How to Create a Team Poll Calender App? [on hold]


I am trying to create an android app similar to the “Doodle Poll App”

https://play.google.com/store/apps/details?id=com.doodle.android

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Need to achive a screen similar to this. I search a lot for the demo or sample project. Not getting anything. Sorry don’t know its the correct place to ask such a question. Guys please help me