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Code Quality Rank: L5
Programming language: Swift
License: MIT License
Tags: UI    
Latest version: v0.4.3

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README

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IGColorPicker is a fantastic color picker ๐ŸŽจ written in Swift.

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Table of Contents

Documentation

Colors

The color picker comes with our set of colors:

alt text

But if you don't like them, you are free to use your own colors ๐Ÿ–:


colorPickerView.colors = [UIColor.red, UIColor.yellow, UIColor.green, UIColor.black]

Style

  • style enum: look and feel of color picker cells

    • circle

    alt text

    • square

    alt text

  • selectionStyle enum: style applied when a color is selected

    • check

    alt text

    • none

    alt text

Other features

  • preselectedIndex Int?: the index of the preselected color in the color picker

  • isSelectedColorTappable Bool: if true, the selected color can be deselected by a tap

  • scrollToPreselectedIndex Bool: if true, the preselectedIndex is showed in the center of the color picker

Installation

IGColorPicker is available through CocoaPods. To install it, simply add the following line to your Podfile:

pod 'IGColorPicker'

Example

To run the example project, clone the repo, and run pod install from the Example directory first.

Getting Started

ColorPickerView

ColorPickerView is just a class that inheritance from UIView, so you can both use a storyboard or you can create the color picker programmatically:

Storyboard

  • Add a UIView to the storyboard. Go to the Identity inspector and in set its class to ColorPickerView.
  • Just drag and drop the view in the correct class ๐Ÿค™๐Ÿป

Programmatically

Just initialize the color picker like one would initialize a UIView, and add it as a subview to your view hierarchy.

import IGColorPicker

class ViewController {
  var colorPickerView: ColorPickerView!

  override func viewDidLoad() {
    super.viewDidLoad()

    colorPickerView = ColorPickerView(frame: CGRect(x: 0.0, y: 0.0, width: widthSize, height: heightSize))
    view.addSubview(colorPickerView)
  }

}

Delegate

ColorPickerViewDelegate is the delegate protocol that recognizes the tap gesture on a color. This is an option delegate, but if you need to know when the user selects a color you should implement it.


// Set the delegate ๐Ÿ™‹๐Ÿปโ€โ™‚๏ธ
colorPickerView.delegate = self

// MARK: - ColorPickerViewDelegate
extension ViewController: ColorPickerViewDelegate {

  func colorPickerView(_ colorPickerView: ColorPickerView, didSelectItemAt indexPath: IndexPath) {
    // A color has been selected
  }

  // This is an optional method
  func colorPickerView(_ colorPickerView: ColorPickerView, didDeselectItemAt indexPath: IndexPath) {
    // A color has been deselected
  }

}

Layout

Every developer can customize the color picker layout in the way to fit with their design. To do that you have to implement our layout delegate ColorPickerViewDelegateFlowLayout

// Set the delegate ๐Ÿ™‹๐Ÿปโ€โ™‚๏ธ
colorPickerView.layoutDelegate = self

// MARK: - ColorPickerViewDelegateFlowLayout
extension ViewController: ColorPickerViewDelegateFlowLayout {

  // ------------------------------------------------------------------
  // All these methods are optionals, your are not to implement them ๐Ÿ––๐Ÿป
  // ------------------------------------------------------------------

  func colorPickerView(_ colorPickerView: ColorPickerView, sizeForItemAt indexPath: IndexPath) -> CGSize {
    // The size for each cell
    // ๐Ÿ‘‰๐Ÿป WIDTH AND HEIGHT MUST BE EQUALS!
  }

  func colorPickerView(_ colorPickerView: ColorPickerView, minimumLineSpacingForSectionAt section: Int) -> CGFloat {
    // Space between cells
  }

  func colorPickerView(_ colorPickerView: ColorPickerView, minimumInteritemSpacingForSectionAt section: Int) -> CGFloat {
    // Space between rows
  }

  func colorPickerView(_ colorPickerView: ColorPickerView, insetForSectionAt section: Int) -> UIEdgeInsets {
    // Inset used aroud the view
  }

}

Project Details

Requirements

  • Swift 4.1
  • Xcode 9.0+
  • iOS 8.3+

Contributing

Feel free to collaborate with ideas ๐Ÿ’ญ , issues โ‰๏ธ and/or pull requests ๐Ÿ”ƒ.

Here is a list of ToDo about bug fix and new features you can work on:

  • Custom check size
  • Support to custom view in ColorPickerViewSelectStyle
  • Support custom style in ColorPickerViewStyle
  • Substitute M13Checkbox with another framework. Or just create a custom checkbox with animation

P.S. If you use IGColorPicker in your app we would love to hear about it! ๐Ÿ˜‰

License

Copyright (c) 2018 iGenius Srl

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.


*Note that all licence references and agreements mentioned in the IGColorPicker README section above are relevant to that project's source code only.