iOS 设计原则

总结的一些 Photoshop 设计 iOS 应用的原则,还有一些资源和工具。
设计原则
- Photoshop design document is 72ppi all the time and no color management
- Design for 1x, and scale up to 2x, no half pixel problem
- Photoshop object will be export as a image, should be build with large size and convert to smart object, so resize to fit with screen, then add layer style and other generated effects
- Photoshop save for web with the PNG-24 format
- No need to use ImageOptim
- Font size should not below 13px
- 44pt minimum touch size
- Set Global Light to 90°/-90°. Sets the light source used for Layer Styles to directly above
- Resize button with pen tool
资源和工具
- Colour management and UI design
- The iOS Design Guidelines
- iOS 8 GUI PSD
- The Ultimate Guide To iPhone Resolutions
- App Icon Template
- Retinize It
- Skala Preview
Sketch
我现在已经完全使用 Sketch 来做设计一年多的时间了,很多上面提到在用 Photoshop 做设计需要注意的原则和辅助工具,Sketch 都有内置的功能,使用起来效率更高,所以强烈推荐。