NetworkUtils.java

package com.stardust.util;

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

/**
 * Created by Stardust on 2017/4/9.
 */

public class NetworkUtils {

    public static boolean isWifiAvailable(Context context) {
        ConnectivityManager connectivityManager = (ConnectivityManager) context
                .getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo();
        return activeNetInfo != null
                && activeNetInfo.getType() == ConnectivityManager.TYPE_WIFI;
    }
}