Xamarin.Forms NavigationPage流
示例
using System;
using Xamarin.Forms;
namespace NavigationApp
{
public class App : Application
{
public App()
{
MainPage = new NavigationPage(new FirstPage());
}
}
public class FirstPage : ContentPage
{
Label FirstPageLabel { get; set; } = new Label();
Button FirstPageButton { get; set; } = new Button();
public FirstPage()
{
Title = "First page";
FirstPageLabel.Text= "This is the first page";
FirstPageButton.Text= "Navigate to the second page";
FirstPageButton.Clicked+= OnFirstPageButtonClicked;
var content = new StackLayout();
content.Children.Add(FirstPageLabel);
content.Children.Add(FirstPageButton);
Content = content;
}
async void OnFirstPageButtonClicked(object sender, EventArgs e)
{
await Navigation.PushAsync(new SecondPage(), true);
}
}
public class SecondPage : ContentPage
{
Label SecondPageLabel { get; set; } = new Label();
public SecondPage()
{
Title = "Second page";
SecondPageLabel.Text= "This is the second page";
Content = SecondPageLabel;
}
}
}
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