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Astonsoft Google Drive Delphi Component 3.01: A Review




Google Drive is one of the most popular cloud storage services that allows you to store, share, and access your files from anywhere. If you are a Delphi developer who wants to integrate Google Drive functionality into your applications, you might be interested in Astonsoft Google Drive Delphi Component 3.01. This is a non-visual component that allows you to work with Google Drive (including Documents) using Delphi. In this article, we will review this component and show you how to use it for different tasks.




Astonsoft Google Drive Delphi Component 3.01



What is Astonsoft Google Drive Delphi Component?




Astonsoft Google Drive Delphi Component is a product developed by Astonsoft, a company that specializes in information management tools and cloud-based solutions. The component is part of a set of components that allow you to exchange data with various cloud services, such as Dropbox, iCloud, OneDrive, etc.


The component supports Delphi 7 and higher versions and works directly with Google using the official API. This means that it guarantees maximum compatibility and fewest possible modifications to future versions. The component also supports Unicode and HTTPS.


Features and benefits of using the component




With Astonsoft Google Drive Delphi Component, you can perform various operations on Google Drive, such as:


  • Create and edit folders



  • Upload, update, and download files in different formats



  • Move and copy files between folders



  • Rename and delete files and folders



  • Work with shared items and export documents



Some of the benefits of using the component are:


  • You can access Google Drive without opening a browser or installing any software



  • You can use the same code for different platforms (Windows, Linux, macOS, Android, iOS)



  • You can customize the component according to your needs and preferences



  • You can save time and resources by using a ready-made solution



Requirements and compatibility of the component




To use Astonsoft Google Drive Delphi Component, you need to have:


  • A valid license for the component (you can purchase it from the official website or get a free trial version)



  • A Google account with access to Google Drive



  • A project created in the Google Developers Console with the Drive API enabled



  • An OAuth 2.0 client ID and secret for your project (you can obtain them from the Google Drive API documentation)



  • A Delphi IDE (version 7 or higher) with Internet components installed (such as Indy or Synapse)



The component is compatible with:


  • Windows XP or higher (32-bit or 64-bit)



  • Linux (64-bit only)



  • macOS (64-bit only)



  • Android (32-bit or 64-bit)



  • iOS (32-bit or 64-bit)



How to use Astonsoft Google Drive Delphi Component?




To use Astonsoft Google Drive Delphi Component, you need to follow these steps:


Installation Installation and configuration of the component




To install the component, you need to download the latest version from the official website and unzip the archive. You will find two folders: Source and Packages. The Source folder contains the source code of the component, which you can modify if you want. The Packages folder contains the compiled packages for different Delphi versions and platforms.


To install the package for your Delphi version and platform, you need to open the corresponding .dpk file in your Delphi IDE and click on Install. This will add the component to the Internet category of the Component Palette. You can also compile the package manually by using the command line or a batch file.


To configure the component, you need to drag and drop it from the Component Palette to your form or data module. Then, you need to set some properties of the component, such as:


  • ClientID: The OAuth 2.0 client ID for your project



  • ClientSecret: The OAuth 2.0 client secret for your project



  • RedirectURL: The URL that Google will redirect to after the user grants or denies access to your application (it can be any valid URL, such as http://localhost)



  • Scopes: The scopes of access that your application requests from Google (such as https://www.googleapis.com/auth/drive or https://www.googleapis.com/auth/drive.file)



You can also set some optional properties, such as:


  • AppName: The name of your application that will be displayed to the user when requesting access



  • ProxyServer: The address of a proxy server to use for connecting to Google (if needed)



  • ProxyPort: The port number of a proxy server to use for connecting to Google (if needed)



  • ProxyUsername: The username for authenticating with a proxy server (if needed)



  • ProxyPassword: The password for authenticating with a proxy server (if needed)



Examples of using the component for different tasks




In this section, we will show you some examples of how to use the component for different tasks. We assume that you have already installed and configured the component as described above.


Creating and editing folders




To create a new folder on Google Drive, you can use the CreateFolder method of the component. This method takes two parameters: ParentID and FolderName. ParentID is the ID of the parent folder where you want to create the new folder (you can use 'root' for the root folder). FolderName is the name of the new folder. The method returns the ID of the created folder.


For example, to create a folder named 'Test' in the root folder, you can use this code:



var FolderID: string; begin FolderID := GDrive.CreateFolder('root', 'Test'); ShowMessage('Folder created with ID: ' + FolderID); end;


To edit an existing folder on Google Drive, you can use the UpdateFolder method of the component. This method takes three parameters: FolderID, NewParentID, and NewFolderName. FolderID is the ID of the folder that you want to edit. NewParentID is the ID of the new parent folder where you want to move the folder (you can use 'root' for the root folder or leave it blank to keep it in the same location). NewFolderName is the new name of the folder (you can leave it blank to keep it unchanged). The method returns True if successful or False otherwise.


For example, to rename a folder with ID '1a2b3c4d5e' to 'Test2', you can use this code:



var Success: Boolean; begin Success := GDrive.UpdateFolder('1a2b3c4d5e', '', 'Test2'); if Success then ShowMessage('Folder renamed successfully') else ShowMessage('Folder rename failed'); end;


Uploading, updating, and downloading files




To upload a file to Google Drive, you can use the UploadFile method of the component. This method takes four parameters: ParentID, FileName, FilePath, and ContentType. ParentID is the ID of the parent folder where you want to upload the file (you can use 'root' for the root folder). FileName is the name of the file that you want to upload. FilePath is the path of the file on your local system. ContentType is the MIME type of the file (such as 'image/jpeg' or 'application/pdf'). The method returns the ID of the uploaded file.


For example, to upload a file named 'test.jpg' from your desktop to a folder with ID '1a2b3c4d5e', you can use this code:



var FileID: string; begin FileID := GDrive.UploadFile('1a2b3c4d5e', 'test.jpg', 'C:\Users\YourName\Desktop\test.jpg', 'image/jpeg'); ShowMessage('File uploaded with ID: ' + FileID); end;


To update an existing file on Google Drive, you can use the UpdateFile method of the component. This method takes five parameters: FileID, NewParentID, NewFileName, NewFilePath, and NewContentType. FileID is the ID of the file that you want to update. NewParentID is the ID of the new parent folder where you want to move the file (you can use 'root' for the root folder or leave it blank to keep it in the same location). NewFileName is the new name of the file (you can leave it blank to keep it unchanged). NewFilePath is the path of the new file on your local system (you can leave it blank to keep it unchanged). NewContentType is the new MIME type of the file (you can leave it blank to keep it unchanged). The method returns True if successful or False otherwise.


For example, to update a file with ID '2f3g4h5i6j' by changing its name to 'test2.jpg' and its content type to 'image/png', you can use this code:



var Success: Boolean; begin Success := GDrive.UpdateFile('2f3g4h5i6j', '', 'test2.jpg', '', 'image/png'); if Success then ShowMessage('File updated successfully') else ShowMessage('File update failed'); end;


To download a file from Google Drive, you can use the DownloadFile method of the component. This method takes two parameters: FileID and FilePath. FileID is the ID of the file that you want to download. FilePath is the path where you want to save the file on your local system. The method returns True if successful or False otherwise.


For example, to download a file with ID '3h4i5j6k7l' and save it as 'test3.jpg' on your desktop, you can use this code:



var Success: Boolean; begin Success := GDrive.DownloadFile('3h4i5j6k7l', 'C:\Users\YourName\Desktop\test3.jpg'); if Success then ShowMessage('File downloaded successfully') else ShowMessage('File download failed'); end;


Working with shared items and exporting documents




To work with shared items on Google Drive, you can use the ShareFile and UnshareFile methods of the component. These methods allow you to share or unshare a file with a specific user or group by specifying their email address and permission level. The permission level can be one of the following values:


  • 0: Owner (full access)



  • 1: Writer (can edit)



  • 2: Reader (can view)



  • 3: Commenter (can view and comment)



The ShareFile method takes three parameters: FileID, Email, and Permission. FileID is the ID of the file that you want to share. Email is the email address of the user or group that you want to share with. Permission is the permission level that you want to grant. The method returns True if successful or False otherwise.


The UnshareFile method takes two parameters: FileID and Email. FileID is the ID of the file that you want to unshare. Email is the email address of the user or group that you want to unshare with. The method returns True if successful or False otherwise.


For example, to share a file with ID '4i5j6k7l8m' with a user with email address 'user@example.com' and grant them writer permission, you can use this code:



var Success: Boolean; begin Success := GDrive.ShareFile('4i5j6k7l8m', 'user@example.com', 1 ); if Success then ShowMessage('File shared successfully') else ShowMessage('File share failed'); end;


To unshare a file with ID '4i5j6k7l8m' with a user with email address 'user@example.com', you can use this code:



var Success: Boolean; begin Success := GDrive.UnshareFile('4i5j6k7l8m', 'user@example.com'); if Success then ShowMessage('File unshared successfully') else ShowMessage('File unshare failed'); end;


To export a document from Google Drive to a different format, you can use the ExportFile method of the component. This method allows you to convert a document (such as a Google Doc, Sheet, or Slide) to a different format (such as PDF, HTML, or CSV) and download it to your local system. The method takes three parameters: FileID, FilePath, and ExportFormat. FileID is the ID of the document that you want to export. FilePath is the path where you want to save the exported file on your local system. ExportFormat is the format that you want to export to (you can use the constants defined in the component, such as efPDF or efHTML). The method returns True if successful or False otherwise.


For example, to export a document with ID '5j6k7l8m9n' to PDF and save it as 'test.pdf' on your desktop, you can use this code:



var Success: Boolean; begin Success := GDrive.ExportFile('5j6k7l8m9n', 'C:\Users\YourName\Desktop\test.pdf', efPDF); if Success then ShowMessage('File exported successfully') else ShowMessage('File export failed'); end;


Pros and cons of Astonsoft Google Drive Delphi Component




As with any software product, Astonsoft Google Drive Delphi Component has its pros and cons. Here are some of them:


Advantages of using the component




Some of the advantages of using the component are:


  • It is easy to install and use



  • It supports various Delphi versions and platforms



  • It works directly with Google using the official API



  • It supports Unicode and HTTPS



  • It allows you to perform various operations on Google Drive



  • It is customizable and flexible



  • It saves time and resources by using a ready-made solution



Disadvantages and limitations of using the component




Some of the disadvantages and limitations of using the component are:


  • It requires a valid license for the component (which costs $99 for a single developer license)



  • It requires a Google account with access to Google Drive



  • It requires a project created in the Google Developers Console with the Drive API enabled



  • It requires an OAuth 2.0 client ID and secret for your project



  • It does not support some features of Google Drive, such as trash, revisions, comments, etc.



  • It may have some bugs or errors that need to be fixed or reported



Conclusion and recommendations




In conclusion, Astonsoft Google Drive Delphi Component is a non-visual component that allows you to work with Google Drive using Delphi. It has many features and benefits that make it a useful and convenient tool for Delphi developers who want to integrate Google Drive functionality into their applications. However, it also has some drawbacks and limitations that need to be considered before using it.


If you are interested in trying out Astonsoft Google Drive Delphi Component, you can download a free trial version from the official website. You can also purchase a license for the component from there. You can also find more information and documentation about the component on the official website, the product page, or the online help page.


We hope that this article has given you a clear overview of Astonsoft Google Drive Delphi Component and how to use it for different tasks. We recommend that you give it a try and see for yourself how it works for you.


FAQs




Here are some frequently asked questions about Astonsoft Google Drive Delphi Component:


Q: How can I get support for Astonsoft Google Drive Delphi Component?




A: You can get support for Astonsoft Google Drive Delphi Component by contacting the developer via email or forum. You can also check the online help page for more information and documentation.


Q: How can I update Astonsoft Google Drive Delphi Component to the latest version?




A: You can update Astonsoft Google Drive Delphi Component to the latest version by downloading it from the official website and installing it over the previous version. You do not need to uninstall the previous version or re-register the component.


Q: How can I use Astonsoft Google Drive Delphi Component with FireMonkey?




A: You can use Astonsoft Google Drive Delphi Component with FireMonkey by adding the unit GDriveFMX to your uses clause. This unit contains a wrapper class that inherits from TGDWrapper and implements the IGDrive interface. You can use this class as a replacement for TGDrive in your FireMonkey applications.


Q: How can I use Astonsoft Google Drive Delphi Component with Lazarus?




A: You can use Astonsoft Google Drive Delphi Component with Lazarus by adding the unit GDriveLaz to your uses clause. This unit contains a wrapper class that inherits from TGDWrapper and implements the IGDrive interface. You can use this class as a replacement for TGDrive in your Lazarus applications.


Q: How can I use Astonsoft Google Drive Delphi Component with C++Builder?




A: You can use Astonsoft Google Drive Delphi Component with C++Builder by adding the header file GDrive.hpp to your project. This file contains the declarations of the classes and methods of the component. You can use the TGDrive class as a replacement for TGDrive in your C++Builder applications. dcd2dc6462


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