How to use SharedPreferences [duplicate]

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Try putting it in your onCreate(). Also, getDefaultSharedPreferences() is easier:

@Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

    // Access the default SharedPreferences
    SharedPreferences preferences = 
    PreferenceManager.getDefaultSharedPreferences(this);
    // The SharedPreferences editor - must use commit() to submit changes
    SharedPreferences.Editor editor = preferences.edit();

    // Edit the saved preferences
    editor.putString("UserName", "JaneDoe");
    editor.putInt("UserAge", 22);
    editor.commit();
}

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