Flutter 如何更改appBar后退按钮颜色

3 min read
MaterialApp(
  title: 'Flutter Demo',
  theme: ThemeData(
    primarySwatch: Colors.blue,
    appBarTheme: AppBarTheme( // <-- SEE HERE
      iconTheme: IconThemeData(color: Colors.black),
    ),
  ),
  home: AppBarBackButtonColorDemo(),
);