Server Connection

When your admin panel already configured properly, you can connect it to your android app, you can see on the java/<your_package_name>/Config.java and put your admin panel url in the ADMIN_PANEL_URL string tag.

Config.java

public static String ADMIN_PANEL_URL = "http://10.0.2.2/material_wallpaper";

If you have not configure the admin panel side, please configure it first by follow the documentation HERE