[Projeto] Desafio adicionar imagem em tempo real

@override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('New Task'),
      ),
      body: Center(
        child: Container(
          decoration: BoxDecoration(
              color: Colors.grey.shade300,
              borderRadius: const BorderRadius.all(
                Radius.circular(15),
              ),
              border: Border.all(color: Colors.black)),
          height: 650,
          width: 375,
          child: Column(
            mainAxisAlignment: MainAxisAlignment.spaceEvenly,
            crossAxisAlignment: CrossAxisAlignment.center,
            children: [
              Padding(
                padding: const EdgeInsets.all(8.0),
                child: TextFormField(
                  controller: nameController,
                  textAlign: TextAlign.center,
                  decoration: const InputDecoration(
                    border: UnderlineInputBorder(),
                    hintText: 'Nome',
                    fillColor: Colors.white70,
                    filled: true,
                  ),
                ),
              ),
              Padding(
                padding: const EdgeInsets.all(8.0),
                child: TextFormField(
                  controller: difficultyController,
                  textAlign: TextAlign.center,
                  decoration: const InputDecoration(
                    border: UnderlineInputBorder(),
                    hintText: 'Dificuldade',
                    fillColor: Colors.white70,
                    filled: true,
                  ),
                ),
              ),
              Padding(
                padding: const EdgeInsets.all(8.0),
                child: TextFormField(
                  onChanged: (text){
                    setState(() {
                                            
                    });
                  },
                  controller: imageController,
                  textAlign: TextAlign.center,
                  decoration: const InputDecoration(
                    border: UnderlineInputBorder(),
                    hintText: 'Imagem',
                    fillColor: Colors.white70,
                    filled: true,
                  ),
                ),
              ),
              Container(
                height: 100,
                width: 72,
                decoration: BoxDecoration(
                  color: Colors.blue,
                  borderRadius: BorderRadius.circular(10),
                  border: Border.all(width: 2, color: Colors.blue),
                ),
                child: ClipRRect(
                  borderRadius: BorderRadius.circular(10),
                  child: Image.network(
                    imageController.text,
                    errorBuilder:  (BuildContext context, Object exception, StackTrace? stackTrace) {
                      return Image.asset('assets/images/nophoto.png');
                    } ,
                    fit: BoxFit.cover,
                  ),
                ),
              ),
              const SizedBox(
                height: 15,
              ),
              ElevatedButton(
                onPressed: () {
                  //TextEditingController tem varios parametros '.text' imprime só o texto.
                  // print(nameController.text);
                  // print(int.parse(difficultyController.text));
                  // print(imageController.text);
                },
                child: const Text('Adicionar!'),
              ),
            ],
          ),
        ),
      ),
    );
  }
}