Android(安卓)技巧 - 网络可用性侦测
16lz
2021-12-04
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /> <receiver android:name=".NetworkConnectionChangeReceiver" android:enabled="true" android:exported="false"> <intent-filter> <action android:name="android.net.conn.CONNECTIVITY_CHANGE"/> </intent-filter> </receiver>
import android.content.BroadcastReceiver;import android.content.Context;import android.content.Intent;import android.net.ConnectivityManager;import android.net.NetworkInfo;import android.net.NetworkInfo.State;public class NetworkConnectionChangeReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { Intent myIntent = new Intent(context, WAMPClient.class); ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo info = cm.getActiveNetworkInfo(); if (null != info) { State state = info.getState(); if (State.CONNECTED == state) { // connected to network context.startService(myIntent); } } else {// network connection lost context.stopService(myIntent); } }}
更多相关文章
- 代码中设置drawableleft
- android 3.0 隐藏 系统标题栏
- Android开发中activity切换动画的实现
- Android(安卓)学习 笔记_05. 文件下载
- Android中直播视频技术探究之—摄像头Camera视频源数据采集解析
- 技术博客汇总
- android 2.3 wifi (一)
- AndRoid Notification的清空和修改
- Android中的Chronometer