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.CRM.CRM_Add_Customer$2.onItemClick(CRM_Add_Customer.java:340)
	at jrizani.jrspinner.Dialog$1.onClick(Dialog.java:104)
	at jrizani.jrspinner.Adapter$ViewHolder$1.onClick(Adapter.java:130)
	at android.view.View.performClick(View.java:7778)
	at android.view.View.performClickInternal(View.java:7755)
	at android.view.View.-$$Nest$mperformClickInternal(Unknown Source:0)
	at android.view.View$PerformClick.run(View.java:30746)
	at android.os.Handler.handleCallback(Handler.java:1013)
	at android.os.Handler.dispatchMessage(Handler.java:101)
	at android.os.Looper.loopOnce(Looper.java:226)
	at android.os.Looper.loop(Looper.java:328)
	at android.app.ActivityThread.main(ActivityThread.java:9224)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:594)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1099)