Column(
              mainAxisAlignment: MainAxisAlignment.spaceEvenly,
              crossAxisAlignment: CrossAxisAlignment.center,
              children: [
                Padding(
                  padding: const EdgeInsets.all(8.0),
                  child: TextFormField(
                    validator: (String? value) {
                      if (value != null && value.isEmpty) {
                        return 'Insira o nome da tarefa';
                      }
                      return null;
                    },
                    controller: nameController,
                    decoration: InputDecoration(
                      border: OutlineInputBorder(),
                      hintText: 'Nome',
                      fillColor: Colors.white70,
                      filled: true,
                    ),
                  ),
                ),
                Padding(
                  padding: const EdgeInsets.all(8.0),
                  child: TextFormField(
                    validator: (value) {
                      if (value!.isEmpty ||
                          int.parse(value) > 5 ||
                          int.parse(value) < 1) {
                        return 'Insira um número entre 1 a 5';
                      }
                      return null;
                    },
                    keyboardType: TextInputType.number,
                    controller: difficultyController,
                    decoration: InputDecoration(
                      border: OutlineInputBorder(),
                      hintText: 'Dificuldade',
                      fillColor: Colors.white70,
                      filled: true,
                    ),
                  ),
                ),
                Padding(
                  padding: const EdgeInsets.all(8.0),
                  child: TextFormField(
                    validator: (value) {
                      if (value!.isEmpty) {
                        return 'insira um URL de imagem';
                      }
                      return null;
                    },
                    onChanged: (text) {
                      setState(() {});
                    },
                    keyboardType: TextInputType.url,
                    controller: imageController,
                    decoration: InputDecoration(
                      border: OutlineInputBorder(),
                      hintText: 'imagem',
                      fillColor: Colors.white70,
                      filled: true,
                    ),
                  ),
                ),