unity3d 获取logcat android

public static String GetSDPath() {
String sdPath = "";
try {
File sdDir = null;
boolean sdCardExist = Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED);// 判断sd卡是否存在
if (sdCardExist) {
sdDir = Environment.getExternalStorageDirectory();// 获取跟目录
}
sdPath = sdDir.toString();
} catch (Exception e) {

}
return sdPath;
}
public static String GetLogcat(boolean saveToFile, String fileName) {
String strLog = "";
try {
Process process = Runtime.getRuntime().exec("logcat  -d");
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(process.getInputStream()));
StringBuilder log = new StringBuilder();
String line = "";
while ((line = bufferedReader.readLine()) != null) {
log.append(line + "\n");
}
strLog = log.toString();
if (saveToFile) {
if (fileName == null || fileName.isEmpty()) {
fileName = "Logcat.txt";
}
FileOutputStream fos = null;
try {
String filePath = GetSDPath() + File.separator + fileName;
fos = new FileOutputStream(filePath);
byte[] byLog = strLog.getBytes();
fos.write(byLog, 0, byLog.length);
} catch (Exception e) {
} finally {
try {
if (null != fos) {
fos.close();
}
} catch (Exception e) {
}
}
}
} catch (Exception ex) {

}
return strLog;
}

public static void MakeDir(string directory)
{
try
{
string s = Path.GetDirectoryName(directory);
if (Directory.Exists(s))
{
return;
}
Directory.CreateDirectory(s);
}
catch (System.Exception ex)
{

}
}
public static void SaveLog(string filePath, string data)
{
try
{
string path = Path.GetDirectoryName(filePath);
if (false == Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
FileStream file = new FileStream(filePath, FileMode.Append);
StreamWriter sw = new StreamWriter(file);
sw.WriteLine(data);
sw.Flush();
sw.Close();
file.Close();
}
catch (System.Exception e)
{

}
}
// 如果saveToFile为true，则返回保存logcat文件的全路径
// 否则返回logcat字符串
public static string l(bool saveToFile)
{
string logCatOrFilePath = string.Empty;
#if UNITY_EDITOR
#elif UNITY_ANDROID
try
{
AndroidJavaClass androidUtile = new AndroidJavaClass("你的java类带包名的全名");
if (androidUtile != null)
{
string logCat = androidUtile.CallStatic<string>("GetLogcat", saveToFile, "");
if (!string.IsNullOrEmpty(logCat))
{
if (!saveToFile)
{
logCatOrFilePath = logCat;
}
else
{
try
{
string logDir = ResPathMgr.m_LocalPersistentPath + "log/";
MakeDir(logDir);
string nowDate = System.DateTime.Now.ToString();
nowDate = nowDate.Replace(":", "");
nowDate = nowDate.Replace(" ", "");
nowDate = nowDate.Replace("/", "");
nowDate = nowDate.Replace("\\", "");
string fileName = "Logcat.txt";
logCatOrFilePath = logDir + fileName;
SaveLog(logCatOrFilePath, nowDate + "\n" + logCat);
}
catch (System.Exception e1)
{

}
}
}
}

4000
}
catch (Exception e)
{
}
#elif UNITY_IPHONE
#endif
return logCatOrFilePath;
}