The way Android Studio installs plugins is actually similar to Eclipse. Without further ado, let’s go directly to the picture:
Area 1: Plugins you currently have installed
Area 2: Online Installation
Area 3: Install from the hard disk, that is, for the plug-in you have downloaded, you can select the plug-in you downloaded and install it.
There is also an Install JetBrains plugin that is actually the same as Region 2, except that the JetBrains type plugins are put together here for easy installation.
Let's talk about area 2 here, click to display the following image, you can directly search for the plugin you want to install in the input box, and then click the install button on the right.
For example, if I want to install Findbugs:
