java.lang.NullPointerException: Attempt to invoke virtual method 'android.widget.Filter com.entitcs.office_attendance.sales.Sales_Customer_List$g.getFilter()' on a null object reference
	at com.entitcs.office_attendance.sales.Sales_Customer_List$b.onQueryTextChange(Unknown Source:20)
	at android.widget.SearchView.onTextChanged(SearchView.java:1293)
	at android.widget.SearchView.access$2100(SearchView.java:101)
	at android.widget.SearchView$10.onTextChanged(SearchView.java:1822)
	at android.widget.TextView.sendOnTextChanged(TextView.java:10711)
	at android.widget.TextView.handleTextChanged(TextView.java:10818)
	at android.widget.TextView$ChangeWatcher.onTextChanged(TextView.java:13910)
	at android.text.SpannableStringBuilder.sendTextChanged(SpannableStringBuilder.java:1267)
	at android.text.SpannableStringBuilder.replace(SpannableStringBuilder.java:576)
	at android.text.SpannableStringBuilder.replace(SpannableStringBuilder.java:507)
	at android.text.SpannableStringBuilder.replace(SpannableStringBuilder.java:37)
	at android.view.inputmethod.BaseInputConnection.replaceText(BaseInputConnection.java:864)
	at android.view.inputmethod.BaseInputConnection.commitText(BaseInputConnection.java:197)
	at com.android.internal.widget.EditableInputConnection.commitText(EditableInputConnection.java:177)
	at com.android.internal.view.IInputConnectionWrapper.executeMessage(IInputConnectionWrapper.java:345)
	at com.android.internal.view.IInputConnectionWrapper$MyHandler.handleMessage(IInputConnectionWrapper.java:93)
	at android.os.Handler.dispatchMessage(Handler.java:106)
	at android.os.Looper.loop(Looper.java:257)
	at android.app.ActivityThread.main(ActivityThread.java:8192)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:626)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1015)