Unity3D研究院之IOS&Android收集Log文件（六十二）

using UnityEngine;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Text;

public class OutLog : MonoBehaviour 
{
	static List<string> mLines = new List<string>();
	static List<string> mWriteTxt = new List<string>();
	private string outpath;
	void Start () {
		//Application.persistentDataPath Unity中只有这个路径是既可以读也可以写的。
		outpath = Application.persistentDataPath + "/outLog.txt";
		//每次启动客户端删除之前保存的Log
		if (System.IO.File.Exists (outpath)) {
			File.Delete (outpath);
		}
		//在这里做一个Log的监听
		Application.RegisterLogCallback(HandleLog);
		//一个输出
		Debug.Log("xuanyusong");
	}

	void Update () 
	{
		//因为写入文件的操作必须在主线程中完成，所以在Update中哦给你写入文件。
		if(mWriteTxt.Count > 0)
		{
			string[] temp = mWriteTxt.ToArray();
			foreach(string t in temp)
			{
				using(StreamWriter writer = new StreamWriter(outpath, true, Encoding.UTF8))
				{
					writer.WriteLine(t);
				}
				mWriteTxt.Remove(t);
			}
		}
	}

	void HandleLog(string logString, string stackTrace, LogType type)
	{
		mWriteTxt.Add(logString);
		if (type == LogType.Error || type == LogType.Exception) 
		{
			Log(logString);
			Log(stackTrace);
		}
	}

  //这里我把错误的信息保存起来，用来输出在手机屏幕上
	static public void Log (params object[] objs)
	{
		string text = "";
		for (int i = 0; i < objs.Length; ++i)
		{
			if (i == 0)
			{
				text += objs[i].ToString();
			}
			else
			{
				text += ", " + objs[i].ToString();
			}
		}
		if (Application.isPlaying)
		{
			if (mLines.Count > 20) 
			{
				mLines.RemoveAt(0);
			}
			mLines.Add(text);

		}
	}

	void OnGUI()
	{
		GUI.color = Color.red;
		for (int i = 0, imax = mLines.Count; i < imax; ++i)
		{
			GUILayout.Label(mLines[i]);
		}
	}
}

	void Start () {
		int []test = new int[1];
		test[2] = 0;
	}