SharedPreferences.getBoolean returns true everytime

Question

I made a class for handling important data changes such as App Purchase Status and other stuff .

For this goal I have created a class which does the setting and read

Answer 1

For those still having a problem, remember to apply the changes to your preferences.

 private SharedPreferences sharedPreferences ;
 private SharedPreferences.Editor sharedPreferencesEditor;

 sharedPreferencesEditor.putBoolean("myVariable", false);
 sharedPreferencesEditor.apply();