Tutorials & Examples

The Excel library is a new library that wraps the open source jexcel project and allows you to read or write Excel workbooks. This library supports XLS files. The new xml based format (xslx) is...

 

In case anyone is interested I attach a modified version of Erels' ThreePagesExample for B4A only. It demonstrates the following enhancements.

1) B4XMainPage requests a Runtime permission.

2)...

 

https://www.zdnet.com/article/googl...001503c2c&utm_campaign=trueAnthem:+Trendin...

 

Sharing code between the platforms is quite simple with the reference modules feature: https://www.b4x.com/android/forum/threads/b4x-modules-files-groups-and-folders.86587/#content
Once you...

 

@Pendrush recently introduced its wrap of the In-App Review Library.
After a rework, the solution now works great...

 

This is a new feature. It is included in B4J v8.50 and B4i v6.80 (betas) and will be included in the next versions of B4A and B4R.

This is a very simple and useful feature. When you...

 

Here is the example of SlowMo video capture using Camera2 API and CamEX2 class. This is the code for recording slow-motion video which you can find at the bottom of CamEX2 Class of attached...

 

After reading so many threads from new 'member' s , I feel that we have to make humble request to all new members :

Do not start a B4A project before you read the guides....

 

This tutorial is relevant for B4A and B4J.
During compilation B4A generates Java code which is then compiled with the Java compiler and converted to Dalvik (Android byte code format).
There...

 

Better implementation based on B4XPages:

[B4XPages] Bluetooth Chat Example

Updated implementation, based on B4XPages of https://www.b4x.com/android/forum/threads/android-bluetooth-bluetoothadmin-tutorial.14768/#content. The code is much simpler compared to the previous example. Note that you can call Serial.Listen without making the device discoverable. This is useful...

www.b4x.com

Tutorial was rewritten in April 2018.
We will create...

 

B4XImageView is a new custom view, added to XUI Views v2.40.

It adds several useful resize modes to the standard ImageView:

(Images source...

 

I am happy to announce that the B4A tutorial and reference book "Rapid Android App Development using BASIC" by Wyken Seagrave has now...

 

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This video takes you through the process of creating onboarding...

 

This is an old tutorial. It will not work on new versions of Android. You should either generate a random value when the app starts for the first time or use the advertising id...

 

We are delighted to announce that our best-selling book "B4A Rapid Android App Development using BASIC" is now available in Spanish...

 

Note: You should use B4A 6.0 or above for this tutorial.

With the ACToolBar(Light|Dark) object we can get access to the Menu object of the activity. This opens the possibility for modifyable...

 

It's recomended to use a real device or the Android SDK included emulator.

But if you for some reason want to use NoxPlayer as emulator it is easy!

Alternative 1 - Connect B4A IDE directly to...

 

ETP is a series of video tutorials about B4X. The purpose is to allow developers with any programming experience, including no experience, to learn how to program with B4X.

The videos are...

 

Data source: https://ourworldindata.org/coronavirus-source-data

Cross platform example based on B4XTable and xChart...

 

RandomAccessFile v1.30 introduces two new methods named: WriteEncryptedObject and ReadEncryptedObject.
These methods are similar to WriteObject and ReadObject methods. The difference is that the...