public static CaptureSession Create(SelfView parent)
{
// create a device input and attach it to the session
var captureDevice = AVCaptureDevice.DevicesWithMediaType(AVMediaType.Video).FirstOrDefault(d => d.Position == AVCaptureDevicePosition.Front);
if (captureDevice == null)
{
return(null);
}
var input = AVCaptureDeviceInput.FromDevice(captureDevice);
if (input == null)
{
return(null);
}
var output = new AVCaptureMetadataOutput();
var cs = new CaptureSession(parent, input, output);
// This must be set after the output is added to the sesssion
output.MetadataObjectTypes = AVMetadataObjectType.Face;
return(cs);
}
public override async void ViewDidAppear(bool animated)
{
base.ViewDidAppear(animated);
// Only start video if we're not in the designer
SelfView.Start();
// Give a second and then hide adornments
await Task.Delay(TimeSpan.FromSeconds(1.5));
OnTapped(null);
}
private CaptureSession(SelfView parent, AVCaptureDeviceInput input, AVCaptureMetadataOutput output)
{
this.parent = parent;
this.queue = new DispatchQueue("myQueue");
this.session = new AVCaptureSession {
SessionPreset = AVCaptureSession.PresetMedium
};
session.AddInput(input);
output.SetDelegate(this, queue);
session.AddOutput(output);
}
void ReleaseDesignerOutlets()
{
if (CallButton != null)
{
CallButton.Dispose();
CallButton = null;
}
if (CallView != null)
{
CallView.Dispose();
CallView = null;
}
if (NavBar != null)
{
NavBar.Dispose();
NavBar = null;
}
if (NoveltyBottomConstraint != null)
{
NoveltyBottomConstraint.Dispose();
NoveltyBottomConstraint = null;
}
if (NoveltyLeadingConstraint != null)
{
NoveltyLeadingConstraint.Dispose();
NoveltyLeadingConstraint = null;
}
if (NoveltyList != null)
{
NoveltyList.Dispose();
NoveltyList = null;
}
if (SelfView != null)
{
SelfView.Dispose();
SelfView = null;
}
if (TapRecognizer != null)
{
TapRecognizer.Dispose();
TapRecognizer = null;
}
}
public override void ViewWillDisappear(bool animated)
{
base.ViewWillDisappear(animated);
SelfView.Stop();
}