NetworkChangeReceiver.java

package com.threeH.MyExhibition.receiver;


import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.util.Log;
import com.threeH.MyExhibition.service.SocketService;

/**
 * 网络状态广播
 *
 * @author pjq
 */
public class NetworkChangeReceiver extends BroadcastReceiver {
    private static final String CONNECTIVITY_CHANGE = "android.net.conn.CONNECTIVITY_CHANGE";

    @Override
    public void onReceive(Context context, Intent intent) {
        String action = intent.getAction();
        if (CONNECTIVITY_CHANGE.equals(action)) {
            Log.i("data", "网络状态发生了改变");
            ConnectivityManager connectivityManager =
                    (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
            NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();
            if (null != networkInfo) {
                if (networkInfo.isAvailable()) {
                    Log.i("data", "当前网络是可用的");
                    Intent socketServiceIntent = new Intent(context, SocketService.class);
                    context.startService(socketServiceIntent);
                }
            } else {
                Log.i("data", "当前无可用网络");
            }
        }
    }

}