android 8.1设置添加Ethernet功能选项

<activity android:name="Settings$EthernetSettingsActivity" android:label="@string/ethernet_settings_title" android:icon="@drawable/ic_settings_wireless" android:taskAffinity=""> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.DEFAULT" /> <category android:name="android.intent.category.VOICE_LAUNCH" /> <category android:name="com.android.settings.SHORTCUT" />+ </intent-filter> &lt;meta-data android:name="com.android.settings.FRAGMENT_CLASS" android:value="com.android.settings.EthernetSettings" /&gt; </activity>