小编Him*_*ani的帖子

我是扑的新手。我想将 flutter 的 (android) 模块打开到另一个窗口。但是在 java 文件或任何其他 android 文件中没有可见的选项。

这是我的颤振医生：

Doctor summary (to see all details, run flutter doctor -v):
[?] Flutter (Channel beta, v1.7.8+hotfix.4, on Mac OS X 10.14.5 18F132, locale en-IN)
[?] Android toolchain - develop for Android devices (Android SDK version 28.0.3)
[?] Xcode - develop for iOS and macOS (Xcode 11.3.1)
[!] iOS tools - develop for iOS devices
 ? libimobiledevice and ideviceinstaller are not installed. To install with Brew, run:
    brew update
    brew install --HEAD …

这是我的警报对话框代码：我添加了 Navigator.pop(context); 在点击的方法调用中。但它并没有关闭。

 showLoginDialog(BuildContext context,
  {TextEditingController usernameController,
  TextEditingController loginController}) {
var textController = new TextEditingController();
var nameTextController = new TextEditingController();
String dateToPost;
Alert(
    context: context,
    title: "Add Profile",
    content: Column(
      children: <Widget>[
        TextField(
          controller: nameTextController,
          decoration: InputDecoration(
            labelText: 'Name',
          ),
        ),
        TextField(
          controller: textController,
          onTap: () async {
            DateTime date = DateTime(1900);
            //FocusScope.of(context).requestFocus(new FocusNode());

            date = await showDatePicker(
                context: context,
                initialDate: DateTime.now(),
                firstDate: DateTime(1900),
                lastDate: DateTime.now());

            var formatter = new DateFormat('dd MMM yyyy');
            var formatterToPost = new DateFormat('yyyy-MM-dd');
            String formatted …