[AltWidget] Allows choosing featured app

AltStore/AppDelegate.swift

@@ -33,7 +33,11 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
 
     var window: UIWindow?
     
+    @available(iOS 14, *)
     private lazy var intentHandler = IntentHandler()
+    
+    @available(iOS 14, *)
+    private lazy var viewAppIntentHandler = ViewAppIntentHandler()
 
     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool
     {
@@ -95,8 +99,14 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
     
     func application(_ application: UIApplication, handlerFor intent: INIntent) -> Any?
     {
-        guard intent is RefreshAllIntent else { return nil }
-        return self.intentHandler
+        guard #available(iOS 14, *) else { return nil }
+        
+        switch intent
+        {
+        case is RefreshAllIntent: return self.intentHandler
+        case is ViewAppIntent: return self.viewAppIntentHandler
+        default: return nil
+        }
     }
 }
 

AltStore/Info.plist

@@ -69,6 +69,7 @@
 	<key>INIntentsSupported</key>
 	<array>
 		<string>RefreshAllIntent</string>
+		<string>ViewAppIntent</string>
 	</array>
 	<key>LSApplicationQueriesSchemes</key>
 	<array>
@@ -92,6 +93,7 @@
 	<key>NSUserActivityTypes</key>
 	<array>
 		<string>RefreshAllIntent</string>
+		<string>ViewAppIntent</string>
 	</array>
 	<key>UIApplicationSceneManifest</key>
 	<dict>

AltStore/Intents/IntentHandler.swift

@@ -10,6 +10,7 @@ import Foundation
 
 import AltStoreCore
 
+@available(iOS 14, *)
 class IntentHandler: NSObject, RefreshAllIntentHandling
 {
     private let queue = DispatchQueue(label: "io.altstore.IntentHandler")
@@ -75,6 +76,7 @@ class IntentHandler: NSObject, RefreshAllIntentHandling
     }
 }
 
+@available(iOS 14, *)
 private extension IntentHandler
 {
     func finish(_ intent: RefreshAllIntent, response: RefreshAllIntentResponse)