如题，现在项目碰到在Android Studio中开发一个Activity，然后怎么用RxJava + Retrofit 获取一个 https://api.jsonbin.io/ 来的json 数据串，现在在Activity的list上。由于我较长时间没有碰Android开发，请哪位能否大致的给一个写法的框架，这样我能使用和看懂，非常感谢!
CSDN随便一搜一堆啊https://blog.csdn.net/huangxiaoguo1/article/details/106525461?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522165603196216781483744419%2522%252C%2522scm%2522%253A%252220140713.130102334..%2522%257D&request_id=165603196216781483744419&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~blog~baidu_landing_v2~default-1-106525461-null-null.nonecase&utm_term=RxJava+%2B+Retrofit+&spm=1018.2226.3001.4450