NetworkDetectUtil.java

package com.bestapp.yikuair.utils;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;

public class NetworkDetectUtil {  
	   
    public static boolean detect(Context context) {  
        
       ConnectivityManager manager = (ConnectivityManager) context  
              .getApplicationContext().getSystemService(  
                     Context.CONNECTIVITY_SERVICE);  
        
       if (manager == null) {  
           return false;  
       }  
        
       NetworkInfo networkinfo = manager.getActiveNetworkInfo();  
        
       if (networkinfo == null || !networkinfo.isAvailable()) {  
           return false;  
       }  
   
       return true;  
    }  
}