|
Description |
Size for iPhone and iPod touch(in pixels) |
Size for iPad (in pixels) |
|
Application icon (required) |
57 x 57 114 x 114 (high resolution) |
72 x 72 |
|
App Store icon (required) |
512 x 512 |
512 x 512 |
|
Small icon for Spotlight search results and Settings (recommended) |
29 x 29 58 x 58 (high resolution) |
50 x 50 for Spotlight search results 29 x 29 for Settings |
|
Document icon (recommended for custom document types) |
22 x 29 44 x 58 (high resolution) |
64 x 64 320 x 320 |
|
Web Clip icon (recommended for web applications and websites) |
57 x 57 114 x 114 (high resolution) |
72 x 72 |
|
Toolbar and navigation bar icon (optional) |
Approximately 20 x 20 Approximately 40 x 40 (high resolution) |
Approximately 20 x 20 |
|
Tab bar icon (optional) |
Approximately 30 x 30 Approximately 60 x 60 (high resolution) |
Approximately 30 x 30 |
|
Launch image (required) |
320 x 480 640 x 960 (high resolution) |
For Portrait: 768 x 1004 For landscape: 1024 x 748 |
Note: For all images and icons, the PNG format is recommended.
The standard bit depth for icons and images is 24 bits (8 bits each for red, green, and blue), plus an 8-bit alpha channel.
You do not need to constrain your palette to web-safe colors. Although you can use alpha transparency in the icons you create for navigation bars, toolbars, and tab bars, do not use it in application icons.
출처: Apple iOS Human Interface Guidelines
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