隐藏标题选项卡式导航页Xamarin / FreshMvvm

Question

我正在努力隐藏TabbedNavigation页面的标题。

    public class NavigationContainerNames
{
    public const string AuthenticationContainer = "AuthenticationContainer";
    public const string MainContainer = "MainContainer";
}

public partial class App : Xamarin.Forms.Application
{
    public App()
    {
        InitializeComponent();

        var maintTabNav = new FreshTabbedFONavigationContainer("Aerogrow", NavigationContainerNames.MainContainer);
        maintTabNav.FirstTabbedPage.On<Xamarin.Forms.PlatformConfiguration.Android>().SetToolbarPlacement(ToolbarPlacement.Bottom);

        maintTabNav.AddTab<AerogrowPageModel>("Aerogrow", "");
        maintTabNav.AddTab<ControlsPageModel>("Controls", "");
        maintTabNav.AddTab<AccountPageModel>("Account", "");

        var LoginPage = FreshPageModelResolver.ResolvePageModel<RegisterPageModel>();
        var LoginNav = new FreshNavigationContainer(LoginPage, NavigationContainerNames.AuthenticationContainer);

        if (DataHelpers.DataBaseHelpers.GetCurrentUser() != null)
            MainPage = maintTabNav;
        else
            MainPage = LoginNav;
    }

我创建了FreshTabbed导航页面并在其中添加了子页面，但是在每个无法隐藏的选项卡中都有一个公共标题（带有“ Aerogrow”字样）。

如果有人知道如何隐藏它，请:)

注意：我试图隐藏低谷的XAML，但它不起作用

NavigationPage.HasNavigationBar="false"

Answer 1

通过以下方式隐藏第一个选项卡式页面的导航栏：

var maintTabNav = new FreshTabbedFONavigationContainer("Aerogrow", NavigationContainerNames.MainContainer);
maintTabNav.FirstTabbedPage.On<Xamarin.Forms.PlatformConfiguration.Android>().SetToolbarPlacement(ToolbarPlacement.Bottom);
NavigationPage.SetHasNavigationBar(maintTabNav.FirstTabbedPage, false);

如果您不想在每个页面上看到导航栏，请使您的页面继承自基本页面。然后在基础页面中设置属性：

public class BasePage : ContentPage
{
    public BasePage()
    {
        NavigationPage.SetHasNavigationBar(this, false);
    }
}

Answer 2

使用容器 FreshTabbedNavigationContainer 代替FreshTabbedFONavigationContainer：

var maintTabNav = new FreshTabbedNavigationContainer(NavigationContainerNames.MainContainer);
maintTabNav.On<Xamarin.Forms.PlatformConfiguration.Android>().SetToolbarPlacement(ToolbarPlacement.Bottom);

在标签页中保留NavigationPage.HasNavigationBar =“ False”：

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             x:Class="App1.ControlsPage"
             NavigationPage.HasNavigationBar="False">
    <ContentPage.Content>
        <StackLayout>
            <Label Text="Welcome to Xamarin.Forms!"
                VerticalOptions="CenterAndExpand" 
                HorizontalOptions="CenterAndExpand" />
        </StackLayout>
    </ContentPage.Content>
</ContentPage>