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You have two alternatives to solve this problem:
- If you have developed the site you want to get the information from, also develop a API send you this information. To consume this API using Android, you can use the library Volley.
- If you haven’t developed the site you want to get the information from, develop a Crawler that traverses the site and saves the information in a location that you can access with your app (it can also be an online API).
So, in an automated way, only if the site has an rss or an API and you use a client to consume. Otherwise either you show a webview or use jSoup to make html Scrap and extract the data.
– Wakim