How to iterate through all keys of shared preferences?

Question

SharedPreferences have method getAll, but it returns no entries despite the fact some keys exist:

PreferenceManager.getDefaultSharedPreferences(this).contain         


        

Answer 1

incase anyone wants to iterate through sharedpreferences in KOTLIN

 sharedPreferences?.all?.forEach {
     //access key using it.key & value using it.value
     Log.d("Preferences values",it.key() + ": " + it.value()             
 }