public static void SetHideFormAccessoryBar(bool hide)
{
if (hide == _hideFormAccessoryBar)
{
return;
}
var uiMethod = class_getInstanceMethod(Class.GetHandle("UIWebBrowserView"), new Selector("inputAccessoryView").Handle);
var wkMethod = class_getInstanceMethod(Class.GetHandle("WKContentView"), new Selector("inputAccessoryView").Handle);
if (hide)
{
UIOriginalImp = method_getImplementation(uiMethod);
WKOriginalImp = method_getImplementation(wkMethod);
var block_value = new BlockLiteral();
CaptureDelegate d = MyCapture;
block_value.SetupBlock(d, null);
var nilimp = imp_implementationWithBlock(ref block_value);
method_setImplementation(uiMethod, nilimp);
method_setImplementation(wkMethod, nilimp);
}
else
{
method_setImplementation(uiMethod, UIOriginalImp);
method_setImplementation(wkMethod, WKOriginalImp);
}
_hideFormAccessoryBar = hide;
}
bool SetupCaptureSession()
{
session = new AVCaptureSession();
AVCaptureDevice device = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
if (device == null)
{
Console.WriteLine("No video camera (in simulator?)");
return(false); // simulator?
}
NSError error = null;
AVCaptureDeviceInput input = AVCaptureDeviceInput.FromDevice(device, out error);
if (input == null)
{
Console.WriteLine("Error: " + error);
}
else
{
session.AddInput(input);
}
AVCaptureMetadataOutput output = new AVCaptureMetadataOutput();
var dg = new CaptureDelegate(this);
output.SetDelegate(dg, MonoTouch.CoreFoundation.DispatchQueue.MainQueue);
session.AddOutput(output);
// This could be any list of supported barcode types
output.MetadataObjectTypes = new NSString[] { AVMetadataObject.TypeQRCode, AVMetadataObject.TypeAztecCode };
// OR you could just accept "all" with the following line;
// output.MetadataObjectTypes = output.AvailableMetadataObjectTypes; // empty
// DEBUG: use this if you're curious about the available types
// foreach (var t in output.AvailableMetadataObjectTypes)
// Console.WriteLine(t);
AVCaptureVideoPreviewLayer previewLayer = new AVCaptureVideoPreviewLayer(session);
//previewLayer.Frame = new RectangleF(0,0, View.Frame.Size.Width, View.Frame.Size.Height);
previewLayer.Frame = new RectangleF(0, 0, 320, 290);
previewLayer.VideoGravity = AVLayerVideoGravity.ResizeAspectFill.ToString();
View.Layer.AddSublayer(previewLayer);
session.StartRunning();
Console.WriteLine("StartRunning");
return(true);
}
private static void Hijack(NSObject obj, string selector, ref IntPtr originalImpl, CaptureDelegate captureDelegate)
{
var method = class_getInstanceMethod(obj.ClassHandle, new Selector(selector).Handle);
originalImpl = method_getImplementation(method);
if (originalImpl != IntPtr.Zero)
{
var block_value = new BlockLiteral();
block_value.SetupBlock(captureDelegate, null);
var imp = imp_implementationWithBlock(ref block_value);
method_setImplementation(method, imp);
}
}
bool SetupCaptureSession()
{
session = new AVCaptureSession();
AVCaptureDevice device = AVCaptureDevice.DefaultDeviceWithMediaType(AVMediaType.Video);
if (device == null) {
Console.WriteLine("No video camera (in simulator?)");
return false; // simulator?
}
NSError error = null;
AVCaptureDeviceInput input = AVCaptureDeviceInput.FromDevice(device, out error);
if (input == null)
Console.WriteLine("Error: " + error);
else
session.AddInput(input);
AVCaptureMetadataOutput output = new AVCaptureMetadataOutput();
var dg = new CaptureDelegate(this);
output.SetDelegate(dg, MonoTouch.CoreFoundation.DispatchQueue.MainQueue);
session.AddOutput(output);
// This could be any list of supported barcode types
output.MetadataObjectTypes = new NSString[] {AVMetadataObject.TypeQRCode, AVMetadataObject.TypeAztecCode};
// OR you could just accept "all" with the following line;
// output.MetadataObjectTypes = output.AvailableMetadataObjectTypes; // empty
// DEBUG: use this if you're curious about the available types
// foreach (var t in output.AvailableMetadataObjectTypes)
// Console.WriteLine(t);
AVCaptureVideoPreviewLayer previewLayer = new AVCaptureVideoPreviewLayer(session);
//previewLayer.Frame = new RectangleF(0,0, View.Frame.Size.Width, View.Frame.Size.Height);
previewLayer.Frame = new RectangleF(0, 0, 320, 290);
previewLayer.VideoGravity = AVLayerVideoGravity.ResizeAspectFill.ToString();
View.Layer.AddSublayer (previewLayer);
session.StartRunning();
Console.WriteLine("StartRunning");
return true;
}
public void AddCaptureCallback(CaptureDelegate func)
{
captureDeletages.Add(func);
}
private static void Hijack(NSObject obj, string selector, ref IntPtr originalImpl, CaptureDelegate captureDelegate)
{
var method = class_getInstanceMethod (obj.ClassHandle, new Selector (selector).Handle);
originalImpl = method_getImplementation (method);
if(originalImpl != IntPtr.Zero) {
var block_value = new BlockLiteral();
block_value.SetupBlock(captureDelegate, null);
var imp = imp_implementationWithBlock(ref block_value);
method_setImplementation(method, imp);
}
}
private void ImageCapTimer_Tick(object sender, EventArgs e)
{
CaptureDelegate captureDelegate = new CaptureDelegate(InternalCapture);
captureDelegate.BeginInvoke(null, null);
}
