Java Question Can't start activity from a custom library

#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
#End Region

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

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.
   Dim cmp20 As CitizenCMP20
   Dim Button1 As Button
   Dim Button2 As Button
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("TestPrint")

End Sub

Sub Activity_Resume

End Sub

Sub Activity_Pause (UserClosed As Boolean)

End Sub



Sub Button1_Click
   Log("Button1_Click")
   'i call the function start() from CitizenCMP20 here
   cmp20.Start
   
End Sub
Sub Button2_Click
   
End Sub

package com.mcdreck.citizentest;

import android.content.Intent;

import anywheresoftware.b4a.BA;
import anywheresoftware.b4a.BA.Author;
import anywheresoftware.b4a.BA.DependsOn;
import anywheresoftware.b4a.BA.Permissions;
import anywheresoftware.b4a.BA.ShortName;
import anywheresoftware.b4a.BA.Version;
import anywheresoftware.b4a.keywords.Common;

@Permissions(values = {"android.permission.BLUETOOTH", "android.permission.BLUETOOTH_ADMIN", "android.permission.WRITE_EXTERNAL_STORAGE"}) 
@DependsOn(values={ "Citizen_Android_1056" })
@Author("NeverGiveUp2") 
@Version((float) 1.07)

@ShortName("CitizenCMP20")

public class CitizenCMP20 {
   public CitizenCMP20(){
      
   }
      
   public void Start(){
      Common.Log("for new Intent");
      Intent in = new Intent( BA.applicationContext, TestActivity.class);
      Common.Log("forr startActivity");
        startActivity(in);  
   }

   private void startActivity(Intent in) {
      // TODO Auto-generated method stub
      
   }
   

}

package com.mcdreck.citizentest;

import android.content.Intent;

import anywheresoftware.b4a.BA;
import anywheresoftware.b4a.BA.Author;
import anywheresoftware.b4a.BA.DependsOn;
import anywheresoftware.b4a.BA.Permissions;
import anywheresoftware.b4a.BA.ShortName;
import anywheresoftware.b4a.BA.Version;
import anywheresoftware.b4a.keywords.Common;

@Permissions(values = {"android.permission.BLUETOOTH", "android.permission.BLUETOOTH_ADMIN", "android.permission.WRITE_EXTERNAL_STORAGE"}) 
@DependsOn(values={ "Citizen_Android_1056" })
@Author("NeverGiveUp2") 
@Version((float) 1.07)

@ShortName("CitizenCMP20")

public class CitizenCMP20 {
   public CitizenCMP20(){
      
   }
      
   public void Start(){
      Common.Log("for new Intent");
      Intent in = new Intent( BA.applicationContext, TestActivity.class);
      Common.Log("forr startActivity");
        startActivity(in);  
   }

   private void startActivity(Intent in) {
      // TODO Auto-generated method stub
      
   }
   
       }
}

    public void Start(){
        Common.Log("for new Intent");
        Intent in = new Intent( BA.applicationContext, TestActivity.class);
        Common.Log("forr startActivity");
          startActivity(in);  
    }

    public void Start(BA pBA){
        Common.Log("for new Intent");
        Intent in = new Intent( pBA.activity, TestActivity.class);
        Common.Log("forr startActivity");
        startActivity(in);  
    }

AddApplicationText(<activity android:name="your.library.package.name.TestActivity"/>)

'This code will be applied to the manifest file during compilation.
'You do not need to modify it in most cases.
'See this link for for more information: http://www.b4x.com/forum/showthread.php?p=78136
AddManifestText(
<uses-sdk android:minSdkVersion="4" />
<supports-screens android:largeScreens="true" 
    android:normalScreens="true" 
    android:smallScreens="true" 
    android:anyDensity="true"/>)
SetApplicationAttribute(android:icon, "@drawable/icon")
SetApplicationAttribute(android:label, "$LABEL$")
'End of default text.

AddApplicationText(<activity android:name="your.library.package.name.TestActivity"/>)

cmp20.Start