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.

Apple

Direct Manipulation

Apple Human Interface Guidelines

Apple design principles

Design

Apple

Guidelines

iOS

Human interface

Torsten Caspar

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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.

Apple

Clarity · Negative space, color, fonts, graphics, and interface elements subtly highlight important content and convey interactivity.

Apple

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.

Apple

Deference · Minimal use of bezels, gradients, and drop shadows keep the interface light and airy, while ensuring that content is paramount.

Torsten Caspar

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.

Apple

Aesthetic integrity · It 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.

Apple

Aesthetic integrity · An immersive app, such as a game, can deliver a captivating appearance that promises fun and excitement, while encouraging discovery.

Torsten Caspar

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.

Apple

Feedback · It acknowledges actions and shows results to keep people informed. The built-in iOS apps provide perceptible feedback in response to every user action.

Apple

Feedback · 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.

Apple

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.

Torsten Caspar

Metaphors · They 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.

Torsten Caspar

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.

Apple

User Control · 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.

Apple

Dont hire anyone you wouldnt want to run into in the hallway at three in the morning.

Tina Fey

It doesn't upset artists to find out that artists used lenses or mirrors or other aids, but it certainly does upset the art historians.

Chuck Close

I always believed no matter where you are, as long as you're doing what you love doing, you're going to be happy.

Roberto Alomar

Robotics are beginning to cross that line from absolutely primitive motion to motion that resembles animal or human behavior.

J. J. Abrams

The person who is brutally honest enjoys the brutality quite as much as the honesty. Possibly more.

Richard J. Needham

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Julius Erving

The real difference between the United States and other nations lies not in the words of the preamble to the Constitution, but in the fact that the substantive clauses of that Constitution are enforced by individuals independent of and not beholden to the elected branches.

Harold H. Greene

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Hayley Williams

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Damien Hirst

Change is always a little bit strange.

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Arthur Bridges

The voice so sweet, the words so fair, As some soft chime had stroked the air; And though the sound had parted thence, Still left an echo in the sense.

Ben Jonson

Kindnesses are easily forgotten; but injuries! what worthy man does not keep those in mind?

William Makepeace Thackeray

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Ron DeSantis

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Ed Harris

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Noam Chomsky

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Arthur Smith

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Tadao Ando

I'm just a regular Joe.

Katherine Dunn

No matter how short or long your journey to your accomplishment is, if you don't begin you can't get there. Beginning is difficult, but unavoidable!

Israelmore Ayivor

I live and love in God's peculiar light.

Michelangelo

I thought it completely absurd to mention my name in the same breath as the presidency.

Dwight D. Eisenhower

The drug addict loses the sense of dignity responsibility self esteem and self respect and he forgets how to live like a human being.

Dr T.P.Chia

I was playing a Fender Telecaster when I first joined.

Lindsey Buckingham