NetworkUtils.java

package com.zhan_dui.utils;

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

public class NetworkUtils {
	/**
	 * make true current connect service is wifi
	 * 
	 * @param mContext
	 * @return
	 */
	public static boolean isWifiConnected(Context mContext) {
		ConnectivityManager connManager = (ConnectivityManager) mContext
				.getSystemService(Context.CONNECTIVITY_SERVICE);
		NetworkInfo mWifi = connManager
				.getNetworkInfo(ConnectivityManager.TYPE_WIFI);

		if (mWifi.isConnected()) {
			return true;
		} else {
			return false;
		}
	}

    public static boolean isNetworkAvailable(Context context) {
        ConnectivityManager connectivityManager
                = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo();
        return activeNetworkInfo != null && activeNetworkInfo.isConnected();
    }


    public static int TYPE_WIFI = 1;
    public static int TYPE_MOBILE = 2;
    public static int TYPE_NOT_CONNECTED = 0;


    public static int getConnectivityStatus(Context context) {
        ConnectivityManager cm = (ConnectivityManager) context
                .getSystemService(Context.CONNECTIVITY_SERVICE);

        NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
        if (null != activeNetwork) {
            if(activeNetwork.getType() == ConnectivityManager.TYPE_WIFI)
                return TYPE_WIFI;

            if(activeNetwork.getType() == ConnectivityManager.TYPE_MOBILE)
                return TYPE_MOBILE;
        }
        return TYPE_NOT_CONNECTED;
    }
}