B4J Tutorials

Hi there

This is an example of how to create a timesheet with time & day matrix to enter hours worked etc. I have added the change_row event which detects changes to the time entered and also an...

 

Here's an example B4J app which

- creates RSA Keys
- send the public key to a php script with a message
- the php will encrypt/decrypt/Send the server's keys
- concert/load the server's keys to...

 

I took my inspiration from Erels JavaObject to make a similar one for BANano. This is the 'Object' that rules them all... (in version 1.08+)

What is the difference between a...

 

Hi Fam

In this thread we will look at creating BANanoServer Applications using SithasoIONIC7 Mobile Kit. BANanoServer is the equivalent of ABM but for BANano, but with the full power of...

 

Ola

One of the components that seem not to feature anywhere as a built up component is the image. Anyway to cut a long story short, here is our own version of the image, called WixImage...

 

Hi there

Is it possible to set the default date to be blank / no date for the ABMDatePicker control?

Thanks

 

Hi

The property sheet / property bag allows one to have such an item on their apps. It accepts text, password, date, color, combo, select to mention of the few controls.

To Set the values to it...

 

Hi

The treeview is basically that, a tree view. You add items and children and can also trap the itemClick event for the item to get the key selected..

Here we use .SetData to load...

 

See for a B4JS introduction: https://www.b4x.com/android/forum/threads/abmaterial-b4js-0-9.90249/
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This is the...

 

Hi

Based on what we have learned in lesson 1 and 2, here we will explorer another layout element, the accordion.

The accordion we can create comes in two flavours, one vertical and one...

 

I am excited about this.

BANanoPDFMake enables one to create PDF reports for their BANano apps client side. Thanks to @alwaysbusy's advice on how I could take this next phase of this...

 

In BANano v5, you could already use Live Code Swapping to speed up development drastically. In the upcoming update, you will even be able to use the Abstract Designer to make Live changes to your...

 

Hi
I'm very happy to share you my discovery today, I found this mine of Machine Learning data models, more than 60K models for various text, image & audio data analysis.
But...

 

Using a CDN (Content Delivery Network) for your WebApp can be very beneficial:

The Benefits of using a CDN:

• Different domains. Browsers limit the number of concurrent...

 

You can create an RDC client with B4J in the same way as done with B4A: Remote Database Connector - Connect to any remote DB...

 

With the latest update for Windows 10 (version 1903), you can install a Linux distro as a Windows 10 Subsystem. This is very cool for us B4J developers as we can now very easily setup an...

 

Ola

Remember: The jetty webserver is a self encompassing webserver. These is no need for laragon development webserver here. This is detailing a step by step process on how we have managed to...

 

Hi there

These are primarily used to guard navigations either by redirecting it or cancelling it.

Global Navigation Guards

You have beforeEach (page) and afterEach...

 

Creating new workbooks based on existing workbooks saves a lot of work and also allows adding features that are not directly available in POI / XLUtils, such as charts.
Templates are regular...

 

Go to post #2 - all in B4J and no external lib required

It is based on this Github posting