In Autolayout: Establish a minimum distance between view1 and top border of superview. Establish fixed (minimum) distance between view1 and bottom border of superview. Leave out these minimum distances for view2. solved how to use autoresizing and autolayout and change its default behaviour? [closed]
Simple remove self.myView.hidden = YES; To add you click listener, two solution: By code in your viewDidLoad: – (void)viewDidLoad { [super viewDidLoad]; [mybutton addTarget:self action:@selector(myButtonClick:) forControlEvents:(UIControlEvents)UIControlEventTouchDown]; } – (void)myButtonClick:(id)sender { myButton.hidden = YES; } Or via interface Builder (preferred), The easiest way is to actually define the handler/action in Xcode using the IBAction declaration in … Read more
To add a view controller to another view controller, you can do the following: Inside the parent view controller class: addChildViewController(someViewController) view.addSubview(someViewController.view) someViewController.didMove(toParentViewController: self) someViewController.view.translatesAutoresizingMaskIntoConstraints = false Then, set the layout constraints to position the view controller: NSLayoutConstraint.activate([ someViewController.view.leadingAnchor .constraint(equalTo: view.leadingAnchor ), someViewController.view.trailingAnchor.constraint(equalTo: view.trailingAnchor), someViewController.view.bottomAnchor .constraint(equalTo: view.bottomAnchor ), someViewController.view.topAnchor .constraint(equalTo: view.topAnchor ) ]) view.layoutIfNeeded() 2 … Read more
For this you need to import Quartz framework. You can also set Bordercolor, shadow color, corner width, etc to that view. #import <QuartzCore/QuartzCore.h> And try this code. [self.YourView.layer setCornerRadius:1.0]; [self.YourView.layer setBorderColor:[[[UIColor grayColor] colorWithAlphaComponent:0.5] CGColor]]; [self.YourView.layer setBorderWidth:1.0]; [self.YourView.layer setShadowColor:[UIColor lightGrayColor].CGColor]; 2 solved How to make Custom UIview which have rounded cornes, in iphone? [closed]
Declare your method in your Interface @interface AVView : UIView – (UIView *) buildBestView; @end Use that in the other class AVView *avView = [[AVView alloc] initWithFrame:CGRectMake:(0,0, 100, 100)]; [avView buildBestView]; 3 solved Creating a subclass of UIView [closed]
Nope, A is the superview of B, and B is the superview of C viewA.addSubview(viewB) viewB.addSubview(viewC) 1 solved What exactly is a superview?
When you need a communication between UIView instance and UIViewController, there are a few known iOS concepts, which you should adhere to. As you have figured out that UIView cannot really present a new controller (missing either presetViewController:animated:completion methods or navigationController property, which are both present in UIViewController). Views are supposed to be the most … Read more
You cant change the class type at runtime. Alternatively you can set your control to stop handling user interactions: self.userInteractionEnabled = NO; 1 solved Changing UIView To be instance from UIControl Programmatically [closed]
You need to implement protocol method for custom UIView class. For example; #import <UIKit/UIKit.h> @protocol YourCustomViewDelegate <NSObject> – (void)buttonTapped; @end @interface YourCustomView : UIView @property (nonatomic, strong) id< YourCustomViewDelegate > delegate; @end And the .m file you can call buttonTapped delegate method. – (void)myCustomClassButtonTapped:(id)sender { [self.delegate buttonTapped]; } For proper work; set your custom view … Read more
Here’s how you can resize the image while preserving its aspect ratio. The code below is from a category for UIImage: + (UIImage*)imageWithImage:(UIImage *)image scaledToSize:(CGSize)newSize { float heightToWidthRatio = image.size.height / image.size.width; float scaleFactor = 1; if(heightToWidthRatio > 0) { scaleFactor = newSize.height / image.size.height; } else { scaleFactor = newSize.width / image.size.width; } CGSize … Read more
Apple’s documentation is a rather rich source of information – most of the time. The UIViewclass reference notes a method that informs the system that a view needs to be redrawn: setNeedDisplay Something you should have been aware by browsing the documentation for a couple of seconds. solved What’s the analogue of the display method … Read more
Well, part of the problem is that this is illegal: [UIViewControllers1.view addSubview:UIViewControllers2.view]; You must never just wantonly add one view controller’s view to another view controller’s view. There is only one way in which that is allowed outside of a built-in parent-child structure that does it for you (UINavigationController, UITabBafController, UIPageViewController), and that is when … Read more
Well you could create a custom UIView and overwrite it’s drawRect method to draw the circle. The drawRect method would then look like this: – (void)drawRect:(CGRect)rect { CGContextRef ctx = UIGraphicsGetCurrentContext(); CGContextSetFillColorWithColor(ctx, [[UIColor redColor] CGColor]); CGContextFillEllipseInRect(ctx, self.bounds); } Don’t forget to set the views background color to the clear color. To handle the movement, add … Read more