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:3724)
	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3892)
	at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:85)
	at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
	at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2317)
	at android.os.Handler.dispatchMessage(Handler.java:106)
	at android.os.Looper.loop(Looper.java:255)
	at android.app.ActivityThread.main(ActivityThread.java:8192)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:632)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1049)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'android.os.IBinder android.view.View.getWindowToken()' on a null object reference
	at com.entitcs.office_attendance.utility.UtilHelper.hideSoftKeyboard(UtilHelper.java:13)
	at com.entitcs.office_attendance.signup_activities.Signup_Option.onCreate(Signup_Option.java:69)
	at android.app.Activity.performCreate(Activity.java:8151)
	at android.app.Activity.performCreate(Activity.java:8135)
	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1309)
	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3693)
	... 11 more