And if you start typing a line of code, Android Studio will provide a list of auto-complete ... This code is the file called activity_main.xml. XML is a markup language that defines ...

While Android Studio gets easier to use all the time, ... activity_main.xml and MainActivity.java. Try switching between these, ... This is the code for the first activity: ...

Jeff Friesen. Figure 2. Logging messages in the onCreate() method of the example app’s main activity (click to enlarge) In Figure 2, the only displayed messages are for the example app process ...