How can implement in current class every abstracts methods quickly from her extended classes in Android Studio?
For example, in Eclipse, putting mouse over warning and pressing on implement abstract methods message do it automatically.
android studio
Right click than Select Generate..
or Alt + Enter and get list of methods you can add into your Activity
For more to Implementing Methods of an Interface IntelliJ IDEA check https://www.jetbrains.com/idea/help/implementing-methods-of-an-interface.html