Google Drive for Unity3D

Introduction

Google Drive for Unity3D plugin.

You can upload files, explore, download on the Google Drive storage.

This plugin supports PC(Windows and Mac), Android and iOS.

Google Drive supports 'App Data' that is only accessible by your application. See https://developers.google.com/drive/appdata

Installation

Step 1: Enable the Google Drive API.

PC and iOS: https://developers.google.com/drive/quickstart-ios (Step 1)
Android: https://developers.google.com/drive/quickstart-android (Step 1, 2)

Step 2: Type Your Client ID and Secret to DriveTest.cs.

In the line 40:

drive.ClientID = "YOUR CLIENT ID";
drive.ClientSecret = "YOUR CLIENT SECRET";

PC and iOS can use same Client ID and secret.
Android doesn't need Client ID and secret.

Step 3: Run the Sample Scene 'DriveTest'.

All done!

Doxygen Docs

here

Demo Downloads

Windows Binary: unitydrivetest_win.zip
Android APK: unitydrivetest.apk

Sample Code

var drive = new GoogleDrive();
drive.ClientID = "YOUR CLIENT ID";
drive.ClientSecret = "YOUR CLIENT SECRET";

// Request authorization.
var authorization = drive.Authorize();
yield return StartCoroutine(authorization);

if (authorization.Current is Exception)
{
   Debug.LogWarning(authorization.Current as Exception);
   yield break;
}

// Authorization succeeded.
Debug.Log("User Account: " + drive.UserAccount);

// Upload a text file.
var bytes = Encoding.UTF8.GetBytes("world!");
yield return StartCoroutine(drive.UploadFile("hello.txt", "text/plain", bytes));

// Get all files.
var listFiles = drive.ListAllFiles();
yield return StartCoroutine(listFiles);

var files = GoogleDrive.GetResult<List<GoogleDrive.File>>(listFiles);
if (files != null)
{
   foreach (var file in files)
   {
       // Download a text file and print.
       if (file.Title.EndsWith(".txt"))
       {
           var download = drive.DownloadFile(file);
           yield return StartCoroutine(download);
           
           var data = GoogleDrive.GetResult<byte[]>(download);
           Debug.Log(System.Text.Encoding.UTF8.GetString(data));
       }
   }
}

Work with 'App Data':

// Upload score in 'AppData'.
int score = 10000;
var bytes = Encoding.UTF8.GetBytes(score.ToString());

// User cannot see 'score.txt'. Only your app can see this file.
StartCoroutine(drive.UploadFile("score.txt", "text/plain", drive.AppData, bytes));

License

Apache License 2.0

sandcastle/unity-googledrive