Tutorials & Examples

Hi,
I was looking for a code to know the timezone information from Latitude and Longitude coordinates and I found the code here LatLongToTimezone but it is written in java so I used it in...

 

The main challenge here is the performance. All particles are updated if needed and redrawn every cycle.

The Particles...

 

1) sudo apt install -y wine winetricks

2) winetricks dotnet452

3) wine B4A.exe

4) winetricks
install windows DLL or component
vcrun2010

5) right click icon B4A...

 

B4A + B4i barcode reader.

Don't miss:

- #PlistExtra in B4i.
- Manifest code + #AdditionalJar in B4A

Depends...

 

The solution for both B4A and B4J has been posted at https://www.b4x.com/android/forum/t...x-mint-20-2-cinnamon-with-64-bit-wine.134069/

 

[Class] Pinch Zoom and Move View

I had the need for my purposes to do the Pinch Zoom in contemporary Move to a View, now I put my code available to anyone who might be in need, just to get...

 

This Tutorial is for those who already have an existing application in the play store that is APK and want to switch to App Bundle (AAB) which will become compulsory in August 2021.

Steps for...

 

Generate random valid EAN13 barcode string:

Public Sub BarcodeEAN13() As String
    
    Dim brcod As String = Rnd(100000000,214000000)
    brcod = "950" & brcod  '<<< change the beginning 3...

 

After having used the RSS Viewer library in the past, and now finding that it won't function with my secure sites, I decided to start with Erel's XUI CustomListView example and then...

 

Here is a nice tool that visualizes the JSON like a diagram. Pretty cool.

JSON Crack | Transform your data into interactive graphs

JSON Crack Editor is a tool for visualizing into graphs, analyzing, editing, formatting, querying, transforming and validating JSON, CSV, YAML, XML, and more.

jsoncrack.com

 

Every developer must understand this article if developing any kind of network communication app.

Android os recent versions put end apps users privacy at the heart of its platform, the network...

 

Intel's Bridge technology will allow Android apps to run natively on Windows 11, now Microsoft released the beta version。

1. download windows11 from...

 

In this example project you can see how to add an auto play feautre to the AS ViewPager.

[B4X] [XUI] AS ViewPager based on xCustomListView

Hey, thanks to @KZero for his good zPager class, i was able to extract a few things from it to make this cross platform view. I spend a lot of time in creating views, some views i need by my self, but some views not and to create a high quality view cost a lot of time. If you want to support...

www.b4x.com

...

 

Hello All
Here we have an simple example on how you use your Android device GPS in conjunction with OpenWeather API, this is just a simple example and can obviously be changed and updated by...

 

Hi to all
Based on this link https://www.b4x.com/android/forum/threads/b4x-cross-platform-chat-layout-example.112649/#content
I have added MQTT.
It's a simple example that I want to share...

 

Google never seizes to surprise us and its latest miracle is the following:

In order to fix this no matter if you have an EmailList set with the testers I have done two things. I do...

 

This is a example how to use the AS_TabMenuAdvanced together with the ASPopupMenuAdvanced.

For this example you need the 2 libs...

 

This applies to Google Billing V4.

I was following the tutorial to add in app billing to my app and I found that it would not work in test...

 

Searching the internet I came across this site that cumulates all the necessary data for the B4A developer:

Android API Levels

A quick reference table of Android versions with SDK & API levels, version codes, codenames, cumulative usage, and more.

apilevels.com

 

This is a small example to demonstrate what is possible with the beautiful view...