关闭后如何保存我的Android应用程序的状态？

Question

I've been working on an app lately and didnt figure out how to save the state of my application after closing ,i found something about SharedPreferences but i saw that it saves a (key,value) ,it can help if i want to store the username and the password but how to store the whole state of the app ?

Thanks.

Answer 1

Please see here . It has exactly what you need. Just override onSaveInstanceState and save whatever custom values you may have to the bundle, and retrieve it by overriding onRestoreInstanceState .