Tutorials & Examples

Regular expressions are very powerful and make complicate parsing challenges much easier.
This short tutorial will describe the usage of regular expressions in Basic4android.
If you are not...

 

What I'm about to write would be more suitable for Erel's thread: [B4X] "Code Smells" - common mistakes and other tips, but it's just my opinion and I don't know if he agrees.

I'll give...

 

This is a new feature. It is included in B4J v8.50 and B4i v6.80 (betas) and will be included in the next versions of B4A and B4R.

This is a very simple and useful feature. When you...

 

I was thinking how can I realize what is mentioned bellow for helping a friend with no computer for now, without waiting for it to happen (if ever - no offense @Erel but I know you are busy)...

 

Here is an app I knew it existed but I had never dared until now to try it and I regret this deeply. It is Postman. With this app available both on-line and as a local app (photo) you can check...

 

Before some time I have posted my findings upon an application that allows you to test WebAPIs, tinker with them and eventually use the JSON in your projects. This application is postman. Here is...

 

Hello,
First of all, sorry for my bad english... I'll try to do my best...

For my project, I ported the source of B4XSerializator of @Erel from here to php.
Even if php is considered...

 

Hello,

i have searched for a long time for a fix for this, every time i have B4A on my second monitor on my mac, then the text was blurry and this was no fun to work with...

Now i have a fix for...

 

Downloading resources is simpler with the new Resumable Subs feature.

Using Wait For we can wait for the JobDone event in the same sub that started the download.
No...

 

Note that OkHttpUtils2, jOkHttpUtils2 and iHttpUtils2 are actually the exact same b4x library.
jOkHttpUtils2_NONUI was required as a special version for non-ui B4J apps. It is no longer required...

 

Better implementation, based on B4XPages: https://www.b4x.com/android/forum/t...-asyncstreams-b4xserializator.119011/#content

New video tutorial...

 

Starting from v1.70 of Net, jNet and iNet libraries the asynchronous methods return a 'sender filter' object.
This object can be passed as the sender filter parameter in a Wait For call.
This...

 

Lets say that we want to build a layout such as the above where the screen is split into two halves.

If we try to build this layout with a single layout file we will quickly meet a...

 

It's time to learn how to use MQTT: https://www.b4x.com/android/forum/threads/59471/#content
It is simple and powerful. In most cases MQTT is the best solution for low level networks. Low...

 

The ConnectAndReconnect sub takes care of connecting to the broker and reconnecting if the connection has broken.
It sends a "ping" request every 5 seconds to help the MQTT client recognize...

 

Hey, I found this interesting website today on Producthunt.com.

Wigglegram - 3D wigglegrams for Android - Product Information, Latest Updates, and Reviews 2024 | Product Hunt

Wigglegram is a series of photos of the particular object from a different angle. When the photos are combined in a short animation they become three-dimensional thanks to optical illusion! Make the 3D photo simply and easily thanks to an innovative app called Wigglegram. The app contains...

www.producthunt.com

Create a mobile app website in 60...

 

While looking around on interesting projects to wrap i found a java console app (jar file) which is able to create and manage Certificates which can be used in your Server.
It manages Let´s...

 

For the first time I try to make my apps multilingual and found this very useful helper. But I prefer to use CSV files (not excel) for the translations. So I combined it with this...

 

Localizator is a cross platform solution for strings localization.

The strings are defined in an Excel workbook.

They...

 

This is a simple like animation.
It looks smoother and better in real.

Private Sub LikeAnimation(xlbl As B4XView,duration As Int)
    Dim txt_size As Float = xlbl.TextSize
    If...