Wifi Changed Receiver, based on Otto-Bus.

WifiNetworkChangedReceiver.java

/*
		<receiver android:name=".WifiNetworkChangedReceiver">
			<intent-filter>
				<action android:name="android.net.conn.CONNECTIVITY_CHANGE" />
			</intent-filter>
			<intent-filter>
				<action android:name="android.net.wifi.STATE_CHANGE" />
			</intent-filter>
		</receiver>
*/


/**
 * Receiver to detect status of Wifi.
 */
public final class WifiNetworkChangedReceiver extends BroadcastReceiver{

	@Override
	public void onReceive(Context context, Intent intent) {
		NetworkInfo info = intent.getParcelableExtra(WifiManager.EXTRA_NETWORK_INFO);
		if(info!=null && TextUtils.equals(info.getTypeName(), "WIFI")) {
			BusProvider.getBus().post(new WifiEvent(info.isConnected()));
		}
	}
}