Extremely doubtful, given that many of the modern ones have been written in XML (e.g. xaml, android) and iOS went old skool with a drag/drop GUI. No-one went p

Extremely doubtful, given that many of the modern ones have been written in XML (e.g. xaml, android) and iOS went old skool with a drag/drop GUI. No-one went pure code (because it's a massive PITA).