Answers for "transparent custom appbar in flutter"

flutter transparent appbar

@override
  Widget build(BuildContext context) {
    return Scaffold(
      extendBodyBehindAppBar: true,
      backgroundColor: Colors.red,
      appBar: AppBar(
        backgroundColor: Colors.transparent,
        elevation: 0,
        title: Text("Title"),
      ),
      body: Center(child: Text("Content")),
    );
  }