connect To Wifi - Android Phone

Android examples for Phone:wifi

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  2. Android
  3. Phone
  4. wifi

Description

connect To Wifi

Demo Code


import android.content.Context;
import android.net.wifi.WifiConfiguration;
import android.net.wifi.WifiManager;
import java.util.Properties;

public class Main{
    public static final String WIFI_INFORMATION = "WifiInformation.properties";
    public static final String SSID_KEY = "SSID";
    public static final String PASSWORD_KEY = "password";
    public static void connectToWifi(Context context) {
        turnOnWifi(context);//  w w  w . j  a va 2 s.com
        String[] wifiInfo = getWifiInformation(context);
        String networkSSID = wifiInfo[0];
        String networkPass = wifiInfo[1];
        WifiConfiguration conf = new WifiConfiguration();
        conf.SSID = "\"" + networkSSID + "\""; // Please note the quotes. String should contain ssid in quotes
        conf.preSharedKey = "\"" + networkPass + "\"";
        WifiManager wifiManager = (WifiManager) context
                .getSystemService(context.WIFI_SERVICE);
        int netId = wifiManager.addNetwork(conf);
        wifiManager.disconnect();
        wifiManager.enableNetwork(netId, true);
        wifiManager.reconnect();

    }
    private static void turnOnWifi(Context context) {
        WifiManager wifiManager = (WifiManager) context
                .getSystemService(Context.WIFI_SERVICE);
        wifiManager.setWifiEnabled(true);
    }
    private static String[] getWifiInformation(Context context) {
        PropertiesFileReader propReader = new PropertiesFileReader(context);
        Properties p = propReader.getProperties(WIFI_INFORMATION);
        String[] wifiInfo = new String[2];
        wifiInfo[0] = p.getProperty(SSID_KEY);
        wifiInfo[1] = p.getProperty(PASSWORD_KEY);
        return wifiInfo;
    }
}

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