Android - How to enable and disable the wifi

You can use the WifiManager class and through the setWifiEnabled method you can enable and disable wifi, official documentation can be found here .

For this you must add the permission in the manifest of your application.

In your AndroidManifest.xml add the following permission:

<uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />

and in your program implement:

   WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);
   wifi.setWifiEnabled(false); //desabilita
   wifi.setWifiEnabled(true); //habilita