uibutton – Page 13 – Tarik Billa

Is it possible to change a UIButtons background color?

January 1, 2023 by Tarik

This can be done programmatically by making a replica: loginButton = [UIButton buttonWithType:UIButtonTypeCustom]; [loginButton setTitleColor:[UIColor blackColor] forState:UIControlStateNormal]; loginButton.backgroundColor = [UIColor whiteColor]; loginButton.layer.borderColor = [UIColor blackColor].CGColor; loginButton.layer.borderWidth = 0.5f; loginButton.layer.cornerRadius = 10.0f; edit: of course, you’d have to #import <QuartzCore/QuartzCore.h> edit: to all new readers, you should also consider a few options added as “another possibility”. … Read more

How do you add an action to a button programmatically in xcode

December 30, 2022 by Tarik

Try this: Swift 4 myButton.addTarget(self, action: #selector(myAction), for: .touchUpInside) Objective-C [myButton addTarget:self action:@selector(myAction) forControlEvents:UIControlEventTouchUpInside]; You can find a rich source of information in Apple’s Documentation. Have a look at the UIButton’s documentation, it will reveal that UIButton is a descendant of UIControl, which implements the method to add targets. — You’ll need to pay attention … Read more

scale Image in an UIButton to AspectFit?

December 30, 2022 by Tarik

I had the same problem. Just set the ContentMode of the ImageView that is inside the UIButton. [[self.itemImageButton imageView] setContentMode: UIViewContentModeScaleAspectFit]; [self.itemImageButton setImage:[UIImage imageNamed:stretchImage] forState:UIControlStateNormal];

Disable a Button

December 29, 2022 by Tarik

The boolean value for NO in Swift is false. button.isEnabled = false should do it. Here is the Swift documentation for UIControl‘s isEnabled property.

Swift – UIButton with two lines of text

December 28, 2022 by Tarik

There are two questions. I was wondering if it is possible to create a UIButton with two lines of text This is possible through using the storyboard or programmatically. Storyboard: Change the ‘Line Break Mode’ to Character Wrap or Word Wrap and use Alt/Option + Enter key to enter a new line in the UIButton’s … Read more

UIButton won’t go to Aspect Fit in iPhone

December 27, 2022 by Tarik

The solution is to set the contentMode on the imageView property of the UIButton. The UIButton has to be created with custom type for this to work I believe (otherwise nil is returned for this property).

Get position of UIView in respect to its superview’s superview

December 25, 2022 by Tarik

You can use this: Objective-C CGRect frame = [firstView convertRect:buttons.frame fromView:secondView]; Swift let frame = firstView.convert(buttons.frame, from:secondView) Documentation reference: https://developer.apple.com/documentation/uikit/uiview/1622498-convert

Attach parameter to button.addTarget action in Swift

December 18, 2022 by Tarik

You cannot pass custom parameters in addTarget:.One alternative is set the tag property of button and do work based on the tag. button.tag = 5 button.addTarget(self, action: “buttonClicked:”, forControlEvents: UIControlEvents.TouchUpInside) Or for Swift 2.2 and greater: button.tag = 5 button.addTarget(self,action:#selector(buttonClicked), forControlEvents:.TouchUpInside) Now do logic based on tag property @objc func buttonClicked(sender:UIButton) { if(sender.tag == 5){ … Read more

iPhone UIButton – image position

December 18, 2022 by Tarik

My solution to this is quite simple [button sizeToFit]; button.titleEdgeInsets = UIEdgeInsetsMake(0, -button.imageView.frame.size.width, 0, button.imageView.frame.size.width); button.imageEdgeInsets = UIEdgeInsetsMake(0, button.titleLabel.frame.size.width, 0, -button.titleLabel.frame.size.width);

Is it possible to adjust x,y position for titleLabel of UIButton?

December 16, 2022 by Tarik

//make the buttons content appear in the top-left [button setContentHorizontalAlignment:UIControlContentHorizontalAlignmentLeft]; [button setContentVerticalAlignment:UIControlContentVerticalAlignmentTop]; //move text 10 pixels down and right [button setTitleEdgeInsets:UIEdgeInsetsMake(10.0f, 10.0f, 0.0f, 0.0f)]; And in Swift //make the buttons content appear in the top-left button.contentHorizontalAlignment = .Left button.contentVerticalAlignment = .Top //move text 10 pixels down and right button.titleEdgeInsets = UIEdgeInsetsMake(10.0, 10.0, 0.0, 0.0) Swift … Read more