Issue
I have a problem. When I try to compile my xamarin app, I get the following 4 errors:
1.) Duplicate 'global::Xamarin.Forms.Xaml.XamlFilePathAttribute' attribute MyApp C:\Users\alex\source\repos\MyApp\MyApp\MyApp\obj\Debug\netstandard2.0\RegisterPage.xaml.g.cs
2.) Type 'MainPage' already defines a member called 'InitializeComponent' with the same parameter types
3.) The "FilterAssemblies" task failed unexpectedly. System.IO.FileNotFoundException: Could not find file 'C:\Users\alex\source\repos\MyApp\MyApp\MyApp\bin\Debug\netstandard2.0\MyApp.dll'. File name: 'C:\Users\alex\source\repos\MyApp\MyApp\MyApp\bin\Debug\netstandard2.0\MyApp.dll' at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost) at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share) at Xamarin.Android.Tasks.FilterAssemblies.Execute() at Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute() at Microsoft.Build.BackEnd.TaskBuilder.d__26.MoveNext() MyApp.Android
4.) Metadata file 'C:\Users\alex\source\repos\MyApp\MyApp\MyApp\bin\Debug\netstandard2.0\MyApp.dll' could not be found MyApp.iOS C:\Users\alex\source\repos\MyApp\MyApp\MyApp.iOS\CSC
I'm just started with the app, so I haven't done much so far. The only thing I have done is created 2 content pages with axml.
Here is my RegisterPage.axml:
using Xamarin.Forms;
using Xamarin.Forms.Xaml;
namespace MyApp
{
[XamlCompilation(XamlCompilationOptions.Compile)]
public partial class RegisterPage : ContentPage
{
public RegisterPage()
{
lblSignInAddRecognizer();
}
void lblSignInAddRecognizer()
{
lblSignIn.GestureRecognizers.Add(new TapGestureRecognizer()
{
Command = new Command(() =>
{
DisplayAlert("Task", "Clicked it!", "OK");
})
});
}
}
}
And here is my MainPage:
using Xamarin.Forms;
namespace MyApp
{
[DesignTimeVisible(false)]
public partial class MainPage : ContentPage
{
public MainPage()
{
}
}
}
Any ideas how I can fix this?
Solution
TO get this marked as the answer... .in your XAML File update
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
xmlns:d="http://xamarin.com/schemas/2014/forms/design"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d"
x:Class="SOLTUION_NAME.PAGE_NAME">
TO SOLUTION_NAME to your solution's name and PAGE_NAME to your xaml's name.
This helped me.
Answered By - Steven Marcus
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