Exception : No such proxy method: AndroidUtilitiesPlugin+a.onButtonTapped(System.Int32)

Hi,
I'm facing this problem with my android plugin since a udpate to the last version of unity.

Java code

Code (CSharp):

1.  
2. public class AndroidBox  {
3.    private static final AndroidBox ourInstance = new AndroidBox();
4.    public static Activity mainActivity;
5.    private static final String LOGTAG = "AndroidBox";
6.  
7.    public static AndroidBox getInstance()
8.   {
9.      return ourInstance;
10.   }
11.  
12.    public interface AlertViewCallback {
13.         public void onButtonTapped(int id);
14.         public void testCallback(String test);
15.    }
16.    public void testCallback(AlertViewCallback callback){
17.         callback.testCallback(("test callback"));
18.    }
19.    public void showAlertView(String[] strings,final  AlertViewCallback callback)
20.    {
21.         if (strings.length<3)
22.         {
23.             Log.i(LOGTAG,"Error - expected at least 3 strings, got " + strings.length);
24.             return;
25.         }
26.         DialogInterface.OnClickListener myClickListener = new DialogInterface.OnClickListener() {
27.         @Override
28.          public void onClick(DialogInterface dialogInterface, int id) {
29.                 Log.i(LOGTAG, "Tapped: " + id);
30.                 callback.onButtonTapped(id);
31.                 dialogInterface.dismiss();
32.           }
33.         };
34.  
35.         AlertDialog alertDialog = new AlertDialog.Builder(mainActivity)
36.                 .setTitle(strings[0])
37.                 .setMessage(strings[1])
38.                 .setCancelable(false)
39.                 .create();
40.         alertDialog.setButton(AlertDialog.BUTTON_NEUTRAL,strings[2],myClickListener);
41.         if (strings.length>3)
42.             alertDialog.setButton(AlertDialog.BUTTON_NEGATIVE,strings[3],myClickListener);
43.         if (strings.length>4)
44.             alertDialog.setButton(AlertDialog.BUTTON_POSITIVE,strings[4],myClickListener);
45.         alertDialog.show();
46.   }
47. }

c# code

Code (CSharp):

1. public class AndroidUtilitiesPlugin : MonoBehaviour
2. {
3.     private AndroidJavaClass _pluginAndroidBoxClass;
4.     private AndroidJavaObject _pluginAndroidBoxInstance;
5.     private void Start()
6.     {
7.         ShowAlertDialog(new string[] { "test","test","ok"});  
8.     }
9.     public AndroidJavaClass PluginAndroidBoxClass
10.     {
11.         get
12.         {
13.             if (_pluginAndroidBoxClass == null)
14.             {
15.                 _pluginAndroidBoxClass = new AndroidJavaClass(pluginAndroidPath + ".AndroidBox");
16.                 _pluginAndroidBoxClass.SetStatic<AndroidJavaObject>("mainActivity", activity);
17.             }
18.             return _pluginAndroidBoxClass;
19.         }
20.     public AndroidJavaObject PluginAndroidBoxInstance
21.     {
22.         get
23.         {
24.             if (_pluginAndroidBoxInstance == null)
25.             {
26.                 _pluginAndroidBoxInstance = PluginAndroidBoxClass.CallStatic<AndroidJavaObject("getInstance");
27.             }
28.             return _pluginAndroidBoxInstance;
29.         }
30.     }
31.     public AndroidJavaClass PluginAndroidBoxClass
32.     {
33.         get
34.         {
35.             if (_pluginAndroidBoxClass == null)
36.             {
37.                 _pluginAndroidBoxClass = new AndroidJavaClass(pluginAndroidPath + ".AndroidBox");
38.                 _pluginAndroidBoxClass.SetStatic<AndroidJavaObject>("mainActivity", activity);
39.             }
40.             return _pluginAndroidBoxClass;
41.         }
42.     }
43.  class AlertViewCallback : AndroidJavaProxy
44.     {
45.         private System.Action<int> alertHandler;
46.         public AlertViewCallback(System.Action<int> alertHandlerIn) : base(pluginAndroidPath + ".AndroidBox$AlertViewCallback")
47.         {
48.             alertHandler = alertHandlerIn;
49.         }
50.         public void onButtonTapped(int index)
51.         {
52.             Debug.Log("Button tapped: " + index);
53.             if (alertHandler != null) alertHandler(index);
54.         }
55.         public void testCallback(string test)
56.         {
57.             Debug.Log(test);
58.         }
59.     }
60.     public void ShowAlertDialog(string[] strings, System.Action<int> handler = null)
61.     {
62.         if (strings.Length < 3)
63.         {
64.             Debug.LogError("AlertView requires at least 3 strings");
65.             return;
66.         }
67.  
68.         if (Application.platform == RuntimePlatform.Android)
69.             PluginAndroidBoxInstance.Call("showAlertView", new object[] { strings, new AlertViewCallback(handler) });
70.         else
71.             Debug.LogWarning("AlertView not supported on this platform");
72.     }
73. }

When calling the ShowAlertDialog the alert dialog is working fine but now when I click on one button a have the error :
Create Thread: Exception : No such proxy method: AndroidUtilitiesPlugin+a.onButtonTapped(System.Int32)

So it's on the callback of onButtonTapped, but why? Before, I never had that error.

 

Ok thank you for your fast response, I'm using il2cpp but do you have an example for me ?


And in the "a.onButtonTapped" what is the "a" ?

And the problem is only with the alerDialog in that part of the code:

1. public void onClick(DialogInterface dialogInterface, int id) {
2. Log.i(LOGTAG, "Tapped: " + id);
3. callback.onButtonTapped(id); <----------------
   
4. dialogInterface.dismiss();
5. }

 

Ok I find why... I use a plugin (Obfuscator) to obfuscate the code...
Thank you for your time !