When I was learning flutter I used to get confused by a lot by questions like why the width of the widget is not working? why that Row is overflowing, or why the Container’s child is not visible? So in this blog, I will demystify how Flutter constraints work. What is BoxConstraints? What rules does it follow? And some of the gotchas you may come across while developing flutter UI. https://burhanrashid52.com/2021/08/20/demystifying-flutter-constraints-rules-constraints-go-down-part-1/