Is there anyway to create a NSButton with rounded corners and background color without subclassing it. I have this code and it does not do anything.
let directionsButton = NSButton(frame: NSRect(x: 0, y: 0, width: 100, height: 60))
directionsButton.title = "Click Me!"
directionsButton.layer?.cornerRadius = 10
directionsButton.layer?.masksToBounds = true
directionsButton.layer?.backgroundColor = NSColor.blue.cgColor
To enable the CoreAnimation layer you have to insert this line before using it
directionsButton.wantsLayer = true
Edit: To be able to change the color you have to draw a borderless button. Add
directionsButton.isBordered = false
Related
I am wondering if I can use UI elements like UIButton, UILabel in an augmented reality app with ARKit.
If you are also interested in transparency modes for that UIView subclasses try my sample https://github.com/erikhric/ar-menu
You can use different blending modes. I guess .alpha will work for your purposes.
Yes, you can use UIKit elements by adding them to a UIView that's positioned above the view displaying the AR scene (ARSKView or ARSCNView).
If you create a new project in Xcode and select the "Augmented Reality App" template, you can see that the AR content is just a view like any other UIKit view.
What worked best for me
in main.storyboard:
- delete SceneView
- add regular UIView
- add ARKit SceneKit View on top of that
- then you can add buttons, etc.
Yes you can place UI elements on top of the ARSKView or ARSCNView displaying the AR scene:
let scanningPanel = UIImageView()
scanningPanel.backgroundColor = UIColor(white: 0.33, alpha: 0.6)
scanningPanel.layer.masksToBounds = true
scanningPanel.frame = CGRect(x: -2,
y: self.sceneView.frame.height-270,
width: 178,
height: 50)
scanningPanel.layer.cornerRadius = 10
let scanInfo = UILabel(frame: CGRect(x: 8,
y: self.sceneView.frame.height-268,
width: 160,
height: 45))
scanInfo.textAlignment = .left
scanInfo.font = scanInfo.font.withSize(15)
scanInfo.textColor = UIColor.white
scanInfo.text = "SCAN A SURFACE"
Adding:
self.sceneView.addSubview(scanningPanel)
self.sceneView.addSubview(scanInfo)
Removing:
if(scanInfo.isDescendant(of: self.sceneView)) {
scanInfo.removeFromSuperview()
}
You can insert content of any view on a plane in ARKit like this:
let plane = SCNPlane(width: sceneView.bounds.width/3000,
height: sceneView.bounds.height/3000)
plane.firstMaterial?.diffuse.contents = self.anyView`
Gestures and taps are automatically sent to that view.
Try my example.
Just as the following image, how to draw that black line?
I want the line to be drawn on layer, not on another view.
The problem I got is how to locate the bottom. Thanks for any suggestion.
Here i have used textfield same way you can use for button also
let borderOld = CALayer()
let width = CGFloat(1.5)
borderOld.frame = CGRect(x: 0, y: txtField.frame.size.height - width, width: txtField.frame.size.width, height: txtField.frame.size.height)
borderOld.borderWidth = width
txtField.layer.masksToBounds = true
txtField.layer.addSublayer(borderOld)
I created a UITextFiled with a bottom line using this:
let Bottomline CALayer = ()
bottomLine.frame CGRect = (x: 0, y: usernameTextField.frame.height-7, width: usernameTextField.frame.width, height: 1)
bottomLine.backgroundColor = UIColor.black.cgColor
TextField.borderStyle = UITextBorderStyle.none
TextField.layer.addSublayer (Bottomline)
and the result of an iPhone 6 (right) is this:
Ok.
✄------------------------
The problem is to run the same application on a Pro iPad, because the
bottom line does not extend following the UITextField, but is shorter
This is the result on iPad Pro:
I do not understand why the bottom line does not follow the UITextField. When I called the bottom line I defined as:
bottomLine.frame CGRect = (x: 0, y: usernameTextField.frame.height-7, width: usernameTextField.frame.width, height: 1)
I have specified that the length of the line at the bottom must be:
width: usernameTextField.frame.width
What's the problem?
EDIT 1: The contrains are correct, because the UITextField adapts to
all types of resolution
EDIT:2 Thanks Matt! Now work!!!
I do not understand why the bottom line does not follow the UITextField
Because it's a layer. Layers do not automatically change size when their superlayer (the text field) changes size.
So, you need to redraw the bottom line every time the text field changes size.
At the moment, though, you are configuring the "bottom line" layer in viewDidLoad. So you are basing it on the frame that the text field has at that moment. But the text field has not yet attained its real size. Then it does change size, and meanwhile your "bottom line" layer just sits there — so now it is the wrong size.
An easy solution is to subclass UITextField and redraw the line every time layoutSubviews is called:
class MyTextField : UITextField {
var lineLayer : CALayer?
override func layoutSubviews() {
super.layoutSubviews()
self.lineLayer?.removeFromSuperlayer()
let bottomLine = CALayer()
bottomLine.frame = CGRect(x: 0, y: self.bounds.height-7, width: self.bounds.width, height: 1)
bottomLine.backgroundColor = UIColor.black.cgColor
self.layer.addSublayer(bottomLine)
self.lineLayer = bottomLine
}
}
If your text field is a MyTextField, it will behave exactly as you desire.
I have a question about making an underline on UITextField.
I am trying to make an underline with bar on each end as shown below.
I tried the following and got this one. There is no bar on the right end.
extension UITextField {
func underline() {
let borderWidth = CGFloat(1.0)
let endBorderHeight = CGFloat(10.0)
let bottom = CALayer()
bottom.frame = CGRect(
x: 1,
y: self.frame.height - borderWidth,
width: self.frame.width - 2,
height: borderWidth)
bottom.borderWidth = borderWidth
bottom.borderColor = UIColor.lightGrayColor().CGColor
let leftEndBorder = CALayer()
leftEndBorder.frame = CGRect(
x: 0,
y: self.frame.height - endBorderHeight,
width: borderWidth,
height: endBorderHeight)
leftEndBorder.borderWidth = borderWidth
leftEndBorder.borderColor = UIColor.lightGrayColor().CGColor
print(bottom.frame.width)
let rightEndBorder = CALayer()
rightEndBorder.frame = CGRect(
x: self.frame.width - 1,
y: self.frame.height - endBorderHeight,
width: borderWidth,
height: endBorderHeight)
rightEndBorder.borderWidth = borderWidth
rightEndBorder.borderColor = UIColor.lightGrayColor().CGColor
self.layer.addSublayer(leftEndBorder)
self.layer.addSublayer(bottom)
self.layer.addSublayer(rightEndBorder)
self.layer.masksToBounds = true
}
}
I could make the bar on left side but having trouble making the right side because of the wrong x position of the rightEndBorder probably?
Can anyone tell me what I am doing wrong??
----- edit
I tried to set the x-position of the rightEndBorder to 200 and it gave me the following.
But if I tried to set it to 300, I don't see it anymore.
----- edit
Checked if the entire textfield was shown on the screen.
----- edit
It was that the leading and trailing constraints that changed the width of the textField I guess.
----- Solution
The problem was that I had leading and trailing constraints on the textField and those constraints changed the width after the unline was inserted. After searching google, I figured that I had to make the underline after the constraints were applied which is in the function viewDidLayoutSubviews().
Re-typing from comments section as an answer.
The problem seems to be either that the view is getting cut off (thus you will not see the right border) or the right end border is being shifted farther right after setting. Reason for suspecting this is from your picture where the right border is placed at x = 200 because it is well past half along the bottom border line but should be only be 40% of the way along the line.
Update:
The correct answer to this question was the constraints imposed caused the textfield width to change.
I am attempting to create margins in my text field so that when I go to type, the text isn't pressed so tightly against the edge.
I tried using this code (above viewDidLoad)
var insets = UIEdgeInsetsMake(10, 10, 10, 10)
Then putting this in my viewDidLoad()
textField.layoutMargins = insets
I ran the program and it still looked like there were no margins. How do I implement margins in a text field in Swift?
Subclass UITextField and implement textRectForBounds:. The simplest strategy is to call super, get the resulting rect, inset it as desired, and return it.
Here's an example result; note that the start and end of the text have considerable white space at the margin (of course the exact amount is up to you):
By creating new UIView with the right(your) values, you can set the padding in UITextField
textField.leftView = UIView(frame: CGRect(x: 30, y: 30, width: 100, height: 100))
textField.leftViewMode = UITextFieldViewMode.Always