Android Calendar with Jewish calendar dates, holidays and zmanim

Android SDK doesn’t provide Calendar View. So I was looking for some to integrate into my project.
I found one here Android Simple Calendar.
It is pretty good example of Calendar GridView integration.

Additionally for my project, I was looking for implementing Jewish calendar dates.
For this purpose I took HebrewDates class and Java Zmanim by KosherJava.
Here is the snapshots, how it looks like:

If you are interested here is the code, I used for this Activity.

Calendar layout simple_calendar_view.xml also was modified a little:

and here calendar_day_gridcell.xml