Tutorials & Examples

[B4X] Using/running B4A and/or B4J on 64 bit Linux Mint 20.2 Cinnamon with 64 bit Wine

• By walt61
• Sep 6, 2021

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/

 

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Pinch Zoom and Move View tutorial

• By Dominex
• Sep 25, 2012

[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...

 

Attachments

• Screenshot_2012-11-02-20-02-13 (ridotta).jpg

  28.8 KB · Views: 2,780
• PinchZoomAndMove_1.45.zip

  115 KB · Views: 4,689

Last edited: Dec 8, 2013

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App Bundle - Steps to updating Existing App (apk to aab)

• By mcqueccu
• Mar 28, 2021

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...

 

Last edited: Dec 10, 2021

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Valid EAN13 Barcode String

• By Hamied Abou Hulaikah
• Oct 18, 2022

Generate random valid EAN13 barcode string:

B4X:

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

 

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[B4X] RSS Viewer using xCustomListView

• By Jack Cole
• Feb 13, 2019

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...

 

Attachments

• RSS Example.zip

  20.7 KB · Views: 1,213

Last edited: Feb 19, 2019

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[B4X] JSON crack - Visualize your JSON as a diagram

• By hatzisn
• Sep 16, 2022

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

JSON Crack | Online JSON Viewer - 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

 

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Understanding Network security configuration

• By Hamied Abou Hulaikah
• Sep 10, 2022

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...

 

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Now you can debug android app directly under Windows11

• By laomms
• Oct 21, 2021

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

1. download windows11 from...

 

Last edited: Oct 21, 2021

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[B4X] AS ViewPager - Auto Play

• By Alexander Stolte
• Sep 5, 2022

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

...

 

Attachments

• AS ViewPager Auto Play.zip

  10.2 KB · Views: 662

Last edited: Feb 16, 2023

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? [B4X] [XUI] [B4XPages] Using B4A GPS to create a BASIC weather app - Newer developers

• By Peter Simpson
• Feb 8, 2021

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...

 

Last edited: Feb 10, 2021

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Chat Mqtt Over Internet Free Source Code B4A/B4J

• By XorAndOr
• Aug 28, 2022

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...

 

Attachments

• B4JChatMqtt.zip

  8.3 KB · Views: 899
• B4AChatMqtt.zip

  13.7 KB · Views: 1,009

Last edited: Sep 5, 2022

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Test Card Always Approves - Item unavailable in your country

• By hatzisn
• Aug 25, 2022

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...

 

Last edited: Aug 25, 2022

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[B4X] AS_TabMenuAdvanced + ASPopupMenuAdvanced

• By Alexander Stolte
• Jun 3, 2022

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

For this example you need the 2 libs...

 

Attachments

• AS TabMenuAdvanced + ASPopupMenuAdvanced Example.zip

  455.1 KB · Views: 917

Last edited: Jun 3, 2022

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In App Billing - steps required in Google Console

• By Andrew (Digitwell)
• Aug 10, 2022

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...

 

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Api Levels

• By hatzisn
• Jul 26, 2022

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

 

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[B4X] AS PopupMenuAdvanced - ComboBox

• By Alexander Stolte
• Nov 13, 2021

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

 

Attachments

• AS PopupMenuAdvanced ComboBox.zip

  73.9 KB · Views: 1,620

Last edited: Feb 24, 2024

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Using fixer.io to get current Currency rates

• By DonManfred
• Dec 21, 2015

This Tutorial is how to use the free service from fixer.io
in your own apps.

Fixer.io is a free JSON API for current and historical foreign exchange rates published by the European Central...

 

Last edited: Dec 21, 2015

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[B4X] [DSE] Designer Script Extensions

• By Erel
• Jun 20, 2022

The soon to be released versions of B4A, B4i and B4J include a new feature named: designer script extensions. The new feature allows calling B4X code from the visual designer scripts.
Note that...

 

Attachments

• DSExample.zip

  182.8 KB · Views: 1,365
• DSExampleCLV.zip

  187.6 KB · Views: 1,240
• DSExampleNumpad.zip

  18.8 KB · Views: 1,232
• DSExampleToolbar.zip

  123.2 KB · Views: 1,189
• DesignerUtils.b4xlib

  3.7 KB · Views: 1,089

Last edited: Jul 19, 2022

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Push messages with Firebase and B4A: Some additional hints and a working example

• By Frank
• Jul 17, 2022

Hi,
I played around with push notifications based on Firebase Cloud Messaging (FCM).
I followed the tutorial at...

 

Last edited: Jul 18, 2022

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Creative UI/UX Designs + Source Code

• By Reckless
• May 31, 2022

Well, from today I am here to help you create more beautiful applications.
B4X Family is a wonderful yet very simple tool for designing functional and beautiful applications
I have been acquainted...

 

Attachments

• 1.profilePagerPanel.zip

  142.7 KB · Views: 1,702

Last edited: May 31, 2022

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