Tutorials & Examples

Hi All,

Below are my notes on getting a widget preview image to appear in the widget list. The preview image appears in place of the app icon (if used).

1) Create a png with the preview in...

 

This tutorial is deprecated. You can still use it to understand the basic communication. A newer one can be found here...

 

These instructions are outdated. Please see the instructions here instead: https://www.b4x.com/b4a.html

 

This is an old tutorial. All new implementations of network solutions should be based on AsyncStreams.

The Network library allows you to communicate over TCP/IP with other computers or...

 

For new projects it is recommended to use OkHttpUtils2: https://www.b4x.com/android/forum/threads/54723/#content

Multipart POST requests are usually used by Html Form components to...

 

I am happy to announce that the B4A tutorial and reference book "Rapid Android App Development...

 

Here's a library tutorial to hopefully show the basic steps required to create a custom ListView.

The custom ListView creates each ListView ListItem from a layout XML file - your...

 

StateListDrawable is a drawable objects that holds other drawables. Based on the view's current state a child drawable is selected.
StateListDrawable holds a list of states. States can be...

 

Hi,
I found a site that create style and theme for your app.
You can select color and views and android sdk and other
It return res folder for you that can use in your app.
For use theme in your...

 

Just a small request for the wishlist. It would be nice to be able to use Select Case using the 'greater than' and 'less than' operators <>. It makes for cleaner code than 'if' 'else' and 'end if'...

 

Part 2 see here: http://www.b4x.com/android/forum/th...a-server-using-httputils2-part-2-mysql.42456/

Well. Today we want to:

- make an app which...

 

The B4A Trial Version allows to get a good impression of the possibilities of B4A.

The trial version is limited to 30 days.

Following steps are needed to use the trial version.

Two solutions...

 

What is the keystore alias password? I know that alias is b4a but how about the password?

 

Hello,

I have a TabHost which holds 4 tabs.
I want to have a list with two columns and a checkbox for each line in the list on the forth tab of the TabHost.

How can I do it? In case it's...

 

Nice & easy: http://www.mysqltutorial.org/import-csv-file-mysql-table/

So you can import Excel sheets by saving as *.csv before or if you have files, just put some delimiters between it.

 

I learned to read XML file, thank you all! Now I need to learn how to change XML elements and save it. file. For example is XML file

<?xml version="1.0" encoding="UTF-8"?>
<group>...

 

In this tutorial we will use the following web service to convert currencies:
http://www.webservicex.net/CurrencyConvertor.asmx/ConversionRate?FromCurrency=USD&ToCurrency=EUR...

 

Hello all ,

Main advantage for this method over B4a Bridge is that it fixed issue I faced after updating my Huawei Honor 6 to Android 5.1.1 and B4A IDE stopped getting logs from Bridge .After...

 

For my latest wear app i needed two different launcher icons, each one starting one different activity of the same app. It's really easy to accomplish, it only needs to edit the manifest file...

 

Really don't know where to post this. Thought this may be a good place.

Anyway, I found this Android Compatibility Definition Guide in pdf-format which could be handy. Of course, you can find...