wxRedPacket/app/src/main/java/me/yoqi/app/wxredpacket/utils/ConnectivityUtil.java

package me.yoqi.app.wxredpacket.utils;

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

/**
 * Created by Zhongyi on 1/29/16.
 */
public class ConnectivityUtil {
    public static boolean isWifi(Context context) {
        ConnectivityManager cm =
                (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);

        NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
        return activeNetwork != null && activeNetwork.isConnectedOrConnecting()
                && activeNetwork.getType() == ConnectivityManager.TYPE_WIFI;
    }
}