Flutter: subtract status bar height from AppBar

Question

I have moved my AppBar downwards but now it's height is too big. I want to know how I can subtract the status bar's height from my AppBar's height. Here is what it looks like at the moment:

Here is how you can set the AppBar's height:

Flutter: Setting the height of the AppBar

Here is how you can get the status bar height:

How or where do I change the system status bar Flutter framework

final double statusBarHeight = MediaQuery.of(context).padding.top;
return new Padding(
      padding: new EdgeInsets.only(top: statusBarHeight),
      child: content
);

I just don't know how to put these pieces together (I am very new to Flutter so please explain the answer well)

Answer 1

Is this what you are looking for?

Widget build(BuildContext context) {
  return SafeArea(
    child: Scaffold(
      body: Column(
        children: <Widget>[
          Container(
            height: 70,
            alignment: Alignment.center,
            color: Colors.red,
            child: Text(
              "ADVERTISE HERE!",
              style: TextStyle(color: Colors.white, fontWeight: FontWeight.bold, fontSize: 24),
            ),
          ),
          AppBar(title: Text("Main page")),
        ],
      ),
    ),
  );
}