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 (retired 2014) Getting Started with Android Accessing Views in Code

R to look up ID

In the beginner challenge, the system is asking me are you using R to look up ID for Button1? How do I use R?

1 Answer

Gergő Bogdán
Gergő Bogdán
6,664 Points

R stands for generated code. if you type in Eclipse R.id.XXXXX then you will find the ID for your button, most likely R.id.button1 if you have not changed it.