Tutorials & Examples

This has plagued me for months... (drove me nuts!)

I would try to insert a record in a table within an activity (using CallSubDelayed2) - then start another activity and presented with a Black...

 

I found myself increasingly frustrated by my attempts to use the all the amazing AppCompat libraries and tutorials only to end up with reams of Java errors.
So to help those who might have/be...

 

Introduction

Internationalizing your app is nowadays the #1 task. Localized content if always preferred. LayoutView makes translating your layout views automatic and...

 

Background

One of the most common issues that Android developers face is the need to adopt the user interface to devices with different screen sizes.
As described in the visual designer...

 

p/s: i have uploaded patch file audio.xml

you must replace this file to your core library folder
(Exam: C:\Program Files (x86)\Anywhere Software\Basic4android\Libraries)

Thank @Erel and...

 

So you have some nice MySQL databases but what about backups? Copying the db files is a very bad idea and will lead into corruption. Here's a small script (copy it to a Windows batch file =...

 

A new edition of B4A by Wyken Seagrave has just been released. It covers Version 5.02 and has many improvements over the previous edition.

It is available in 3 electronic versions: PDF, MOBI (for...

 

I see a lot of code where user id's, passwords or other critical Information is stored inside the code. Problem here is that the code can be decompiled very easy and someone can extract the...

 

It is recommended to use Firebase for new projects: FirebaseNotifications - Push messages / Firebase Cloud Messaging (FCM)

This solution allows you to use the standard GCM push...

 

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...

 

With this video I intend to show how simple it is to create a native based B4A lib, using my Native Library Generator.
For that purpose, I'll be writing and testing my code in Visual...

 

The IDE Intellisense is wonderful for actually writing code but for browsing the available objects to see what is on offer it is a bit tedious so this afternoon I have knocked up this pretty awful...

 

I was in need of google sign in using PlayServices but cant find any wrapper for that in b4a,Then i found this solution.

Purpose of the Sign in app is to fetch details about the google account...

 

Introduction

This is a DesignerCustomView control which is based on the native android movie view and will allow you to display animated gifs (transparent ones as well)...

 

The latest alpha version of MOBAC supports rendering tiles from a local MapsForge database.

http://mobac.sourceforge.net/forum/viewtopic.php?f=1&t=526

This allows MOBAC to render...

 

For those having problems with the Android Videoview, here is a possible alternative that may be worth trying.

It's a javascript open source HTML5 video player for playing videos in a webview...

 

Until Basic4android v2.00 the way to pass information between activities and services was through process global variables.

CallSubDelayed makes it much simpler. It allows you to call a sub in...

 

Let's face it, making good looking buttons with core B4A is cumbersome and all those JPG's with different resolutions and colors are a real pain to manage, plus they bloat your application...

 

Sliders are a very useful and common control but are not part of the core B4A product. In this lesson we are going to build a slider control like the one shown in the screenshot.

To build a...

 

Toggle Buttons and Check Boxes are standard fare for any program but to make them look good you need StateListDrawables and bunches of Image files. With SmartHost you can use font characters or...