Download FB4D: Open-Source Cross-Platform Library for Firebase 1.2 from May 19, 2021

FB4D: Open-Source Cross-Platform Library for Firebase 1.2 from May 19, 2021

FB4D: Open-Source Cross-Platform Library for Firebase 1.2 from May 19, 2021
FB4D: Open-Source Cross-Platform Library for Firebase 1.2 from May 19, 2021

The Google Firebase Cloud Database is used in many mobile and web applications worldwide and there are well-documented libraries for many languages and platforms. For Delphi, the cross-platform library FB4D supports the Firebase Realtime Database, the Firestore Database, the Firebase Storage (for file storage), and Firebase Functions (for calling server functions). For authentication, FB4D currently supports email/password authentication and anonymous login.

The library builds on the Firebase REST-API and provides all functionality with synchronous and asynchronous methods for the usage within GUI application, services and background threads. Both frameworks VCL and Firemonkey are supported. The library is a pure source code library and relies on class interfaces. For clean and short application code it supports fluent interface design.

This project offers a wiki. Four example applications and a Getting-Started on the wiki will help you to start working with the library. For more detailed questions, the interface reference will provide the answers you need.

You can find more learning videos on the following YouTube channel.

Major Change log
This log informs about interface changes and important library enhancements that need the attention of users of this library.

April 7, 2021: Revised RT DB Listener
March 26, 2021: New optional cache to accelerate the repeated access to storage objects. Additional IFirebaseStorage.GetAndDownload method in order to simplify the download from the storage. See more details
March 12, 2021: New option in FB4D.SelfRegistrationFra framework to support enter display name and upload profile image when registering a new user. see more details
March 8, 2021: Real Time Database creation has changed within the Firebase Console. The Firebase ID is no longer sufficient to access newly created RT DBs. A Firebase URL is now required, which can also include the server location. See more details.
March 5, 2021: A new listener detects changes within the Firestore Database without pooling. See more details.
🔺 This library requires at least Delphi 10.3 Rio Update 2 🔺.

The sample projects are developed and prepared for Delphi 10.4.2 Sydney.

Hint: Support from Delphi 10 Seattle to Delphi 10.2 Tokyo has been discontinued since the introduction of the Firestore Listener in March 2021. Delphi 10.3 Update 1 and earlier version are not longer supported because of an issue in the RTL.
Delphi is a registered trademark of Embarcadero Technologies, Inc.

Supported Platforms
FB4D is developed in pure object pascal and can be used with Firemonkey on all supported plattforms. The library and its sample projects are currently tested with Win64/Win32, Mac64/32, Linux64 by using FMXLinux, iOS64 and Android. (Hint to mobile platforms: The TokenJWT to perform the token verifcation requires the installation of the OpenSSL libraries). For more information about using OpenSSL see the installation of OpenSSL

Limitation on Linux64
Due to a bug in the Linux RTL, all HTTPRequests that transfer data to the server by using the Patch method are currently not working. Put and Post methods work. This affects the Realtime DB method Patch and the Firestore method InsertOrUpdateDocument for both synchronous and asynchronous accesses. This bug affects all Delphi version which supports Linux64 up to the newest Delphi 10.4.2.

Only for V.I.P
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