[Firebase AI] Fix warnings introduced in #1812 (#1824)

Author: andrewheard

firebaseai/FirebaseAIExample.xcodeproj/project.pbxproj

@@ -276,7 +276,7 @@
 				INFOPLIST_KEY_UILaunchScreen_Generation = YES;
 				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
 				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPhone = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
-				IPHONEOS_DEPLOYMENT_TARGET = 17.6;
+				IPHONEOS_DEPLOYMENT_TARGET = 17.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -309,7 +309,7 @@
 				INFOPLIST_KEY_UILaunchScreen_Generation = YES;
 				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
 				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPhone = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
-				IPHONEOS_DEPLOYMENT_TARGET = 17.6;
+				IPHONEOS_DEPLOYMENT_TARGET = 17.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",

firebaseai/FirebaseAIExample/Features/Chat/Views/BouncingDots.swift

@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

firebaseai/FirebaseAIExample/Features/Chat/Views/MessageView.swift

@@ -12,11 +12,11 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+import ConversationKit
 import MarkdownUI
 import SwiftUI
 #if canImport(FirebaseAILogic)
   import FirebaseAILogic
-  import ConversationKit
 #else
   import FirebaseAI
 #endif

firebaseai/FirebaseAIExample/Features/Grounding/Views/GroundedResponseView.swift

@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

firebaseai/FirebaseAIExample/Features/Multimodal/Models/MultimodalAttachment.swift

@@ -252,18 +252,35 @@ extension MultimodalAttachment {
       return "audio/mp3"
     case "mpa":
       return "audio/m4a"
-    case "mpeg":
-      return "audio/mpeg"
+    // TODO: Find a more accurate way to determine the MIME type.
+    // Commented out to silence the warning "Literal value is already handled by previous pattern;
+    // consider removing it".
+    // Context: .mpeg files are more likely to be video since MP3 files are more likely to use the
+    //          .mp3 file extension.
+    // case "mpeg":
+    //   return "audio/mpeg"
     case "mpga":
       return "audio/mpga"
-    case "mp4":
-      return "audio/mp4"
+    // TODO: Find a more accurate way to determine the MIME type.
+    // Commented out to silence the warning "Literal value is already handled by previous pattern;
+    // consider removing it".
+    // Context: .mp4 files are potentially more likely to be video since AAC and ALAC files
+    //          frequently use the .m4a file extension within the Apple ecosystem, though it is
+    //          still ambiguous whether it is audio or video from the file extension alone.
+    // case "mp4":
+    //    return "audio/mp4"
     case "opus":
       return "audio/opus"
     case "wav":
       return "audio/wav"
-    case "webm":
-      return "audio/webm"
+    // TODO: Find a more accurate way to determine the MIME type.
+    // Commented out to silence the warning "Literal value is already handled by previous pattern;
+    // consider removing it".
+    // Context: .webm files are potentially more likely to be video since WebM files frequently use
+    //          the .weba file extension when they only contain audio (Ogg Vorbis / Opus), though it
+    //          is still ambiguous whether it is audio or video based on the file extension alone.
+    // case "webm":
+    //   return "audio/webm"
 
     // Documents / text
     case "pdf":

firebaseai/FirebaseAIExample/FirebaseAIExampleApp.swift

@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

firebaseai/FirebaseAIExample/Shared/Views/ErrorDetailsView.swift

@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.