java.lang.RuntimeException: Unable to start activity ComponentInfo{com.entitcs.office_attendance/com.entitcs.office_attendance.signup_activities.Signup_Option}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.os.IBinder android.view.View.getWindowToken()' on a null object reference
	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3319)
	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3415)
	at android.app.ActivityThread.access$1100(ActivityThread.java:229)
	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1821)
	at android.os.Handler.dispatchMessage(Handler.java:102)
	at android.os.Looper.loop(Looper.java:148)
	at android.app.ActivityThread.main(ActivityThread.java:7331)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'android.os.IBinder android.view.View.getWindowToken()' on a null object reference
	at m4.b.a(SourceFile)
	at com.entitcs.office_attendance.signup_activities.Signup_Option.onCreate(SourceFile)
	at android.app.Activity.performCreate(Activity.java:6904)
	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1136)
	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3266)
	... 9 more