ar_tourism_flutter_unity/unity/VRProject2/Assets/zhl/AR/ARManager.cs

using UnityEngine;
using easyar;
using FlutterUnityIntegration;

public class ARManager : MonoBehaviour
{
    private void Start()
    {
        // Unity场景加载完成后通知Flutter
        SendMessageToFlutter("UNITY_READY");
    }

    // 处理来自Flutter的消息
    public void HandleMessage(string message)
    {
        // 可以根据需要处理来自Flutter的特定指令
        SendMessageToFlutter($"RECEIVED:{message}");
        Debug.Log(message);
    }

    // 处理应用程序暂停/恢复
    public void OnAppPause(string isPaused)
    {
        bool pause = isPaused.ToLower() == "true";
        if (pause)
        {
            // 应用进入后台时的处理
            SendMessageToFlutter("AR_PAUSED");
        }
        else
        {
            // 应用恢复前台时的处理
            SendMessageToFlutter("AR_RESUMED");
        }
    }

    private void SendMessageToFlutter(string message)
    {
#if UNITY_ANDROID || UNITY_IOS
        UnityMessageManager.Instance.SendMessageToFlutter(message);
#endif
    }

    private void OnDestroy()
    {
        SendMessageToFlutter("AR_DESTROYED");
    }
}