{
bool hasCameraAccess = await AppPermission.Camera();
if (hasCameraAccess)
{
QrScanner scannerPage = new QrScanner();
scannerPage.BindMethod(OnScannedResult);
await App.Navigation.NavigateByRenderer(scannerPage);
}
else
{
Utils.Toast("Allow permission to access camera");
}
}
bool SetupCaptureSession()
{
// configure the capture session for low resolution, change this if your code
// can cope with more data or volume
session = new AVCaptureSession()
{
SessionPreset = AVCaptureSession.PresetMedium
};
// create a device input and attach it to the session
var captureDevice = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
if (captureDevice == null)
{
// No input device
return(false);
}
var input = AVCaptureDeviceInput.FromDevice(captureDevice);
if (input == null)
{
// No input device
return(false);
}
session.AddInput(input);
// create a VideoDataOutput and add it to the sesion
var output = new AVCaptureVideoDataOutput()
{
VideoSettings = new AVVideoSettings(CVPixelFormatType.CV32BGRA)
};
// configure the output
queue = new DispatchQueue("myQueue");
qrScanner = new QrScanner(this);
output.SetSampleBufferDelegateAndQueue(qrScanner, queue);
session.AddOutput(output);
previewLayer = new AVCaptureVideoPreviewLayer(session);
previewLayer.Orientation = AVCaptureVideoOrientation.Portrait;
previewLayer.VideoGravity = "AVLayerVideoGravityResizeAspectFill";
session.StartRunning();
return(true);
}
private void button1_Click(object sender, EventArgs e)
{
QrScanner AE = new QrScanner();
AE.Show();
}
private void button2_Click(object sender, EventArgs e)
{
QrScanner q = new QrScanner();
q.Show();
}
