Which of the following is not a step you take to use the Android Support Library with your application?

b. View your project in the Android view of Android Studio, and open the appropriate build.gradle module file.

c. Define the custom project identifier in the Activity or Fragment.

d. Add the appropriate support libraries to the dependencies declaration with the version target to the build.gradle file.

c. Define the custom project identifier in the Activity or Fragment.
Define the custom project identifier in the Activity or Fragment is not a step you take to use the Android Support Library with your application. The following are the correct steps:

i. Use the Android SDK Manager to download the Android Support Repository for Android Studio.

ii. View your project in the Android view of Android Studio, and open the appropriate build.gradle module file.

iii. Add the appropriate support libraries to the dependencies declaration with the version target to the build.gradle file.

iv. Begin using the APIs available as part of the Android Support Library. For example, to create a class extending FragmentActivity, you need to import android.support.v4.app.FragmentActivity.