Tutorials & Examples

Hi all:


I'm starting (at last) to work with B4XPages, so I've started to adapt the B4XPages + B4XDrawer example.
I think I’ve seen more examples with php + mysql, but no...

 

example of getting file property information from uri provided by content chooser or received file shared to the app. Curtesy of Erel’s example: Received Share. Shows File name, Mime Type...

 

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...

 

Hi all.
I found this example in some old folders on my pc and decided to share here.
it is a simple layout example, the app is whatsapp

This example use a clv and tabstrip

...

 

Here is a ContentChooser Example project to choose a image at phone for use in a activity with image view. it works with B4A 9.x and Android 8.1...

 

Using the feature of resident images of Datecs dpp250. This is the way I found with Erel help to convert a 1 Bit BMP to ESC format, download to the printer, clean printer memory, write printer...

 

Hi All.
Here is a very very simple example of how make a chat using clv.
the text and name is ajustable automatic, you can receive any text and the code will ajust using the correct size.

The...

 

Hi.

This is example with two simple classes "ParallaxLayer" and "ParallaxBackground".
It help us to make scrolling backgrounds very easily in just few lines of code and
"unlimited" number of...

 

I have been looking for ages for a suitable music renderer to use with Android, I looked at ABC4j, but it is built for Swing views and is not an easy port for Android.

I recently came across ABC...

 

The attached project will generate and solve Sudoku puzzles (9x9). The code to solve the puzzles with was adapted from here (converted to B4A). The code to generate Sudoku puzzles with comes...

 

It began in the english Forum.

In the english part of the forum i wrote an ftp example for @schimanski a few days ago which uses a "FTP Download Queue". all files are put into a list...

 

I have used @Erel's sample project from here:

Camera2 - Still images and videos

Camera2 library is based on the Camera2 API introduced in Android 5 (API 21). It is designed to work together with CamEx2 class. It is supported by B4A v7.3+. The library will be included as an internal library in the next update. Both image capturing and video recording are supported. CamEx2...

www.b4x.com

Have added a timer to get the preview bitmap every...

 

Hi All.
I made this example for a chatbot app here on brasil and now i want to share it here.

This example use xCLV and IME lib (Already in B4A).
The messages fit...

 

The attached code shows how to create a Floating Menu Button, you can show the button by clicking on a button or a swipe gesture (right edge of the screen).

This is a guide that hopefully will...

 

I took the BTPrint.zip and modified it to print to my HP Deskjet 100 Mobile using Bluetooth

Attached find a new Zip BTPrint-2.zip (did not want to confuse it with the other one) and a PNG files...

 

Hi all i made a simple crop example, later many try and try its here
if this help someone

Im using the @warwound lib TouchImageView
many thx to @warwound

this sample have one...

 

Hi all.
I found this example in some old folders on my pc and decided to share here.
it is a simple layout example of SlidingMenu

this example use this lib...

 

It is mostly based on this posting. It is a 3D spinning cube. The code is very simple (the lib does all the hard lifting). You can change the images of the 6 x faces of the cube by...

 

See attached project that you can use to make personalized QR codes with. Image that is superimposed over the QR code should preferably have a transparent background. You can do things like this...

 

Hello everyone,

First of all, I want thank Erel, DonManfred and KMatle because a lot of the codes for them.

In this example (Select an image from gallery and display it, Resize the image, Save...