android - Store and Get Application's Shared Preferences In Activities -

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I want to save MainActivity in the shared preferences And get it from MenuException I tried to do this:

Main Activity : 

  ISharedPreferences _prefs; ISharedPreferencesEditor Editor = _prefs.Edit (); Editor. Patstrings ("user", type); Editor.Apply ();   
  MenuActivity :  
  ISharedPreferences _prefs = Application.Context.GetSharedPreferences ("user", FileCreationMode.Private);   
 I think I'm not caching  main activity  in the  shared preferences  at the application level  < P> Therefore, any ideas on how to store  shared preferences  globally?   
 
 
 OK, this has changed it:  
  ISharedPreferences _prefs = Application.Context.GetSharedPreferences ("User", FileCreationMode.Private);   
 To do this:  
  ISharedPreferences _prefs = PreferenceManager.GetDefaultSharedPreferences (application.Context);

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