B4J Tutorials

This guide is obsolete ! It is no more updated.
Please use the B4X Booklets.

Here is a Beginner's Guide in pdf format.
The source code for the example programs is included.

All...

 

Starting with ABMaterial v2.50, there are two version fields in the ABM object. The first reports the version of the library while a second includes the version number in the name.

For...

 

To launch the ABMGridBuilder without the lingering console window simply change the respective .BAT like so:

start.bat

start "" javaw -jar -Dprism.order=sw ABMGridBuilder.jar

...

 

Here's how you can simplify the server startup method in ABMApplication.bas by converting StartServer() to a shim.

public Sub StartServer(srvr As Server, srvrName As String, srvrPort As Int)...

 

I had the question a couple of times to make some more animations (like the spinning circles) available for when the page is loading, or when the app is paused. So here they are:

JUMPINGBALL...

 

In my morning readings i came across an interesting and very well explained tutorial on how the browser works and how can we optimize the payload that the server sends to the browser.

You can...

 

Hi there

At times, you might be faced with creating dynamic ABMSideBarItems items from your pages from existing DB records. This was a challenge I was faced with in my current project. So sitting...

 

Top items WITH an icon in the NavigationBar can show a little 'ios' badge with e.g. a number of unread messages.
Note: you can only start using them AFTER page.FinishedLoading!

Example...

 

A friend of mine, who is a doctor, wanted me to write a scheduling webapp. He had some perticular requests:

1. You should be able to schedule per 5 minutes
2. But still need to be able to see...

 

The TabPane container allows the user to switch between different tab pages.

Working with TabPane is similar to working...

 

Report Pivot Table - Pivot Chart
Here in the part II of the tutorial I will present a solution including Pivot table and Pivot chart.

The attached screen shot - pivotcharttemplate.png -...

 

This tutorial should be viewed as an additional resource to the already published tutorials by Erel.

Introduction
The real power for using MS Excel workbooks as reports lays in the fact...

 

Hi All

I came across this, might be help to users who are not well versed in area.

http://jvmmemory.com/

Regards

John

p.s @Erel this might be a good sticky post

 

This is an example of using @Roycefer 's jNativeHook to monitor all mouse events, even outside of the current app. It uses a ContextMenu to replicate the right click functionality. Default...

 

Hello.

Sorry for my English.

I've been struggling with the problem of sending any file from the server to the client from the ABMaterial. In the end, I did it and it works. It may be useful to...

 

Just like Erel has added the Firebase Auth Service to B4A (https://www.b4x.com/android/forum/threads/firebaseauth-authenticate-your-users.67875/) you can also use it to login with your...

 

I have just purchased this kit and have started to go through the examples. In an effort to help others like me with little or no knowledge of how to port the examples to B4J, I thought it might...

 

Hi Guys...

So, This hopefully will become a tutorial about how to set up and run your B4J based RDC server on your vps...
This tutorial is aimed at those that, like me, take their very first...

 

jServer v2.70 adds support for background workers (https://www.b4x.com/android/forum/threads/updates-to-internal-libaries.48274/#post-465493).

A background worker is a class instance that...

 

PrintHtml is a small Windows utility that you can use to print from your app.

First you should download PrintHtml.exe and also the DHTML Editing Control...