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ResearchKit Framework

[!NOTE]
This repository is a StanfordBDHG fork of the ResearchKit project by Apple, adding support for:

The Swift Package Manager by building ResearchKit to an XCFramework via GitHub Actions and exposing the built XCFramework as a SPM binary target to speed up build times of projects / packages consuming our ResearchKit fork.

SwiftUI support to easily interact with the ORKTaskViewController using the ORKOrderedTaskView.

Building ResearchKit with enabled Swift's C++ Interoperability, requiring minor code adjustments (not additive) to the ResearchKit codebase.

Building ResearchKit natively on visionOS to run on Apple Vision Pro.

The ResearchKit™ framework is an open source software framework that makes it easy to create apps for medical research or for other research projects.

Requirements
Documentation
Getting Started
- Installing
- ORKCatalog App
Surveys
Consent
Active Tasks
Getting Help
License

Requirements <a name="requirements"></a>

The ResearchKit framework codebase supports iOS and requires Xcode 12.0 or newer. The ResearchKit framework has a Base SDK version of 13.0.

Documentation <a name="documentation"></a>

View the ResearchKit framework documentation by setting ResearchKit as your target in Xcode and selecting 'Build Documentation' in the Product menu dropdown.

Getting Started <a name="gettingstarted"></a>

Installation<a name="installation"></a>

Follow the article about Adding Package Dependencies to Your App using the following repository URL: https://github.com/StanfordBDHG/ResearchKit.

ORKCatalog App <a name="orkcatalog-app"></a>

The included catalog app demonstrates the different modules that are available in ResearchKit. Find the project in ResearchKit's samples directory.

Surveys <a name="surveys"></a>

The ResearchKit framework provides a pre-built user interface for surveys, which can be presented modally on an iPhone or iPad. The example below shows the process to present a height question for a participant to answer.

import ResearchKit
import ResearchKitUI
    
let sectionHeaderFormItem = ORKFormItem(sectionTitle: "Your question here.")

let heightQuestionFormItem = ORKFormItem(identifier: "heightQuestionFormItem1", text: nil, answerFormat: ORKAnswerFormat.heightAnswerFormat())
heightQuestionFormItem.placeholder = "Tap here"

let formStep = ORKFormStep(identifier: "HeightQuestionIdentifier", title: "Height", text: "Local system")
formStep.formItems = [sectionHeaderFormItem, heightQuestionFormItem]

return formStep

The height question is presented in the figure below.

Consent <a name="consent"></a>

The ResearchKit framework provides classes that you can customize to explain the details of your research study and obtain a signature if needed. Use ResearchKit's provided classes to quickly welcome, and inform your participants of what the study entails.

import ResearchKit
import ResearchKitUI

// Welcome page.
let welcomeStep = ORKInstructionStep(identifier: String(describing: Identifier.consentWelcomeInstructionStep))
welcomeStep.iconImage = UIImage(systemName: "hand.wave")
welcomeStep.title = "Welcome!"
welcomeStep.detailText = "Thank you for joining our study. Tap Next to learn more before signing up."
        
// Before You Join page.
let beforeYouJoinStep = ORKInstructionStep(identifier: String(describing: Identifier.informedConsentInstructionStep))
beforeYouJoinStep.iconImage = UIImage(systemName: "doc.text.magnifyingglass")
beforeYouJoinStep.title = "Before You Join"
        
let sharingHealthDataBodyItem = ORKBodyItem(text: "The study will ask you to share some of your Health data.",
                                            detailText: nil,
                                            image: UIImage(systemName: "heart.fill"),
                                            learnMoreItem: nil,
                                            bodyItemStyle: .image)
        
let completingTasksBodyItem = ORKBodyItem(text: "You will be asked to complete various tasks over the duration of the study.",
                                          detailText: nil,
                                          image: UIImage(systemName: "checkmark.circle.fill"),
                                          learnMoreItem: nil,
                                          bodyItemStyle: .image)
        
let signatureBodyItem = ORKBodyItem(text: "Before joining, we will ask you to sign an informed consent document.",
                                    detailText: nil,
                                    image: UIImage(systemName: "signature"),
                                    learnMoreItem: nil,
                                    bodyItemStyle: .image)
        
let secureDataBodyItem = ORKBodyItem(text: "Your data is kept private and secure.",
                                     detailText: nil,
                                     image: UIImage(systemName: "lock.fill"),
                                     learnMoreItem: nil,
                                     bodyItemStyle: .image)
        
beforeYouJoinStep.bodyItems = [
    sharingHealthDataBodyItem,
    completingTasksBodyItem,
    signatureBodyItem,
    secureDataBodyItem
]

The consent steps are presented in the figure below.

Vist the Obtaining Consentarticle in ResearchKit's Documentation for more examples that include signature collection and PDF file storage.

Active Tasks <a name="active-tasks"></a>

Some studies may need data beyond survey questions or the passive data collection capabilities available through use of the HealthKit and CoreMotion APIs if you are programming for iOS. ResearchKit's active tasks invite users to perform activities under semi-controlled conditions, while iPhone sensors actively collect data. ResearchKit active tasks are not diagnostic tools nor medical devices of any kind and output from those active tasks may not be used for diagnosis. Developers and researchers are responsible for complying with all applicable laws and regulations with respect to further development and use of the active tasks.

Use predefined tasks provided by ResearchKit to guide your participants through specific actions.

import ResearchKit
import ResearchKitUI
import ResearchKitActiveTask

let orderedTask = ORKOrderedTask.dBHLToneAudiometryTask(withIdentifier: "dBHLToneAudiometryTaskIdentifier",
							intendedUseDescription: nil, options: [])
							
let taskViewController = ORKTaskViewController(task: orderedTask, taskRun: nil)
taskViewController.delegate = self

present(taskViewController, animated: true)

The dBHL Tone Audiometry task is presented in the figure below.

Getting Help <a name="getting-help"></a>

GitHub is our primary forum for ResearchKit. Feel free to open up issues about questions, problems, or ideas.

License <a name="license"></a>

This project is made available under the terms of a BSD license. See the LICENSE file.