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How to read text files in Android assemblies for Unity?

I am having trouble reading text files stored in the StreamingAsset folder on my Android phone when I create a game as an .apk file.

I know for Android you need to use a different path to access the files with

"jar:file://" + Application.dataPath + "!/assets" + fileName;

and save it in the WWW class. I tried many ways but nothing works for me as I am completely lost right now. My code looks like this:

void Awake(){
    string filePath = "jar:file://" + Application.dataPath + "!/assets" + fileName;
    // Reads our text file and stores it in the array

    string[][] Level = readFile (filePath);
}

// Reads our level text file and stores the information in a jagged array, then returns that array
string[][] readFile(string file){
    WWW loadFile = new WWW (file);
    while (!loadFile.isDone) {}
    string text = System.IO.File.ReadAllText(loadFile.text);
    string[] lines = Regex.Split(text, "\r\n");
    int rows = lines.Length;

    string[][] levelBase = new string[rows][];
    for (int i = 0; i < lines.Length; i++)  {
        string[] stringsOfLine = Regex.Split(lines[i], " ");
        levelBase[i] = stringsOfLine;
    }
    return levelBase;
}
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2 answers


You can use a stream reader to do this:



    List<string> lines = new List<string>();
    using (StreamReader reader = new StreamReader("file.txt"))
    {
        string line;
        while ((line = reader.ReadLine()) != null)
        {
        lines.Add(line); 
        }
    }
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The line string text = System.IO.File.ReadAllText(loadFile.text);

is wrong:



  • loadFile.text

    already contains the content of the file you are trying to open with System.IO.File.ReadAllText

  • Also you cannot use method System.IO.File.ReadAllText

    to access file from StreamingAssets on Android.
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