DKVerticalColorPicker is a simple iOS color picker presented as a vertical color bar from which the user can pick a color by its hue. Wings on either side of the color bar indicate the currently selected color. A small subclass of UIView, it is useful for simple applications - places where picking saturation, brightness, and alpha don't matter. It is similar in design to the color picker used in SnapChat's photo capture screen.
- Resizable/little space usage - set DKVerticalColorPicker's frame to be whatever makes sense for your application
- Reports color changes to a delegate
- IBDesignable and IBInspectable - set the initial color in IB
- Teeny tiny codebase with no dependencies
Simply copy DKVerticalColorPicker.m and DKVerticalColorPicker.h into your project or use the CocoaPod DKVerticalColorPicker.
You can drag a UIView out in IB and set its class as DKVerticalColorPicker or you can instantiate it in code via initWithFrame. Make it whatever size suits your app. Either way, you'll want to set its delegate property to a class that implements the protocol DKVerticalColorPickerDelegate.
DKVerticalColorPickerDelegate defines a single method colorPicked: which is triggered every time the picker's color changes (either via user interaction or after the selectedColor property is set in code).
You can set the color manually by simply setting the property selectedColor.
- If you use
DKVerticalColorPickerin IB, set itsbackgroundColortoClearColorfor things to look right. - If you change
selectedColorprogramatically, note that the delegate will be notified of a color change
Released under the MIT License. Copyright 2015 David Kopec. Please open issues on GitHub.
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