กระพือภาพ appbar ความกว้าง

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ความสูงของ appbar กระพือภาพ

appBar: PreferredSize(
  preferredSize: Size.fromHeight(100.0),
  child: AppBar(
    automaticallyImplyLeading: false, // hides leading widget
    flexibleSpace: SomeWidget(),
  )
),
5
0

กระพือภาพ appbar ความกว้าง

appBar: AppBar(
          title: Text('AppBar Height'),
          toolbarHeight: 100.0, // double
          automaticallyImplyLeading: false, // hides back button
        ),
0
0

กระพือภาพยังจะหา appbar ขนาด

var height = AppBar().preferredSize.height;

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