unity3d 获取使用内存大小（Android & ios）

Doris232 · 发表于 2022-5-11 18:55

获取的是应用在移动设备上面的实时允许是的进程使用内存大小和你直接在移动设备上查看进程的内存使用一模一样，绝对精确
C#

public static int GetUseMemory() {       int memory = -1;#if UNITY_ANDROID       try       {          AndroidJavaClass unityPlayer = new AndroidJavaClass("com.unity3d.player.UnityPlayer");          AndroidJavaObject currentActivity = unityPlayer.GetStatic<AndroidJavaObject>("currentActivity");          AndroidJavaClass unityPluginLoader = new AndroidJavaClass("java类全名");          float tempMemory = unityPluginLoader.CallStatic<float>("GetMemory", currentActivity);          memory = (int)tempMemory;       }       catch (System.Exception e)       {          ILog.Info("com.moba.unityplugin.AndroidUtile GetMemory: " + e.Message);       }#elif UNITY_IOS       memory = (int)_IOS_GetTaskUsedMemeory();#endif       return memory; }Android

public static float GetMemory(Activity currentActivity) {       float memory = -1;       try {          int pid = android.os.Process.myPid();          ActivityManager mActivityManager = (ActivityManager) currentActivity                   .getSystemService(Context.ACTIVITY_SERVICE);          Debug.MemoryInfo[] memoryInfoArray = mActivityManager.getProcessMemoryInfo(new int[] { pid });          memory = (float) memoryInfoArray[0].getTotalPrivateDirty() / 1024;       } catch (Exception e) {          if (Utile.isDebug())             Utile.LogError(e.toString());       }       return memory; }Ios

long _IOS_GetTaskUsedMemeory() {       task_basic_info_data_t taskInfo;       mach_msg_type_number_t infoCount = TASK_BASIC_INFO_COUNT;       kern_return_t kernReturn = task_info(mach_task_self(),                                           TASK_BASIC_INFO,                                           (task_info_t)&taskInfo,                                           &infoCount);       if (kernReturn == KERN_SUCCESS) {          long usedMemory = taskInfo.resident_size/1024.0/1024.0;          return usedMemory;       }       return 0; }

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