Calendar date picker

Question

I want to open a calendar on click of a button as in this image:

I have used date picker in my code to open a calendar. Can anyone let me know how to get it to open as in the image I have posted? I have seen this in an app. This is the calendar that is opening now, for date selection:

Answer 1

Luckily android is open-source

so you can find what you are looking for in here

https://android.googlesource.com/platform/frameworks/opt/datetimepicker/

also if you want it to work on pre ICS you can take a look in this library (notice its missing some features)

https://github.com/flavienlaurent/datetimepicker