public ReceivePage(BottomTabbedPage tabbedContext)
{
InitializeComponent();
BindingContext =
ViewModel =
new ReceiveViewModel(this, tabbedContext);
var qrHeight = (int)(App.ScreenHeight * 0.45);
Device.BeginInvokeOnMainThread(() =>
{
var qrImageView = new ZXingBarcodeImageView
{
BarcodeFormat = BarcodeFormat.QR_CODE,
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
BarcodeOptions = new EncodingOptions
{
Width = qrHeight,
Height = qrHeight
}
};
qrImageView.SetBinding(
ZXingBarcodeImageView.BarcodeValueProperty,
new Binding(nameof(ViewModel.RequestString)));
QrWrapper.HeightRequest = qrHeight;
QrWrapper.Children.Add(qrImageView);
});
}
public QrCodeView()
{
barcodeImageView.BarcodeFormat = ZXing.BarcodeFormat.QR_CODE;
barcodeImageView.BarcodeOptions.Width = 300;
barcodeImageView.BarcodeOptions.Height = 300;
barcodeImageView.BarcodeOptions.Margin = 10;
barcodeImageView.BarcodeValue = "ZXing.Net.Mobile";
#region label
var label = new Label
{
Text = "QR Code Generator",
HorizontalTextAlignment = TextAlignment.Center,
FontSize = 25
};
#endregion
#region entry
entry = new Entry
{
Placeholder = "Insert Your code here",
HorizontalTextAlignment = TextAlignment.Center
};
entry.SetBinding(Entry.TextProperty, "QrCodeValue");
#endregion
#region barcode ImageView
barcodeImageView = new ZXingBarcodeImageView
{
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
AutomationId = "zxingBarcodeImageView",
BarcodeFormat = ZXing.BarcodeFormat.QR_CODE,
HeightRequest = 300,
WidthRequest = 300,
Margin = 10
};
barcodeImageView.SetBinding(ZXingBarcodeImageView.BarcodeValueProperty, "QrCodeValue");
#endregion
stackLayout = new StackLayout
{
Children =
{
label,
entry,
barcodeImageView
},
VerticalOptions = LayoutOptions.FillAndExpand
};
Content = stackLayout;
}
