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Start your free trialBeysim ERYILMAZ
1,600 PointsAndroid studio rendering problem
When i tried to change my android apps theme to Material light i get this problem below.What can i do guys?
Rendering Problems The following classes could not be instantiated: - android.support.design.widget.CoordinatorLayout (Open Class, Show Exception, Clear Cache) Tip: Use View.isInEditMode() in your custom views to skip code or show sample data when shown in the IDE Exception Details java.lang.IllegalArgumentException: You need to use a Theme.AppCompat theme (or descendant) with the design library. at android.support.design.widget.ThemeUtils.checkAppCompatTheme(ThemeUtils.java:34) at android.support.design.widget.CoordinatorLayout.<init>(CoordinatorLayout.java:178) at android.support.design.widget.CoordinatorLayout.<init>(CoordinatorLayout.java:172) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704) at android.view.LayoutInflater.inflate(LayoutInflater.java:492) at android.view.LayoutInflater.inflate(LayoutInflater.java:394) Copy stack to clipboard The surrounding layout (@layout/activity_main) did not actually include this layout. Remove tools:showIn=... from the root tag.
1 Answer
Ben Deitch
Treehouse TeacherThe error suggests, "You need to use a Theme.AppCompat theme (or descendant) with the design library.". I'm guessing you're trying to use a Material theme on a device that's not on a new enough version of Android.