Tutorials & Examples

Almora · Apr 22, 2023

Hello.
the project was prepared using only the libraries in the forum.

live line chart #Johan Schoeman...

Andrew (Digitwell) · Apr 19, 2023

There are many occasions when you need to have multiple labels which all size themselves to their contents and also align with each other with no space.

The solution to this is to use...

thedesolatesoul · Oct 30, 2014

This is an ULV example I wanted to share for a long time, since I thought it was *very* cool.

It demonstrates:
- Sticky headers
- Swipe gestures
- Animations (appearing out)
- Selected State...

Bladimir Silva Toro · Mar 11, 2020

Hi

Here is a tutorial that shows the steps of how to make an Android connection to MS SQL Server using jRDC2.

Download tutorial here:

Attached the Mobile...

Alexander Stolte · Jun 15, 2022

In this example we add a MiddleButton that is larger than the internal one and is outside the TabMenu.
...

Erel · Jun 15, 2015

Starting from B4A v5.0, B4A-Bridge over Bluetooth is no longer available. You can use B4A-Bridge over wifi or USB debug mode to connect the IDE to a device.

By creating a mobile hotspot you can...

Johan Schoeman · Feb 27, 2022

Please test scanning of your NFC enabled credit card using the APK in the download link below. Please ensure that you have enabled NFC on your cell/device before you do a scan - the...

Guenter Becker · Jul 13, 2021

Hello hope your'e well.
Apps are getting more and more complicate and to work with the user needs a manual. This examples shows how you can add an help dialog to your B4XPages Project. The help...

Erel · Dec 21, 2015

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...

Erel · Sep 14, 2017

Camera2 library is based on the Camera2 API introduced in Android 5 (API 21).
It is designed to work together with CamEx2 class.
It is supported by B4A v7.3+. The library will be included as...

AlfaizDev · Mar 15, 2023

Hello
This is an example of how to back up and restore the SQL Lite database as the database produces three files with three extensions
with the following extensions 'db.db'...

dody · Mar 14, 2023

For the First I said Thank Too Much For Great Mr.Errel That my Inspirator, StarDust and All Of member that i can't say person by person, i wish yours appologize of my bad english, this my first...

Paolo Venuta · Mar 8, 2023

android 12

klaus · Mar 27, 2011

There are many ScrollView examples on the forum, I made a summary of them for my own use and I think it would be interesting for others.

Creating a table view based on ScrollView...

yo3ggx · Jan 16, 2023

If you want to check if the application is running on a Chromebook (for example to do some specific GUI reconfiguration to run in a resizable Window), you can use the following routine.
Hope it...

amorosik · Feb 14, 2023

I had to deal with a database format transformation problem from Firebird to SqliteDb
I want to share my experience because I've already seen some users who asked questions about Firebird...

agraham · Feb 12, 2023

I've just added a speech to text facility to my note taking app using

SpeechToText - Continuous Offline Voice Recognition

This is a wrapper of Acephei VOSK , With this, you can add continuous offline speech recognition feature to your application, NOTE: As it works offline the app should be complied with the voice model. It will increase the app size by 30-40Mb. The accuracy depends on the voice model. You can...

www.b4x.com

and text...

Star-Dust · Feb 1, 2023

With the new imodules that allow you to work better with the intent and receivers, it is necessary to develop some examples of how to use them (even before it could be done but not in...

Erel · Oct 8, 2017

Geofencing is an Android feature that allows your app to be notified when the user enters or exits a monitored region.

The nice thing about this feature is that your app doesn't need to run for...

Midimaster · Sep 25, 2020

if you want to build instant music in apps from single sounds, it is important that the samples are absolutely synchron and perfect in timing. So you should send one single stream to the system...

Tutorials & Examples

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Sound Meter

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Resizing Text Control Custom View - Set text control size based on text - Non Latin Text fix

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UltimateListView Example

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Tutorial of connecting Android to MS SQL Server using jRDC2

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[B4X] AS_TabMenuAdvanced Custom Middle Button

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B4A-Bridge over wifi without a local network

Please test reading your NFC credit card.....

Help Management for Application

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[B4X] MQTT Chat Room

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Camera2 - Still images and videos

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Backup/Restore SQLite Database

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my share creation simple carousell

Send and Recive SMS from PC using AsyncStreams in Wifi e VB.Net

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ScrollView examples summary

Check if the application is running on a Chromebook

How to convert from Firebird to Sqlite

User selection of a voice for Text To Speech.

SpeechToText - Continuous Offline Voice Recognition

Intents and receivers

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Geofence - Monitoring a region in the background

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Audio Ringbuffer

Tutorials & Examples

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Privacy & Transparency

Privacy & Transparency