初始化

ios/Runner/AppDelegate.swift

@@ -0,0 +1,32 @@
+import UIKit
+import Flutter
+import VideoToolbox
+
+@main
+@objc class AppDelegate: FlutterAppDelegate {
+  override func application(
+    _ application: UIApplication,
+    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
+  ) -> Bool {
+    GeneratedPluginRegistrant.register(with: self)
+
+    // H.265 硬解能力查询通道(复用 com.yinse/device)。VTIsHardwareDecodeSupported 天然是硬解判断，
+    // iOS11+ 且 A9(iPhone 6s)起为 true，旧机型返回 false → 回落 264。
+    if let controller = window?.rootViewController as? FlutterViewController {
+      let channel = FlutterMethodChannel(name: "com.yinse/device", binaryMessenger: controller.binaryMessenger)
+      channel.setMethodCallHandler { call, result in
+        if call.method == "isH265HardwareSupported" {
+          if #available(iOS 11.0, *) {
+            result(VTIsHardwareDecodeSupported(kCMVideoCodecType_HEVC))
+          } else {
+            result(false)
+          }
+        } else {
+          result(FlutterMethodNotImplemented)
+        }
+      }
+    }
+
+    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
+  }
+}