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jevonmao/PermissionsSwiftUI
A SwiftUI package to beautifully display and handle permissions.
.package(url: "https://github.com/jevonmao/PermissionsSwiftUI.git", from: "1.4.2")


PermissionsSwiftUI: A SwiftUI package to handle permissions

PermissionsSwiftUI displays and handles permissions in SwiftUI. It is largely inspired by SPPermissions. The UI is highly customizable and resembles an Apple style. If you like the project, please star ★.

PermissionsSwiftUI looks equally gorgeous on both ☀️light and 🌑 dark mode.

🧭 Navigation

Usage
Additional Information

🖥️ Installation

Requirements

  • iOS 13 or iPadOS 13
  • Xcode 12 and Swift 5.3
  • No tvOS, MacOS, and WatchOS support for now

Install

Swift Package Manager (Recommended)

You can install PermissionsSwiftUI into your Xcode project via SPM. To learn more about SPM, click here

  1. In Xcode, open your project and navigate to FileSwift PackagesAdd Package Dependency...
  2. Paste the repository URL (https://github.com/jevonmao/PermissionsSwiftUI) and click Next.
  3. For Version, select Up to next major.
  4. Click Next and click Finish.
  5. You are all set, thank you for using PermissionsSwiftUI!

Cocoapods

You can also install PermissionsSwiftUI with Cocoapods. Add pod 'PermissionsSwiftUI' in your podfile:

platform :ios, '14.0'

target 'test abstract' do
  use_frameworks!
  pod 'PermissionsSwiftUI'

end

🚀 Quickstart

Before you start, please star ★ this repository. Your star is my biggest motivation to pull all-nighters and maintain this open source project.

⚠️ v1.4.0 Migration Guide

v1.4 is here! If you encounter any issues, please checkout the migration guide designed to help developers resolve any deprecations and API updates.

Modal Style

To use PermissionsSwiftUI, simply add the JMModal modifier to any view:

.JMModal(showModal: $showModal, for: [.locationAlways, .photo, .microphone])`

Pass in a Binding<Bool> to show the modal view, and add whatever permissions you want to show. For example:

   struct ContentView: View {
       @State var showModal = false
       var body: some View {
           Button(action: {
               showModal=true
           }, label: {
               Text("Ask user for permissions")
           })
           .JMModal(showModal: $showModal, for: [.locationAlways, .photo, .microphone])
       }
   }

Alert Style

The alert style is equally gorgeous, and allows for more versatile use. It is recommended when you have less than 3 permissions.
To show a permission pop up alert, use:
.JMAlert(showModal: $showModal, for: [.locationAlways, .photo])

Similar to the previous JMPermissions, you need to pass in a Binding<Bool> to show the view, and add whatever permissions you want to show. To quickly glance all of PermissionsSwiftUI's customization and configurations, checkout the cheatsheet!





🛠️ Usage

Customize Permission Texts

😱 Be aware. Features ahead will wow you - the customization is so advanced, yet so simple. Have fun!

To customize permission texts, use the modifier setPermissionComponent() For example, you can change title, description, and image icon:

.setPermissionComponent(for: .camera, 
                        image: AnyView(Image(systemName: "camera.fill")), 
                        title: "Camcorder",
                        description: "App needs to record videos")

and the result:


Or only change 1 of title and description:
setPermissionComponent(for: .tracking, title: "Trackers")
setPermissionComponent(for: .tracking, description: "Tracking description")

Note:

  • The parameters you don't provide will show the default text
  • Add the setPermissionComponent modifier on your root level view, after JMPermissions modifier

The image parameter accepts AnyView, so feel free to use SF Symbols or your custom asset:

.setPermissionComponent(for: .camera, 
                        image: AnyView(Image("Your-cool-image"))

Even full SwiftUI views will work😱:

.setPermissionComponent(for: .camera, 
                        image: AnyView(YourCoolView())

You can use custom text and icon for all the supported permissions, with a single line of code.

Customize Header Texts

To customize the header title, use the modifier changeHeaderTo: Annotated for headers screen

.JMPermissions(showModal: $showModal, for: [.camera, .location, .calendar])
.changeHeaderTo("App Permissions")

To customize the header description, use the modifier changeHeaderDescriptionTo:

.JMPermissions(showModal: $showModal, for: [.camera, .location, .photo])
.changeHeaderDescriptionTo("Instagram need certain permissions in order for all the features to work.")

To customize the bottom description, use the modifier changeBottomDescriptionTo:

.JMPermissions(showModal: $showModal, for: [.camera, .location, .photo])
.changeBottomDescriptionTo("If not allowed, you have to enable permissions in settings")

onAppear and onDisappear Override

You might find it incredibly useful to execute your code, or perform some update action when a PermissionsSwiftUI view appears and disappears.
You can perform some action when PermissionsSwiftUI view appears or disappears by:

.JMPermissions(showModal: $showModal, for: [.locationAlways, .photo, .microphone], onAppear: {}, onDisappear: {})

The onAppear and onDisappear closure parameters will be executed everytime PermissionsSwiftUI view appears and disappears.
The same view modifier closure for state changes are available for the JMAlert modifier:

.JMAlert(showModal: $showModal,
                     for: [.locationAlways, .photo],
                     onAppear: {print("Appeared")},
                     onDisappear: {print("Disappeared")})

Auto Check Authorization

PermissionsSwiftUI by default will automatically check for authorization status. It will only show permissions that are currently notDetermined status. (iOS system prevent developers from asking denied permissions. Allowed permissions will also be ignored by PermissionsSwiftUI). If all permissions are allowed or denied, PermissionsSwiftUI will not show the modal or alert at all. To set auto check authorization, use the autoCheckAuthorization parameter:

.JMModal(showModal: $showModal, for: [.camera], autoCheckAuthorization: false)

same applies for JMAlert

.JMAlert(showModal: $showModal, for: [.camera], autoCheckAuthorization: false)

Auto Dismiss

PermissionsSwiftUI by default will automatically dismiss the modal or alert after user allows the last permission item. However, you can override this behavior.

func JMModal(showModal: Binding<Bool>, for permissions: [PermissionType], autoDismiss: Bool) -> some View

Pass in true or false to select whether to automatically dismiss the view.

Customize Colors

Using PermissionSwiftUI's capabilities, developers and designers can customize all the UI colors with incredible flexibility. You can fully configure all color at all states with your custom colors.
To easily change the accent color:

.setAccentColor(to: Color(.sRGB, red: 56/255, green: 173/255,
                                  blue: 169/255, opacity: 1))

To change the primary (default Apple blue) and tertiary (default Apple red) colors:

.setAccentColor(toPrimary: Color(.sRGB, red: 56/255, green: 173/255,
                                  blue: 169/255, opacity: 1),
                toTertiary: Color(.systemPink))

⚠️ .setAccentColor() and .setAllowButtonColor() should never be used at the same time.

To unleash the full customization of all button colors under all states, you need to pass in the AllButtonColors struct:

.setAllowButtonColor(to: .init(buttonIdle: ButtonColor(foregroundColor: Color,
                                                               backgroundColor: Color),
                                       buttonAllowed: ButtonColor(foregroundColor: Color,
                                                                  backgroundColor: Color),
                                       buttonDenied: ButtonColor(foregroundColor: Color,
                                                                 backgroundColor: Color)))

For more information regarding the above method, reference the official documentation.

Restrict Dismissal

PermissionsSwiftUI will by default, prevent the user from dismissing the modal and alert, before all permissions have been interacted. This means if the user has not explictly denied or allowed EVERY permission shown, they will not be able to dismiss the PermissionsSwiftUI view. This restrict dismissal behavior can be overriden by the var restrictModalDismissal: Bool or var restrictAlertDismissal: Bool properties. To disable the default restrict dismiss behavior:

.JMModal(showModal: $show, for permissions: [.camera], restrictDismissal: false)

You can also configure with the model:

let model: PermissionStore = {
        var model = PermissionStore()
        model.permissions = [.camera]
        model.restrictModalDismissal = false
        model.restrictAlertDismissal = false
        return model
    }
    ......

    .JMModal(showModal: $showModal, forModel: model)

Configuring Health Permissions

Unlike all the other permissions, the configuration for health permission is a little different. Because Apple require developers to explictly set read and write types, PermissionsSwiftUI greatly simplifies the process.

HKAccess

The structure HKAccess is required when initalizing health permission’s enum associated values. It encapsulates the read and write type permissions for the health permission.

To set read and write health types (activeEnergyBurned is used as example here):

let healthTypes = Set([HKSampleType.quantityType(forIdentifier: .activeEnergyBurned)!])
.JMModal(showModal: $show, for: [.health(categories: .init(readAndWrite: healthTypes))])

//Same exact syntax for JMAlert styles
.JMAlert(showModal: $show, for: [.health(categories: .init(readAndWrite: healthTypes))])

To set read or write individually:

let readTypes = Set([HKSampleType.quantityType(forIdentifier: .activeEnergyBurned)!])
let writeTypes = Set([HKSampleType.quantityType(forIdentifier: .appleStandTime)!])
.JMModal(showModal: $showModal, for: [.health(categories: .init(read: readTypes, write: writeTypes))])

You may also set only read or write type:

let readTypes = Set([HKSampleType.quantityType(forIdentifier: .activeEnergyBurned)!])
.JMModal(showModal: $showModal, for: [.health(categories: .init(read: readTypes))])

📖 Cheatsheat

Modifiers

Customize overall accent color:

setAccentColor(to:)
setAccentColor(toPrimary:toTertiary:)

Customize title:

changeHeaderTo(_:)

Customize top description:

changeHeaderDescriptionTo(_:)

Customize bottom description:

changeBottomDescriptionTo(_:)

Customize each permission's displayed text & image:

setPermissionComponent(for:image:title:description:)

setPermissionComponent(for:title:)

setPermissionComponent(for:description:)

Customize allow button's colors:

setAllowButtonColor(to:)

Automatically dismiss after last

autoDismiss: Bool

Parameters of JMModal and JMAlert

Check authorization before showing modal or alert

autoCheckAuthorization: Bool

Prevent dismissing before all permissions interacted

restrictDismissal: Bool

Do something right before view appear

onAppear: () -> Void

Do something right before view disappear

onDisappear: (() -> Void

🧰 Supported Permissions

Here is a list of all the permissions PermissionsSwiftUI supports. Yup, even the newest tracking permission for iOS 14 so you can stay on top of your game. All permissions in PermissionsSwiftUI come with a default name, description, and a stunning Apple native SF Symbols icon.


A card of all the permissions

💪 Contribute

Contributions are welcome here for coders and non-coders alike. No matter what your skill level is, you can for certain contribute to PermissionSwiftUI's open source community. Please read contributing.md before starting.

If you encounter ANY issue, have ANY concerns, or ANY comments, please do NOT hesitate to let me know. Open a discussion, issue, or email me. As a developer, I feel you when you don't understand something in the codebase. I try to comment and document as best as I can, but if you happen to encounter any issues, I will be happy to assist in any way I can.

Additional Information

Acknowledgement

SPPermissions is in large a SwiftUI remake of famous Swift library SPPermissions by @verabeis. SPPermissions was initially created in 2017, and today on GitHub has over 4000 stars. PermissionsSwiftUI aims to deliver a just as beautiful and powerful library in SwiftUI. If you star ★ my project PermissionsSwiftUI, be sure to checkout the original project SPPermissions where I borrowed the UI Design, some parts of README.md page, and important source code references along the way.

License

PermissionsSwiftUI is created by Jingwen (Jevon) Mao and licensed under the MIT License

GitHub

link
Stars: 290
Last commit: 6 days ago

Ad: Job Offers

iOS Software Engineer @ Perry Street Software
Perry Street Software is Jack’d and SCRUFF. We are two of the world’s largest gay, bi, trans and queer social dating apps on iOS and Android. Our brands reach more than 20 million members worldwide so members can connect, meet and express themselves on a platform that prioritizes privacy and security. We invest heavily into SwiftUI and using Swift Packages to modularize the codebase.

Release Notes

v1.4.2
6 days ago

What's Fixed?

This release consists of a hotfix only.

  • Fixed issue #72 where health permission request will always crash.

Swiftpack is being maintained by Petr Pavlik | @ptrpavlik | @swiftpackco | API