Unity3D-安卓-debug输出到文件
发表于2018-09-03
本篇和大家分享下在安卓开发中debug输出到文件的实现，一起来看下吧。
using UnityEngine;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Text;
public class logdata
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public string output = "";
public string stack = "";
public static logdata Init(string o, string s)
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logdata log = new logdata();
log.output = o;
log.stack = s;
return log;
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public void Show(/*bool showstack*/)
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GUILayout.Label(output);
//if (showstack)
GUILayout.Label(stack);
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/// <summary>
/// 手机调试脚本
/// 本脚本挂在一个空对象或转换场景时不删除的对象即可
/// 错误和异常输出日记路径 Application.persistentDataPath
/// </summary>
public class ShowDebugInPhone : MonoBehaviour
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List<logdata> logDatas = new List<logdata>();//log链表
List<logdata> errorDatas = new List<logdata>();//错误和异常链表
List<logdata> warningDatas = new List<logdata>();//警告链表
static List<string> mWriteLogTxt = new List<string>();
static List<string> mWriteErrorTxt = new List<string>();
static List<string> mWriteWarningTxt = new List<string>();
Vector2 uiLog;
Vector2 uiError;
Vector2 uiWarning;
bool open = false;
bool showLog = false;
bool showError = false;
bool showWarning = false;
private string outpathLog;
private string outpathError;
private string outpathWarning;
void Start()
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//Application.persistentDataPath Unity中只有这个路径是既可以读也可以写的。
//Debug.Log(Application.persistentDataPath);
#if UNITY_EDITOR
outpathLog = Application.dataPath + "/StreamingAssets" + "/outLog.txt";
outpathError = Application.dataPath + "/StreamingAssets" + "/outLogError.txt";
outpathWarning = Application.dataPath + "/StreamingAssets" + "/outLogWarining.txt";
#elif UNITY_IPHONE
outpathLog = Application.dataPath +"/Raw"+"/outLog.txt";
outpathError = Application.dataPath +"/Raw"+"/outLogError.txt";
outpathWarning = Application.dataPath +"/Raw"+"/outLogWarining.txt";
#elif UNITY_ANDROID
outpathLog = Application.persistentDataPath + "/outLog.txt";
outpathError = Application.persistentDataPath + "/outLogError.txt";
outpathWarning = Application.persistentDataPath + "/outLogWarining.txt";
#endif
//每次启动客户端删除之前保存的Log
if (System.IO.File.Exists(outpathLog))
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File.Delete(outpathLog);
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if (System.IO.File.Exists(outpathError))
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File.Delete(outpathError);
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if (System.IO.File.Exists(outpathWarning))
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File.Delete(outpathWarning);
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//转换场景不删除
Application.DontDestroyOnLoad(gameObject);
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void OnEnable()
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//注册log监听
Application.RegisterLogCallback(HangleLog);
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void OnDisable()
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// Remove callback when object goes out of scope
//当对象超出范围，删除回调。
Application.RegisterLogCallback(null);
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void HangleLog(string logString, string stackTrace, LogType type)
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switch (type)
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case LogType.Log:
logDatas.Add(logdata.Init(logString, stackTrace));
mWriteLogTxt.Add(logString);
mWriteLogTxt.Add(stackTrace);
break;
case LogType.Error:
case LogType.Exception:
errorDatas.Add(logdata.Init(logString, stackTrace));
mWriteErrorTxt.Add(logString);
mWriteErrorTxt.Add(stackTrace);
break;
case LogType.Warning:
warningDatas.Add(logdata.Init(logString, stackTrace));
mWriteWarningTxt.Add(logString);
mWriteWarningTxt.Add(stackTrace);
break;
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void Update()
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//因为写入文件的操作必须在主线程中完成，所以在Update中才给你写入文件。
if (logDatas.Count > 0)
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string[] temp = mWriteLogTxt.ToArray();
foreach (string t in temp)
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using (StreamWriter writer = new StreamWriter(outpathLog, true, Encoding.UTF8))
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writer.WriteLine(t);
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mWriteLogTxt.Remove(t);
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if (errorDatas.Count > 0)
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string[] temp = mWriteErrorTxt.ToArray();
foreach (string t in temp)
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using (StreamWriter writer = new StreamWriter(outpathError, true, Encoding.UTF8))
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writer.WriteLine(t);
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mWriteErrorTxt.Remove(t);
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if (warningDatas.Count > 0)
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string[] temp = mWriteWarningTxt.ToArray();
foreach (string t in temp)
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using (StreamWriter writer = new StreamWriter(outpathWarning, true, Encoding.UTF8))
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writer.WriteLine(t);
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mWriteWarningTxt.Remove(t);
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void OnGUI()
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GUILayout.BeginHorizontal();
if (GUILayout.Button(">>Open", GUILayout.Height(150), GUILayout.Width(150)))
open = !open;
if (open)
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if (GUILayout.Button("清理", GUILayout.Height(150), GUILayout.Width(150)))
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logDatas = new List<logdata>();
errorDatas = new List<logdata>();
warningDatas = new List<logdata>();
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if (GUILayout.Button("显示log日志:" + showLog, GUILayout.Height(150), GUILayout.Width(200)))
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showLog = !showLog;
if (open == true)
open = !open;
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if (GUILayout.Button("显示error日志:" + showError, GUILayout.Height(150), GUILayout.Width(200)))
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showError = !showError;
if (open == true)
open = !open;
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if (GUILayout.Button("显示warning日志:" + showWarning, GUILayout.Height(150), GUILayout.Width(200)))
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showWarning = !showWarning;
if (open == true)
open = !open;
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GUILayout.EndHorizontal();
if (showLog)
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GUI.color = Color.white;
uiLog = GUILayout.BeginScrollView(uiLog);
foreach (var va in logDatas)
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va.Show();
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GUILayout.EndScrollView();
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if (showError)
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GUI.color = Color.red;
uiError = GUILayout.BeginScrollView(uiError);
foreach (var va in errorDatas)
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va.Show();
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GUILayout.EndScrollView();
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if (showWarning)
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GUI.color = Color.yellow;
uiWarning = GUILayout.BeginScrollView(uiWarning);
foreach (var va in warningDatas)
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va.Show();
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GUILayout.EndScrollView();
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来自：https://blog.csdn.net/u013108312/article/details/74961946