Cannot resolve symbol FragmentCompat

Question

I\'ve just pasted this file in a new project, but I\'m getting:

Cannot resolve symbol FragmentCompat;

any help?

Answer 1

You need to add support library v13.

compile 'com.android.support:support-v13:version_of_library'

Android also you need to add support library support-v4, because support-v13 depends on support-v4

More information you can find here

Answer 2

In Android studio, right click on the project, select "Open Module Settings" and add support library v13 like so: