Android Studio 3.1.3 having issues with Constraint layout

Question

I\'m trying to start a new project here but this problem is appearing. I can run the project and deploy it in an emulator but this Render problem and Using private resources

Answer 1

1. On the left-hand side, click app.
2. Then, open the res folder.
3. Open up the values folder.
4. Click on the 'styles.xml' folder.
5. Change the parent variable to "Base.Theme.AppCompact.Light.DarkActionBar"