SettingsActivity.java 文件源码

private void updatePreference(Preference preference) {
    //Mostra corretamente os objetos
    if (preference instanceof ListPreference) {
        ListPreference listPreference = (ListPreference) preference;
        listPreference.setSummary(listPreference.getEntry());
    }
    else if(preference instanceof EditTextPreference)
    {
        EditTextPreference editTextPreference = (EditTextPreference) preference;
        editTextPreference.setSummary(editTextPreference.getText());
    }
}