NetConnectedUtils.java

package laudarch.utils;

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

import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URL;

/**
 * Created by laudarch on 8/24/16.
 */
public class NetConnectedUtils {
    /**
     *
     * @param context
     * @return true ; false 
     */
    public static boolean isNetConnected(Context context) {
		boolean ret = false;
		ConnectivityManager connectivityManager
			= (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);

		// connectivityManager.getActiveNetwork();

		NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();

		if (networkInfo == null) {
			return ret;
		}

		ret = networkInfo.isAvailable() & networkInfo.isConnected();

		return ret;
    }

    /**
     *
     * @param context 
     * @return false ; true 
     */
    public static boolean isPhoneNetConnected(Context context) {
		int typeMobile = ConnectivityManager.TYPE_MOBILE;
		return isNetworkConnected(context, typeMobile);
    }


    /**
     *
     * @param context 
     * @return false ; true
     */
    public static boolean isWifiNetConnected(Context context) {
		int typeMobile = ConnectivityManager.TYPE_WIFI;
		return isNetworkConnected(context, typeMobile);
    }

    /**
     *
     * @param context    
     * @param typeMobile 
     * @return true  ; false
     */
    private static boolean isNetworkConnected(Context context, int typeMobile) {
		boolean ret = false;
		if (!isNetConnected(context)) {
			return ret;
		}

		ConnectivityManager connectManger = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
		NetworkInfo networkInfo = connectManger.getNetworkInfo(typeMobile);
		if (networkInfo == null) {
			return ret;
		}

		ret = networkInfo.isAvailable() & networkInfo.isConnected();

		return ret;
    }

	public static boolean hasActiveInternetConnection(Context context) {
		if (isNetConnected(context)) {
			try {
				HttpURLConnection urlc = (HttpURLConnection) (new URL("http://github.com").openConnection());
				urlc.setRequestProperty("User-Agent", "UA-laudarch");
				urlc.setRequestProperty("Connection", "close");
				urlc.setConnectTimeout(1500);
				urlc.connect();

				return (urlc.getResponseCode() == 200);
			} catch (IOException e) {
				e.printStackTrace();
			}
		}

		return false;
	}
}