androidstudio introduces jar package

As shown in the picture, select project

and create a lib folder under src. Paste the jar package to be added to the project into lib, as shown in the picture. Then

select the jar package, right-click, and a pop-up window will appear. Select Add As Library..., such as Figure

A pop-up window will appear, click OK.

The project build.gradle will introduce the project into the project by itself.

Okay, it’s done here, bye~