@EReceiver
public class NetworkReceiver extends BroadcastReceiver {
    @ReceiverAction(ConnectivityManager.CONNECTIVITY_ACTION)
    void onConnectivityChanged() {
        ...
    }

Class 'NetworkReceiver' must either be declared abstract or implement abstract method 'onReceive(Context ,Intent)' in 'BroadcastReceiver'

    @ReceiverAction(ConnectivityManager.CONNECTIVITY_ACTION)
    void onConnectivityChanged() {
        ...
    }

    @Override
    public void onReceive(Context context, Intent intent) {
        // Nothing
    }