모바일에서 파일 입출력

public void writeStringToFile( string str, string filename )
{
#if !WEB_BUILD
string path = pathForDocumentsFile( filename );
FileStream file = new FileStream (path, FileMode.Create, FileAccess.Write);

StreamWriter sw = new StreamWriter( file );
sw.WriteLine( str );

sw.Close();
file.Close();
#endif 
}


public string readStringFromFile( string filename)//, int lineIndex )
{
#if !WEB_BUILD
string path = pathForDocumentsFile( filename );

if (File.Exists(path))
{
FileStream file = new FileStream (path, FileMode.Open, FileAccess.Read);
StreamReader sr = new StreamReader( file );

string str = null;
str = sr.ReadLine ();

sr.Close();
file.Close();

return str;
}

else
{
return null;
}
#else
return null;
#endif 
}

public string pathForDocumentsFile( string filename ) 
{ 
if (Application.platform == RuntimePlatform.IPhonePlayer)
{
string path = Application.dataPath.Substring( 0, Application.dataPath.Length - 5 );
path = path.Substring( 0, path.LastIndexOf( '/' ) );
return Path.Combine( Path.Combine( path, "Documents" ), filename );
}

else if(Application.platform == RuntimePlatform.Android)
{
string path = Application.persistentDataPath; 
path = path.Substring(0, path.LastIndexOf( '/' ) ); 
return Path.Combine (path, filename);
} 

else 
{
string path = Application.dataPath; 
path = path.Substring(0, path.LastIndexOf( '/' ) );
return Path.Combine (path, filename);
}
}

출처::http://blog.naver.com/nameisljk/110157303742

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