The Following Classes Couldn't Be Instantiated

On my homeactivity.xml it says: The following classes could not be instantiated: - android.support.design.widget.CoordinatorLayout (Open Class, Show Exception, Clear Cache) - and

Solution 1:

as commented you have to include the dependencies for design which is like this, this will be added under the dependencies block of the app module of the build.gradle

compile'com.android.support:design:23.1.1'

it should be something like this ..

if the designdependencies is not included in the build.gradle and you try to use mentioned classes in your question you will not be able to render those classes and the error you get in layout would be something like this

Solution 2:

I upgraded to Android Studio 2.0. That solve the problem for me. I can see the render now. My only error message at this point is: "