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  • 收听网络状态广播

     1 package com.jingle.networkbroadcast.receiver;
     2 
     3 import com.jingle.networkbroadcast.util.LogUtil;
     4 
     5 import android.content.BroadcastReceiver;
     6 import android.content.Context;
     7 import android.content.Intent;
     8 import android.net.ConnectivityManager;
     9 import android.net.NetworkInfo;
    10 import android.os.Bundle;
    11 
    12 public class NetworkStateReceiver extends BroadcastReceiver {
    13 
    14     @Override
    15     public void onReceive(Context context, Intent intent) {
    16         // TODO Auto-generated method stub
    17         Bundle bundle = intent.getExtras();
    18         String content;
    19         //打印传进来的bundle信息
    20         for (String key : bundle.keySet()) {
    21             if ((content = bundle.getString(key)) != null) {
    22                 LogUtil.getDebugLog("key: " + key + " content: " + content);
    23                 LogUtil.getDevider();
    24             }
    25         }
    26         LogUtil.getInfoLog("network state changed");
    27         if (!isNetworkAvailable(context)) {
    28             LogUtil.getInfoLog("网络失去连接");
    29         }
    30 
    31     }
    32 
    33     public static boolean isNetworkAvailable(Context context) {
    34         ConnectivityManager connMng = (ConnectivityManager) context
    35                 .getSystemService(Context.CONNECTIVITY_SERVICE);
    36         NetworkInfo infos[] = connMng.getAllNetworkInfo();
    37         if (infos != null) {
    38             for (NetworkInfo info : infos) {
    39                 //只要networkinfo中有状态为connected就返回true,否则返回false
    40                 if (info.getState() == NetworkInfo.State.CONNECTED) {
    41                     return true;
    42                 }
    43             }
    44         }
    45         return false;
    46     }
    47 
    48 }
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  • 原文地址:https://www.cnblogs.com/jinglecode/p/4358337.html
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