Flutter无法在文本中使用Google字体

Question

当我尝试使用Google_fonts时，我会收到这样的错误。我还导入了库，并将“ google_fonts： ^3.0.1”添加到“ pub.yml”文件中。 。

“我添加了 =“控制台错误映像”>

void main() {
  runApp(BenimUyg());
}

class BenimUyg extends StatelessWidget {
  const BenimUyg({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      home: Scaffold(
        backgroundColor: Colors.brown[300],
        body: SafeArea(
          child: Center(
            child: Column(
              mainAxisSize: MainAxisSize.min,
              children: const <Widget>[
                CircleAvatar(
                  backgroundColor: Colors.lime,
                  backgroundImage: AssetImage("assets/images/kahve.jpg"),
                  radius: 70,
                ),
                Text(
                  "Flutter Kahvecisi",
                  style: TextStyle(
                    fontSize: 40,
                    fontFamily: "Courgette",
                    color: Colors.brown,
                  ),
                ),
                // ignore: unnecessary_const
                Text(
                  "Çok Yakındasınız",
                  style: GoogleFonts.pacifico(
                    textStyle: TextStyle(
                      color: Colors.lime,
                    ),
                  ),
                ),
              ],
            ),
          ),
        ),
      ),
    );
  }
}

Answer 1

该问题来自儿童：const＆lt; widget＆gt; [删除const。

 child: Column(
              mainAxisSize: MainAxisSize.min,
              children: <Widget>[ // here
                CircleAvatar(
                  backgroundColor: Colors.lime,
                  backgroundImage: AssetImage("assets/images/kahve.jpg"),
                  radius: 70,
                ),

class BenimUyg extends StatelessWidget {
  const BenimUyg({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      home: Scaffold(
        backgroundColor: Colors.brown[300],
        body: SafeArea(
          child: Center(
            child: Column(
              mainAxisSize: MainAxisSize.min,
              children: <Widget>[
                const CircleAvatar(
                  backgroundColor: Colors.lime,
                  backgroundImage: AssetImage("assets/images/kahve.jpg"),
                  radius: 70,
                ),
                const Text(
                  "Flutter Kahvecisi",
                  style: TextStyle(
                    fontSize: 40,
                    fontFamily: "Courgette",
                    color: Colors.brown,
                  ),
                ),
                // ignore: unnecessary_const
                Text(
                  "Çok Yakındasınız",
                  style: GoogleFonts.pacifico(
                    textStyle: const TextStyle(
                      color: Colors.lime,
                    ),
                  ),
                ),
              ],
            ),
          ),
        ),
      ),
    );
  }
}