Android Studio stack=java.lang.N

https://stackoverflow.com/questions/36966384/no-resource-type-specified-at-text-with-value-bindingvariable-propertynam

解决方式：As far as i can see, you could just use the normalCalendarinstead of the in API 24 introducedICU Calendar. Try to use this importjava.util.Calendarinstead of this importandroid.icu.util.Calendar.