Preview is not showing in android studio version 3.2

Question

I am getting this error messages after i update the studio and modify the design gradle version 28.0.0.

I don't know what is wrong.

Help will be appreciated. Thanks

Answer 1

This is a issue that occurs time to time. Here's how you fix it:-

1. Clean Project (Build->Clean Project)
2. Invalidate and restart (File-> Invalidate Caches / Restart)
3. After restarting sync the project manually by clicking on the sync button

Third button from the left

Answer 2

First of all check your XML is there any error resolve that.

then

1.Build-> Clean Project. 2.Build-> Rebuild Project. 3. After that go to file menu -> Invalidate Caches/Restart. 4. File -> Sync Project with Gradle files.

Answer 3

Resolve the errors then try:

• Build-Rebuild Project
• Build-Clean Project
• File-Sync Project with Gradle files (sync over the internet).