In Android Studio support library appcompat
(for ActionBar) is defined as Gradle dependency.
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
compile 'com.android.support:appcompat-v7:21.0.3'
}
That resolves to get v4 as well.
How to see source when clicking to into classes?
e.g. android.support.v4.widget.DrawerLayout
Currently Android Studio says
// IntelliJ API Decompiler stub source generated from a class file
// Implementation of methods is not available
For ADT it was How to add source + javadoc for android-support-v7?