Tutorial by Examples: color

Colors are usually stored in a resource file named colors.xml in the /res/values/ folder. They are defined by <color> elements: <?xml version="1.0" encoding="utf-8"?> <resources> <color name="colorPrimary">#3F51B5</color> <c...

The background-color property sets the background color of an element using a color value or through keywords, such as transparent, inherit or initial. transparent, specifies that the background color should be transparent. This is default. inherit, inherits this property from its parent e...

You can use the label's textColor property to apply a text color to the entire text of the label. Swift label.textColor = UIColor.redColor() label.textColor = UIColor(red: 64.0/255.0, green: 88.0/255.0, blue: 41.0/225.0, alpha: 1) Swift 3 label.textColor = UIColor.red label.textColor = UICol...

PorterDuff.Mode is used to create a PorterDuffColorFilter. A color filter modifies the color of each pixel of a visual resource. ColorFilter filter = new PorterDuffColorFilter(Color.BLUE, PorterDuff.Mode.SRC_IN); The above filter will tint the non-transparent pixels to blue color. The color fil...

//Swift button.setTitleColor(color, forControlState: controlState) //Objective-C [button setTitleColor:(nullable UIColor *) forState:(UIControlState)]; To set the title color to blue //Swift button.setTitleColor(.blue, for: .normal) //Objective-C [button setTitleColor:[UIColor blueColo...

To determine the color and pixel depths of the screen: var pixelDepth = window.screen.pixelDepth, colorDepth = window.screen.colorDepth;

Most browsers support using color keywords to specify a color. For example, to set the color of an element to blue, use the blue keyword: .some-class { color: blue; } CSS keywords are not case sensitive—blue, Blue and BLUE will all result in #0000FF. Color Keywords Color nameHex valueRGB...

currentColor returns the computed color value of the current element. Use in same element Here currentColor evaluates to red since the color property is set to red: div { color: red; border: 5px solid currentColor; box-shadow: 0 0 5px currentColor; } In this case, specifyin...

Swift label.backgroundColor = UIColor.redColor() label.backgroundColor = .redColor() Swift 3 label.backgroundColor = UIColor.red Objective-C label.backgroundColor = [UIColor redColor];

There are many ways you can create a UIColor: Swift Using one of the predefined colors: let redColor = UIColor.redColor() let blueColor: UIColor = .blueColor() // In Swift 3, the "Color()" suffix is removed: let redColor = UIColor.red let blueColor: UIColor = .blue If the c...

5 <input type="color" name="favcolor" value="#ff0000"> In supporting browsers, the input element with a type attribute whose value is color creates a button-like control, with a color equal to the value of color attribute (defaults to black if value is not spe...

Swift textView.textColor = UIColor.red Objective-C textView.textColor = [UIColor redColor];

// View to hold the CAGradientLayer. let view: UIView = UIView(frame: CGRect(x: 0, y: 0, width: 320, height: 320)) // Initialize gradient layer. let gradientLayer: CAGradientLayer = CAGradientLayer() // Set frame of gradient layer. gradientLayer.frame = view.bounds // Color a...

// View to hold the CAGradientLayer. let view: UIView = UIView(frame: CGRect(x: 0, y: 0, width: 320, height: 320)) // Initialize gradient layer. let gradientLayer: CAGradientLayer = CAGradientLayer() // Set frame of gradient layer. gradientLayer.frame = view.bounds // Color at the top of...

You can set the opacity to a certain UIColor without creating a new one using the init(red:_,green:_,blue:_,alpha:_) initializer. Swift let colorWithAlpha = UIColor.redColor().colorWithAlphaComponent(0.1) Swift 3 //In Swift Latest Version _ colorWithAlpha = UIColor.red.withAlphaComponent(0.1)...

By default, Interface Builder doesn't accept the CGColor datatype, so to allow adding a CGColor using user defined attributes in interface builder; one may want to use an extension like this: Swift Extension : extension CALayer { func borderUIColor() -> UIColor? { return borderCol...

HTML <div></div> CSS div { width: 100px; height: 100px; background-color: white; -webkit-filter: invert(100%); filter: invert(100%); } Result Turns from white to black.

Many developers like to customize the font, text, and background color of their IDE's. You can do this in Xcode by opening the app preference pane, either by going to XCODE->Preferences, or by pressing '⌘,' With the preference pane open you can click on the 'Fonts and Colors' tab. From her...

Color state lists can be used as colors, but will change depending on the state of the view they are used for. To define one, create a resource file in res/color/foo.xml <?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/ap...

:root { --red: #b00; --blue: #4679bd; --grey: #ddd; } .Bx1 { color: var(--red); background: var(--grey); border: 1px solid var(--red); }