iOS图标大小设置

App Icon Sizes
Every app must supply both small and large app icons. The small icons are used on the Home screen and throughout the system once your app is installed. The large icon is used by the App Store.

Device or context Icon size
iPhone 180px × 180px (60pt × 60pt @3x)
120px × 120px (60pt × 60pt @2x)
iPad Pro 167px × 167px (83.5pt × 83.5pt @2x)
iPad, iPad mini 152px × 152px (76pt × 76pt @2x)
App Store 1024px × 1024px
Provide different sized small icons for different devices. Make sure that your app icon looks great on all the devices you support.

Mimic your small app icon with your large app icon. Although the large icon is used differently than the small one, it’s still your app icon. It should generally match the smaller version in appearance, although it can be subtly richer and more detailed since there are no visual effects applied to it.

Spotlight, Settings, and Notification Icons
Every app should also provide a small icon that iOS can display when the app name matches a term in a Spotlight search. Additionally, apps with settings should provide a small icon to display in the built-in Settings app, and apps that support notifications should provide a small icon to display in notifications. All icons should clearly identify your app—ideally, they should match your app icon. If you don’t provide these icons, iOS might shrink your main app icon for display in these locations.

Device Spotlight icon size
iPhone 120px × 120px (40pt × 40pt @3x)
80px × 80px (40pt × 40pt @2x)
iPad Pro, iPad, iPad mini 80px × 80px (40pt × 40pt @2x)

Device Settings icon size
iPhone 87px × 87px (29pt × 29pt @3x)
58px × 58px (29pt × 29pt @2x)
iPad Pro, iPad, iPad mini 58px × 58px (29pt × 29pt @2x)

Device Notification icon size
iPhone 60px × 60px (20pt × 20pt @3x)
40px × 40px (20pt × 20pt @2x)
iPad Pro, iPad, iPad mini 40px × 40px (20pt × 20pt @2x)
Don’t add an overlay or border to your Settings icon. iOS automatically adds a 1-pixel stroke to all icons so that they look good on the white background of Settings.

TIP
If your app creates custom documents, you don't need to design document icons because iOS uses your app icon to create document icons automatically.

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