我试图更改导航栏在导航页面中的背景颜色,我使用以下代码:
using System;
using System;
using Xamarin.Forms;
using System.Collections.Generic;
using System.Text;
using System.Linq;
using System.Threading.Tasks;
namespace P
{
public class App : Application
{
public App ()
{
MainPage = new NavigationPage(new LoginPage());
}
protected override void OnStart ()
{
}
protected override void OnSleep ()
{
}
protected override void OnResume ()
{
// Handle when your app resumes
}
}
}
我该如何做到这一点?