A lot of stuff

.swiftlint.yml

@@ -1,2 +1,5 @@
 disabled_rules:
-  identifier_name
+  - identifier_name
+  # Swift 5.3
+  - multiple_closures_with_trailing_closure
+  - no_space_in_method_call

Development Assets/DevelopmentModels.swift

@@ -0,0 +1,69 @@
+// Copyright © 2020 Metabolist. All rights reserved.
+
+import Foundation
+import Combine
+
+// swiftlint:disable force_try
+private let decoder = MastodonDecoder()
+private var cancellables = Set<AnyCancellable>()
+private let devIdentityID = "DEVELOPMENT_IDENTITY_ID"
+
+extension Secrets {
+    static let development: Secrets = {
+        let secrets = Secrets(keychain: FakeKeychain())
+
+        try! secrets.set("DEVELOPMENT_CLIENT_ID", forItem: .clientID, forIdentityID: devIdentityID)
+        try! secrets.set("DEVELOPMENT_CLIENT_SECRET", forItem: .clientSecret, forIdentityID: devIdentityID)
+        try! secrets.set("DEVELOPMENT_ACCESS_TOKEN", forItem: .accessToken, forIdentityID: devIdentityID)
+
+        return secrets
+    }()
+}
+
+extension MastodonClient {
+    static let development = MastodonClient(configuration: .stubbing)
+}
+
+extension Account {
+    static let development = try! decoder.decode(Account.self, from: Data(officialAccountJSON.utf8))
+}
+
+extension Instance {
+    static let development = try! decoder.decode(Instance.self, from: Data(officialInstanceJSON.utf8))
+}
+
+extension IdentityDatabase {
+    static var development: IdentityDatabase = {
+        let db = try! IdentityDatabase(inMemory: true)
+
+        db.createIdentity(id: devIdentityID, url: URL(string: "https://mastodon.social")!)
+            .receive(on: ImmediateScheduler.shared)
+            .sink(receiveCompletion: { _ in }, receiveValue: { _ in })
+            .store(in: &cancellables)
+
+        db.updateAccount(.development, forIdentityID: devIdentityID)
+            .receive(on: ImmediateScheduler.shared)
+            .sink(receiveCompletion: { _ in }, receiveValue: { _ in })
+            .store(in: &cancellables)
+
+        db.updateInstance(.development, forIdentityID: devIdentityID)
+            .receive(on: ImmediateScheduler.shared)
+            .sink(receiveCompletion: { _ in }, receiveValue: { _ in })
+            .store(in: &cancellables)
+
+        return db
+    }()
+}
+
+extension Identity {
+    static let development = try! IdentityDatabase.development.identity(id: devIdentityID)!
+}
+
+extension SceneViewModel {
+    static let development = SceneViewModel(
+        networkClient: .development,
+        identityDatabase: .development,
+        secrets: .development)
+}
+
+// swiftlint:enable force_try

Development Assets/Mastodon API Stubs/AccountEndpoint+Stubbing.swift

@@ -0,0 +1,50 @@
+// Copyright © 2020 Metabolist. All rights reserved.
+
+import Foundation
+
+// swiftlint:disable line_length
+let officialAccountJSON = #"""
+{
+    "id": "13179",
+    "username": "Mastodon",
+    "acct": "Mastodon",
+    "display_name": "Mastodon",
+    "locked": false,
+    "bot": false,
+    "discoverable": false,
+    "group": false,
+    "created_at": "2016-11-23T04:32:45.703Z",
+    "note": "<p>Official account of the Mastodon project. News, releases, announcements. All in micro-blog form! Toot toot!</p>",
+    "url": "https://mastodon.social/@Mastodon",
+    "avatar": "https://files.mastodon.social/accounts/avatars/000/013/179/original/27bc451c7713091b.jpg",
+    "avatar_static": "https://files.mastodon.social/accounts/avatars/000/013/179/original/27bc451c7713091b.jpg",
+    "header": "https://files.mastodon.social/accounts/headers/000/013/179/original/4835294a8ed4c5a2.png",
+    "header_static": "https://files.mastodon.social/accounts/headers/000/013/179/original/4835294a8ed4c5a2.png",
+    "followers_count": 531199,
+    "following_count": 10,
+    "statuses_count": 166,
+    "last_status_at": "2020-07-26",
+    "emojis": [],
+    "fields": [
+        {
+            "name": "Homepage",
+            "value": "<a href=\"https://joinmastodon.org\" rel=\"me nofollow noopener noreferrer\" target=\"_blank\"><span class=\"invisible\">https://</span><span class=\"\">joinmastodon.org</span><span class=\"invisible\"></span></a>",
+            "verified_at": "2018-10-31T04:11:00.076+00:00"
+        },
+        {
+            "name": "Patreon",
+            "value": "<a href=\"https://patreon.com/mastodon\" rel=\"me nofollow noopener noreferrer\" target=\"_blank\"><span class=\"invisible\">https://</span><span class=\"\">patreon.com/mastodon</span><span class=\"invisible\"></span></a>",
+            "verified_at": null
+        }
+    ]
+}
+"""#
+
+extension AccountEndpoint: Stubbing {
+    func dataString(url: URL) -> String? {
+        switch self {
+        case .verifyCredentials: return officialAccountJSON
+        }
+    }
+}
+// swiftlint:enable line_length

Development Assets/Mastodon API Stubs/InstanceEndpoint+Stubbing.swift

@@ -0,0 +1,74 @@
+// Copyright © 2020 Metabolist. All rights reserved.
+
+import Foundation
+
+// swiftlint:disable line_length
+let officialInstanceJSON = #"""
+{
+    "uri": "mastodon.social",
+    "title": "Mastodon",
+    "short_description": "Server run by the main developers of the project <img draggable=\"false\" alt=\"\ud83d\udc18\" class=\"emojione\" src=\"https://mastodon.social/emoji/1f418.svg\" /> It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!",
+    "description": "Server run by the main developers of the project <img draggable=\"false\" alt=\"\ud83d\udc18\" class=\"emojione\" src=\"https://mastodon.social/emoji/1f418.svg\" /> It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!",
+    "email": "staff@mastodon.social",
+    "version": "3.2.0",
+    "urls": {
+        "streaming_api": "wss://mastodon.social"
+    },
+    "stats": {
+        "user_count": 528991,
+        "status_count": 24588857,
+        "domain_count": 14857
+    },
+    "thumbnail": "https://files.mastodon.social/site_uploads/files/000/000/001/original/vlcsnap-2018-08-27-16h43m11s127.png",
+    "languages": [
+        "en"
+    ],
+    "registrations": false,
+    "approval_required": false,
+    "invites_enabled": true,
+    "contact_account": {
+        "id": "1",
+        "username": "Gargron",
+        "acct": "Gargron",
+        "display_name": "Eugen",
+        "locked": false,
+        "bot": false,
+        "discoverable": true,
+        "group": false,
+        "created_at": "2016-03-16T14:34:26.392Z",
+        "note": "<p>Developer of Mastodon and administrator of mastodon.social. I post service announcements, development updates, and personal stuff.</p>",
+        "url": "https://mastodon.social/@Gargron",
+        "avatar": "https://files.mastodon.social/accounts/avatars/000/000/001/original/d96d39a0abb45b92.jpg",
+        "avatar_static": "https://files.mastodon.social/accounts/avatars/000/000/001/original/d96d39a0abb45b92.jpg",
+        "header": "https://files.mastodon.social/accounts/headers/000/000/001/original/c91b871f294ea63e.png",
+        "header_static": "https://files.mastodon.social/accounts/headers/000/000/001/original/c91b871f294ea63e.png",
+        "followers_count": 425409,
+        "following_count": 440,
+        "statuses_count": 66170,
+        "last_status_at": "2020-07-31",
+        "emojis": [],
+        "fields": [
+            {
+                "name": "Patreon",
+                "value": "<a href=\"https://www.patreon.com/mastodon\" rel=\"me nofollow noopener noreferrer\" target=\"_blank\"><span class=\"invisible\">https://www.</span><span class=\"\">patreon.com/mastodon</span><span class=\"invisible\"></span></a>",
+                "verified_at": null
+            },
+            {
+                "name": "Homepage",
+                "value": "<a href=\"https://zeonfederated.com\" rel=\"me nofollow noopener noreferrer\" target=\"_blank\"><span class=\"invisible\">https://</span><span class=\"\">zeonfederated.com</span><span class=\"invisible\"></span></a>",
+                "verified_at": "2019-07-15T18:29:57.191+00:00"
+            }
+        ]
+    }
+}
+"""#
+
+extension InstanceEndpoint: Stubbing {
+
+    func dataString(url: URL) -> String? {
+        switch self {
+        case .instance: return officialInstanceJSON
+        }
+    }
+}
+// swiftlint:enable line_length

Metatext.xcodeproj/project.pbxproj

@@ -11,6 +11,16 @@
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 		D047FAB224C3E21200AF17C5 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = D047FA8724C3E21200AF17C5 /* Assets.xcassets */; };
 		D047FAB324C3E21200AF17C5 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = D047FA8724C3E21200AF17C5 /* Assets.xcassets */; };
+		D04FD73324D48F37007D572D /* SettingsView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D04FD73224D48F37007D572D /* SettingsView.swift */; };
+		D04FD73424D48F37007D572D /* SettingsView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D04FD73224D48F37007D572D /* SettingsView.swift */; };
+		D04FD73624D49506007D572D /* SettingsViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = D04FD73524D49506007D572D /* SettingsViewModel.swift */; };
+		D04FD73724D49506007D572D /* SettingsViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = D04FD73524D49506007D572D /* SettingsViewModel.swift */; };
+		D04FD73924D4A7B4007D572D /* AccountEndpoint+Stubbing.swift in Sources */ = {isa = PBXBuildFile; fileRef = D04FD73824D4A7B4007D572D /* AccountEndpoint+Stubbing.swift */; };
+		D04FD73A24D4A7B4007D572D /* AccountEndpoint+Stubbing.swift in Sources */ = {isa = PBXBuildFile; fileRef = D04FD73824D4A7B4007D572D /* AccountEndpoint+Stubbing.swift */; };
+		D04FD73C24D4A83A007D572D /* InstanceEndpoint+Stubbing.swift in Sources */ = {isa = PBXBuildFile; fileRef = D04FD73B24D4A83A007D572D /* InstanceEndpoint+Stubbing.swift */; };
+		D04FD73D24D4A83A007D572D /* InstanceEndpoint+Stubbing.swift in Sources */ = {isa = PBXBuildFile; fileRef = D04FD73B24D4A83A007D572D /* InstanceEndpoint+Stubbing.swift */; };
+		D04FD74224D4AA34007D572D /* DevelopmentModels.swift in Sources */ = {isa = PBXBuildFile; fileRef = D04FD74124D4AA34007D572D /* DevelopmentModels.swift */; };
+		D04FD74324D4AA34007D572D /* DevelopmentModels.swift in Sources */ = {isa = PBXBuildFile; fileRef = D04FD74124D4AA34007D572D /* DevelopmentModels.swift */; };
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@@ -42,6 +52,8 @@
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 		D06B492024D3FB8000642749 /* Localizable.strings in Resources */ = {isa = PBXBuildFile; fileRef = D06B491E24D3F7FE00642749 /* Localizable.strings */; };
+		D06B492324D4611300642749 /* KingfisherSwiftUI in Frameworks */ = {isa = PBXBuildFile; productRef = D06B492224D4611300642749 /* KingfisherSwiftUI */; };
+		D06B492524D4612400642749 /* KingfisherSwiftUI in Frameworks */ = {isa = PBXBuildFile; productRef = D06B492424D4612400642749 /* KingfisherSwiftUI */; };
 		D074577724D29006004758DB /* StubbingWebAuthenticationSession.swift in Sources */ = {isa = PBXBuildFile; fileRef = D074577624D29006004758DB /* StubbingWebAuthenticationSession.swift */; };
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@@ -131,6 +143,11 @@
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 		D047FA9724C3E21200AF17C5 /* macOS.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = macOS.entitlements; sourceTree = "<group>"; };
+		D04FD73224D48F37007D572D /* SettingsView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SettingsView.swift; sourceTree = "<group>"; };
+		D04FD73524D49506007D572D /* SettingsViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SettingsViewModel.swift; sourceTree = "<group>"; };
+		D04FD73824D4A7B4007D572D /* AccountEndpoint+Stubbing.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "AccountEndpoint+Stubbing.swift"; sourceTree = "<group>"; };
+		D04FD73B24D4A83A007D572D /* InstanceEndpoint+Stubbing.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "InstanceEndpoint+Stubbing.swift"; sourceTree = "<group>"; };
+		D04FD74124D4AA34007D572D /* DevelopmentModels.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DevelopmentModels.swift; sourceTree = "<group>"; };
 		D065F53A24D3B33A00741304 /* View+Extensions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "View+Extensions.swift"; sourceTree = "<group>"; };
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@@ -189,6 +206,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				D06B492324D4611300642749 /* KingfisherSwiftUI in Frameworks */,
 				D0666A4924C6C1A300F3F04B /* GRDB in Frameworks */,
 				D0DC175F24D016EA00A75C65 /* Alamofire in Frameworks */,
 			);
@@ -198,6 +216,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				D06B492524D4612400642749 /* KingfisherSwiftUI in Frameworks */,
 				D0DC176124D0171800A75C65 /* Alamofire in Frameworks */,
 				D0666A7D24C7745A00F3F04B /* GRDB in Frameworks */,
 			);
@@ -321,6 +340,7 @@
 				D0DB6EF324C5228A00D965FE /* AddIdentityView.swift */,
 				D0BEC93A24C96FD500E864C4 /* ContentView.swift */,
 				D0BEC94924CA231200E864C4 /* TimelineView.swift */,
+				D04FD73224D48F37007D572D /* SettingsView.swift */,
 			);
 			path = Views;
 			sourceTree = "<group>";
@@ -343,6 +363,7 @@
 			children = (
 				D0DB6F0824C65AC000D965FE /* AddIdentityViewModel.swift */,
 				D0BEC93724C9632800E864C4 /* SceneViewModel.swift */,
+				D04FD73524D49506007D572D /* SettingsViewModel.swift */,
 				D0BEC94624CA22C400E864C4 /* TimelineViewModel.swift */,
 			);
 			path = "View Models";
@@ -363,7 +384,9 @@
 			isa = PBXGroup;
 			children = (
 				D0DC175424D00F0A00A75C65 /* AccessTokenEndpoint+Stubbing.swift */,
+				D04FD73824D4A7B4007D572D /* AccountEndpoint+Stubbing.swift */,
 				D0DC174924CFF15F00A75C65 /* AppAuthorizationEndpoint+Stubbing.swift */,
+				D04FD73B24D4A83A007D572D /* InstanceEndpoint+Stubbing.swift */,
 				D0DC175124D008E300A75C65 /* MastodonTarget+Stubbing.swift */,
 			);
 			path = "Mastodon API Stubs";
@@ -380,6 +403,7 @@
 		D0ED1BB224CE3A1600B4899C /* Development Assets */ = {
 			isa = PBXGroup;
 			children = (
+				D04FD74124D4AA34007D572D /* DevelopmentModels.swift */,
 				D0DC177624D0CF2600A75C65 /* FakeKeychain.swift */,
 				D0DC175724D0130800A75C65 /* HTTPStubs.swift */,
 				D0DC174824CFF13700A75C65 /* Mastodon API Stubs */,
@@ -426,6 +450,7 @@
 			packageProductDependencies = (
 				D0666A4824C6C1A300F3F04B /* GRDB */,
 				D0DC175E24D016EA00A75C65 /* Alamofire */,
+				D06B492224D4611300642749 /* KingfisherSwiftUI */,
 			);
 			productName = "Metatext (iOS)";
 			productReference = D047FA8C24C3E21200AF17C5 /* Metatext.app */;
@@ -448,6 +473,7 @@
 			packageProductDependencies = (
 				D0666A7C24C7745A00F3F04B /* GRDB */,
 				D0DC176024D0171800A75C65 /* Alamofire */,
+				D06B492424D4612400642749 /* KingfisherSwiftUI */,
 			);
 			productName = "Metatext (macOS)";
 			productReference = D047FA9424C3E21200AF17C5 /* Metatext.app */;
@@ -510,6 +536,7 @@
 				D0666A4724C6C1A300F3F04B /* XCRemoteSwiftPackageReference "GRDB" */,
 				D0DC175D24D016EA00A75C65 /* XCRemoteSwiftPackageReference "Alamofire" */,
 				D065F53724D37E5100741304 /* XCRemoteSwiftPackageReference "CombineExpectations" */,
+				D06B492124D4611300642749 /* XCRemoteSwiftPackageReference "Kingfisher" */,
 			);
 			productRefGroup = D047FA8D24C3E21200AF17C5 /* Products */;
 			projectDirPath = "";
@@ -592,6 +619,7 @@
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 			buildActionMask = 2147483647;
 			files = (
+				D04FD73924D4A7B4007D572D /* AccountEndpoint+Stubbing.swift in Sources */,
 				D0DB6F0924C65AC000D965FE /* AddIdentityViewModel.swift in Sources */,
 				D0ED1BD724CF94B200B4899C /* Application.swift in Sources */,
 				D047FAAE24C3E21200AF17C5 /* MetatextApp.swift in Sources */,
@@ -601,6 +629,7 @@
 				D0ED1BE324CFA84400B4899C /* MastodonError.swift in Sources */,
 				D0666A6324C6DC6C00F3F04B /* AppAuthorization.swift in Sources */,
 				D065F53B24D3B33A00741304 /* View+Extensions.swift in Sources */,
+				D04FD73324D48F37007D572D /* SettingsView.swift in Sources */,
 				D0DC174A24CFF15F00A75C65 /* AppAuthorizationEndpoint+Stubbing.swift in Sources */,
 				D0666A5A24C6C64100F3F04B /* MastodonEncoder.swift in Sources */,
 				D0666A5124C6C3BC00F3F04B /* Account.swift in Sources */,
@@ -618,6 +647,8 @@
 				D0666A4224C6BB7B00F3F04B /* IdentityDatabase.swift in Sources */,
 				D0BEC94A24CA231200E864C4 /* TimelineView.swift in Sources */,
 				D0BEC93B24C96FD500E864C4 /* ContentView.swift in Sources */,
+				D04FD73624D49506007D572D /* SettingsViewModel.swift in Sources */,
+				D04FD74224D4AA34007D572D /* DevelopmentModels.swift in Sources */,
 				D0DC175824D0130800A75C65 /* HTTPStubs.swift in Sources */,
 				D0DC177724D0CF2600A75C65 /* FakeKeychain.swift in Sources */,
 				D0C963FB24CC359D003BD330 /* AlertItem.swift in Sources */,
@@ -634,6 +665,7 @@
 				D0BEC95124CA2B7E00E864C4 /* TabNavigation.swift in Sources */,
 				D0ED1BC424CED54D00B4899C /* HTTPTarget.swift in Sources */,
 				D0C963FE24CC3812003BD330 /* Publisher+Extensions.swift in Sources */,
+				D04FD73C24D4A83A007D572D /* InstanceEndpoint+Stubbing.swift in Sources */,
 				D0DC175B24D0154F00A75C65 /* MastodonAPI.swift in Sources */,
 				D0ED1BD124CF779B00B4899C /* MastodonTarget.swift in Sources */,
 				D065F53E24D3D20300741304 /* InstanceEndpoint.swift in Sources */,
@@ -646,6 +678,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				D04FD73A24D4A7B4007D572D /* AccountEndpoint+Stubbing.swift in Sources */,
 				D0DB6F0A24C65AC000D965FE /* AddIdentityViewModel.swift in Sources */,
 				D0ED1BD824CF94B200B4899C /* Application.swift in Sources */,
 				D047FAAF24C3E21200AF17C5 /* MetatextApp.swift in Sources */,
@@ -655,6 +688,7 @@
 				D0ED1BE424CFA84400B4899C /* MastodonError.swift in Sources */,
 				D0666A6424C6DC6C00F3F04B /* AppAuthorization.swift in Sources */,
 				D065F53C24D3B33A00741304 /* View+Extensions.swift in Sources */,
+				D04FD73424D48F37007D572D /* SettingsView.swift in Sources */,
 				D0DC174B24CFF15F00A75C65 /* AppAuthorizationEndpoint+Stubbing.swift in Sources */,
 				D0666A5B24C6C64100F3F04B /* MastodonEncoder.swift in Sources */,
 				D0666A5224C6C3BC00F3F04B /* Account.swift in Sources */,
@@ -672,6 +706,8 @@
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 				D0BEC94B24CA231200E864C4 /* TimelineView.swift in Sources */,
 				D0BEC93C24C96FD500E864C4 /* ContentView.swift in Sources */,
+				D04FD73724D49506007D572D /* SettingsViewModel.swift in Sources */,
+				D04FD74324D4AA34007D572D /* DevelopmentModels.swift in Sources */,
 				D0DC175924D0130800A75C65 /* HTTPStubs.swift in Sources */,
 				D0DC177824D0CF2600A75C65 /* FakeKeychain.swift in Sources */,
 				D0C963FC24CC359D003BD330 /* AlertItem.swift in Sources */,
@@ -688,6 +724,7 @@
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 				D0ED1BC524CED54D00B4899C /* HTTPTarget.swift in Sources */,
 				D0C963FF24CC3812003BD330 /* Publisher+Extensions.swift in Sources */,
+				D04FD73D24D4A83A007D572D /* InstanceEndpoint+Stubbing.swift in Sources */,
 				D0DC175C24D0154F00A75C65 /* MastodonAPI.swift in Sources */,
 				D0ED1BD224CF779B00B4899C /* MastodonTarget.swift in Sources */,
 				D065F53F24D3D20300741304 /* InstanceEndpoint.swift in Sources */,
@@ -832,7 +869,7 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
 				CODE_SIGN_STYLE = Automatic;
-				DEVELOPMENT_ASSET_PATHS = "Development\\ Assets";
+				DEVELOPMENT_ASSET_PATHS = "Development\\ Assets Development\\ Assets/Mastodon\\ API\\ Stubs";
 				DEVELOPMENT_TEAM = 82HL67AXQ2;
 				ENABLE_PREVIEWS = YES;
 				INFOPLIST_FILE = iOS/Info.plist;
@@ -855,7 +892,7 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
 				CODE_SIGN_STYLE = Automatic;
-				DEVELOPMENT_ASSET_PATHS = "Development\\ Assets";
+				DEVELOPMENT_ASSET_PATHS = "Development\\ Assets Development\\ Assets/Mastodon\\ API\\ Stubs";
 				DEVELOPMENT_TEAM = 82HL67AXQ2;
 				ENABLE_PREVIEWS = YES;
 				INFOPLIST_FILE = iOS/Info.plist;
@@ -881,7 +918,7 @@
 				CODE_SIGN_ENTITLEMENTS = macOS/macOS.entitlements;
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				DEVELOPMENT_ASSET_PATHS = "Development\\ Assets";
+				DEVELOPMENT_ASSET_PATHS = "Development\\ Assets Development\\ Assets/Mastodon\\ API\\ Stubs";
 				DEVELOPMENT_TEAM = 82HL67AXQ2;
 				ENABLE_HARDENED_RUNTIME = YES;
 				ENABLE_PREVIEWS = YES;
@@ -906,7 +943,7 @@
 				CODE_SIGN_ENTITLEMENTS = macOS/macOS.entitlements;
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				DEVELOPMENT_ASSET_PATHS = "Development\\ Assets";
+				DEVELOPMENT_ASSET_PATHS = "Development\\ Assets Development\\ Assets/Mastodon\\ API\\ Stubs";
 				DEVELOPMENT_TEAM = 82HL67AXQ2;
 				ENABLE_HARDENED_RUNTIME = YES;
 				ENABLE_PREVIEWS = YES;
@@ -1029,6 +1066,14 @@
 				minimumVersion = "5.0.0-beta.10";
 			};
 		};
+		D06B492124D4611300642749 /* XCRemoteSwiftPackageReference "Kingfisher" */ = {
+			isa = XCRemoteSwiftPackageReference;
+			repositoryURL = "https://github.com/onevcat/Kingfisher";
+			requirement = {
+				kind = upToNextMajorVersion;
+				minimumVersion = 5.14.1;
+			};
+		};
 		D0DC175D24D016EA00A75C65 /* XCRemoteSwiftPackageReference "Alamofire" */ = {
 			isa = XCRemoteSwiftPackageReference;
 			repositoryURL = "https://github.com/Alamofire/Alamofire";
@@ -1055,6 +1100,16 @@
 			package = D0666A4724C6C1A300F3F04B /* XCRemoteSwiftPackageReference "GRDB" */;
 			productName = GRDB;
 		};
+		D06B492224D4611300642749 /* KingfisherSwiftUI */ = {
+			isa = XCSwiftPackageProductDependency;
+			package = D06B492124D4611300642749 /* XCRemoteSwiftPackageReference "Kingfisher" */;
+			productName = KingfisherSwiftUI;
+		};
+		D06B492424D4612400642749 /* KingfisherSwiftUI */ = {
+			isa = XCSwiftPackageProductDependency;
+			package = D06B492124D4611300642749 /* XCRemoteSwiftPackageReference "Kingfisher" */;
+			productName = KingfisherSwiftUI;
+		};
 		D0DC175E24D016EA00A75C65 /* Alamofire */ = {
 			isa = XCSwiftPackageProductDependency;
 			package = D0DC175D24D016EA00A75C65 /* XCRemoteSwiftPackageReference "Alamofire" */;

Metatext.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -27,6 +27,15 @@
           "revision": "ededd8668abd5a3c4c43cc9ebcfd611082b47f65",
           "version": "5.0.0-beta.10"
         }
+      },
+      {
+        "package": "Kingfisher",
+        "repositoryURL": "https://github.com/onevcat/Kingfisher",
+        "state": {
+          "branch": null,
+          "revision": "1339ebea9498ef6c3fc75cc195d7163d7c7167f9",
+          "version": "5.14.1"
+        }
       }
     ]
   },

Shared/Localizations/Localizable.strings

@@ -3,3 +3,4 @@
 "go" = "Go";
 "add-identity.instance-url" = "Instance URL";
 "oauth.error.code-not-found" = "OAuth error: code not found";
+"settings" = "Settings";

Shared/View Models/SceneViewModel.swift

@@ -20,6 +20,7 @@ class SceneViewModel: ObservableObject {
     }
 
     @Published var alertItem: AlertItem?
+    @Published var presentingSettings = false
     var selectedTopLevelNavigation: TopLevelNavigation? = .timelines
 
     private let networkClient: MastodonClient

Shared/View Models/SettingsViewModel.swift

@@ -0,0 +1,11 @@
+// Copyright © 2020 Metabolist. All rights reserved.
+
+import Foundation
+
+class SettingsViewModel: ObservableObject {
+    let identity: Identity
+
+    init(identity: Identity) {
+        self.identity = identity
+    }
+}

Shared/Views/AddIdentityView.swift

@@ -36,13 +36,15 @@ extension AddIdentityView {
     }
 }
 
+#if DEBUG
 struct AddAccountView_Previews: PreviewProvider {
     static var previews: some View {
         AddIdentityView(viewModel: AddIdentityViewModel(
-                            networkClient: MastodonClient(configuration: .stubbing),
+                            networkClient: MastodonClient.development,
                             // swiftlint:disable force_try
                             identityDatabase: try! IdentityDatabase(inMemory: true),
                             // swiftlint:enable force_try
                             secrets: Secrets(keychain: FakeKeychain())))
     }
 }
+#endif

Shared/Views/ContentView.swift

@@ -7,8 +7,8 @@ struct ContentView: View {
     @Environment(\.scenePhase) private var scenePhase
 
     var body: some View {
-        if sceneViewModel.identity != nil {
+        if let identity = sceneViewModel.identity {
-            mainNavigation
+            mainNavigation(identity: identity)
                 .onChange(of: scenePhase) {
                     if case .active = $0 {
                         sceneViewModel.refreshIdentity()
@@ -22,11 +22,11 @@ struct ContentView: View {
 }
 
 private extension ContentView {
-    private var mainNavigation: some View {
+    private func mainNavigation(identity: Identity) -> some View {
         #if os(macOS)
         return SidebarNavigation().frame(minWidth: 900, maxWidth: .infinity, minHeight: 500, maxHeight: .infinity)
         #else
-        return TabNavigation()
+        return TabNavigation(identity: identity)
         #endif
     }
 
@@ -35,8 +35,11 @@ private extension ContentView {
     }
 }
 
-//struct ContentView_Previews: PreviewProvider {
+#if DEBUG
-//    static var previews: some View {
+struct ContentView_Previews: PreviewProvider {
-//        ContentView()
+    static var previews: some View {
-//    }
+        ContentView()
-//}
+            .environmentObject(SceneViewModel.development)
+    }
+}
+#endif

Shared/Views/SettingsView.swift

@@ -0,0 +1,33 @@
+// Copyright © 2020 Metabolist. All rights reserved.
+
+import SwiftUI
+
+struct SettingsView: View {
+    @StateObject var viewModel: SettingsViewModel
+    @EnvironmentObject var sceneViewModel: SceneViewModel
+
+    var body: some View {
+        NavigationView {
+            Form {
+                Text(viewModel.identity.handle)
+            }
+                .navigationBarTitle(Text("settings"), displayMode: .inline)
+                .navigationBarItems(
+                    leading: Button {
+                        sceneViewModel.presentingSettings.toggle()
+                    } label: {
+                        Image(systemName: "xmark.circle.fill").imageScale(.large)
+                    })
+        }
+        .navigationViewStyle(StackNavigationViewStyle())
+    }
+}
+
+#if DEBUG
+struct SettingsView_Previews: PreviewProvider {
+    static var previews: some View {
+        SettingsView(viewModel: SettingsViewModel(identity: .development))
+            .environmentObject(SceneViewModel.development)
+    }
+}
+#endif

Shared/Views/TimelineView.swift

@@ -8,8 +8,10 @@ struct TimelineView: View {
     }
 }
 
+#if DEBUG
 struct TimelineView_Previews: PreviewProvider {
     static var previews: some View {
         TimelineView()
     }
 }
+#endif

iOS/TabNavigation.swift

@@ -1,8 +1,12 @@
 // Copyright © 2020 Metabolist. All rights reserved.
 
 import SwiftUI
+import KingfisherSwiftUI
+import struct Kingfisher.DownsamplingImageProcessor
+import struct Kingfisher.RoundCornerImageProcessor
 
 struct TabNavigation: View {
+    let identity: Identity
     @EnvironmentObject var sceneViewModel: SceneViewModel
 
     var body: some View {
@@ -11,6 +15,7 @@ struct TabNavigation: View {
                 NavigationView {
                     view(topLevelNavigation: topLevelNavigation)
                 }
+                .navigationViewStyle(StackNavigationViewStyle())
                 .tabItem {
                     Label(topLevelNavigation.title, systemImage: topLevelNavigation.systemImageName)
                         .accessibility(label: Text(topLevelNavigation.title))
@@ -18,6 +23,10 @@ struct TabNavigation: View {
                 .tag(topLevelNavigation)
             }
         }
+        .sheet(isPresented: $sceneViewModel.presentingSettings) {
+            SettingsView(viewModel: SettingsViewModel(identity: identity))
+                .environmentObject(sceneViewModel)
+        }
     }
 }
 
@@ -27,7 +36,24 @@ private extension TabNavigation {
             switch topLevelNavigation {
             case .timelines:
                 TimelineView()
-                    .navigationBarTitle(sceneViewModel.identity?.handle ?? "", displayMode: .inline)
+                    .navigationBarTitle(identity.handle, displayMode: .inline)
+                    .navigationBarItems(
+                        leading: Button {
+                            sceneViewModel.presentingSettings.toggle()
+                        } label: {
+                            KFImage(identity.account?.avatar
+                                        ?? identity.instance?.thumbnail,
+                                    options: [
+                                        .processor(
+                                            DownsamplingImageProcessor(size: CGSize(width: 28, height: 28))
+                                                .append(another: RoundCornerImageProcessor(radius: .widthFraction(0.5)))
+                                        ),
+                                        .scaleFactor(UIScreen.main.scale),
+                                        .cacheOriginalImage
+                                    ])
+                                .placeholder { Image(systemName: "gear") }
+                                .renderingMode(.original)
+                        })
             default: Text(topLevelNavigation.title)
             }
         }
@@ -36,8 +62,11 @@ private extension TabNavigation {
 
 // MARK: Preview
 
+#if DEBUG
 struct TabNavigation_Previews: PreviewProvider {
     static var previews: some View {
-        TabNavigation()
+        TabNavigation(identity: .development)
+            .environmentObject(SceneViewModel.development)
     }
 }
+#endif