Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

Android Build a Simple Android App with Java Creating the Screen Layout Adding a Button

Posted by HImanshu Shukla
HImanshu Shukla
703 Points

No id of the first text element

why is there no id of the first text element ("Did you know?") in the XML code.??

1 Answer

Seth Kroger
Seth Kroger
56,414 Points
Seth Kroger
Seth Kroger
56,414 Points

An id isn't strictly necessary unless need to use the element in your Java/Kotlin code or you need to refer to it elsewhere in the same XML file.