ios - UIView drawRect issue -


i want make custom uiview border. here code: 

- (void)drawrect:(cgrect)rect {     cgcontextref context = uigraphicsgetcurrentcontext();     cgcontextsetlinewidth(context, 4.0);     cgcontextsetstrokecolorwithcolor(context, [[uicolor bluecolor] cgcolor]);     cgcontextaddrect(context, self.frame);     cgcontextstrokepath(context); }

and here result: enter image description here

all 3 uiview on picture custom view, big uiview have border. don't understand why others have no border. wrong?

you need local coordinates. change

cgcontextaddrect(context, self.frame);

to

cgcontextaddrect(context, self.bounds);

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