ServerPreferencesScreen.java 文件源码

private void setKeys(PreferenceScreen screen)
{
    for(int i = 0; i < screen.getPreferenceCount(); i++)
    {
        Preference preference = screen.getPreference(i);
        String key = server + ";" + preference.getKey();
        preference.setKey(key);
        if(preference instanceof EditIntPreference)
            ((EditIntPreference)preference).setInt(preference.getSharedPreferences().getInt(key, -1));
        else if(preference instanceof EditTextPreference)
            ((EditTextPreference)preference).setText(preference.getSharedPreferences().getString(key, null));
        else if(preference instanceof ListPreference)
            ((ListPreference)preference).setValue(preference.getSharedPreferences().getString(key, null));
        else if(preference instanceof CheckBoxPreference)
            ((CheckBoxPreference)preference).setChecked(preference.getSharedPreferences().getBoolean(key, false));
        if(preference instanceof PreferenceScreen)
            setKeys((PreferenceScreen)preference);
    }
}