SettingsFragment.java 文件源码

@Override
public boolean onPreferenceChange(Preference preference, Object obj) {
    switch (preference.getOrder()) {
        case 0:
            if (obj instanceof Boolean) {
                mDayTimePref.setEnabled((boolean) obj);
                mNightTimePref.setEnabled((boolean) obj);
            }
            break;
    }
    return true;
}