Flutter:手机底部的导航栏隐藏了内容

时间:2020-10-16 16:49:35

标签: flutter dart flutter-layout screen-orientation

在我的注册屏幕中,部分内容(位于底部)被手机底部的导航栏隐藏。仅当我关闭底部导航栏时,内容才可见。

我想要实现的是,每当底部导航栏显示在电话上时,我希望将其隐藏的内容向上推以提高可见度,并且每当导航栏从视线中移开时,我都希望该内容保持在是位置。

这是我的代码。

class Body extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return SizedBox(
      width: double.infinity,
      child: Padding(
        padding:
            EdgeInsets.symmetric(horizontal: getProportionateScreenWidth(20)),
        child: SingleChildScrollView(
          child: Column(
            children: [
              Text(
                "Register Account",
                style: headingStyle,
              ),
              Text(
                "Complete your details or continue \nwith social media.",
                textAlign: TextAlign.center,
              ),
              SizedBox(height: SizeConfig.screenHeight * 0.05), // 5%
              SignUpForm(),
              SizedBox(height: SizeConfig.screenHeight * 0.03), // 3%
              Row(mainAxisAlignment: MainAxisAlignment.center, children: [
                SocialCard(
                  icon: "assets/icons/google-icon.svg",
                  press: () {},
                ),
                SocialCard(
                  icon: "assets/icons/facebook-2.svg",
                  press: () {},
                ),
                SocialCard(
                  icon: "assets/icons/twitter.svg",
                  press: () {},
                )
              ]),
              SizedBox(height: getProportionateScreenHeight(15)),
              Text(                        <--- HIDDEN FROM VIEW
                "By continuing you confirm that you agree with our Term and Condition",  
                textAlign: TextAlign.center,
              )
            ],
          ),
        ),
      ),
    );
  }
}

// Get Screen Size
class SizeConfig {
  static MediaQueryData _mediaQueryData;
  static double screenWidth;
  static double screenHeight;
  static double defaultSize;
  static Orientation orientation;

  void init(BuildContext context) {
    _mediaQueryData = MediaQuery.of(context);
    screenWidth = _mediaQueryData.size.width;
    screenHeight = _mediaQueryData.size.height;
    orientation = _mediaQueryData.orientation;
  }
}

// Get the proportionate height as per screen size
double getProportionateScreenHeight(double inputHeight) {
  double screenHeight = SizeConfig.screenHeight;
  // 812 is the layout height that designer use
  return (inputHeight / 812.0) * screenHeight;
}

问题的外观 enter image description here

2 个答案:

答案 0 :(得分:0)

您可以尝试实施SafeArea,它可以解决此问题。此小部件充当具有此类无法访问内容的问题的电话的填充。最初最初是针对没有touchId的iPhone,但如果我没有记错的话,也可以在Android上解决此问题。

这是文档的链接:https://api.flutter.dev/flutter/widgets/SafeArea-class.html

您可以如下包装容器(也包括脚手架)或小部件:

SafeArea(
   minimum: const EdgeInsets.all(15.0),
   child: Text('Your Widget'),
)

在您的情况下,我可以通过以下方式将整个支架包装到SafeArea中:

SafeArea(
 child: Scaffold(
  ...
 )
)

答案 1 :(得分:0)

将整个小部件包装在SafeArea

这将确保放置额外的填充,以解决基于系统的入侵,例如状态栏,导航栏,槽口等。