iphone iOS screen, navigation bar, status bar height

1. App size, remove status bar

CGRect r = [UIScreen mainscreen].applicationframe;

r=0,20,320,460

2. Screen size

CGRect rx = [UIScreen mainscreen].bounds;

r=0,0,320,480

3. Status bar Size

CGRect rect;  

When there is a navigation bar, the height of the navigation bar is 44, then the height of the entire view is 320-44-the height of the status bar

4. How to get screen resolution in iphone

CGRect rect == = = Size.Height;

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Also, when designing the UI, pay attention to the user's smallest touch area. There are 2 ways to say

44*44 seems to be from the SDK.

64*64 from Standford Handouts

iphone iOS screen, navigation bar, status bar height