Structure

Package Structure

- com.material.recipe : All Activiy class located here.
- com.material.recipe.adapter : Adapter for gridview and list
- com.material.recipe.connection : All clas related REST API services request.
- com.material.recipe.data : The supporting data like, constant, database and shared preference
- com.material.recipe.fragment : All fragment page to display drawer menu page.
- com.material.recipe.gcm : Handle push notification services.
- com.material.recipe.model : All class related object Model
- com.material.recipe.utils : Supporting class like permission, and some snippets code.

Change Package

Some buyer need to change package to theirs, so this article maybe help you : Change Package Name Android Studio