iPhone 4 Retina“苹果触摸启动图像”对于网络应用程序

发布于 2024-09-25 02:28:52 字数 305 浏览 2 评论 0原文

这个问题已经在这里被问过多次，但没有一个可靠且可以理解的答案。这是一个网络应用程序，而不是本机应用程序。

我正在使用：

<link rel="apple-touch-startup-image" href="images/startup.png" />

显示启动图像。如果图像的分辨率为 320x460，则加载效果良好。我尝试使用视网膜的分辨率为 640x920（状态栏去掉了 40px），但没有成功。我尝试过@2x，但也失败了。

[还]有可能吗？

原文

This has been asked multiple times here, but without a solid and understandable answer. This is a web-app, not a native-app.

I'm using:

<link rel="apple-touch-startup-image" href="images/startup.png" />

to display the startup image. It loads fine if the image's resolution is 320x460. I tried using the retina's resolution which is 640x920 (40px are taken out by the status bar), that didn't work. I've tried the @2x thing, that failed too.

Is it even possible [yet]?

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心房的律动 2024-10-02 02:28:52

这将为您的 Web 应用程序添加一个启动屏幕。以下是 iPad 和 iPhone/iPod Touch 所需的尺寸，其中也包括状态栏区域。

    <!-- iPhone -->
    <link href="http://www.example.com/mobile/images/apple-startup-iPhone.jpg" media="(device-width: 320px) and (device-height: 480px) and (-webkit-device-pixel-ratio: 1)" rel="apple-touch-startup-image">

    <!-- iPhone (Retina) -->
    <link href="http://www.example.com/mobile/images/apple-startup-iPhone-RETINA.jpg" media="(device-width: 320px) and (device-height: 480px) and (-webkit-device-pixel-ratio: 2)" rel="apple-touch-startup-image">

    <!-- iPhone 5 -->
    <link href="http://www.example.com/mobile/images/apple-startup-iPhone-Tall-RETINA.jpg"  media="(device-width: 320px) and (device-height: 568px) and (-webkit-device-pixel-ratio: 2)" rel="apple-touch-startup-image">

    <!-- iPad Portrait -->
    <link href="http://www.example.com/mobile/images/apple-startup-iPad-Portrait.jpg" media="(device-width: 768px) and (device-height: 1024px) and (orientation: portrait) and (-webkit-device-pixel-ratio: 1)" rel="apple-touch-startup-image">

    <!-- iPad Landscape -->
    <link href="http://www.example.com/mobile/images/apple-startup-iPad-Landscape.jpg" media="(device-width: 768px) and (device-height: 1024px) and (orientation: landscape) and (-webkit-device-pixel-ratio: 1)" rel="apple-touch-startup-image">

    <!-- iPad Portrait (Retina) -->
    <link href="http://www.example.com/mobile/images/apple-startup-iPad-RETINA-Portrait.jpg" media="(device-width: 768px) and (device-height: 1024px) and (orientation: portrait) and (-webkit-device-pixel-ratio: 2)" rel="apple-touch-startup-image">

    <!-- iPad Landscape (Retina) -->
    <link href="http://www.example.com/mobile/images/apple-startup-iPad-RETINA-Landscape.jpg" media="(device-width: 768px) and (device-height: 1024px) and (orientation: landscape) and (-webkit-device-pixel-ratio: 2)" rel="apple-touch-startup-image">

如果创建与 iPad 兼容的 Web 应用程序，建议同时使用横向和纵向尺寸。

This will add a Splash Screen to your Web App. Below are the sizes you’ll need for both iPad and iPhone/iPod Touch, these include the status bar area as well.

    <!-- iPhone -->
    <link href="http://www.example.com/mobile/images/apple-startup-iPhone.jpg" media="(device-width: 320px) and (device-height: 480px) and (-webkit-device-pixel-ratio: 1)" rel="apple-touch-startup-image">

    <!-- iPhone (Retina) -->
    <link href="http://www.example.com/mobile/images/apple-startup-iPhone-RETINA.jpg" media="(device-width: 320px) and (device-height: 480px) and (-webkit-device-pixel-ratio: 2)" rel="apple-touch-startup-image">

    <!-- iPhone 5 -->
    <link href="http://www.example.com/mobile/images/apple-startup-iPhone-Tall-RETINA.jpg"  media="(device-width: 320px) and (device-height: 568px) and (-webkit-device-pixel-ratio: 2)" rel="apple-touch-startup-image">

    <!-- iPad Portrait -->
    <link href="http://www.example.com/mobile/images/apple-startup-iPad-Portrait.jpg" media="(device-width: 768px) and (device-height: 1024px) and (orientation: portrait) and (-webkit-device-pixel-ratio: 1)" rel="apple-touch-startup-image">

    <!-- iPad Landscape -->
    <link href="http://www.example.com/mobile/images/apple-startup-iPad-Landscape.jpg" media="(device-width: 768px) and (device-height: 1024px) and (orientation: landscape) and (-webkit-device-pixel-ratio: 1)" rel="apple-touch-startup-image">

    <!-- iPad Portrait (Retina) -->
    <link href="http://www.example.com/mobile/images/apple-startup-iPad-RETINA-Portrait.jpg" media="(device-width: 768px) and (device-height: 1024px) and (orientation: portrait) and (-webkit-device-pixel-ratio: 2)" rel="apple-touch-startup-image">

    <!-- iPad Landscape (Retina) -->
    <link href="http://www.example.com/mobile/images/apple-startup-iPad-RETINA-Landscape.jpg" media="(device-width: 768px) and (device-height: 1024px) and (orientation: landscape) and (-webkit-device-pixel-ratio: 2)" rel="apple-touch-startup-image">

If creating a Web App for iPad compatibility it’s recommended that both Landscape and Portrait sizes are used.

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戈亓 2024-10-02 02:28:52

文档（找到此处）说：

在 iPhone 和 iPod touch 上，图像必须为 320 x 460 像素且为纵向。

我已经测试过提供不同的尺寸，但如果尺寸不完全是 320x460，则图像将被忽略。苹果没有明确声明是否可以包含高分辨率启动图像，但论坛帖子（例如此处：Apple Dev Forum）表明目前不可能。

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反话 2024-10-02 02:28:52

刚刚做了测试...苹果添加了“尺寸”属性。因此，对于高分辨率，您可以添加size =“640x920”等。我想这也适用于不同的方向。

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一笑百媚生 2024-10-02 02:28:52

这对我有用：

<link rel="apple-touch-startup-image" media="screen and (max-device-width: 320px)" href="images/iphone_splash.png"/>
<link rel="apple-touch-startup-image" media="(max-device-width: 480px) and (-webkit-min-device-pixel-ratio: 2)" href="images/iphone_splash_hires.png" />

This works for me:

<link rel="apple-touch-startup-image" media="screen and (max-device-width: 320px)" href="images/iphone_splash.png"/>
<link rel="apple-touch-startup-image" media="(max-device-width: 480px) and (-webkit-min-device-pixel-ratio: 2)" href="images/iphone_splash_hires.png" />

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