Basics of an Andriod Application(Simplified)
Andriod applications are written in Java programming language. Each Andriod Application can have 4 basic components.
Activities
You can say Activity is a set of UI components available for users to be used , at some specific instant of time. For example; an Activity in image viewer application can be image and its description and navigation available. Moving from one activity to another is accomplished by having the current activity start the next one. Read More