Android 之Preference控件基本使用示例详解

<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:settings="http://schemas.android.com/apk/res/com.android.settings"
    android:title="@string/display_settings"
    settings:keywords="@string/keywords_display">
    <PreferenceCategory
        android:key="phone_category"
        android:title="我的手机">
        <Preference
            android:key="phone"
            android:summary="关于手机"
            android:title="小米" />
        <Preference
            android:key="phone_status"
            android:title="状态信息" />
    </PreferenceCategory>
    <PreferenceCategory
        android:key="other_category"
        android:title="其他">
        <SwitchPreference
            android:key="permission"
            android:summary="位置权限，定位获取位置信息"
            android:title="权限" />
    </PreferenceCategory>
    <PreferenceScreen
    android:fragment="com.android.settings.accessibility.ToggleFontSizePreferenceFragment"
        android:key="font_size"
        android:title="@string/title_font_size"
        settings:keywords="@string/keywords_display_font_size" />
</PreferenceScreen>

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    addPreferencesFromResource(R.xml.display_settings);
}

PreferenceGroup preferenceScreen = getPreferenceScreen();
PreferenceCategory webCategory =
        new PreferenceCategory(getPrefContext());
webCategory.setTitle(R.string.web_action_section_title);
preferenceScreen.addPreference(webCategory);
// toggle to enable / disable Web
mWeb = new SwitchPreference(getPrefContext());
mWeb.setTitle(R.string.web_action_enable_title);
mWeb.setSummary(R.string.web_action_enable_summary);
mWeb.setChecked(Settings.Secure.getInt(getContentResolver(),
        Settings.Secure.WEB_ACTION_ENABLED, 1) != 0);
mWebn.setOnPreferenceChangeListener(this);
webCategory.addPreference(mWeb);
// list to manage link handling per app
PreferenceGroup mDomainAppList = new PreferenceCategory(getPrefContext());
mDomainAppList.setTitle(R.string.domain_url_section_title);
preferenceScreen.addPreference(mDomainAppList);