In a pinch, it can even be used in conjunction with an existing Web server servletrunner allows you to specify an alternative port on which to run the service. Spring boot is meant as a wrapper to quickly bootstrap Spring applications and is going to best serve you when building web based applications. Servletrunner is a small, multi-threaded Web server that makes it easy to test and debug servlets. To send data collected by the app you will have to send it to some kind of backend you will have to make it i suggest making it in PHP and saving the data in a Mysql database.ДЇor the sending part you will probably want to do it in the background with a AsyncTask and it will look something like this : public class Backend extends AsyncTask String doInBackground(String. Short answer is youre not gonna be able to directly run your spring boot application on your android phone. just remember that http protocol specifies that first request to new server requires tunneling via the proxy so when u do first request to the gateway, the gateway will send 2. Maybe start with something easier but if you do plan to do it any way. testImplementation ('3:mockwebserver:4.2.1') testImplementation ('3:okhttp:4.2.1') and then all your requests will go to your proxy. We can easily create a restful web service application in android to authenticate or save information into the external database such as oracle, mysql, postgre sql, sql server using other application developed in java. Im not sure if this is good idea if you are new to android. Creating web service application in android is not a difficult task.

Run springs android web server