Qq QR code link to talk about.

First, open your own QQ space Android software, and then log in to your QQ account until you enter the main interface of QQ space;

Then click the "+"sign of the software in the main interface to open the application list, and then find that there is no QR code application, and then click "Add Application";

Then you will see a QR code application appear, click the application directly, and then select "Add to+";

Finally, return to the+interface, and you will see that the QR code application just added has already appeared in the+logo. Click on it directly to use this application.