UIView has the properties frame, bounds, center, and origin, and they all seem to be interrelated. Most of the time, I deal with frame when setting the position and size of a UIView. I understand that frame is using global coordinate system and bounds is using coordinate of the local view (therefore its x and … Read more
Is there a built-in way to get from a UIView to its UIViewController? I know you can get from UIViewController to its UIView via [self view] but I was wondering if there is a reverse reference? 29 Answers 29
Is it possible to control UIView border properties (color, thickness, etc…) directly from interface builder or I can only do it programmatically? 9 Answers 9
I’m currently looking at a UILabel with the property addMessageLabel.layer.cornerRadius = 5.0f; On a device with iOS 7.0 installed, it has rounded corners. On a device with iOS 7.1 installed, it does not have rounded corners. Is this just a bug with iOS 7.1? 8 Answers 8
I’m looking to perform a perspective transform on a UIView (such as seen in coverflow) Does anyonew know if this is possible? I’ve investigated using CALayer and have run through all the pragmatic programmer Core Animation podcasts, but I’m still no clearer on how to create this kind of transform on an iPhone. Any help, … Read more
Could someone give a small example of applying the blur to an image? I’ve been trying to figure out the code for a while now 🙁 still new at obj c! The UIVisualEffectView provides a simple abstraction over complex visual effects. Depending on the desired effect, the results may affect content layered behind the view … Read more
I was in an (probably false) assumption that enabling the right margin indicator in xib is equivalent to using UIViewAutoresizingFlexibleLeftMargin inside code and so on. So, I used to think according to this snapshot: Later today I had to cross check, and stumbled upon this thread. And also the apple documentation, entitled with the section … Read more
If I have a UIButton arranged using autolayout, its size adjusts nicely to fit its content. If I set an image as button.image, the instrinsic size again seems to account for this. However, if I tweak the titleEdgeInsets of the button, the layout does not account for this and instead truncates the button title. How … Read more
The position of a UIView can obviously be determined by view.center or view.frame etc. but this only returns the position of the UIView in relation to it’s immediate superview. I need to determine the position of the UIView in the entire 320×480 co-ordinate system. For example, if the UIView is in a UITableViewCell it’s position … Read more
Can anyone tell me how I can mimic the bottom sheet in the new Apple Maps app in iOS 10? In Android, you can use a BottomSheet which mimics this behaviour, but I could not find anything like that for iOS. Is that a simple scroll view with a content inset, so that the search … Read more
