An Android app has activities.

Context is like a handle to the environment your application is currently running in.

It allows access to application-specific resources and classes, as well as up-calls for application-level operations, such as launching activities, broadcasting and receiving intents, etc.

What is meaning of context in Android?

Context is an abstract class whose implementation is provided by the Android system. It allows access to application-specific resources and classes, as well as up-calls for application-level operations such as launching activities, broadcasting and receiving intents, etc.

What is context used for?

Activities and services extend the Context class. Therefore they can be directly used to access the Context. Context is an interface to global information about an application environment. It’s an abstract class whose implementation is provided by the Android system.