【需求】初始化前先请求权限

@@ -17,8 +17,15 @@ public class FlutterPushPlugin: NSObject, FlutterPlugin {
         case "init":
             print("init初始化")
             // 初始化
-            DispatchQueue.main.async {
-                UIApplication.shared.registerForRemoteNotifications()
+            UNUserNotificationCenter.current().requestAuthorization(options: [.alert, .sound, .badge]) { granted, _ in
+                if granted {
+                    print("有通知权限")
+                    DispatchQueue.main.async {
+                        UIApplication.shared.registerForRemoteNotifications()
+                    }
+                } else {
+                    print("无用通知权限")
+                }
             }
             result(true)
         case "checkPermission":