Tutorials & Examples

Setting up a new AVD (Android Virtual Device) for a Samsung Galaxy S4 proved to be a bit hit and miss so I am posting the settings that I used to get one working on Windows 7 64 bit.

The AVD uses...

 

There are numerous cases where you need to access data for your app and you need the simplest and fastest way of acquiring them. In those cases you definitely have to create an API which can be a...

 

Hello
I created an application that manages about audio files, video and other files. I have used several things, including ContentChooser. ContentChooser returns files like "content://...

 

Old and irrelevant tutorial. Many better examples, including this one: https://www.b4x.com/android/forum/threads/b4x-bitmapsasync.119589/


This example demonstrates an efficient way...

 

Thanks for your help Erel!!! I greatly appreciate your timely assistance, this active forum, the B4A community, and B4A itself!!! Gregg

Here's the Manifest file that incorporates two Intents...

 

Below you find an application with a SQLite database and a ScrollView based table.
What the program can do:
- Read a database, 'Load' button.
- Edit, modify or delete date sets (single- or...

 

If you are lazy creating views "by hand" or you simply want a "form" depending on a MySql table take a look at this small app.

Type in the Database and Table Name and the IP-Address of the server...

 

Ya can do it like this.

Add a webview to your design, lets call it WebView1

make a file initially called whatever, banner1.txt in the Files folder of your project open it in notepad and write...

 

I'm currently messing about with libGDX and will be using the Accelerometer for input. I borrowed some code from the web and B4A'd it. It includes device rotation, orientation, resolution, X, Y, Z...

 

This is an attempt to create a RPN calculator (Reverse Polish Notation - as per HP calculators). You can store (STO) and recall (RCL) values of register X. It will store and retrieve last value of...

 

Sometimes it is necessary to restore a previous version of your b4x projects/Project
you have made multiple changes but can not remember what was changed and you have to go back to a working...

 

Hi all, how can from button, show map location on google ? (without webview)

thanks

 

Here another Slid Panel.
I use the Ultimate List View ( paid from Informatix ) to swipe control, but someone can adapt the gesture library.

In the first time no image will appear in background...

 

Hi to all.
It's problem for us for access address http://localhost/your_project/script.php in Android Emulator.
if we enter http://localhost/your_project/ in emulator get error
Well...

 

This is an old tutorial. More powerful custom views: [B4X] Custom Views with Enhanced Designer Support

The attached project contains a code module which you can use in your projects to...

 

This is a Bash shell script that allows installing B4A, B4i & B4J in linux systems, along with their required dependencies.

Link to the main thread in the B4J sub-forum, please go there to...​

 

This isn't what I would call an actual tutorial, it's more like a very useful tip.

PLEASE NOTE: I'm not claiming that this is the only way to fix the issue, or even the correct way. But...

 

Using Agraham's Gestures library we can handle multitouch events.

This is an example of a simple drawing application that supports multitouch...

 

I am leaving this project here for now. The majority of the work has been done to extract the critical information of a QR code - it is reported in the text box to the right of the qr...

 

Normally a homescreen widget can only update itself every 30 minutes. A lower value is not possible in the ConfigureHomeWidget() call.

But what if you want to create something like a clock which...