[![在此处输入图像说明] [1]] [1]这是MainPage,其中包含一个包含4个barItems的导航栏。
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
Title="CheckList"
x:Class="mmy.View.MainPage">
<ContentPage.ToolbarItems>
<ToolbarItem Name="MenuItem1" Order="Primary" Icon="itemIcon1.png" Priority="0" />
<ToolbarItem Name="MenuItem2" Order="Primary" Icon="itemIcon2.png" Priority="1" />
<ToolbarItem Name="MenuItem1" Order="Primary" Icon="itemIcon3.png" Priority="2" />
<ToolbarItem Name="MenuItem2" Order="Primary" Icon="itemIcon4.png" Priority="3" />
</ContentPage.ToolbarItems>
<ContentPage.Content>
<StackLayout Orientation="Vertical">
<Label Text="MainPage"/>
</StackLayout>
</ContentPage.Content>
</ContentPage>
The Navigation Bar will look like below:
-------------------------------------------------------
Main barItem1 | barItem2 | barItem3 | barItem4
-------------------------------------------------------
Item1_Content
说,导航栏中有4个条形项目
我想做以下事情:
a)它将引入一个Item2_Content,它将取代Item1_Content。 (我不确定有这样的UI)
b)barItem(1到4)仍保留在导航栏中。
这可行吗?
您能帮我解决一下如何实现这样的用户需求吗?
由于
更新
- (1) - 从P1开始:
private async void BtnLogin_Clicked(object sender, EventArgs e)
{
NavigationPage NP = new NavigationPage(new MainPage())
{
BarBackgroundColor = Color.White,
BarTextColor = Color.DarkGray
};
}
- (2)我为(3)
- (3)在MainPage:它有一个导航栏(1)
单击Icon =&#34; itemIcon1.png&#34;
<ToolbarItem Name="MenuItem1" Order="Primary" Icon="itemIcon1.png" Command="Item1Command" Priority="0" />
Code Behind :
[XamlCompilation(XamlCompilationOptions.Compile)]
public partial class MainPage : ContentPage
{
public ICommand Item1Command { get; private set; }
public MainPage()
{
InitializeComponent();
this.Item1Command = new Command((sender) =>
{
Navigation.PushAsync(new RepairSvc());
});
}
}
答案 0 :(得分:0)
将命令分配给工具栏
<ToolbarItem Name="MenuItem1" Order="Primary" Icon="itemIcon1.png" Priority="0" Command="Item1Command" />
在你的代码隐藏中
this.Item1Command = new Command((sender) =>
{
Navigation.PushAsync(new MyPage());
});
}
public ICommand Item1Command { get; private set; }