Android Question How to detect Mock Locations with newer android version (6.0+)

Dim jo As JavaObject = Location1
Dim IsMock As Boolean = jo.RunMethod("isFromMockProvider", Null)

Sub GPS_LocationChanged (Location1 As Location)
    Dim jo As JavaObject = Location1
    Dim IsMock As Boolean = jo.RunMethod("isFromMockProvider", Null)
    
    If IsMock = False Then
        If DateTime.Now > LastUpdateTime + 10 * DateTime.TicksPerSecond Then
            Dim n As Notification = CreateNotification($"$2.5{Location1.Latitude} / $2.5{Location1.Longitude}"$)
            n.Notify(nid)
            LastUpdateTime = DateTime.Now
            gpslat = Location1.Latitude
            gpslong = Location1.Longitude
            CallSubDelayed2(Main,"Update_Location",Location1)
        End If
    Else
        CallSubDelayed2(Main,"CheckMock_Location",IsMock)
    End If        
    
End Sub

Sub CheckMock_Location(ismock As Boolean)
    
    If ismock = True Then
        btnsave.Enabled =False
        Msgbox("Please do not fake your location","Warning !")
        ExitApplication
    End If
    
End Sub