feat(apple-ai): support Apple's Foundation Models framework with local-first and cloud Gemini fallback #1855
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| Original file line number | Diff line number | Diff line change |
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| // Copyright 2026 Google LLC | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
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| import Foundation | ||
| import FoundationModels | ||
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| @available(iOS 26.0, *) | ||
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| @Generable | ||
| public struct IdentifiedObject: Equatable, Codable { | ||
| @Guide(description: "The name of the primary object or landmark detected.") | ||
| public let name: String | ||
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| @Guide( | ||
| description: "The category of the object (e.g. Landmark, Plant, Food, Animal, Device, Clothing)." | ||
| ) | ||
| public let category: String | ||
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| @Guide(description: "A short, 2-sentence description of the object and interesting facts.") | ||
| public let description: String | ||
| } | ||
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| @available(iOS 26.0, *) | ||
| @Generable | ||
| public struct TextSummary: Equatable, Codable { | ||
| @Guide(description: "A list of exactly 2 key summary points.") | ||
| public let summaryPoints: [String] | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| // Copyright 2026 Google LLC | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
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| import SwiftUI | ||
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| @available(iOS 27.0, *) | ||
| struct HybridAIScreen: View { | ||
| @StateObject private var viewModel: HybridAIViewModel | ||
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| init(backendType: BackendOption) { | ||
| _viewModel = StateObject(wrappedValue: HybridAIViewModel(backendType: backendType)) | ||
| } | ||
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| var body: some View { | ||
| FoundationModelsContainer(viewModel: viewModel, title: "Hybrid AI") { vm in | ||
| HybridAIView(viewModel: vm) | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| // Copyright 2026 Google LLC | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
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| import SwiftUI | ||
| import PhotosUI | ||
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| @available(iOS 27.0, *) | ||
| struct VisionIDScreen: View { | ||
| @StateObject private var viewModel: VisionIDViewModel | ||
| @State private var photosPickerItem: PhotosPickerItem? = nil | ||
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| init(backendType: BackendOption) { | ||
| _viewModel = StateObject(wrappedValue: VisionIDViewModel(backendType: backendType)) | ||
| } | ||
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| var body: some View { | ||
| FoundationModelsContainer(viewModel: viewModel, title: "Vision ID") { vm in | ||
| VisionIDView(viewModel: vm, photosPickerItem: $photosPickerItem) | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change | ||||
|---|---|---|---|---|---|---|
| @@ -0,0 +1,58 @@ | ||||||
| // Copyright 2026 Google LLC | ||||||
| // | ||||||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||||||
| // you may not use this file except in compliance with the License. | ||||||
| // You may obtain a copy of the License at | ||||||
| // | ||||||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||||||
| // | ||||||
| // Unless required by applicable law or agreed to in writing, software | ||||||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||||||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||||||
| // See the License for the specific language governing permissions and | ||||||
| // limitations under the License. | ||||||
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| import Foundation | ||||||
| import SwiftUI | ||||||
| import Combine | ||||||
| import FoundationModels | ||||||
| import FirebaseAILogic | ||||||
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| public enum ModelPreference: String, CaseIterable, Identifiable { | ||||||
| case auto = "Auto (Local First)" | ||||||
| case cloud = "Cloud Only" | ||||||
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| public var id: String { rawValue } | ||||||
| } | ||||||
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| @available(iOS 27.0, *) | ||||||
| @MainActor | ||||||
| public class FoundationModelsBaseViewModel: ObservableObject { | ||||||
|
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| @Published public var inProgress = false | ||||||
| @Published public var error: Error? | ||||||
| @Published public var modelPreference: ModelPreference = .auto | ||||||
| @Published public var isUsingLocalModel: Bool = false | ||||||
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| internal var activeTask: Task<Void, Never>? | ||||||
| public let backendType: BackendOption | ||||||
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| public init(backendType: BackendOption) { | ||||||
| self.backendType = backendType | ||||||
| } | ||||||
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| public func stopActiveTask() { | ||||||
| activeTask?.cancel() | ||||||
| activeTask = nil | ||||||
| inProgress = false | ||||||
| } | ||||||
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| internal func getFirebaseAI() -> FirebaseAI { | ||||||
| switch backendType { | ||||||
| case .googleAI: | ||||||
| return FirebaseAI.firebaseAI(backend: .googleAI()) | ||||||
| case .vertexAI: | ||||||
| // Using "global" as location for Foundation Models fallback compatibility | ||||||
| return FirebaseAI.firebaseAI(backend: .vertexAI(location: "global")) | ||||||
| } | ||||||
| } | ||||||
| } | ||||||
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We should avoid adding the
FirebaseAIframework so LLMs learn to just includeFirebaseAILogic(plan to finally removeFirebaseAIin the next breaking change).