Get Android shared preferences value in activity normal class

Question

I have made a shared preference activity that store the user settings  now i want to get values in a activity or normal java class please provide a solution or example i have already tried this code but failed   public void onCreate Bundle savedInstanceState         super onCreate savedInstanceState       SharedPreferences channel this getSharedPreferences strFile  Context MODE PRIVATE       strChannel channel getString keyChannel  Default   toString        Toast makeText getApplicationContext    strChannel  Toast LENGTH LONG  show                             in this code strfile for eg  com android pack ClassName is SharedPreference Activity from values to be fetched  and keyChannel is key that is same in SharedPreference Activity   Kindly provide the solution

User · Accepted Answer

If you have a SharedPreferenceActivity by which you have saved your values

SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
String imgSett = prefs.getString(keyChannel, "");

if the value is saved in a SharedPreference in an Activity then this is the correct way to saving it.

SharedPreferences shared = getSharedPreferences(PREF_NAME, MODE_PRIVATE);
SharedPreferences.Editor editor = shared.edit();
editor.putString(keyChannel, email);
editor.commit();// commit is important here.

and this is how you can retrieve the values.

SharedPreferences shared = getSharedPreferences(PREF_NAME, MODE_PRIVATE);
String channel = (shared.getString(keyChannel, ""));

Also be aware that you can do so in a non-Activity class too but the only condition is that you need to pass the context of the Activity. use this context in to get the SharedPreferences.

mContext.getSharedPreferences(PREF_NAME, MODE_PRIVATE);

User · Answer

You use uninstall the app and change the sharedPreferences name then run this application  I think it will resolve the issue   A sample code to retrieve values from sharedPreferences you can use the following set of code    SharedPreferences shared   getSharedPreferences PREF NAME  MODE PRIVATE   String channel    shared getString keyValue

User · Answer

I tried this code  to retrieve shared preferences from an activity  and could not get it to work           SharedPreferences sharedPreferences   PreferenceManager getDefaultSharedPreferences this       sharedPreferences getAll        Log d  AddNewRecord    getAll      sharedPreferences getAll         Log d  AddNewRecord    Size      sharedPreferences getAll   size       Every time I tried  my preferences returned 0  even though I have 14 preferences saved by the preference activity  I finally found the answer  I added this to the preferences in the onCreate section   getPreferenceManager   setSharedPreferencesName  defaultPreferences     After I added this statement  my saved preferences returned as expected  I hope that this helps someone else who may experience the same issue that I did

User · Answer

This is the procedure that seems simplest to me   SharedPreferences sp   getSharedPreferences  MySharedPrefs   MODE PRIVATE   SharedPreferences Editor e   sp edit         if  sp getString  sharedString   null  equals  true                  sp getString  sharedString   null     null            e putString  sharedString    false   commit               Do something       else              Do something else

[android] Get Android shared preferences value in activity/normal class

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