Android 9 lacks options menu

[daemonspudguy]

Basic Information

There is no options menu for Android 9.

• Platform (Mac, iOS, Android, Linux, etc):
  Android* Built from source? (yes/no): both
  • If yes, source branch/revision ID: master
  • If no, release version: March 2019

Description of issue

The settings are inaccessible. It says "Einstein has stopped" and no notification ever shows up.

Expected behaviour

Notification with options

Steps to reproduce issue

Launch app.

[daemonspudguy]

Have a logcat:

FATAL EXCEPTION: main Process: com.newtonforever.einstein:remote, PID: 20110 android.app.RemoteServiceException: Bad notification for startForeground: java.lang.RuntimeException: invalid channel for service notification: Notification(channel=null pri=0 contentView=null vibrate=null sound=null defaults=0x0 flags=0x40 color=0x00000000 vis=PRIVATE) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1906) at android.os.Handler.dispatchMessage(Handler.java:106) at android.os.Looper.loop(Looper.java:193) at android.app.ActivityThread.main(ActivityThread.java:6936) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:870)