app store actionable ios app design best practices

Technical Implementation of Actionable Elements in iOS Apps

Backend and Frontend Requirements for Deep Links and Universal Links

1. URL Routing Configuration
Frontend apps must declare supported URL schemes or domains in their `Info.plist` file. For Universal Links, the `apple-app-site-association` (AASA) file must be hosted on a HTTPS server and linked to the app’s App ID. Example `Info.plist` entries:

CFBundleURLTypes CFBundleURLSchemes myapp

CFBundleURLTypes CFBundleURLName com.example.myapp CFBundleURLSchemes https

2. Server-Side Redirects
Backend systems must validate and redirect HTTP requests to the appropriate app or fallback content. For Universal Links, the server checks the `Host` header against the AASA file. Example AASA file structure:

{
"applinks": {
"apps": [],
"details": [
{
"appID": "TEAM_ID.BUNDLE_ID",
"paths": [ "/account/*", "/checkout" ]
}
]
}
}

Backend logic (e.g., Node.js/Express) should parse the path and return a `302` redirect to the app’s deep link or a web fallback:

if (request.headers.host === "example.com" && isValidPath(request.path)) {
response.redirect(302, "myapp://account/profile");
} else {
response.redirect(302, "https://example.com/web-fallback");
}

3. Frontend Handling
Apps use `UIApplication` or `URLSession` to handle incoming links. For Universal Links, implement `application(_:continue:restorationHandler:)` in `AppDelegate`:

func application(_ application: UIApplication,
continue userActivity: NSUserActivity,
restorationHandler: @escaping ([UIUserActivityRestoring]?) -> Void) -> Bool {
guard userActivity.activityType == NSUserActivityTypeBrowsingWeb,
let url = userActivity.webpageURL else { return false }
handleDeepLink(url)
return true
}

Implementing Siri Shortcuts for Voice-Triggered Actions

1. Define Intent Schema
Create an `IntentDefinition.intentdefinition` file (e.g., `OpenProfile.intentdefinition`) in Xcode’s Assets folder. Example schema for a "Open Profile" shortcut:

{
"intents": [
{
"shortTitle": "Open Profile",
"title": "Open User Profile",
"description": "Opens the user's profile screen in the app.",
"parameters": [],
"suggestions": []
}
]
}

2. Implement Intent Handler
Extend `NSObject` and `INExtension` to handle the intent. Example for `OpenProfileIntentHandler`:

import Intents

class OpenProfileIntentHandler: NSObject, OpenProfileIntentHandling {
func handle(intent: OpenProfileIntent, completion: @escaping (OpenProfileIntentResponse) -> Void) {
let response = OpenProfileIntentResponse.success("Profile opened")
completion(response)
}

func resolveUserIdentifier(for intent: OpenProfileIntent, with completion: @escaping (INStringResolutionResult) -> Void) {
// Resolve user identifier if needed (e.g., from Keychain)
completion(INStringResolutionResult.success(with: "user123"))
}
}

3. Register Handler in AppDelegate
Ensure the handler is registered during app launch:

func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
INPreferences.requestSiriAuthorization { status in
if status == .authorized {
// Register intent handler
let intent = INIntent(response: OpenProfileIntentResponse.success(""))
let interaction = INInteraction(intent: intent, response: nil)
interaction.donate { error in
if let error = error {
print("Error donating interaction: \(error.localizedDescription)")
}
}
}
}
return true
}

4. Test Shortcuts
Use the Shortcuts App on iOS to test and configure shortcuts. Users can add the app’s shortcuts to Siri’s voice commands via the Shortcuts tab in the app’s settings.

In-App App Store Reviews with `SKStoreReviewController`

1. Trigger Review Request
Call `requestReview()` when the optimal moment arises (e.g., after 5 successful app sessions). Example:

import StoreKit

func promptForReview() {
SKStoreReviewController.requestReview { completed in
if completed {
print("User rated the app")
} else {
print("User dismissed the review request")
}
}
}

2. Integration with Actionable Flows
Combine with deep links or Siri Shortcuts to create contextual prompts. For example, after a user completes a purchase via a Universal Link:

func handlePurchaseCompletion() {
// Process purchase
DispatchQueue.main.asyncAfter(deadline: .now() + 2.0) { // Delay to avoid immediate dismissal
SKStoreReviewController.requestReview()
}
}

3. Analytics Tracking
Log review prompts and outcomes using tools like Firebase or Mixpanel:

func promptForReview() {
let analytics = AnalyticsService.shared
analytics.logEvent("review_prompt_shown")

SKStoreReviewController.requestReview { completed in
analytics.logEvent(completed ? "review_shown_completed" : "review_shown_dismissed")
}
}

Best Practices for Handling App Store Redirects and Fallbacks

Key Principles for Robust Actionable Flows:

Fallback Mechanisms: Always provide a web or deep link fallback for failed app launches (e.g., user hasn’t installed the app).

Analytics Integration: Track redirect sources, user drop-off points, and conversion rates to optimize flows.

URL Validation: Sanitize incoming URLs to prevent malicious redirects or data leaks.

User Experience: Ensure redirects are instantaneous (<200ms) to avoid perceived lag.

App Store Compliance: Adhere to Apple’s guidelines for deep links (e.g., no misleading metadata in AASA files).

func handleDeepLink(_ url: URL) {
if UIApplication.shared.canOpenURL(url) {
UIApplication.shared.open(url)
} else {
// Fallback: Open App Store or web
if let appStoreURL = URL(string: "https://apps.apple.com/app/idAPP_ID") {
UIApplication.shared.open(appStoreURL)
} else if let webFallbackURL = URL(string: "https://example.com/web-fallback") {
UIApplication.shared.open(webFallbackURL)
}
}
}

2. Analytics Tracking for User Journeys
Use tools like Firebase Analytics or Appsflyer to monitor: