Welcome to the Treehouse Community
The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)
Looking to learn something new?
Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

Steve Mbouadeu
Courses Plus Student 358 PointsPreview Display in Android Studio not working
I followed all the steps in the tutorial but when I opened the activity.xml file to edit the layout, it won't display the app like its suppose to. I launched the app in the emulator and its fine but the preview doesn't work. It says there are two errors: Render Error and Failed to instantiate multiple classes.
1 Answer

Steve Mbouadeu
Courses Plus Student 358 PointsI found the problem and fixed it. Thanks anyways!
Ben Deitch
Treehouse TeacherBen Deitch
Treehouse TeacherHey Steve! Does it tell you which classes it failed to instantiate?