Tutorials & Examples

[TUTORIAL] Inter-app Communication with Intents

• By thedesolatesoul
• Jun 28, 2013

DISCLAIMER:
This tutorial is written without testing code. There may be bugs, but try to understand the process, not copy the code.


An intent is a way for different applications...

 

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Adaptive Icons

• By Erel
• Jul 18, 2018

Updated instructions are available here: https://www.b4x.com/android/forum/threads/adaptive-icons-simple-instructions-and-tips.123843/

Starting from Android 8 apps should include an...

 

Last edited: Oct 25, 2020

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Image upload with PHP and PostMultipart

• By Douglas Farias
• Oct 18, 2018

Hi all.
I found this example in some old folders on my pc and decided to share here.
it is a simple image upload example with postmulipart and PHP.

Download Here 700kb

 

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B4A Book English Edition Updated to Version 8.80

• By PhilipBrown
• Feb 8, 2019

I am happy to announce that the English version of the B4A tutorial and reference book "Rapid Android App Development using BASIC" by Wyken...

 

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[B4X] B4XTable - Multiple rows selection

• By Erel
• Feb 6, 2019

Edit: Don't use this code. Use B4XTableSelections class instead:

[B4X] B4XTableSelections - extended selection modes for B4XTable

B4XTableSelections extends B4XTable and adds new selection modes: SINGLE_CELL_TEMP - this is the built-in selection mode. Unlike the other selection modes it disappears automatically. SINGLE_CELL_PERMANENT - selection of a single cell. SINGLE_LINE_PERMANENT - selection of a single line...

www.b4x.com

This...

 

Last edited: May 25, 2020

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Prevent accidental clicks

• By ilan
• Feb 1, 2019

I had issues when i did an animation like clicking on a button and shrink it that if you click twice on it it will perform 2 times or more the animation you want to do or if you start a task that...

 

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Immersive Mode with Notch area support

• By Brandsum
• Dec 20, 2018

Original tutorial: Immersive Mode - hide the navigation bar (by @Erel )

So the above tutorial works for those devices which do not have a Notch. Devices with a notch will...

 

Attachments

• ImmersiveMode_With_Notch_Area_Support.zip

  9.5 KB · Views: 822

Last edited: Dec 21, 2018

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Changing the theme at runtime

• By Erel
• Aug 16, 2015

Using the hooks feature it is possible to change the Activity theme at runtime.

The theme is set before the activity is actually shown. This means that in order to change the theme we need to...

 

Attachments

• ThemeChange.zip

  8.5 KB · Views: 1,616

Last edited: Jan 25, 2019

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FirebaseAdMob and User Consent

• By Erel
• May 23, 2018

Use instead: AdsHelper extends FirebaseAdMob2 / Google Mobile Ads v20.0+

More information: https://developers.google.com/admob/android/eu-consent
By default, AdMob serves...

 

Last edited: Jun 22, 2021

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Onkyo TX-NR676 Receiver controlled over IP Address

• By Robert Valentino
• Jan 19, 2019

I want to control my Onkyo TX-NR676 Receiver from my Music Program (Turn On, Set Volume, Set Listening mode, etc) so I created this little test program to figure out what I needed to do.

In case...

 

Attachments

• Screenshot_20190119-145837.png

  18.5 KB · Views: 522
• Onkyo-TX-NR676.zip

  26.3 KB · Views: 419

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Convertir Numeros a Letras

• By hacosta
• Jan 14, 2019

B4A Convertidor de Numeros a Letras

 

Attachments

• ConvLetras2.Zip

  425.1 KB · Views: 549

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JumpingSmiley - GameView example III

• By Erel
• Feb 7, 2013

This is another example of GameView: GameView - Create 2D Android games - Part I

This is a simple "jumping" game where the user controls the movement by tilting the device...

 

Attachments

• JumpingSmiley.zip

  27.7 KB · Views: 1,592

Last edited: Feb 9, 2016

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Simple Photogallery using a Scollview

• By ilan
• Dec 29, 2018

hi,

this is a simple example that shows how you can use a scrollview and create a photo gallery.

(source code is included)

have fun

 

Attachments

• ScrollView - B4A.zip

  49.9 KB · Views: 534
• Screenshot_20181228-154021.jpg

  132 KB · Views: 727

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Walkie Talkie - Audio streaming over Wifi or Bluetooth

• By Erel
• Jun 30, 2013

This example implements a simple "walkie talkie".

(src: wikipedia)...

 

Attachments

• Walkie-Talkie.zip

  10.7 KB · Views: 11,144

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B4A Book Updated to Version 8.30

• By 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...

 

Last edited: Jun 25, 2018

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Material Design 2 - Using the AppCompat library

• By 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...

 

Attachments

• AppCompatExample1_2.0.zip

  8.1 KB · Views: 2,423
• AppCompatExample2_2_0.zip

  8.3 KB · Views: 2,910

Last edited: Jul 31, 2016

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Android Native Contacts Phone Number Picker

• By Hamied Abou Hulaikah
• Jan 4, 2019

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

 

Attachments

• nativeandroidphonenumberpicker.zip

  11.8 KB · Views: 563

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[B4X] Working with GoogleTasks using REST

• By 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...

 

Last edited: Dec 26, 2018

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Easy Sample Translator inside a Code

• By scsjc
• Dec 28, 2018

I share this little code to handle translation within the app



regards

 

Attachments

• translate.zip

  8.7 KB · Views: 718

Last edited: Dec 28, 2018

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Book for programming Pi, Arduino and more applications with B4A

• By 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...

 

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