Where is a “Sync project with gradle files” button in Android Studio 3?

Question

This button disappeared from a new 3.1 version of AS Toolbar. Before it showed as:

Now it\'s missing:

Answer 1

File > Sync Project With Gradle Files or this shortcut.

Answer 2

In Android Studio 3.3 it is here:

Answer 3

If you encounter this issue within a Flutter project and you cannot find the sync method, you can click on the build.gradle file and then click on Open for Editing with Android Studio at the top right. This will open just the Android project in a new Android Studio window and you will be able to see all the Gradle commands then (for example, under File > Sync...).