Games [XUI2D] Example Pack - Erel    
Oct 2, 2022   
(33 reactions)Updated thread based on X2 v2.0+: https://www.b4x.com/android/forum/threads/xui2d-x2-v2-0-2021... following a path
- Angry birds example
- Space Shooter
- Tetris
- X2 Source Code
Video tutorial... is not 100% up to date. It was created before the X2 library was available. All the X2 modules are now packed as a single b4x lib.
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The examples pack is a single zip with all the XUI2D examples... commercial purposes.
Download link: https://github.com/AnywhereSoftware/X2/archive/refs/heads/main...
B4J Library jServer v4.0 - Based on Jetty 11 - Erel    
May 26, 2026   
(19 reactions)Starting from B4J v9.80 this library is included as an internal library. Old library: https://www.b4x.com/android/forum/threads/141323/#content
This is a new version of jServer. It is based on Jetty... with org.eclipse.jetty.http2.hpack.HpackFieldPreEncoder, org.eclipse.jetty.http.Http1FieldPreEncoder;... by @alwaysbusy: https://www.b4x.com/android/forum/threads/jserver-v4-0-based-on-jetty-11.140437/post...://www.b4x.com/b4j/files/jserver_4_10.zip
- v4.03 - suppresses the stack trace logs for...
B4J Library [B4X] jRDC2 - B4J implementation of RDC (Remote Database Connector) - Erel    
Jun 22, 2026   
(42 reactions) servers.
jRDC2 is the latest version. All new projects should use this version.
jRDC2 is made... with B4A, B4J and B4i is responsible for sending the requests and handling the responses.
jRDC2 can work... the additional libraries folder.
2. Add a reference to this jar with:
#AdditionalJar: mysql-connector... of the server hosting jRDC2. It must end with /rdc.
2. Add DBRequestManager class to your project.
It depends on RandomAccessFile and OkHttpUtils2 libraries (or the matching libraries in B4J or B4i).
3. Add...
B4A Tutorial [B4X] OkHttpUtils2 with Wait For - Erel    
Dec 25, 2025   
(60 reactions).OpenOutput(File.DirInternal, "filename.dat", False)
File.Copy2(j.GetInputStream, out...("https://b4x-4c17.kxcdn.com/images3/code.png", ImageView2)
End Sub
The images...
Games [XUI2D] X2 v2.0 - 2021 - Erel    
Jul 22, 2022   
(24 reactions)287253316
X2 is an open source, cross platform 2d game engine based on box2d physics engine and BitmapCreator as the rendering engine.
X2 itself is a b4xlib library.
The first versions of X2 lead the way to cross platform B4X projects. The new update goes the other way, and makes X2 work with B4XPages. This simplifies several things.
There is also a new class named X2Multitouch which provides a cross platform method to handle touches, multitouches and keys (B4J).
X2 works best with Tiled...
Share My Creation [Project Template] [Web] API Server v2 - aeric    
Jan 16, 2025   
(31 reactions)
Updates
Web API Server v3 is available
Version: 2.08
Description: Create Web API Server..., see Web API Server (v1.16)
Template:
Web API Server (2.08).b4xtemplate
Depends on:
WebApiUtils.../webapi-2-b4j
https://github.com/pyhoon/WebApiUtils-B4J
https://github.com/pyhoon/MiniORMUtils-B4X
https... ProductsController produces /web/api/v2/products
Endpoint name can be overridden by using #Name tag e.g /web/api/v2/product
Custom version name using #Version tag e.g v2, live, demo, dev, staging...
B4J Library jServer3 / jServer 4 - previous versions of jServer - Erel    
Aug 30, 2026   
(6 reactions)jServer 5, based on Jetty 12.1.10, is included with B4J v10.7+. It requires Java 17+. Instructions: https://www.b4x.com/android/forum/threads/jserver-5-based-on-jetty-12-1.171536/
Previous versions of jServer:
jServer4.1, based on Jetty 11.0.26: https://www.b4x.com/b4j/files/jServer4.zip. Requires Java 11+. Instructions: https://www.b4x.com/android/forum/threads/jserver-v4-0-based-on-jetty-11.140437/#content.
jServer3, based on Jetty 9.4: https://www.b4x.com/b4j/files/jServer3.zip
Note...
Games [XUI2D] Cross platform tips - Erel    
Dec 19, 2018   
(17 reactions)XUI2D allows us to develop games that run on B4A, B4J and B4i.
This tutorial will explain... they will be updated automatically when we run the project.
Tips
- B4A and B4J XUI2D library is based on jBox2D. B4i iXUI2D is based on the C++ box2d. In most cases the behavior will be the same. However there are some edge cases.
- Be careful with modifying returned B2Vec2 vectors unless the documentation says that the vector can be modified. When in doubt use B2Vec2.CreateCopy and modify the new...
Other jServer v2.05 - Erel    
Mar 1, 2021   
(5 reactions)This update adds a new method: Server.SetStaticFilesOptions.
This method accepts a Map with configuration parameters that affect the way the server serves static files.
For example:
srvr.SetStaticFilesOptions(CreateMap("cacheControl": "max-age=3600"))
The list of parameters is available here: http://download.eclipse.org/jetty/9.4.2.v20170220/apidocs/org/eclipse/jetty/servlet/DefaultServlet.html...
Share My Creation [Project Template] jRDC2 Server - aeric    
Jun 24, 2026   
(5 reactions)
Updates
jRDC3 Server is available
Version: 3.30
Project template based on jRDC2 version 2.23 with sample database.
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GitHub: https://github.com/pyhoon/jrdc2-server-template-b4j
Template:
JRDC Server (3.30).b4xtemplate
Supported databases:
SQLite
MySQL
MS SQL
Firebird
Postgresql
DBF
Depends on:
JavaObject
jRandomAccessFile
jServer
jShell
jSQL
B4X Client app:
jRDC2 Client...-template-jrdc2-server-sqlite-mysql-ms-sql-firebird-postgresql-dbf.147542/...
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