网络判断

package com.bw.com.zuoye0316;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
c class IsNetConnection {
public static boolean getNetWork(Context context) {
ConnectivityManager manager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo info = manager.getActiveNetworkInfo();
if (info != null) {
return info.isAvailable();
}
return false;
}
}