383 lines
14 KiB
C#
383 lines
14 KiB
C#
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using UnityEngine;
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using System;
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/// <summary>
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/// Android平台数据导出权限管理器
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/// 处理Android平台导出数据所需的存储权限
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/// </summary>
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public static class AndroidExportPermissionManager
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{
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/// <summary>
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/// 检查是否有外部存储写入权限
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/// </summary>
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public static bool HasWriteExternalStoragePermission()
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{
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#if UNITY_ANDROID && !UNITY_EDITOR
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try
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{
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using (var unityClass = new AndroidJavaClass("com.unity3d.player.UnityPlayer"))
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using (var currentActivity = unityClass.GetStatic<AndroidJavaObject>("currentActivity"))
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using (var context = currentActivity.Call<AndroidJavaObject>("getApplicationContext"))
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{
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var permissionClass = new AndroidJavaClass("android.Manifest$permission");
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string writePermission = permissionClass.GetStatic<string>("WRITE_EXTERNAL_STORAGE");
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var contextCompat = new AndroidJavaClass("androidx.core.content.ContextCompat");
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int result = contextCompat.CallStatic<int>("checkSelfPermission", context, writePermission);
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return result == 0; // PackageManager.PERMISSION_GRANTED = 0
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}
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}
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catch (Exception ex)
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{
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Debug.LogError($"检查存储权限失败: {ex.Message}");
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return false;
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}
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#else
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return true; // 非Android平台默认有权限
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#endif
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}
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/// <summary>
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/// 请求外部存储写入权限
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/// </summary>
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public static void RequestWriteExternalStoragePermission()
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{
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#if UNITY_ANDROID && !UNITY_EDITOR
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try
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{
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using (var unityClass = new AndroidJavaClass("com.unity3d.player.UnityPlayer"))
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using (var currentActivity = unityClass.GetStatic<AndroidJavaObject>("currentActivity"))
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{
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var permissionClass = new AndroidJavaClass("android.Manifest$permission");
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string writePermission = permissionClass.GetStatic<string>("WRITE_EXTERNAL_STORAGE");
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// 检查是否需要显示权限说明
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var activityCompat = new AndroidJavaClass("androidx.core.app.ActivityCompat");
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bool shouldShow = activityCompat.CallStatic<bool>("shouldShowRequestPermissionRationale",
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currentActivity, writePermission);
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if (shouldShow)
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{
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ShowPermissionRationale();
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}
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// 请求权限
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string[] permissions = { writePermission };
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activityCompat.CallStatic("requestPermissions", currentActivity, permissions, 1001);
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Debug.Log("已请求存储权限");
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}
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}
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catch (Exception ex)
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{
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Debug.LogError($"请求存储权限失败: {ex.Message}");
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}
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#endif
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}
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/// <summary>
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/// 检查是否有管理外部存储权限（Android 11+）
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/// </summary>
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public static bool HasManageExternalStoragePermission()
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{
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#if UNITY_ANDROID && !UNITY_EDITOR
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try
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{
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// Android 11 (API 30) 及以上需要MANAGE_EXTERNAL_STORAGE权限
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var buildVersion = new AndroidJavaClass("android.os.Build$VERSION");
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int sdkInt = buildVersion.GetStatic<int>("SDK_INT");
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if (sdkInt >= 30) // Android 11+
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{
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var environment = new AndroidJavaClass("android.os.Environment");
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return environment.CallStatic<bool>("isExternalStorageManager");
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}
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else
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{
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// Android 10及以下使用传统权限
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return HasWriteExternalStoragePermission();
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}
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}
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catch (Exception ex)
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{
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Debug.LogError($"检查管理外部存储权限失败: {ex.Message}");
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return false;
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}
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#else
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return true;
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#endif
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}
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/// <summary>
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/// 请求管理外部存储权限（Android 11+）
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/// </summary>
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public static void RequestManageExternalStoragePermission()
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{
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#if UNITY_ANDROID && !UNITY_EDITOR
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try
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{
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var buildVersion = new AndroidJavaClass("android.os.Build$VERSION");
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int sdkInt = buildVersion.GetStatic<int>("SDK_INT");
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if (sdkInt >= 30) // Android 11+
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{
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using (var unityClass = new AndroidJavaClass("com.unity3d.player.UnityPlayer"))
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using (var currentActivity = unityClass.GetStatic<AndroidJavaObject>("currentActivity"))
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{
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var intent = new AndroidJavaObject("android.content.Intent");
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intent.Call<AndroidJavaObject>("setAction", "android.settings.MANAGE_APP_ALL_FILES_ACCESS_PERMISSION");
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var uri = new AndroidJavaClass("android.net.Uri");
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var packageUri = uri.CallStatic<AndroidJavaObject>("parse",
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"package:" + currentActivity.Call<string>("getPackageName"));
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intent.Call<AndroidJavaObject>("setData", packageUri);
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currentActivity.Call("startActivity", intent);
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Debug.Log("已打开管理外部存储权限设置页面");
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}
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}
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else
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{
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// Android 10及以下使用传统权限请求
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RequestWriteExternalStoragePermission();
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}
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}
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catch (Exception ex)
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{
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Debug.LogError($"请求管理外部存储权限失败: {ex.Message}");
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}
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#endif
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}
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/// <summary>
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/// 获取推荐的导出目录
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/// </summary>
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public static string GetRecommendedExportDirectory()
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{
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#if UNITY_ANDROID && !UNITY_EDITOR
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try
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{
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using (var unityClass = new AndroidJavaClass("com.unity3d.player.UnityPlayer"))
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using (var currentActivity = unityClass.GetStatic<AndroidJavaObject>("currentActivity"))
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{
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var buildVersion = new AndroidJavaClass("android.os.Build$VERSION");
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int sdkInt = buildVersion.GetStatic<int>("SDK_INT");
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if (sdkInt >= 29) // Android 10+，使用分区存储
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{
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// 使用应用专用目录，无需权限
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var context = currentActivity.Call<AndroidJavaObject>("getApplicationContext");
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var externalFilesDir = context.Call<AndroidJavaObject>("getExternalFilesDir", "Documents");
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if (externalFilesDir != null)
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{
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return externalFilesDir.Call<string>("getAbsolutePath");
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}
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else
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{
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return Application.persistentDataPath;
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}
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}
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else
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{
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// Android 9及以下，使用公共目录
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var environment = new AndroidJavaClass("android.os.Environment");
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var externalStorage = environment.CallStatic<AndroidJavaObject>("getExternalStorageDirectory");
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string storagePath = externalStorage.Call<string>("getAbsolutePath");
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return System.IO.Path.Combine(storagePath, "Download", "DCX_Export");
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}
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}
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}
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catch (Exception ex)
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{
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Debug.LogError($"获取导出目录失败: {ex.Message}");
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return Application.persistentDataPath;
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}
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#else
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return System.IO.Path.Combine(System.Environment.GetFolderPath(
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System.Environment.SpecialFolder.Desktop), "DCX_Export");
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#endif
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}
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/// <summary>
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/// 获取应用内部稳定目录。Android 7+优先使用Device Protected Storage，
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/// 可在系统刚启动且用户未解锁时访问，适合作为历史索引主存储。
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/// </summary>
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public static string GetStableAppInternalDirectory()
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{
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#if UNITY_ANDROID && !UNITY_EDITOR
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try
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{
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using (var unityClass = new AndroidJavaClass("com.unity3d.player.UnityPlayer"))
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using (var currentActivity = unityClass.GetStatic<AndroidJavaObject>("currentActivity"))
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{
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var context = currentActivity.Call<AndroidJavaObject>("getApplicationContext");
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try
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{
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using (var buildVersion = new AndroidJavaClass("android.os.Build$VERSION"))
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{
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int sdkInt = buildVersion.GetStatic<int>("SDK_INT");
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if (sdkInt >= 24)
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{
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var deviceProtectedContext = context.Call<AndroidJavaObject>("createDeviceProtectedStorageContext");
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if (deviceProtectedContext != null)
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{
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var deviceProtectedDir = deviceProtectedContext.Call<AndroidJavaObject>("getFilesDir");
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if (deviceProtectedDir != null)
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{
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return deviceProtectedDir.Call<string>("getAbsolutePath");
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}
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}
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}
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}
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}
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catch (Exception ex)
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{
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Debug.LogWarning($"获取Device Protected Storage失败，回退内部目录: {ex.Message}");
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}
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var filesDir = context.Call<AndroidJavaObject>("getFilesDir");
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if (filesDir != null)
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{
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return filesDir.Call<string>("getAbsolutePath");
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}
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}
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}
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catch (Exception ex)
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{
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Debug.LogWarning($"获取应用内部稳定目录失败: {ex.Message}");
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}
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return Application.persistentDataPath;
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#else
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return Application.persistentDataPath;
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#endif
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}
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/// <summary>
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/// 检查导出目录是否可访问
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/// </summary>
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public static bool IsExportDirectoryAccessible(string directory)
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{
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try
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{
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if (!System.IO.Directory.Exists(directory))
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{
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System.IO.Directory.CreateDirectory(directory);
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}
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// 尝试写入测试文件
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string testFile = System.IO.Path.Combine(directory, "test.txt");
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System.IO.File.WriteAllText(testFile, "test");
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if (System.IO.File.Exists(testFile))
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{
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System.IO.File.Delete(testFile);
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return true;
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}
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return false;
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}
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catch (Exception ex)
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{
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Debug.LogWarning($"目录访问测试失败: {ex.Message}");
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return false;
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}
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}
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/// <summary>
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/// 显示权限说明
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/// </summary>
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private static void ShowPermissionRationale()
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{
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string message = "数据导出功能需要存储权限来保存文件到设备存储空间。\n\n" +
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"请在弹出的权限请求中选择'允许'，以便：\n" +
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"• 导出BFI测试报告\n" +
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"• 保存折线图图片\n" +
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"• 导出历史数据";
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Debug.Log($"权限说明: {message}");
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// 在实际应用中，这里应该显示一个用户友好的对话框
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}
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/// <summary>
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/// 获取存储权限状态说明
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/// </summary>
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public static string GetPermissionStatusDescription()
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{
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#if UNITY_ANDROID && !UNITY_EDITOR
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var buildVersion = new AndroidJavaClass("android.os.Build$VERSION");
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int sdkInt = buildVersion.GetStatic<int>("SDK_INT");
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if (sdkInt >= 30) // Android 11+
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{
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bool hasPermission = HasManageExternalStoragePermission();
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if (hasPermission)
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{
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return "✓ 已获得管理外部存储权限，可以导出数据到任何位置";
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}
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else
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{
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return "⚠ 需要管理外部存储权限才能导出数据到公共目录";
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}
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}
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else if (sdkInt >= 23) // Android 6.0+
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{
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bool hasPermission = HasWriteExternalStoragePermission();
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if (hasPermission)
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{
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return "✓ 已获得存储权限，可以导出数据";
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}
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else
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{
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return "⚠ 需要存储权限才能导出数据";
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}
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}
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else
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{
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return "✓ 系统版本较低，无需额外权限";
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}
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#else
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return "✓ 当前平台无权限限制";
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#endif
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}
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/// <summary>
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|||
|
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/// 处理权限请求结果
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|||
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/// </summary>
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|||
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public static void HandlePermissionResult(string permission, bool granted)
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|||
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{
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if (permission.Contains("WRITE_EXTERNAL_STORAGE"))
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{
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if (granted)
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{
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Debug.Log("存储权限已获得，可以开始导出数据");
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}
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|||
|
|
else
|
|||
|
|
{
|
|||
|
|
Debug.LogWarning("存储权限被拒绝，数据导出功能将受限");
|
|||
|
|
ShowPermissionDeniedGuidance();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 显示权限被拒绝时的指导
|
|||
|
|
/// </summary>
|
|||
|
|
private static void ShowPermissionDeniedGuidance()
|
|||
|
|
{
|
|||
|
|
string message = "存储权限被拒绝，您仍然可以：\n\n" +
|
|||
|
|
"1. 使用应用内部存储（容量有限）\n" +
|
|||
|
|
"2. 通过分享功能发送数据\n" +
|
|||
|
|
"3. 前往设置手动开启存储权限\n\n" +
|
|||
|
|
"建议开启权限以获得完整的导出功能。";
|
|||
|
|
|
|||
|
|
Debug.Log($"权限拒绝指导: {message}");
|
|||
|
|
}
|
|||
|
|
}
|