Android Question Android X Notification Error

Multiverse app

Active Member
Licensed User
I Followed this tutorial about Android X.
After using Jetifier, I'm getting the following error:

B4A Version: 9.30
Java Version: 8
Parsing code.    (0.20s)
Building folders structure.    (0.01s)
Compiling code.    (0.45s)
ObfuscatorMap.txt file created in Objects folder.
Compiling layouts code.    (0.05s)
Organizing libraries.    (0.00s)
    (AndroidX SDK)
Generating R file.    (2.53s)
Compiling generated Java code.    Error
B4A line: 135
Dim jo As JavaObject = nb
javac 1.8.0_181
src\com\multiverse\memegenerator\indian\ error: cannot access NotificationCompat
  class file for not found

The Code is for posting Notification:
        Dim sound As Boolean=True
        Dim p As Phone
        If p.SdkVersion >= 26 Then
            Dim ctxt As JavaObject
            Dim manager As JavaObject
            Dim Channel As JavaObject
            Dim importance As String
            If sound Then importance = "IMPORTANCE_DEFAULT" Else importance = "IMPORTANCE_LOW"
            Dim ChannelVisibleName As String = Application.LabelName
            Channel.InitializeNewInstance("", _
                   Array("MyChannelId1", ChannelVisibleName, manager.GetField(importance)))
            manager = ctxt.RunMethod("getSystemService", Array("notification"))
            manager.RunMethod("createNotificationChannel", Array(Channel))
            Dim jo As JavaObject = nb
            jo.RunMethod("setChannelId", Array("MyChannelId1"))
        End If

I have already confirmed my Additional libraries folder is not in ProgramFiles, it's located under C:\B4A
These are my imports: