IPhone IOS screen, statusbar, status bar, label bar size, height

APP size, remove the status bar

Cgrect r = [uiscreen mainscreen]. applicationframe;

R = 320,460

Screen Size

Cgrect RX = [uiscreen mainscreen]. bounds;

R = 320,480

Status Bar size

CGRect rect;rect = [[UIApplication sharedApplication] statusBarFrame];

How to obtain screen resolution in iPhone

Cgrect rect = [[uiscreen mainscreen] bounds];
Cgsize size = rect. size;
Cgfloat width = size. width;
Cgfloat Height = size. height;

In addition, pay attention to the minimum touch area when designing the UI. There are two arguments:

44*44 seems to be from the SDK

64*64 from Standford Handouts

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