IOS7 UIPickerView how to hide the selection indicator
[[pickerview.subviews objectAtIndex:1] setHidden:TRUE]; [[pickerview.subviews objectAtIndex:2] setHidden:TRUE]; Use this in titleForRow or viewForRow delegate method of the pickerView.
uiview
How to get the color of a pixel in an UIView?
Here is more efficient solution: // UIView+ColorOfPoint.h @interface UIView (ColorOfPoint) – (UIColor *) colorOfPoint:(CGPoint)point; @end // UIView+ColorOfPoint.m #import “UIView+ColorOfPoint.h” #import <QuartzCore/QuartzCore.h> @implementation UIView (ColorOfPoint) – (UIColor *) colorOfPoint:(CGPoint)point { unsigned char pixel[4] = {0}; CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB(); CGContextRef context = CGBitmapContextCreate(pixel, 1, 1, 8, 4, colorSpace, kCGBitmapAlphaInfoMask & kCGImageAlphaPremultipliedLast); CGContextTranslateCTM(context, -point.x, -point.y); [self.layer renderInContext:context]; … Read more
How to do the flip animation between two UIViewControllers while clicking info button?
To flip into a view controller: viewController.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal; [self presentViewController:viewController animated:YES completion:nil]; To flip out of it: [self dismissViewControllerAnimated:YES completion:nil];
UIGestureRecognizer receive touch but forward it to UIControl as well
Have you tried with this? cancelsTouchesInView A Boolean value affecting whether touches are delivered to a view when a gesture is recognized. @property(nonatomic) BOOL cancelsTouchesInView
How do I setup nested views in AngularJS?
AngularJS ui-router solved my issues 🙂
Xcode 7 what is the view “semantic” storyboard setting?
There is a new internationalization support in iOS 9, which enables flipping of the interface from left to right and vice versa depending on the current system language. You can choose Arabic language to test it. Arabic is read from right to left, so the interface is flipped. Here you can read the Apple’s guide … Read more
Having trouble getting UIView sizeToFit to do anything meaningful
The documentation is pretty clear on this. -sizeToFit pretty much calls -sizeThatFits: (probably with the view’s current size as the argument), and the default implementation of -sizeThatFits: does almost nothing (it just returns its argument). Some UIView subclasses override -sizeThatFits: to do something more useful (e.g. UILabel). If you want any other functionality (such as … Read more
“Incorrect” frame / window size after re-orientation in iPhone
The orientation of your device changed, not the physical characteristics of the screen. You basically tipped it on its side, but in reality it is 320 pixels wide (20 of which are not available to you at the moment since the status bar is showing) and 480 pixels tall. If your view is auto-rotating, then … Read more
iOS: UIView subclass init or initWithFrame:?
The designated initializer is the one that all the other initializers must call. UIView and subclasses are a little unusual in that they’ve actually got two such initializers: -initWithFrame: and -initWithCoder:, depending on how the view is created. You should override -initWithFrame: if you’re instantiating the view in code, and -initWithCoder: if you’re loading it … Read more
iPhone – Draw transparent rectangle on UIView to reveal view beneath
You have to override the top view’s drawRect method. So, for example, you might create a HoleyView class that derives from UIView (you can do that by adding a new file to your project, selecting Objective-C subclass, and setting “Subclass of” to UIView). In HoleyView, drawRect would look something like this: – (void)drawRect:(CGRect)rect { // … Read more