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📊 A customizable gradient progress bar (UIProgressView).

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Readme

GradientProgressBar

Name: GradientProgressBar
Brand: GradientProgressBar
SKU: //fxm90/gradientprogressbar
Rating: 2.395 (258 reviews)

Code Coverage Version License Platform

A customizable gradient progress bar (UIProgressView). Inspired by iOS 7 Progress Bar from Codepen.

Example

To run the example project, clone the repo, and open the workspace from the Example directory.

Requirements

Swift 5.0
Xcode 11
iOS 9.0+

Integration

CocoaPods

CocoaPods is a dependency manager for Cocoa projects. For usage and installation instructions, visit their website. To integrate GradientProgressBar into your Xcode project using CocoaPods, specify it in your

Podfile

ruby
pod 'GradientProgressBar', '~> 2.0'

Carthage

Carthage is a decentralized dependency manager that builds your dependencies and provides you with binary frameworks. To integrate GradientProgressBar into your Xcode project using Carthage, specify it in your

Cartfile

ogdl
github "fxm90/GradientProgressBar" ~> 2.0

Run carthage update to build the framework and drag the built

GradientProgressBar.framework

, as well as the dependency

LightweightObservable.framework

, into your Xcode project.

Swift Package Manager

The Swift Package Manager is a tool for automating the distribution of Swift code and is integrated into the

swift

compiler. It is in early development, but Gradient Progress Bar does support its use on supported platforms.

Once you have your Swift package set up, adding Gradient Progress Bar as a dependency is as easy as adding it to the

dependencies

value of your

Package.swift

dependencies: [
    .package(url: "https://github.com/fxm90/GradientProgressBar", from: "2.0.3")
]

How to use

Simply drop a

UIView

into your View Controller in the Storyboard. Select your view and in the

Identity Inspector

change the class to

GradientProgressBar

Don't forget to change the module to
GradientProgressBar
too.

Interface Builder

Setup the constraints for the

UIView

according to your needs.

Import

GradientProgressBar

in your view controller source file.

swift
import GradientProgressBar

Create an

IBOutlet

of the progress view in your view controller source file.

swift
@IBOutlet weak var gradientProgressView: GradientProgressBar!

After that you can set the progress programmatically as you would do on a normal UIProgressView.

swift
gradientProgressView.setProgress(0.75, animated: true)

swift
gradientProgressView.progress = 0.75

Configuration

– Property

animationDuration

Adjusts the animation duration for calls to

setProgress(_:animated:)

swift
progressView.animationDuration = 2.0
progressView.setProgress(progress, animated: true)

– Property

gradientColors

Adjusts the colors, used for the gradient inside the progress-view.

swift
progressView.gradientColors: [UIColor] = [
    .red,
    .white,
    .blue
]

– Property

timingFunction

Adjusts the timing function for calls to

setProgress(_:animated:)

, with animated set to

true

swift
progressView.timingFunction = CAMediaTimingFunction(name: .easeInEaseOut)

Troubleshooting

Interface Builder Support

Unfortunatly the Interface Builder support is currently broken for Cocoapods frameworks. If you need Interface Builder support, add the following code to your Podfile and run

pod install

again. Afterwards you should be able to use the

GradientProgressBar

inside the Interface Builder :) ``` postinstall do |installer| installer.podsproject.build_configurations.each do |config| next unless config.name == 'Debug'

  config.build_settings['LD_RUNPATH_SEARCH_PATHS'] = [
    '$(FRAMEWORK_SEARCH_PATHS)'
  ]
end

end ``` Source: Cocoapods – Issue 7606

Show progress of

WKWebView

Based on my gist, the example application also contains the sample code, for attaching the progress view to a

UINavigationBar

. Using "Key-Value Observing" we change the progress of the bar accordingly to the property

estimatedProgress

of the

WKWebView

Please have a look at the example application for further details :)

Author

Felix Mau (me(@)felix.hamburg)

License

GradientProgressBar is available under the MIT license. See the LICENSE file for more info.