java.lang.NumberFormatException: empty String
	at jdk.internal.math.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:1842)
	at jdk.internal.math.FloatingDecimal.parseDouble(FloatingDecimal.java:110)
	at java.lang.Double.parseDouble(Double.java:660)
	at java.lang.Double.valueOf(Double.java:623)
	at com.entitcs.office_attendance.activities.Enter_Expense_Of_This_Date$5.onItemSelected(Enter_Expense_Of_This_Date.java:467)
	at android.widget.AdapterView.fireOnSelected(AdapterView.java:979)
	at android.widget.AdapterView.dispatchOnItemSelected(AdapterView.java:968)
	at android.widget.AdapterView.access$300(AdapterView.java:59)
	at android.widget.AdapterView$SelectionNotifier.run(AdapterView.java:932)
	at android.os.Handler.handleCallback(Handler.java:938)
	at android.os.Handler.dispatchMessage(Handler.java:99)
	at android.os.Looper.loopOnce(Looper.java:233)
	at android.os.Looper.loop(Looper.java:344)
	at android.app.ActivityThread.main(ActivityThread.java:8223)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:589)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1071)