我想在 Xamarin.Forms 中为我的页面使用自定义 ContentPage。我尝试创建一个自定义类并在 xaml 中指定页面,如下所示:
<local:ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
xmlns:local="clr-namespace:XamarinFormsApp.Controls"
x:Class="XamarinFormsApp.Views.WelcomeView">
<Label Text="{Binding MainText}" VerticalOptions="Center" HorizontalOptions="Center" />
</local:ContentPage>
这将(通常)在 xaml 中工作,但在 Xamarin.Forms 中给了我这个错误:
Error 7 The "XamlG" task failed unexpectedly.
System.Exception: Can't load types from xmlns clr-namespace:XamarinFormsApp.Controls
at Xamarin.Forms.Build.Tasks.XamlG.GetNamespace(String namespaceuri)
at Xamarin.Forms.Build.Tasks.XamlG.GetType(String nsuri, String type, IList`1 typeArguments, Func`2 getNamespaceOfPrefix)
at Xamarin.Forms.Build.Tasks.XamlG.GenerateFile(String xamlFile, String outFile)
at Xamarin.Forms.Build.Tasks.XamlG.Execute()
at Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute()
at Microsoft.Build.BackEnd.TaskBuilder.<ExecuteInstantiatedTask>d__20.MoveNext() XamarinFormsApp.iOS
这(还)不受支持还是我做错了什么?