Tutorials & Examples

Creating a table view based on ScrollView

• By Erel
• Dec 17, 2010

A much improved version is available here.

You can use the code in this example to show data in tabular form.

The table is...

 

Attachments

• TableExample.zip

  5.7 KB · Views: 6,672
• TableExample1.1.zip

  12.2 KB · Views: 7,049

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Android Wear Install App via Bluetooth

• By Alexander Stolte
• Nov 5, 2018

Hello, i see here, that many people have problems to install there wear app to his watches.
I list the steps that are needed so that you can quickly look up when you need it.

Phone:
-install the...

 

Last edited: Nov 5, 2018

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Load HTML to Label

• By Brandsum
• Jun 9, 2019

(Here is the iOS version)
This is how you can set HTML data to Label (works only in release mode),

Dependencies: StringUtils, jSoup, LabelExtras

Here is the code,

B4X:

Dim...

 

Last edited: Jun 9, 2019

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Compiling through Google Drive Filestream

• By bluedude
• Jun 5, 2019

Hi,

Last couple of days I have been testing compilation of B4A programs through Google Drive Filestream. Although it is a little bit slower it has a lot of advantages to do this:

- your OpenJDK...

 

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B4ABuilder / B4JBuilder - Command line compilation

• By Erel
• Feb 2, 2015

B4A v4.30 includes a new tool named B4ABuilder.exe (and B4J includes a similar tool named B4JBuilder.exe).

This tool allows you to compile your projects from the command line. This can be useful...

 

Last edited: Apr 18, 2021

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Using and understanding Pointers and References

• By wonder
• May 27, 2019

Yes, you heard me right! It is possible to utilize the pointers and references (at least in terms of behavior) in B4X Java-based languages (B4A and B4J).

There is a lot to explain about...

 

Last edited: May 27, 2019

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Eyes follow example code

• By Douglas Farias
• May 26, 2019

Hi all.
Here is a simple example of how make a eyes folow the touch on a panel.





another example

a source is attached

 

Attachments

• move.zip

  100.4 KB · Views: 468

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Android Things - Getting Started

• By Erel
• Jan 3, 2017

Android Things is a new project of Google that extends the Android OS to SoC (System on a Chip) boards such as Raspberry Pi and Intel Edison.

https://developer.android.com/things/index.html...

 

Last edited: Jan 3, 2017

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[B4X] [etp] Forms & User Input video tutorial

• By Erel
• Apr 30, 2019

More videos: https://www.b4x.com/etp.html

The example app is attached.
Note that the correct library that needs to be checked, except of B4XPreferencesDialog, is XUI Views...

 

Attachments

• User Input.zip

  2.7 KB · Views: 898

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[B4X] [XUI] CustomListView with animated header

• By Erel
• Sep 24, 2017

New CLVHeader class replaces this implementation: https://www.b4x.com/android/forum/t...ce-animated-header-to-xcustomlistview.105343/

...

 

Attachments

• B4A_CLV_Header.zip

  14.3 KB · Views: 1,239
• B4i_CLV_Header.zip

  7.5 KB · Views: 703

Last edited: Apr 30, 2019

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Catch Webview Item's Longclick without late Javascript injection

• By fredo
• Apr 17, 2019

Sample project to intercept clicks and longclicks on images or text portions in a webview.

The test project was created, because it became necessary to find a suitable solution from the very much...

 

Attachments

• WebViewLongClick_03.zip

  242.2 KB · Views: 475

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MapsDecodePolyline

• By me68
• Aug 2, 2013

Hello!

As already told in another thread, i'm working on a navigation app using Google Maps API in combination with Google Directions http-requests for routing.

The http-Requests looks as...

 

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targetSdkVersion 28 (Android 9.0)

• By Erel
• Apr 4, 2019

Starting from August 2019 for new apps and November 2019 for updates, Google Play requires apps to set targetSdkVersion to 28.

The tutorial was updated with information related to API level 28...

 

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[Example] Add OCR features to your Android application

• By Erel
• Mar 7, 2013

This example demonstrates how you can use an OCR web service to recognize text in camera images.

The program allows you to take a picture and then send it to OCRWebService.

OCRWebService...

 

Last edited: Apr 14, 2019

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[B4X][IoT] - Monitor the home temperature with Adafruit IO

• By Erel
• Jun 19, 2017

Adafruit IO is a cloud service built for IoT solutions. It provides two interfaces: MQTT and REST API. It is very simple to use it with B4X as demonstrated in this example.

It is more than...

 

Attachments

• B4R_IO_Adafruit.zip

  1.1 KB · Views: 1,238
• B4A_IO_Adafruit.zip

  8.1 KB · Views: 1,648
• B4i_IO_Adafruit.zip

  3.6 KB · Views: 912
• B4J_IO_Adafruit.zip

  2.4 KB · Views: 1,049

Last edited: Jun 20, 2017

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[B4X] Input dialogs with XUI Views

• By Erel
• Jan 6, 2019

B4XDialog from XUI Views library can show simple dialogs, template based dialogs and custom dialogs.

The example...

 

Attachments

• B4A Dialogs.zip

  10.5 KB · Views: 5,208
• B4J Dialogs.zip

  3.7 KB · Views: 1,774
• B4i Dialogs.zip

  62.4 KB · Views: 1,298

Last edited: Jan 23, 2019

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[B4X] B4XTable - Adding custom navigation buttons

• By Erel
• Feb 6, 2019

Depends on B4XTable v1.01+

It is very simple to add your own navigation features.

Code:

B4X:

Sub btnNext_Click...

 

Attachments

• B4XTable With Navigation Buttons.zip

  59.9 KB · Views: 1,246

Last edited: Apr 8, 2019

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Check Trial Period using Dropbox (new with admin tool)

• By Tempomaster
• Mar 30, 2019

Check Trial Period using Dropbox (first version, improved version in Post #2)

Hello,

I have tried to find a solution to solve the control of the trial period of an app using the...

 

Attachments

• encryptpw.zip

  297.9 KB · Views: 478
• jackson-core-2.7.4.jar

  247.1 KB · Views: 479
• trialcheck.zip

  347.4 KB · Views: 447

Last edited: Apr 3, 2019

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Simple example B4XDrawer sliding drawer class with materialicons and fontawesome icons

• By A0_2_A7
• Apr 4, 2019

Good afternoon, I contribute to the community with a small example of the class B4XDrawer with material icons and fontawesome icons.

Thanks to the whole...

 

Attachments

• Simple_example_B4XDrawer.zip

  12.4 KB · Views: 1,022

Last edited: Apr 4, 2019

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Android InApp Purchase Tutorial + Source Code

• By ilan
• Feb 18, 2016

Hi,

in this tutorial i will show you how to add an in app product to your android app.

There is an official tutorial by @Erel so you should also check that out...

 

Attachments

• InApp.zip

  3.2 KB · Views: 902

Last edited: Jun 11, 2019

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