PreferencesFragment.java 文件源码

private void setupDaydreamPreferences() {
    if (!isAdded() ) return;
    enablePreference("autostart",  !Utility.isConfiguredAsDaydream(mContext) );
    Preference pref = findPreference("autostart");
    boolean on = pref.isEnabled();
    String summary = on ? "" : getString(R.string.autostart_message_disabled);
    pref.setSummary(summary);


    PreferenceCategory category = (PreferenceCategory) findPreference("category_behaviour");
    removePreference("force_auto_rotation");
    if (!on) {
        SwitchPreference forceAutoRotation = new SwitchPreference(mContext);
        forceAutoRotation.setKey("force_auto_rotation");
        forceAutoRotation.setTitle(getString(R.string.force_auto_rotation));
        forceAutoRotation.setSummary(getString(R.string.force_auto_rotation_summary));
        forceAutoRotation.setDefaultValue(false);
        category.addPreference(forceAutoRotation);
    }
}