mysql - 使用Android Studio从MySql检索变量(Retrieving a variable from MySql using Android Studio)

Question

I just need to retrieve one thing from mySql to use in the Android Studio, but it doesn't work.

(我只需要从mySql中检索一件事即可在Android Studio中使用，但它不起作用。)

This is my code for now, i tried many things as json but my case is really simple, i just need one variable from my database

(这是我的代码，我尝试了很多作为json的操作，但是我的情况确实很简单，我只需要数据库中的一个变量)

  ask by Jalmir Iago translate from so

Answer 1

等待大神答复