The Life of a Button

WWDC 2018

Most important interaction

What Is a Button Anyway?

• Buttons are indirect controllers of action
• Direct interaction is often preferable
• Physical buttons are indirect

Perceived Affordance

During: Feedback

• Let people know what your app is doing
• Tell-text explanations, icons
• Show-experience visual, audio, haptic change over time

This helps up know that a button is enabled and that it can work

After: Feedback

Why Care Sound design??

50% of the experience of a movie is determined by 
what we hear by its music and sound design.

• Sound is everywhere
• Sound is useful
• Sound shapes experiences
• Sound helps define your brand👍

To click or Not to Click?

• Category
• Audience
• Context

Deconstructing the Process

• What makes a sound?
• Is the sound helpful?
• How can we use this?

Timbre

• Material
• Shape
• Excitation

Frequency

• High
• Low

Duration

Loudness

Building Blocks

• Timbre
• Frequency
• Duration
• Loudness