Tutorials & Examples

Hello,

a another Tutorial in the category how to program a nice chat app.
This Tutorial builds on this.

The Realtimedatabase lib. supports filtering, with this feature you can filter your...

 

Hello,

A nice feature is to display whether a user is typing or not.

Most apps have a bubble added or by WhatsApp is a simple "wrtiting.." on top.

This is the result of this...

 

General Information

Normally it is not possible to create several widget instances of the same homescreen widget which all display different data.

I found a solution for this and with...

 

Important for Huawei users (or others):

Make sure your energy settings don't pause your app (even the firebase service). Huawei calls it "protected apps". If your app isn't protected...

 

I made for beginer detailed description of how to prepare a computer and phone to create mobile applications on the platform Android. I myself Russian therefore made the instruction in Russian and...

 

Update (2017/10/17): For code changes that make this a true B4X update, see post #4

This relates to the FTP Server code posted here...

 

A new more powerful framework is now available: Remote Database Connector.

This tutorial is a follow up to the previous tutorial that explained how to connect to a MySQL...

 

If you are using B4A v5.80+ then please follow this tutorial: https://www.b4x.com/android/forum/threads/google-maps.63930/#post-404386

GoogleMaps library requires v2.50 or above...

 

Edit: Things have changed with newer versions of Android and new restrictions. Sticky services should not be used any more.

Background service example...

 

Firebase has several extremely useful free server-based features for developers of mobile apps.

Spoiler: free?

The free "Spark Plan" is suitable for small business applications.​

...

 

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...

 

I'm mostly using B4A-Bridge to connect the IDE to the Android devices. The built-in video recording feature doesn't work with B4A-Bridge.

I found a good alternative...

 

How to set Airplane mode ON e OFF?

I see this:
anddev.org • View topic - How to set airplane mode on/off

How I can traduce it, with B4A?

 

The ScrollView is a very useful container which allows you to show many other views on a small screen.
The ScrollView holds an inner panel view which actually contains the other views.
The user...

 

There is a very useful online tool called SQL Fiddle that allows you to build test tables, populate them with data & run queries on them. This is great if you are trying to figure out how...

 

Using a PlayStation 3 controller with your Android Device
This tutorial is an extension of the B4A Generic Gamepad Support thread.

As you can...

 

Hello Every Who can not know to use procedure with rdc there are two ways To do that

the first one is use Call keyword like this

sql.getcategoryproducts=Call Getprodbycat(?)

this way...

 

There are several options to develop with B4A:
- Android emulator or a VM.
- Connect to a real device in USB debugging mode
- Connect to a real device with B4A-Bridge.

I recommend starting with...

 

B4A is now available in a book that covers version 7.01.

For purchase visit http://pennypress.co.uk/b4a-russian/

ANDROID – это полюбившаяся во всем мире операционная система для мобильных...

 

This tutorial explains the differences between the three methods.

The bottom line is that the best option is to use LoadBitmapResize and set the container gravity, if possible, to Gravity.CENTER...