add support v7 android studio: Locate Devices and Accessories With Find My Device | Android,How to fix 'Cannot Resolve Symbol 'v7' error in Android Studio,Error "package android.support.v7.app does not exist",The Import android.support.v7 cannot be resolved,
Go to your project in the navigator, right click on properties. Go to the Java Build Path tab on the left. Go to the libraries tab on top. Click add external jars. Go to your ADT Bundle folder, go to sdk/extras/android/support/v7/appcompat/libs. Select the file android-support-v7-appcompat.jar.
For information about how to add support library code to your app development project, see Support Library Setup. For information on how to include specific support library packages in your project, see Support Library Packages .
I'm trying to use the android support recyclerView widget, and though I've added all the dependencies to my build.gradle file (I think), the line "import android.support.v7.widget.RecyclerView;" in my activity isn't resolving. I'm new to Android Studio, so I might be missing something very basic.
In order to use a Support Library, you must modify your application's project's classpath dependencies within your development environment. You must perform this procedure for each Support Library you want to use. To add a Support Library to your application project: