Android Basic Go Back Making an Interactive App views 9:52 Now though the app looks attractive, it actually still does not do anything. To make the app do something, we will need to write an event handler in the app. When the user performs any action then the app needs to respond to the action. To do so we need to write some code in our app. The action performed by the user is called an event. The code that is written to give a response to the event is called as an event handler. Android Operating Systems & Apps Creating First App Designing Your App Views of Apps Changing the Apps Look Making an Interactive App