ios full screen

ios/OralTrainer/Views/FullscreenPlayerView.swift

@@ -9,6 +9,29 @@ struct FullscreenPlayerView: View {
     @State private var explanationSentence: SentenceBoundary?
 
     var body: some View {
+        GeometryReader { proxy in
+            let fakeLandscape = proxy.size.height > proxy.size.width
+            playerChrome
+                .frame(
+                    width: fakeLandscape ? proxy.size.height : proxy.size.width,
+                    height: fakeLandscape ? proxy.size.width : proxy.size.height
+                )
+                .rotationEffect(.degrees(fakeLandscape ? -90 : 0))
+                .frame(width: proxy.size.width, height: proxy.size.height)
+        }
+        .background(Color.black)
+        .ignoresSafeArea()
+        .statusBarHidden(true)
+        .sheet(item: $explanationSentence) { sentence in
+            SentenceExplanationSheet(
+                mediaId: controller.currentItem?.id ?? "",
+                courseTitle: controller.currentItem?.title ?? "口语训练课程",
+                sentence: sentence
+            )
+        }
+    }
+
+    private var playerChrome: some View {
         ZStack {
             Color.black.ignoresSafeArea()
             PlayerSurfaceView(controller: controller) { isSwipeUp in
@@ -95,13 +118,6 @@ struct FullscreenPlayerView: View {
             }
             .padding(16)
         }
-        .sheet(item: $explanationSentence) { sentence in
-            SentenceExplanationSheet(
-                mediaId: controller.currentItem?.id ?? "",
-                courseTitle: controller.currentItem?.title ?? "口语训练课程",
-                sentence: sentence
-            )
-        }
     }
 
     @State private var progressDragging = false

ios/OralTrainer/Views/RootView.swift

@@ -115,7 +115,9 @@ struct RootView: View {
             FullscreenPlayerView(controller: controller) {
                 exitFullscreen()
             }
-            .onAppear(perform: enterFullscreen)
+            .onAppear {
+                AppDelegate.lockOrientation(.landscape)
+            }
         }
     }
 
@@ -519,26 +521,14 @@ struct RootView: View {
     // MARK: - Fullscreen
 
     private func enterFullscreen() {
-        AppDelegate.orientationLock = UIDevice.current.userInterfaceIdiom == .pad ? .all : .landscape
-        updateSupportedInterfaceOrientations()
+        AppDelegate.lockOrientation(.landscape)
         showFullscreenPlayer = true
     }
 
     private func exitFullscreen() {
-        AppDelegate.orientationLock = UIDevice.current.userInterfaceIdiom == .pad ? .all : .portrait
-        updateSupportedInterfaceOrientations()
+        let restored: UIInterfaceOrientationMask =
+            UIDevice.current.userInterfaceIdiom == .pad ? .all : .portrait
+        AppDelegate.lockOrientation(restored)
         showFullscreenPlayer = false
     }
-
-    private func updateSupportedInterfaceOrientations() {
-        let scenes = UIApplication.shared.connectedScenes.compactMap { $0 as? UIWindowScene }
-        let controllers = scenes.flatMap { $0.windows }.compactMap(\.rootViewController)
-        for controller in controllers {
-            if #available(iOS 16.0, *) {
-                controller.setNeedsUpdateOfSupportedInterfaceOrientations()
-            } else {
-                UIViewController.attemptRotationToDeviceOrientation()
-            }
-        }
-    }
 }