How to connect an android app to a created webpage

Question

Let’s say I created an app and I want a webpage to belong to it so that both relate to the subject I created. How can I connect them both together. Is there a code or something to combine both?

Answer 1

write JSON files both your website and apps can access
create a page that reads the json from the website
then in your app, a program to read the data in json from the 2nd website