Xamarin形成所有页面的背景图像 [英] Xamarin forms background image for all Pages

问题描述

是否可以将图像设置为应用程序中所有页面的背景(对于所有平台IOS，Android和WP)?

It´s possible to set an image to be the background of all Pages on my application (for all platforms IOS, Android and WP) ?

页面具有BackgroundImage属性，因此我可以创建基本页面，设置背景并使我的所有页面都从该页面扩展.

Page has a BackgroundImage property, so I can create a base page, set the background and make all my pages extends from it.

我想知道是否有更合适的解决方案来解决这个问题.

I want to know if there is a more appropriate solution, to handle this.

推荐答案

您可以使用

You could use Styles in your App.cs :

public App ()
{
  Application.Current.Resources.Add(new Xamarin.Forms.Style(typeof(Page)){
                Setters = {
                    new Xamarin.Forms.Setter { Property = Page.BackgroundImageProperty, Value = "back.png"},
                }
            });
}

不太受欢迎或不建议使用，但为了显示其他选项，您可以将事件处理程序附加到NavigationPage并从那里设置背景:

much less preferred or advised but for the sake of showing another option you could attach an event handler to your NavigationPages and set the background from there:

  yourRootNavigationPage.Pushed+= (sender, e) => e.Page.BackgroundImage = "back.png";

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