System.ArgumentException：型パラメータ名：型がJava型から派生しない

Question

こんにちは私はxamrianのネイティブとxamrianの両方の形式で書かれたアンドロイドのアプリケーションを持っています。

System.ArgumentException: type Parameter name: Type is not derived from a java type. 

ここにボタンがあるページのための私のコードがあります：私は、デバイス上でこれを実行し、クリックしてくださいしかしxamrianフォームユーザーのクリックが、この場合のbutton_1でボタンがあります私は、このエラーにより、次のクラッシュを取得ボタンとその上に：

using Android.App; 
using Android.Content; 
using Android.Views; 
using Android.Widget; 
using Android.OS; 
using Xamarin.Forms.Platform.Android; 

namespace ReadyMo.Droid 
{ 
    [Activity(Label = "ReadyMO", MainLauncher = true, Icon = "@drawable/icon")] 
    public class MainActivityHomeView : FormsApplicationActivity 
    { 

     Button button; 


     protected override void OnCreate(Bundle bundle) 
     { 
      base.OnCreate(bundle); 

      // Set our view from the "main" layout resource 
      SetContentView(Resource.Layout.Main); 




      //This is the button im having issues with!!!!!! 

      //Code That opens the Settings Activity 

      button = FindViewById<Button>(ReadyMo.Droid.Resource.Id.button_1); 

      button.Click += (sender, e) => { 
       // this is our Xamarin.Forms screen 
       StartActivity(typeof(SettingsView)); 
      }; 




     } 




    //Code That Opens The Tips Activity! 

    [Java.Interop.Export("Tips")] // The value found in android:onClick attribute. 
     public void btnOneClick1(View v) // Does not need to match value in above attribute. 
     { 
      StartActivity(typeof(Tips)); 
     } 

     //Code That Opens The Contact Activity! 

     [Java.Interop.Export("contact")] // The value found in android:onClick attribute. 
     public void btnOneClick2(View v) // Does not need to match value in above attribute. 
     { 
      StartActivity(typeof(Contact)); 
     } 


     //Code That Opens The Modot Activity! 

     [Java.Interop.Export("modot")] // The value found in android:onClick attribute. 
     public void btnOneClick3(View v) // Does not need to match value in above attribute. 
     { 
      StartActivity(typeof(Modot)); 
     } 


     //Code That Opens The Weather Activity! 

     [Java.Interop.Export("wether")] // The value found in android:onClick attribute. 
     public void btnOneClick4(View v) // Does not need to match value in above attribute. 
     { 
      StartActivity(typeof(Weather)); 
     } 



     //Code That sends a email to mosema@sema.dps.mo.gov 

     [Java.Interop.Export("email")] // The value found in android:onClick attribute. 
     public void btnOneClick5(View v) // Does not need to match value in above attribute. 
     { 
      var email = new Intent(Android.Content.Intent.ActionSend); 
      email.PutExtra(Android.Content.Intent.ExtraEmail, new string[] { "mosema@sema.dps.mo.gov" }); 
      email.PutExtra(Android.Content.Intent.ExtraSubject, "SEMA"); 
      email.PutExtra(Android.Content.Intent.ExtraText, "Sent Using The ReadyMO App"); 
      email.SetType("message/rfc822"); 
      StartActivity(email); 
     } 


     //Code That Opens Calls The State Emergency Management Agency ! 

     [Java.Interop.Export("call")] // The value found in android:onClick attribute. 
     public void btnOneClick6(View v) // Does not need to match value in above attribute. 
     { 

      var uri = Android.Net.Uri.Parse("tel:5735269100"); 
       var intent = new Intent(Intent.ActionDial, uri); 
       StartActivity(intent); 
      } 

     //Code That Opens The Fax Activity! 

     [Java.Interop.Export("fax")] // The value found in android:onClick attribute. 
     public void btnOneClick7(View v) // Does not need to match value in above attribute. 
     { 
      StartActivity(typeof(Fax)); 
     } 




    } 
    } 

何か助けが素晴らしいだろう！

ありがとうございます！

[Activity(Label = "ReadyMO", MainLauncher = true, Icon = "@drawable/icon")] 
    public class MainActivityHomeView : FormsApplicationActivity 
    { 

へ：：:)問題になってしまったものを

Answer 1

は私が変更さFormsApplicationActivityた

[Activity(Label = "ReadyMO", MainLauncher = true, Icon = "@drawable/icon")] 
    public class MainActivityHomeView : Activity 
    { 

は、今ではクラッシュしません！