[mono-android] Custom Application Object

[BernhardGessler at cs-ag.de]

Hi,

i am, trying to have my own application object:

using Android.App;

namespace CSMobile.UI
{
    [Application()]
    class MyApp : Application
    {
        private string _test;

        public string Test
        {
            get { return _test; }
            set { _test = value; }
        }

        public override void OnCreate()
        {
            base.OnCreate();

            Program_Logic logic = new Program_Logic();
            logic.LoadConfig(this);
        } 
    }
}


But when i start the Application the following error throws:

03-21 15:03:43.280  5877  5877 I MonoDroid: UNHANDLED EXCEPTION: 
System.NotSupportedException: Unable to activate instance of type 
CSMobile.UI.MyApp from native handle 459ebe48 ---> 
System.MissingMethodException: No constructor found for 
CSMobile.UI.MyApp::.ctor(System.IntPtr)
03-21 15:03:43.280  5877  5877 I MonoDroid:   at 
Android.Runtime.TypeManager.CreateProxy (System.Type type, IntPtr handle) 
[0x00000] in <filename unknown>:0 
03-21 15:03:43.280  5877  5877 I MonoDroid:   at 
Android.Runtime.TypeManager.CreateInstance (IntPtr handle, System.Type 
targetType) [0x00000] in <filename unknown>:0 
03-21 15:03:43.280  5877  5877 I MonoDroid:   --- End of inner exception 
stack trace ---
03-21 15:03:43.280  5877  5877 I MonoDroid: at 
Android.Runtime.TypeManager.CreateInstance (intptr,System.Type) <0x0057c>
03-21 15:03:43.280  5877  5877 I MonoDroid: at Java.Lang.Object.GetObject 
(intptr,System.Type,bool) <0x00223>
03-21 15:03:43.280  5877  5877 I MonoDroid: at 
Java.Lang.Object._GetObject<Android.App.Application> (intptr,bool) 
<0x0004f>
03-21 15:03:43.280  5877  5877 I MonoDroid: at 
Java.Lang.Object.GetObject<Android.App.Application> (intptr,bool) 
<0x0002b>
03-21 15:03:43.280  5877  5877 I MonoDroid: at 
Android.App.Application.n_OnCreate (intptr,intptr) <0x00023>
03-21 15:03:43.280  5877  5877 I MonoDroid: at (wrapper dynamic-method) 
object.e64d49ee-e048-4001-b616-2396f819a424 (intptr,intptr) <0x0002b>

If I remove the OnCreate Method my app starts without crashing. But it 
crashes with the same exception as soon as i call

this.ApplicationContext

in one of my activities.

Thaks for your help in advance

Bernhard Geßler
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