My app was working fine in Android version upto 27. But I found this exception in Android 9.0 Pie, API 28.
This is the trace.
java.lang.RuntimeException: Unable to create service com.example.demo: java.lang.SecurityException: Permission Denial: startForeground from pid=21535, uid=10088 requires android.permission.FOREGROUND_SERVICE
at android.app.ActivityThread.handleCreateService(ActivityThread.java:3544)
at android.app.ActivityThread.access$1300(ActivityThread.java:199)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1666)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6669)
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:858)