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I'm trying to build an app with a login module. I want to save the user login state so that the end-user will not have to retype his/her credentials except if they have explicitly logged out.
I understand that SharedPreferences can be of some use but I would appreciate it if some one can provide me some of their expert insight in this matter.
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When users log in to your application, store the login status into sharedPreference and clear sharedPreference when users log out. Check every time when the user enters into the application if user status from shared Preference is true then no need to log in again otherwise direct to the login page.
When the activity goes into the background, the system calls onSaveInstanceState() . You should save the search query in the onSaveInstanceState() bundle. This small amount of data is easy to save. It's also all the information you need to get the activity back into its current state.
What is the savedInstanceState Bundle? The savedInstanceState is a reference to a Bundle object that is passed into the onCreate method of every Android Activity. Activities have the ability, under special circumstances, to restore themselves to a previous state using the data stored in this bundle.
use the below link.There is 3 way to store you login details . one is using shared preference and 2nd one way is store in a file and the third one is using sqlite. This will give you the ideas for storing login details.
save user data
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