Tutorials & Examples

I wasn't sure were to put this, its simply a dev tool I built to view all the available drawables, as defined at http://androiddrawables.com/.

I built this small tool for myself, but...

 

This tutorial is based on an old version of Dropbox API. For new projects it is recommended to use the Dropbox Sync library:
http://www.b4x.com/android/forum/threads/30112...

 

Old and irrelevant tutorial. Follow this one instead: [B4X] Net library (FTP, SMTP, POP) with Wait For

This tutorial covers the FTP object which is part of the Net library.
The Net...

 

Edit: widgets are handled with receivers now. See the attached example.

This tutorial will explain how to implement your own home screen widgets (also named App Widgets).

It is important...

 

Please start with the first part of this tutorial if you haven't read it before.
In this part we will build a "quote of the day" widget...

 

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...

 

For new projects it is recommended to use the more recent API (v3): http://www.b4x.com/forum/basic4andr...ls/29997-android-app-billing-v3-tutorial.html

Android...

 

New version: GooglePlayBilling - In App Purchases

Spoiler: Old version. Not relevant

This tutorial covers the new API for in-app billing provided by Google.

The main differences between v3 and the previous...

 

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...

 

JSON format is a a format similar to XML but usually it is shorter and easier to parse.
Many web services now work with JSON. JSON official site: JSON

Using the new JSON library, you can...

 

Using the new LiveWallpaper library you can now create your own live wallpapers. The user can set live wallpapers by long pressing on the home screen and choosing Wallpapers - Live Wallpapers...

 

Hi everyone,

I do not know if this is a suitable tutorial for this forum but I just found out and I am absolutely thrilled with it. There is a way to send SMSs from your mobile phone even from...

 

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

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

 

This is an example of choosing a phone number from native android contacts picker.

 

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...

 

New video tutorial:



Lets start simple:
Each B4A program runs in its own process.
A process has one main thread which is also named the UI thread which lives as long as the...

 

Correct link: https://www.b4x.com/android/forum/t...s-firebase-cloud-messaging-fcm.67716/#content

 

The code in this tutorial should not be used for new projects.
New tutorial: https://www.b4x.com/android/forum/threads/android-bluetooth-bluetoothadmin-tutorial.14768/#content

This...

 

Using the phone accelerometer it is possible to handle shake events.
The problem is of course to decide if the stream of values represents a shake.

The Shake code module finds shake patterns and...

 

With the new Sip library you can make audio calls using Voip (Voice over IP) services.
Sip features were added in Android 2.3 (API level 9). Note that not all devices above Android 2.3 support Sip...