xamarin.forms

来源： https://stackoverflow.com/questions/63578856/implementing-custom-webview-in-xamarin-forms

来源： https://stackoverflow.com/questions/63578856/implementing-custom-webview-in-xamarin-forms

来源： https://stackoverflow.com/questions/61749317/how-to-decode-ean128-barcode-with-zxing-barcode-scanning-library

来源： https://stackoverflow.com/questions/61749317/how-to-decode-ean128-barcode-with-zxing-barcode-scanning-library

来源： https://stackoverflow.com/questions/51076479/httpclient-not-accepting-authorization-headers-401-unauthorized

问题 In my application I set the bottom tab bar background color like this: <Shell xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" x:Class="M.Views.AppShell" NavBarIsVisible="True" xmlns:local="clr-namespace:Memorise" BackgroundColor="{DynamicResource ShellBackgroundColor}" TabBarBackgroundColor="{DynamicResource TabBarBackgroundColor}" TabBarDisabledColor="{DynamicResource TabBarDisabledColor}" TabBarForegroundColor="{DynamicResource

问题 In my application I set the bottom tab bar background color like this: <Shell xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" x:Class="M.Views.AppShell" NavBarIsVisible="True" xmlns:local="clr-namespace:Memorise" BackgroundColor="{DynamicResource ShellBackgroundColor}" TabBarBackgroundColor="{DynamicResource TabBarBackgroundColor}" TabBarDisabledColor="{DynamicResource TabBarDisabledColor}" TabBarForegroundColor="{DynamicResource

问题 So i don't actually have a question because i've already solved it, but in case someone else runs into this issue it's always nice to have a neat solution. And while there is a plentitude of "Can't create handler inside thread which has not called Looper.prepare()" - questions there is none tagged with xamarin. (so theirs is all java and i had 0 matches for "Can't create handler inside thread which has not called Looper.prepare() [xamarin]") 回答1: The issue is generated because You tried to do

问题 In my application I have the following situation: <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:conv="clr-namespace:NumericTextBoxTest.Converters;assembly=NumericTextBoxTest" xmlns:numericTextBox="clr-namespace:Syncfusion.SfNumericTextBox.XForms;assembly=Syncfusion.SfNumericTextBox.XForms" x:Class="NumericTextBoxTest.MainPage"> <ScrollView> <StackLayout> <Entry/> <Entry/> <Entry/> <Entry/> <Entry/> <Entry/> <Entry/>

问题 I have Xamarin.Forms project. I have MasterDetailPage inside NavigationPage. I set icon property of the MasterDetailPage so that icon is supposed to be set as the top left position on the navigation bar. But it does not work. public partial class App : Application { public App() { InitializeComponent(); var masterDetailpage = new MasterDetailPage { Icon = "menuIcon.png", Master = new Page { Title = "Sample"}, Detail = new Page() }; MainPage = new NavigationPage(masterDetailpage); } } This