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fix(ios): adopt the UIScene life cycle (#16776)

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* fix(ios): adopt the UIScene life cycle

UIKit refuses to launch an app linked against the iOS 27 SDK that has
not adopted the UIScene life cycle: it traps in
_UIApplicationEvaluateRuntimeIssueForNoSceneLifecycleAdoption with
"UIScene life cycle is required for apps built with this SDK". 1.5.1
(69) is the first build made with Xcode 27.1, so it crashes at launch on
every iOS 27 device.

Flutter 3.24.5 has no FlutterSceneDelegate, so add a minimal one:

- Info.plist declares a single-scene manifest that loads Main.storyboard.
- SceneDelegate hands the storyboard window to AppDelegate when the
  scene connects. FlutterAppDelegate finds the engine for plugin
  registration through its window, which no longer exists in
  didFinishLaunching, so registration moves there.
- The launch URL now arrives in the scene connection options and later
  URLs in scene(_:openURLContexts:). Forward both to plugins through the
  app delegate callbacks uni_links listens on, so rustdesk:// links keep
  working on cold and warm start.

Verified on the iOS 27.1 simulator with a Flutter 3.24.5 app that has
the same Runner setup: the app launches, plugin channels respond, the
initial link and stream links arrive, and lifecycle states reach Dart.

Fixes #16766

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* fix(ios): drive the status bar from the view controller under UIScene

With UIViewControllerBasedStatusBarAppearance=false, Flutter 3.24.5 hides
and styles the status bar through the app-level UIApplication setters.
UIKit ignores those once the app uses the UIScene life cycle, so
SystemChrome.setEnabledSystemUIMode(manual, overlays: []) no longer hides
the status bar during a remote session.

Set the key to true so Flutter goes through FlutterViewController's
prefersStatusBarHidden / preferredStatusBarStyle instead. Checked on the
iOS 27.1 simulator in scene mode: hiding, showing again and the light
overlay style all take effect. The Dart side only uses SystemChrome, so
it does not depend on this key.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
RustDeskandClaude Opus 5.5 authored and GitHub committed 2026-10-31 10:11:24 +08:00
1 parent 33a154a5d7
commit 0d6265bb26
4 files changed
+60 -2
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flutter/ios/Runner.xcodeproj/project.pbxproj
+4
View File
@@ -10,6 +10,7 @@
1498D2341E8E89220040F4C2 /* GeneratedPluginRegistrant.m in Sources */ = {isa = PBXBuildFile; fileRef = 1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */; };
3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */ = {isa = PBXBuildFile; fileRef = 3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */; };
74858FAF1ED2DC5600515810 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 74858FAE1ED2DC5600515810 /* AppDelegate.swift */; };
5CE7AD012EB4000000A1B2C3 /* SceneDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5CE7AD002EB4000000A1B2C3 /* SceneDelegate.swift */; };
97C146FC1CF9000F007C117D /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FA1CF9000F007C117D /* Main.storyboard */; };
97C146FE1CF9000F007C117D /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FD1CF9000F007C117D /* Assets.xcassets */; };
97C147011CF9000F007C117D /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FF1CF9000F007C117D /* LaunchScreen.storyboard */; };
@@ -40,6 +41,7 @@
4151ACC476A12FDC49BC7860 /* Pods-Runner.profile.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.profile.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.profile.xcconfig"; sourceTree = "<group>"; };
74858FAD1ED2DC5600515810 /* Runner-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "Runner-Bridging-Header.h"; sourceTree = "<group>"; };
74858FAE1ED2DC5600515810 /* AppDelegate.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
5CE7AD002EB4000000A1B2C3 /* SceneDelegate.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = SceneDelegate.swift; sourceTree = "<group>"; };
7AFA3C8E1D35360C0083082E /* Release.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; name = Release.xcconfig; path = Flutter/Release.xcconfig; sourceTree = "<group>"; };
9740EEB21CF90195004384FC /* Debug.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = Debug.xcconfig; path = Flutter/Debug.xcconfig; sourceTree = "<group>"; };
9740EEB31CF90195004384FC /* Generated.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = Generated.xcconfig; path = Flutter/Generated.xcconfig; sourceTree = "<group>"; };
@@ -104,6 +106,7 @@
1498D2321E8E86230040F4C2 /* GeneratedPluginRegistrant.h */,
1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */,
74858FAE1ED2DC5600515810 /* AppDelegate.swift */,
5CE7AD002EB4000000A1B2C3 /* SceneDelegate.swift */,
74858FAD1ED2DC5600515810 /* Runner-Bridging-Header.h */,
);
path = Runner;
@@ -279,6 +282,7 @@
buildActionMask = 2147483647;
files = (
74858FAF1ED2DC5600515810 /* AppDelegate.swift in Sources */,
5CE7AD012EB4000000A1B2C3 /* SceneDelegate.swift in Sources */,
1498D2341E8E89220040F4C2 /* GeneratedPluginRegistrant.m in Sources */,
);
runOnlyForDeploymentPostprocessing = 0;
flutter/ios/Runner/AppDelegate.swift
+13 -1
View File
@@ -8,7 +8,6 @@ import AVFoundation
_ application: UIApplication,
didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
) -> Bool {
GeneratedPluginRegistrant.register(with: self)
do {
// Mix remote audio with other apps while still respecting silent mode.
try AVAudioSession.sharedInstance().setCategory(.ambient)
@@ -18,6 +17,19 @@ import AVFoundation
dummyMethodToEnforceBundling();
return super.application(application, didFinishLaunchingWithOptions: launchOptions)
}
// With the UIScene life cycle, the FlutterViewController only exists once the scene
// connects, and FlutterAppDelegate reaches its engine through `window`. A launch URL
// also arrives with the scene instead of in launchOptions, so forward it to plugins here.
func sceneWillConnect(window: UIWindow?, launchURL: URL?) {
self.window = window
GeneratedPluginRegistrant.register(with: self)
var launchOptions: [UIApplication.LaunchOptionsKey: Any] = [:]
if let launchURL = launchURL {
launchOptions[.url] = launchURL
}
_ = super.application(UIApplication.shared, didFinishLaunchingWithOptions: launchOptions)
}
public func dummyMethodToEnforceBundling() {
dummy_method_to_enforce_bundling();
flutter/ios/Runner/Info.plist
+22 -1
View File
@@ -47,6 +47,27 @@
<string>This app needs camera access to scan QR codes</string>
<key>NSPhotoLibraryUsageDescription</key>
<string>This app needs photo library access to get QR codes from image</string>
<key>UIApplicationSceneManifest</key>
<dict>
<key>UIApplicationSupportsMultipleScenes</key>
<false/>
<key>UISceneConfigurations</key>
<dict>
<key>UIWindowSceneSessionRoleApplication</key>
<array>
<dict>
<key>UISceneClassName</key>
<string>UIWindowScene</string>
<key>UISceneConfigurationName</key>
<string>Default Configuration</string>
<key>UISceneDelegateClassName</key>
<string>$(PRODUCT_MODULE_NAME).SceneDelegate</string>
<key>UISceneStoryboardFile</key>
<string>Main</string>
</dict>
</array>
</dict>
</dict>
<key>UIApplicationSupportsIndirectInputEvents</key>
<true/>
<key>UIFileSharingEnabled</key>
@@ -71,7 +92,7 @@
<key>UISupportsDocumentBrowser</key>
<true/>
<key>UIViewControllerBasedStatusBarAppearance</key>
<false/>
<true/>
<key>io.flutter.embedded_views_preview</key>
<true/>
</dict>
flutter/ios/Runner/SceneDelegate.swift
+21
View File
@@ -0,0 +1,21 @@
import UIKit
class SceneDelegate: UIResponder, UIWindowSceneDelegate {
var window: UIWindow?
func scene(
_ scene: UIScene,
willConnectTo session: UISceneSession,
options connectionOptions: UIScene.ConnectionOptions
) {
(UIApplication.shared.delegate as? AppDelegate)?.sceneWillConnect(
window: window, launchURL: connectionOptions.urlContexts.first?.url)
}
func scene(_ scene: UIScene, openURLContexts URLContexts: Set<UIOpenURLContext>) {
guard let appDelegate = UIApplication.shared.delegate as? AppDelegate else { return }
for context in URLContexts {
_ = appDelegate.application(UIApplication.shared, open: context.url, options: [:])
}
}
}