The relationship between Gradle Wrapper, Gradle, Gradle plugin

Gradle is a very important application in Android Studio.

Gradle Wrapper Manage Gradle version of the tool, if not, it will download the corresponding version gradle from the URL.

Gradle generally in c \ Individual user \gradle below.

Gradle is represented in groovy syntax, similar to java.

Gradle compatibility between each version is not good, currently the highest version 3.3

Gradle plugin is gradle based on the plug-in, the most important two plug-ins,

Apply plugin: ' Com.android.application '  indicates that the application is an application

Apply plugin: ' com.android.library '  means this is a library file.

There are other plugin, such as Greendao.

The relationship between Gradle Wrapper, Gradle, Gradle plugin