use WORDPRESS BACK-END for ANDROID APP
Use Wordpress as Android Application Back-end.. For this we use two plugin and install them on our wordpress website.
https://wordpress.org/plugins/rest-api/
https://wordpress.org/plugins/rest-api-filter-fields/
To find out how to install these plugins, see this link : *** https://www.youtube.com/watch?v=AXM1QgMODW0 ***
Once you have installed the plugins, you must have one such link to the API from your site.
https://your domin /wp-json/wp/v2/posts?_embed
For Example This is for my website : *** https://sanaebadi.info/wp-json/wp/v2/posts?_embed ***
Note:I use This Url In This Project.
useed Retrofit 2 Library For connection to the server and Parse JSON File.
apk file : https://sanaebadi.info/AndroidApk/app-release.apk
good luck :)