Android之PreferenceActivity应用详解

<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen
xmlns:android="http://schemas.android.com/apk/res/android">
<CheckBoxPreference
android:key="autoBack"
android:title="自动回复"
android:summaryOn="开启"
android:summaryOff="关闭"
android:defaultValue="true"
/>
<PreferenceCategory android:title="SMS 助手">
<CheckBoxPreference
android:key="smsSilence"
android:title="静音"
android:summaryOn="开启"
android:summaryOff="关闭"
android:defaultValue="false"
/>
<PreferenceScreen android:title="更多选项">
<CheckBoxPreference
android:key="cb21"
android:title="功能1"
android:summaryOn="开启"
android:summaryOff="关闭"
android:defaultValue="true"
/>
<CheckBoxPreference
android:key="cb22"
android:title="功能2"
android:summaryOn="使用"
android:summaryOff="停用"
android:defaultValue="true"
/>
<ListPreference
android:key="list1"
android:title="android forum"
android:summary="开发论坛"
android:dialogTitle="请选择论坛"
android:entries="@array/entries_list_preference"
android:entryValues="@array/entriesvalue_list_preference"
/>
<EditTextPreference
android:key="et1"
android:title="EditTextPreference Sample"
android:summary="点击输入"
android:dialogTitle="输入设置"
android:defaultValue="Hello EditTextPreference"
/>
</PreferenceScreen>
</PreferenceCategory>
<PreferenceCategory android:title="其他选项">
<RingtonePreference
android:key="rt1"
android:title="RingtonePreference Sample"
android:summary="选择铃声"
/>
</PreferenceCategory>
</PreferenceScreen>

addPreferencesFromResource(R.xml.settings);

sp = PreferenceManager.getDefaultSharedPreferences(this);

sp.registerOnSharedPreferenceChangeListener(new OnSharedPreferenceChangeListener(){
@Override
//sharedPreferences:句柄
//key: 改变 键值
public void onSharedPreferenceChanged(
SharedPreferences sharedPreferences, String key) {
// TODO Auto-generated method stub
if(key.equals("autoBack")){
Boolean autoBack = sharedPreferences.getBoolean("autoBack", false);
if(autoBack){
Log.d("TAG","autoBack: true!");
}
else {
Log.d("TAG","autoBack: false!");
}
}
}
});

spc = this.getSharedPreferences("com.android.PreferenceActivity.Usage_preferences.xml", MODE_WORLD_READABLE );

Boolean autoBack = spc.getBoolean("autoBack", false);

public void putValue(String key, Boolean value){
spe = spc.edit();
spe.putBoolean(key, value);
spe.commit();
}

<ListPreference
android:key="list1"
android:title="android forum"
android:summary="开发论坛"
android:dialogTitle="请选择论坛"
android:entries="@array/entries_list_preference"
android:entryValues="@array/entriesvalue_list_preference"
/>

<?xml version="1.0" encoding="utf-8"?>
<resources>
<string-array name="entries_list_preference">
<item>www.anddev.org</item>
<item>www.eoeandroid.com</item>
<item>developer.android.com</item>
</string-array>
<string-array name="entriesvalue_list_preference">
<item>1</item>
<item>2</item>
<item>3</item>
</string-array>
</resources>

<EditTextPreference
android:key="et1"
android:title="EditTextPreference Sample"
android:summary="点击输入"
android:dialogTitle="输入设置"
android:defaultValue="Hello EditTextPreference"
/>