CS-3310 - 08 Android - Apps and Intents

What is an activity?

UI component that interacts with the user.

What is a task in Android?

Container organizing related activities.

When an activity leaves the foreground, what happens?

It is asked to save state.

Why may an activity's process be killed?

To reclaim RAM for higher-priority apps.

How does Android restore an activity?

Creates a new instance and restores saved state.

What is a service?

Background component or API provider.

How does an app use a bound service?

Obtains an IBinder interface.

What is a broadcast receiver?

Component triggered by system or external events.

How do content providers share data?

Through URIs using the content:// scheme.

What is an intent?

Message identifying components to activate.

What is an explicit intent?

Targets a specific component.

What is an implicit intent?

Requests a type of component by capability.

What is ResolverActivity?

UI asking user which app should handle an intent.