Multi Cloud Storage #

A Flutter plugin that provides a unified API for interacting with multiple cloud storage providers including Dropbox, Google Drive, and OneDrive.

Supported Platforms #

Installation #

Add the following to your pubspec.yaml file:

dependencies:
  multi_cloud_storage: ^your_version_here

Run:

flutter pub get

Cloud Providers Setup #

Dropbox #

1. Register Your App:
   • Visit Dropbox App Console.
   • Click "Create app".
   • Select Scoped access and appropriate access type (app folder or full Dropbox).
   • Generate access token for testing (user login doesn't work while app is Status: Development)
   • Obtain your App Key, App Secret and Access Token.
   • Set Redirect URI (OAuth), not required for mobile apps.

Android

Add this to /android/app/src/main/AndroidManifest.xml inside the application bloc and repolace YOUR_APP_KEY with the appKey:

        <!-- Add Dropbox Auth Activity -->
        <activity
            android:name="com.dropbox.core.android.AuthActivity"
            android:exported="true"
            android:launchMode="singleTask">
            <intent-filter>
                <action android:name="android.intent.action.VIEW" />
                <category android:name="android.intent.category.DEFAULT" />
                <category android:name="android.intent.category.BROWSABLE" />
                <data
                    android:scheme="db-YOUR_APP_KEY"  />
            </intent-filter>
        </activity>

Google Drive #

1. Setup Google Drive API:

   • Go to Google Cloud Console Credentials.
   • Create Credentials -> OAuth client ID. ()
   • Select "Android", "iOS", or "Web" based on your needs. (Make sure all data is correct for your app or else it won't work)

OneDrive #

1. Register Your App:

   • Go to Azure Portal App registration.
   • Click New registration.
   • For native apps set Redirect URI to https://login.microsoftonline.com/common/oauth2/nativeclient .
   • Obtain your Client ID.

Usage #

import 'package:multi_cloud_storage/multi_cloud_storage.dart';

void main() async {
   // Connect to GoogleDrive
   final googleDrive = await MultiCloudStorage.connectToGoogleDrive(); // App registration required: https://console.cloud.google.com/auth/overview?inv=1&invt=AbwVjA&project=serious-mariner-457313-i7

   // Upload a file
   final uploadedPath = await googleDrive.uploadFile(
      localPath: '/local/path/to/file.txt',
      remotePath: '/remote/path/file.txt',
   );
   print('Uploaded to: $uploadedPath');

   // List files in a folder
   final files = await googleDrive.listFiles(path: '/remote/path');
   for (final file in files) {
      print('Found file: ${file.name} (${file.path})');
   }

   // Download a file
   final localFile = await googleDrive.downloadFile(
      remotePath: '/remote/path/file.txt',
      localPath: '/local/path/downloaded.txt',
   );
   print('Downloaded to: $localFile');

   // Delete a file
   await googleDrive.deleteFile('/remote/path/file.txt');
   print('File deleted');
}

Features #

• Unified interface for multiple cloud storage providers.
• Upload, download, delete, and manage files.
• Create and list directories.
• Retrieve file metadata.

Contribution #

Feel free to submit pull requests and report issues.

License #

Distributed under the MIT License. See LICENSE for more information.