Question

I save preferences in one activities but not able to get saved preferences in other activity. I can access saved preferences in the same activity but not in other one.
It is not giving me any error but always gibing null values in second activity.

Below is the code:

First Activity:
      public static final String PREFS_NAME = "MyPrefsFile";
    SharedPreferences.Editor editor;
editor.putString("token", access_token);
 editor.commit();

Second Activity:

      public static final String PREFS_NAME = "MyPrefsFile";
   SharedPreferences prefs = getSharedPreferences(PREFS_NAME, 0);//getPreferences(0); 
     String restoredtoken = prefs.getString("token", null);
     if (restoredtoken== null) {
               ///doing some task;


            }

Answer 1

Your first activity should have:

android.content.SharedPreferences prefs = getSharedPreferences(PREFS_NAME, 0);
android.content.SharedPreferences.Editor editor = prefs.edit();
editor.putString("token", access_token);
editor.commit();

Some other suggestions:

• You should use Context.MODE_PRIVATE
  instead of the magic number 0 in the
  call to getSharedPreferences().
• In
  your new edit, you show you have two
  different static fields in each
  activity for PREFS_NAME. This
  should be a single variable in either
  one, or somewhere else, but should
  not be duplicated.