how to use getSharedPreferences in android

Question

I have an application in which I have to implement a  Login  activity  I have these components    EditText username EditText password Button Login Button Cancel   I want that my application to remember the login details of the user once the user has logged in until the user would press the  log out  button  I m not using preferences in my xml   How do I get the getSharedPreferences String name  int mode  to work in my application

User · Answer

Set Preference SharedPreferences myPrefs   getSharedPreferences  myPrefs   MODE WORLD READABLE   SharedPreferences Editor prefsEditor    prefsEditor   myPrefs edit        strVersionName- gt Any value to be stored   prefsEditor putString  STOREDVALUE   strVersionName     prefsEditor commit       Get Preferenece   SharedPreferences myPrefs      myPrefs   getSharedPreferences  myPrefs   MODE WORLD READABLE     String StoredValue myPrefs getString  STOREDVALUE          Try this

User · Answer

After reading around alot  only this worked  In class to set Shared preferences    SharedPreferences userDetails   getApplicationContext   getSharedPreferences  test   MODE PRIVATE                       SharedPreferences Editor edit   userDetails edit                        edit clear                        edit putString  test1    1                        edit putString  test2    2                        edit commit      In AlarmReciever   SharedPreferences userDetails   context getSharedPreferences  test   Context MODE PRIVATE       String test1   userDetails getString  test1            String test2   userDetails getString  test2

User · Answer

If someone used this   val sharedPreferences   PreferenceManager getDefaultSharedPreferences context    PreferenceManager is now depricated  refactor to this   val sharedPreferences   context getSharedPreferences context packageName     preferences   Context MODE PRIVATE

User · Answer

First get the instance of SharedPreferences using  SharedPreferences userDetails   context getSharedPreferences  userdetails   MODE PRIVATE     Now to save the values in the SharedPreferences  Editor edit   userDetails edit    edit putString  username   username getText   toString   trim     edit putString  password   password getText   toString   trim     edit apply      Above lines will write username and password to preference  Now to to retrieve saved values from preference  you can follow below lines of code  String userName   userDetails getString  username        String password   userDetails getString  password           NOTE  SAVING PASSWORD IN THE APP IS NOT RECOMMENDED  YOU SHOULD EITHER ENCRYPT THE PASSWORD BEFORE SAVING OR SKIP THE SAVING THE PASSWORD

[android] how to use getSharedPreferences in android

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