89 lines
2.1 KiB
Dart
89 lines
2.1 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'unity_controller.dart';
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/// Unity视图的Flutter封装
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class UnityWidget extends StatefulWidget {
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/// 默认场景名称
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final String defaultScene;
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/// Unity视图加载完成回调
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final Function? onUnityViewCreated;
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/// Unity消息回调
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final Function(String)? onUnityMessage;
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/// 构造函数
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const UnityWidget({
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Key? key,
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required this.defaultScene,
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this.onUnityViewCreated,
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this.onUnityMessage,
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}) : super(key: key);
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@override
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State<UnityWidget> createState() => _UnityWidgetState();
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}
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class _UnityWidgetState extends State<UnityWidget> {
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// Unity控制器
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final UnityController _unityController = UnityController();
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// 是否正在加载
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bool _isLoading = true;
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@override
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void initState() {
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super.initState();
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// 加载默认场景
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_loadDefaultScene();
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}
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// 加载默认场景
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Future<void> _loadDefaultScene() async {
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setState(() {
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_isLoading = true;
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});
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try {
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// 打开Unity默认场景
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await _unityController.openUnityScene(widget.defaultScene);
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// 通知视图创建完成
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if (widget.onUnityViewCreated != null) {
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widget.onUnityViewCreated!();
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}
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} catch (e) {
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print('加载Unity场景失败: $e');
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} finally {
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setState(() {
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_isLoading = false;
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});
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}
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}
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@override
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Widget build(BuildContext context) {
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// 根据平台返回不同的视图
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if (Theme.of(context).platform == TargetPlatform.iOS) {
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return _isLoading
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? const Center(child: CircularProgressIndicator())
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: const UiKitView(
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viewType: 'com.yourcompany.unity_flutter/unityview',
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creationParamsCodec: StandardMessageCodec(),
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);
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} else {
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// 如果不是iOS平台，显示提示信息
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return const Center(
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child: Text('此平台不支持Unity视图，请在iOS设备上运行。'),
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);
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}
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}
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@override
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void dispose() {
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// 关闭Unity视图
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_unityController.closeUnity();
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super.dispose();
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}
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} |