Overview of Android activities
Layout files
View objects
Most of the apps you will build will have a UI. In the previous chapter, we learned that to create a simple app with UI, we need (1) an Activity class, (2) a layout file for that Activity class, and (3) a manifest file. Thankfully, we get these three things from the project creation wizard.
In this chapter, we will examine the Activity component a lot closer. We will learn more about the constituent parts of an Activity, the Java class, and its related layout file.
Activity
The Activity component is responsible ...