Tutorials & Examples

Material Design 4 - Modifyable and advanced Menu

• By corwin42
• Jan 8, 2015

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

With the ACToolBar(Light|Dark) object we can get access to the Menu object of the activity. This opens the possibility for modifyable...

 

Attachments

• ToolBarMenuExample2_0.zip

  18.6 KB · Views: 4,333

Last edited: Jul 31, 2016

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How to use NoxPlayer with B4A

• By knutf
• Jan 11, 2020

It's recomended to use a real device or the Android SDK included emulator.

But if you for some reason want to use NoxPlayer as emulator it is easy!

Alternative 1 - Connect B4A IDE directly to...

 

Last edited: Jan 12, 2020

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[B4X] B4XPages - Converting to B4XPages

• By Alessandro71
• Jul 27, 2020

I'm opening this thread to collect tricks and caveats I'm coming across while converting my projects to B4XPages

CallSub from Service
Looks like a service that is started at boot may...

 

Last edited: Jul 29, 2020

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[B4X] Erel Teaches Programming - video tutorials

• By Erel
• Jan 25, 2018

ETP is a series of video tutorials about B4X. The purpose is to allow developers with any programming experience, including no experience, to learn how to program with B4X.

The videos are...

 

Last edited: May 28, 2018

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[B4X] Corona Cases - Cross platform Example

• By Erel
• Mar 18, 2020

Data source: https://ourworldindata.org/coronavirus-source-data

Cross platform example based on B4XTable and xChart...

 

Last edited: Jul 15, 2020

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Encrypting information with RandomAccessFile library

• By Erel
• Sep 18, 2011

RandomAccessFile v1.30 introduces two new methods named: WriteEncryptedObject and ReadEncryptedObject.
These methods are similar to WriteObject and ReadObject methods. The difference is that the...

 

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How to make a simple loading screen

• By Douglas Farias
• Apr 1, 2014

Here is a simples exemple how to make a simple loading screen with a timer.
you can use to make a splash screnn too.

is based on webview
-html
-css

The html and gif is on files folder

This is...

 

Attachments

• loading.zip

  378.6 KB · Views: 2,264
• 1.png

  3 KB · Views: 1,471
• 2.png

  5.7 KB · Views: 1,428

Last edited: Oct 12, 2014

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MySQL data to webview using PHP

• By Mashiane
• Mar 28, 2019

Hi there

The purpose of this is to demo how one can add, update, read and display mysql database records into a webview.


1. Setting up development environment

For this...

 

Attachments

• PhpLoginSourceCode.zip

  14.1 KB · Views: 1,392

Last edited: Apr 8, 2019

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GOOGLE MAPS ON WEBVIEW (No API key)

• By Tayfur
• Aug 24, 2016

Edit by Erel: Don't use WebView for this. Unlike Google Maps SDK, it is not free, more difficult to implement and Google Maps SDK will work better...

 

Last edited by a moderator: Jul 8, 2020

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Analog24hClock - Post #12

• By Johan Schoeman
• Jul 7, 2015

It wraps a tiny bit of this - just enough to show the clock. Thought it looked quite nifty...Have done nothing special to it other than painting the hands and the face a bit... Lib...

 

Attachments

• Analog24hClock.zip

  494.3 KB · Views: 1,014
• src.zip

  262.6 KB · Views: 985

Last edited: Jul 9, 2015

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[B4X] [B4XPages] What exactly does it solve?

• By Erel
• Jun 15, 2020

B4XPages makes many things simple and even trivial.
As Android developers, we are dealing with these challenges for many years now so it might take us a while to understand how simple things can...

 

Last edited: Jul 22, 2020

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[B4X] Creating a cross platform custom view packed as b4xlib

• By Erel
• Jul 24, 2019

The attached b4xlib library is a cross platform list of colors:

It is a XUI custom view. The custom view is based on two...

 

Attachments

• ColorsListProject.zip

  18.4 KB · Views: 822
• B4J ColorsList Usage Example.zip

  1.9 KB · Views: 802
• ColorsList.b4xlib

  9.4 KB · Views: 729

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[B4X] [B4XPages] Network + AsyncStreams + B4XSerializator

• By Erel
• Jun 14, 2020

Cross platform version, based on B4XPages, of...

 

Attachments

• Network Example.zip

  220.7 KB · Views: 3,253

Last edited: Jun 30, 2020

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[B4X] CloudKVS - synchronized key / value store

• By Erel
• Feb 15, 2016

CloudKVS solves a difficult and common problem. The user needs to work with online data, however as this is a mobile app we cannot assume that the device will always be connected to the remote...

 

Attachments

• B4J_ServerKVS.zip

  2.8 KB · Views: 2,418
• B4i_ClientKVS.zip

  8.7 KB · Views: 1,492
• jBuilderUtils.zip

  2.3 KB · Views: 3,083
• B4J_ClientKVS.zip

  6.4 KB · Views: 1,883
• B4A_ClientKVS.zip

  11.6 KB · Views: 2,394

Last edited: Jul 17, 2016

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[B4X] Cross platform example

• By Erel
• Feb 19, 2020

This is a simple example that demonstrates a recommended method of sharing code and files between B4A, B4i and B4J.
It is...

 

Attachments

• Guess My Number.zip

  227.1 KB · Views: 1,026

Last edited: Apr 12, 2020

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Simple Compass

• By Johan Schoeman
• Apr 9, 2016

Have done this just for the fun of it. Have wrapped this posting. The B4A code is short and sweet:

B4X:

#Region  Project Attributes
    #ApplicationLabel: Compass
    #VersionCode: 1...

 

Attachments

• TheJavaCode.zip

  37.4 KB · Views: 1,156
• b4aCompass.zip

  105.8 KB · Views: 1,466
• CompassLibFiles.zip

  6.5 KB · Views: 1,483

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[B4X] SwiftButton - Adding Click/LongClick event

• By Myr0n
• Jun 3, 2020

The next code add the funcionality in b4x to capture the click & longClick using Touch, in case of b4j add the option to fire the longClick using the Right Mouse Click or the secondary mouse...

 

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COVID-19 Info Example

• By IndieDev
• Jun 2, 2020

Hi,

Had made an application in B4A (my first in B4A) to display COVID-19 statistics.
Lots of data is specific to India. You can change them to reflect data from your country.

Used quite a bit of...

 

Attachments

• pkCovid.zip

  372.1 KB · Views: 700

Last edited: Jun 8, 2020

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IDE Color Schemes

• By Erel
• Jan 12, 2012

Edit: Starting from v5.00 there is support for multiple themes. See this post for more information: https://www.b4x.com/android/forum/threads/themes-and-fonts-in-5-0.54338/#post-340927

 

Last edited: Jun 11, 2015

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[B4X] Create Thumbnail and save it

• By Alexander Stolte
• May 27, 2020

Usage:

SavePictureToFile(XUIImageToJPEGByteArray(CreateThumbnail(xui.LoadBitmapResize(File.DirAssets,"Snapchat-248558753.jpg",150dip,150dip,True)),150dip,150dip,50),File.DirRootExternal,"test.jpg")

...

 

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