Android Studio Not Rendering Preview

I know this is common question, but I have tried Cleaning and Rebuilding Project Invalidating and restarting Setting build version to other that 22 Changing version of Gradle ad

Solution 1:

You're using the toolbar from the support library, but it seems that you aren't including it as a dependency. You should add something like this in your build.gradle file:

dependencies {
    compile 'com.android.support:support-v4:22.1.1'
    compile 'com.android.support:appcompat-v7:22.1.1'
}