获取有关设计与Apple平台无缝集成的出色应用程序的深入信息和UI资源。
iOS Design Themes
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As an app designer, you have the opportunity to deliver an extraordinary product that rises to the top of the App Store charts. To do so, you'll need to meet high expectations for quality and functionality.
作为应用程序设计师，您有机会提供非凡的产品，该产品升至App Store榜首。为此，您需要在质量和功能上达到很高的期望。
Three primary themes differentiate iOS from other platforms:
iOS与其他平台的三个主要主题不同：
Clarity. Throughout the system, text is legible at every size, icons are precise and lucid, adornments are subtle and appropriate, and a sharpened focus on functionality motivates the design. Negative space, color, fonts, graphics, and interface elements subtly highlight important content and convey interactivity.
明晰。 在整个系统中，各种大小的文字都清晰易读，图标精确而清晰，装饰物微妙而恰当，对功能的高度关注激发了设计的灵感。 负空间，颜色，字体，图形和界面元素巧妙地突出了重要内容并传达了交互性。
Deference. Fluid motion and a crisp, beautiful interface help people understand and interact with content while never competing with it. Content typically fills the entire screen, while translucency and blurring often hint at more. Minimal use of bezels, gradients, and drop shadows keep the interface light and airy, while ensuring that content is paramount.
尊敬 流畅的动作和清晰美观的界面可帮助人们理解内容并与之互动，而从未与之竞争。内容通常会填满整个屏幕，而半透明和模糊通常会暗示更多内容。最少使用边框，渐变色和阴影可以保持界面明亮通风，同时确保内容至关重要。
Depth. Distinct visual layers and realistic motion convey hierarchy, impart vitality, and facilitate understanding. Touch and discoverability heighten delight and enable access to functionality and additional content without losing context. Transitions provide a sense of depth as you navigate through content.
深度。 独特的视觉层和逼真的动作传达了层次感，赋予了生命力并促进了理解。 触摸和可发现性增强了人们的愉悦感，使他们能够访问功能和其他内容而不会丢失上下文。 当您浏览内容时，过渡提供了深度感。
Design Principles
To maximize impact and reach, keep the following principles in mind as you imagine your app’s identity.
为了最大程度地提高影响力和影响力，请在想象应用程序的身份时牢记以下原则。
Aesthetic Integrity
Aesthetic integrity represents how well an app’s appearance and behavior integrate with its function. For example, an app that helps people perform a serious task can keep them focused by using subtle, unobtrusive graphics, standard controls, and predictable behaviors. On the other hand, an immersive app, such as a game, can deliver a captivating appearance that promises fun and excitement, while encouraging discovery.
审美完整性
审美完整性表示应用程序的外观和行为与其功能的集成程度。例如，一个可以帮助人们执行重要任务的应用程序可以通过使用微妙，醒目的图形，标准控件和可预测的行为来使他们专注。另一方面，沉浸式应用程序（例如游戏）可以提供引人入胜的外观，带来乐趣和刺激，同时鼓励发现。
Consistency
A consistent app implements familiar standards and paradigms by using system-provided interface elements, well-known icons, standard text styles, and uniform terminology. The app incorporates features and behaviors in ways people expect.
一致性
一致的应用程序通过使用系统提供的界面元素，知名的图标，标准的文本样式和统一的术语来实现熟悉的标准和范例。该应用程序以人们期望的方式结合了功能和行为。
Direct Manipulation
The direct manipulation of onscreen content engages people and facilitates understanding. Users experience direct manipulation when they rotate the device or use gestures to affect onscreen content. Through direct manipulation, they can see the immediate, visible results of their actions.
直接手动操作
屏幕内容的直接手动操作可以吸引人们并促进理解。用户在旋转设备或使用手势影响屏幕上的内容时会经历直接的手动操纵。通过直接手动操作，他们可以看到其操作的直接可见结果。
Feedback
Feedback acknowledges actions and shows results to keep people informed. The built-in iOS apps provide perceptible feedback in response to every user action. Interactive elements are highlighted briefly when tapped, progress indicators communicate the status of long-running operations, and animation and sound help clarify the results of actions.
反馈
反馈确认行动并显示结果以使人们保持了解情况。内置的iOS应用程序可针对每个用户操作提供可感知的反馈。轻触时，交互元素将突出显示，进度指示器传达长时间运行的操作的状态，动画和声音有助于阐明操作的结果。
Metaphors
People learn more quickly when an app’s virtual objects and actions are metaphors for familiar experiences—whether rooted in the real or digital world. Metaphors work well in iOS because people physically interact with the screen. They move views out of the way to expose content beneath. They drag and swipe content. They toggle switches, move sliders, and scroll through picker values. They even flick through pages of books and magazines.
隐喻
当应用程序的虚拟对象和动作是扎根于真实或数字世界的隐喻时，人们会更快地学习。隐喻在iOS中可以很好地工作，因为人们可以与屏幕进行物理交互。他们将视图移开以显露隐藏在下面的内容。他们拖动和滑动内容。他们切换开关，移动滑块并滚动选择器值。他们甚至浏览书籍和杂志的页面。
User Control
Throughout iOS, people—not apps—are in control. An app can suggest a course of action or warn about dangerous consequences, but it’s usually a mistake for the app to take over the decision-making. The best apps find the correct balance between enabling users and avoiding unwanted outcomes. An app can make people feel like they’re in control by keeping interactive elements familiar and predictable, confirming destructive actions, and making it easy to cancel operations, even when they’re already underway.
用户控制
在整个iOS中，人们（而不是应用程序）处于控制之中。应用程序可以建议采取行动或警告危险后果，但通常由应用程序接管决策是错误的。最好的应用可以在使用户受益与避免不必要的结果之间找到适当的平衡。应用程序可以通过人们熟悉和可预测的交互元素，确认破坏性的动作，并使其很容易取消操作（即使他们已经在进行中），从而使人们感到自己处于控制之下。