Android中PreferenceActivity使用详解

<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="Http://schemas.android.com/apk/res/android" > 
    
    <ListPreference
        android:key="setting_language_preference"
        android:title="语言设置"
        android:entries="@array/language_entries"
        android:entryValues="@array/language_values"
        android:summary="支持：普通话，粤语，英语，德语，法语"
        android:defaultValue="mandarin"  />
    
    <EditTextPreference
        android:key="setting_preference"   
		android:title="连接超时" 
		android:dialogTitle="请输入时间(0-10000)ms"
        android:summary="默认值1800"
		android:defaultValue="1800" />
 
	
	<CheckBoxPreference
		android:key="@string/pref_key_translate"
		android:title="Love me ?"
		android:defaultValue="false" />
 
</PreferenceScreen>

<string-array name="language_entries">
        <item>普通话</item>
        <item>粤语</item>
        <item>英语</item>
        <item>俄语</item>
        <item>法语</item>
</string-array>
<string-array name="language_values">
        <item>mandarin</item>
        <item>cantonese</item>
        <item>en_us</item>
        <item>russian</item>
        <item>french</item>
</string-array>
<string name="pref_key_translate">love_me</string>

public class SettingActivity extends PreferenceActivity {
 
    public static final String PREFER_NAME = "setting";
    private EditTextPreference mVadbosPreference;
 
    @SuppressWarnings("deprecation")
    public void onCreate(Bundle savedInstanceState) {
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        super.onCreate(savedInstanceState);
        getPreferenceManager().setSharedPreferencesName(PREFER_NAME);
        addPreferencesFromResource(R.xml.setting);
 
        mVadbosPreference = (EditTextPreference)findPreference("setting_preference");
 
    }
 
}

<?xml version="1.0" encoding="utf-8"?>
<preference-headers xmlns:android="http://schemas.android.com/apk/res/android">
    <header android:fragment="com.ang.demo.ui.fragment.ListFragmentSettings"
        android:icon="@drawable/ic_launcher"
        android:title="Settings"
        android:summary="真球忙">
    </header>
 
    <header
        android:fragment="com.ang.demo.ui.fragment.PreferenceFragmentTest"
        android:title="PreferenceFragmentTest">
    </header>
 
    <header
        android:icon="@mipmap/ic_launcher"
        android:summary="view baidu WEBsite"
        android:title="baidu">
        <intent
            android:action="android.intent.action.VIEW"
            android:data="https://m.baidu.com/" />
    </header>
</preference-headers>

public class ListFragmentSettings extends ListFragment {
    protected ArrayAdapter<String> mAdapter;
    protected String mData[];
 
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        mData = getActivity().getResources().getStringArray(R.array.contries);
        mAdapter = new ArrayAdapter<String>(getActivity(), android.R.layout.simple_list_item_single_choice, mData);
        setListAdapter(mAdapter);
    }
 
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_radio_zone_settings, container,false);
        return view;
    }
    
   
    public void onListItemClick(ListView l, View v, int position, long id) {
        super.onListItemClick(l, v, position, id);
    }
}

public class PreferenceFragmentTest extends PreferenceFragment {
 
    @Override
    public void onCreate(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onCreate(savedInstanceState);
        //从xml文件加载选项
        addPreferencesFromResource(R.xml.fragment_preference_test);
    }
}

<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
    <!-- 设置的类别 -->
    <PreferenceCategory
        android:key="mylocation"
        android:summary="我的位置源"
        android:title="我的位置">
        <CheckBoxPreference
            android:key="wireless_network"
            android:title="使用GPS"
            android:summary="使用Gps查看应用的位置"
            />
    </PreferenceCategory>
 
    <PreferenceCategory
        android:key="mymsg"
        android:summary="个人信息s"
        android:title="个人信息">
        <EditTextPreference
            android:key="myname"
            android:title="请输入真实姓名"
            android:summary="姓名"/>
    </PreferenceCategory>
 
</PreferenceScreen>

public class PreferenceActivityTest extends PreferenceActivity {
    private static List<String> fragments = new ArrayList<String>();
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (hasHeaders()) {
            Button button = new Button(this);
            button.setText("Exit");
            setListFooter(button);
        }
    }
 
    @Override
    public void onBuildHeaders(List<Header> target) {
        loadHeadersFromResource(R.xml.activity_settings, target);//从xml文件加载Preference选项
        fragments.clear();
        for (Header header : target) {
            fragments.add(header.fragment);
        }
    }
 
    //android 4.3以上版本需要做验证，验证方式有很多 https://www.manongdao.com/article-73175.html
    @Override
    protected boolean isValidFragment(String fragmentName) {
        return fragments.contains(fragmentName);
    }
}