Tutorials & Examples

PhilipBrown · Jun 19, 2018

I am happy to announce that the B4A tutorial and reference book "Rapid Android App Development using BASIC" by Wyken Seagrave has now...

corwin42 · Dec 19, 2014

Note: You should use B4A 6.0 or above for this tutorial.

In the first Material Design tutorial we created a simple app with Material Design for Android 5.0 (Lollipop) devices. But what about...

Hamied Abou Hulaikah · Jan 4, 2019

This is an example of choosing a phone number from native android contacts picker.

DonManfred · Dec 26, 2018

GoogleTasks are a Task list (ToDo List, Shopping List, whateveryouwant list)

In this small Tutorial i want to share my findings while i played around with GoogleTasks. In fact i´m not...

scsjc · Dec 28, 2018

I share this little code to handle translation within the app

regards

Swissmade · Dec 27, 2018

Hi all,

I see a very nice book for programming PI, Arduino and more with B4A

I hope somebody like this...

Erel · Feb 21, 2013

The following solution allows you to access your Android device over the internet. The device must be connected to a...

Brandsum · Dec 26, 2018

Hi,

Here is how you can set the scale mode of an ImageView like CSS background-size property.

B4X:

'scale = cover,contain,fill
Public Sub SetImageView(iv As ImageView,bmp As Bitmap, scale As...

klaus · Jun 6, 2011

This guide is obsolete ! It is no more updated.
Please use the B4X Booklets.

Here is a Beginner's Guide in pdf format.
The source code for the example programs is included.

All...

Erel · Apr 10, 2018

Google Play App Signing service allows developers to let Google store the app signing key for them.
Developers need to use a different key, the upload key, to sign the app before release.
The...

klaus · Dec 7, 2013

Some users asked here for a simple SQLite project as an example to make their first steps in SQLite.
The already existing examples seem beeing somewhat complicated for beginners.

These...

m0narX · Dec 14, 2010

if you want run any shell command as superuser(you must have rooted phone), try this:

B4X:

Dim Command, Runner As String
Dim StdOut, StdErr As StringBuilder
Dim Result As Int
Dim Ph As Phone...

margret · Aug 1, 2011

* * * UPDATE * * *

July 8th, 2012 - New DataBase Class http://www.b4x.com/forum/additional-libraries-classes-official-updates/22118-class-databases.html

JUST POSTED - The...

Erel · Nov 23, 2017

Edit: Better to use CLVExpandable class: https://www.b4x.com/android/forum/t...g-or-collapsing-xcustomlistview-items.106148/

Compatible with B4A...

Erel · Jun 8, 2016

1. Edit: In B4XPages the permission result event signature is: Wait For B4XPage_PermissionResult (Permission As String, Result As Boolean)
2. Important to read...

wonder · Nov 10, 2018

Error:
It might happen that, when combining multiple native (JNI) libraries, your Android app will crash with an UnsatisfiedLinkError.

Why does this happen?
Well...

KMatle · Nov 10, 2018

Just bought an Android TV box and I mentioned that you can connect to the bridge via LAN (usually WiFi). Even it shows "Not connected to wireless network" and doesn't show a ip address the...

Erel · Feb 15, 2017

B4A v6.80 adds several new features related to the ability to format rich strings.

CharSequence is a...

Marcus Araujo · Nov 7, 2018

The problem: If anyone is using the Google Play's Internal Testing feature to make your app available for selected users, be aware that Google changes the app and therefore the APK signature...

Erel · Jun 7, 2018

Please use XUI2D for new games: https://www.b4x.com/android/forum/threads/xui2d-example-pack.96454/

BitmapCreator is a relatively new cross-platform class for low level...

Tutorials & Examples

Show only:

B4A Book Updated to Version 8.30

Material Design 2 - Using the AppCompat library

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Android Native Contacts Phone Number Picker

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[B4X] Working with GoogleTasks using REST

Easy Sample Translator inside a Code

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Book for programming Pi, Arduino and more applications with B4A

No-IP Android client - Access your device over the internet

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Fill or Fit image to ImageView

B4A Beginners Guide

Google Play App Signing

SQLiteLight four simple SQLite projects

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Running shell commands as SuperUser

New Easy to Use DataBase Functions V1.0 with Samples

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[B4X] [XUI] Expandable list based on xCustomListView

Runtime Permissions (Android 6.0+ Permissions)

How to fix the multiple native libraries problem

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B4a bridge via LAN

CharSequence / CSBuilder Tutorial

Solution for: Google Sign In Error 12500 x Internal Testing

[B4X] [BitmapCreator] Creating cross platform games

Tutorials & Examples

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