We just tested compiling our app (with intercom included) over android 23, everything worked fine on 22 or below devices but when running on android 23 device[Nexus 5] i got this crash:
11-17 12:54:39.804 10431-10431/applock.mindorks.com.applock E/AndroidRuntime: FATAL EXCEPTION: main
Process: applock.mindorks.com.applock, PID: 10431
java.lang.RuntimeException: Unable to create service applock.mindorks.com.applock.services.AppCheckServices: android.view.WindowManager$BadTokenException: Unable to add window android.view.ViewRootImpl$W@e40eea -- permission denied for this window type
at android.app.ActivityThread.handleCreateService(ActivityThread.java:2887)
at android.app.ActivityThread.-wrap4(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1427)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
Caused by: android.view.WindowManager$BadTokenException: Unable to add window android.view.ViewRootImpl$W@e40eea -- permission denied for this window type
at android.view.ViewRootImpl.setView(ViewRootImpl.java:591)
at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:310)
at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:85)
at applock.mindorks.com.applock.services.AppCheckServices.onCreate(AppCheckServices.java:88)
at android.app.ActivityThread.handleCreateService(ActivityThread.java:2877)
at android.app.ActivityThread.-wrap4(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1427)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)