Java Question Another onActivityResult: wi is null

package cm.jahswant.docscanner;


import java.io.FileNotFoundException;
import java.io.InputStream;

import com.example.monscanner.ScanActivity;
import com.example.monscanner.ScanConstants;

import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import anywheresoftware.b4a.BA;
import anywheresoftware.b4a.BA.Events;
import anywheresoftware.b4a.BA.Hide;
import anywheresoftware.b4a.BA.ShortName;
import anywheresoftware.b4a.BA.Version;
import anywheresoftware.b4a.IOnActivityResult;
import anywheresoftware.b4a.objects.drawable.CanvasWrapper.BitmapWrapper;

@Version(0.20f)
@ShortName("DocScannerUp")
@Events(values={"onCameraResult(scannedImage As Bitmap)","onGaleryResult(scannedImage As Bitmap)"})
@BA.DependsOn(values = {"monscanner-release.aar"})
public class DocScannerWrapper{
    private BA ba;
    private String eventName;
    private Intent intent;
    private static IOnActivityResult ion;

    /*
     * Initialize the MonScanner  *
     */       
    public void Initialize(BA ba, String EventName) {
        _initialize(ba, null, EventName);
    }

    @Hide
    public void _initialize(BA ba, Object activityClass, String EventName) {
        this.eventName = EventName.toLowerCase(BA.cul);
        this.ba = ba;
     }
        
    public void openCamera(){
        intent = new Intent("com.example.monscanner.ScanActivity");
         intent.putExtra(ScanConstants.OPEN_INTENT_PREFERENCE, ScanConstants.OPEN_CAMERA);       
         ion = new IOnActivityResult() {           
            @Override
            public void ResultArrived(int resultCode, Intent intent) {
                // TODO Auto-generated method stub                               
                try {               
                    if( intent != null) {
                           Uri imageUri = (intent.getExtras()).getParcelable(ScanActivity.SCAN_RESULT);
                           if( imageUri != null) {
                               InputStream imageStream = ba.context.getContentResolver().openInputStream(imageUri);
                               Bitmap scannedImage = BitmapFactory.decodeStream(imageStream);
                               ba.context.getContentResolver().delete(imageUri, null, null);
                               BitmapWrapper bm = new BitmapWrapper();
                               bm.setObject(scannedImage);
                               ba.raiseEvent(this, eventName + "_oncameraresult",scannedImage);       
                           }                     
                       }   
                } catch (FileNotFoundException e) {
                    e.printStackTrace();
                }           
                
            }
        };           
        ba.startActivityForResult(ion, intent);   
    }
    
    public void openGalery(){
        intent = new Intent("com.example.monscanner.ScanActivity");
         intent.putExtra(ScanConstants.OPEN_INTENT_PREFERENCE, ScanConstants.OPEN_GALERIE);       
         ion = new IOnActivityResult() {           
            @Override
            public void ResultArrived(int resultCode, Intent intent) {
                // TODO Auto-generated method stub                               
                try {               
                   if( intent != null) {
                       Uri imageUri = (intent.getExtras()).getParcelable(ScanActivity.SCAN_RESULT);
                       if( imageUri != null) {
                           InputStream imageStream = ba.context.getContentResolver().openInputStream(imageUri);
                           Bitmap scannedImage = BitmapFactory.decodeStream(imageStream);
                           ba.context.getContentResolver().delete(imageUri, null, null);
                           BitmapWrapper bm = new BitmapWrapper();
                           bm.setObject(scannedImage);
                           ba.raiseEvent(this, eventName + "_ongaleryresult",scannedImage);       
                       }                     
                   }
                  
               } catch (FileNotFoundException e) {
                   e.printStackTrace();
               }           
                
            }
        };           
        ba.startActivityForResult(ion, intent);   
    }
        
}

#Region  Project Attributes
    #ApplicationLabel: B4A Example
    #VersionCode: 1
    #VersionName:
    'SupportedOrientations possible values: unspecified, landscape or portrait.
    #SupportedOrientations: unspecified
    #CanInstallToExternalStorage: False
#End Region

#Region  Activity Attributes
    #FullScreen: False
    #IncludeTitle: True
    #AdditionalJar:monscanner-release.androidx.aar
#End Region

Sub Process_Globals
    'These global variables will be declared once when the application starts.
    'These variables can be accessed from all modules.
    Private ion As Object
End Sub

Sub Globals
    'These global variables will be redeclared each time the activity is created.
    'These variables can only be accessed from this module.

End Sub

Sub Activity_Create(FirstTime As Boolean)
    'Do not forget to load the layout file created with the visual designer. For example:
    'Activity.LoadLayout("Layout1")
    ShowPicker
End Sub

Sub Activity_Resume

End Sub

Sub Activity_Pause (UserClosed As Boolean)

End Sub

Sub ShowPicker
    Dim i As Intent
    i.Initialize("com.example.monscanner.ScanActivity", "")
    i.PutExtra("open_intent_preference", 1)
    StartActivityForResult(i)
End Sub


Sub ion_Event (MethodName As String, Args() As Object) As Object
    'Args(0) = resultCode
    'Args(1) = intent
    Return Null
End Sub

Sub StartActivityForResult(i As Intent)
    Dim jo As JavaObject = GetBA
    ion = jo.CreateEvent("anywheresoftware.b4a.IOnActivityResult", "ion", Null)
    jo.RunMethod("startActivityForResult", Array As Object(ion, i))
End Sub

Sub GetBA As Object
    Dim jo As JavaObject
    Dim cls As String = Me
    cls = cls.SubString("class ".Length)
    jo.InitializeStatic(cls)
    Return jo.GetField("processBA")
End Sub