Tutorials & Examples

Android development starts here. Please do not post questions in this sub-forum.

Erels B4X Oveview from Walt's B4xGoodies - created with B4xgoodies Explorer using BVAD3

Erels B4A Oveview from Walt's B4xGoodies - created with B4xgoodies Explorer using BVAD3

Ola

Below is an overview of everything posted by Erel based on Walt's B4X Goodies. Hope it helps someone. We updated the OverView Creator to be now based on BANano, here is the post...
 
Last edited:

how to write cpcl printer language in b4a

dear all,
i am newbie in b4a, I would like to know if anybody had written a sample program which using cpcl (mobile thermal printer) (for example zebra rw420/zq520) to do printing from b4a apps...
 

FCM messages checklist (prevent issues)

With newer Android versions came more options for power saving and permissions we have to deal with. There are a lot of threads about FCM messages not arriving or beeing delayed. Here's a small...
 

Display musical notation in your apps

I have been looking for ages for a suitable music renderer to use with Android, I looked at ABC4j, but it is built for Swing views and is not an easy port for Android.

I recently came across ABC...
 

Attachments

  • Demo1.zip
    104 KB · Views: 1,119
  • Demo2.zip
    106.7 KB · Views: 953
Last edited:

[B4X] B4XPages - Cross platform and simple framework for managing multiple pages


B4XPages is a library that serves two purposes:

1. Make it simple to develop B4A apps by solving almost all of the challenges involved with Android complex activities life cycle...
 

Attachments

  • ThreePagesExample.zip
    410.4 KB · Views: 7,930
Last edited:

Google Vision/Play Services OCR example

1. Take Erel's QR/Barcode-Reader example: QR
2. Change/add the following:

In the manifest change the last line to "android:value="barcode,,ocr,,face""
B4X:
'************ Google Play...
 

✅ Match the flags. Simple XUI cross platform game tutorial for new B4X B4A developers - Newer developers

Hello B4X'ers,
This morning as my new clients are currently beta testing software that I developed for them using B4J ?, I thought to myself lets create a quick and simple game using B4A for the...
 
Last edited:

ADeveloper - B4A tutorials

follow us in social networks please ? :




I started a channel in youtube for B4A. Erel made some other tutorials which you can find...
 
Last edited:

[B4X] Mobile App Website - No-Code Builder (Landingpage, Legal notice, privacy policy)

Hey, I found this interesting website today on Producthunt.com.
Create a mobile app website in 60...
 

[B4X] [B4XPages] Splash Screen

B4A, B4i and B4J splash screen implementation. The implementation is different in each platform.

1. Don't miss the manifest editor code in B4A.
2. Don't use %y in the code. Use Root.Height...
 

Attachments

  • Project.zip
    67.7 KB · Views: 3,767
Last edited:

Self sms Verification

This simple example illustrate how to verify user phone number using self sms.
The example send sms from user phone to his/her phone.
No need for extra external third parities sms gateway.

FAST...
 

Attachments

  • self_sms_verification.zip
    10.9 KB · Views: 708

B4A Rapid book updated to B4A 10.6


I am happy to announce that the both the paperback and electronic versions of the B4A tutorial and reference book “B4A Rapid Android App...
 

Check if Device Rooted

I hope this example helpful
It will check if the device is rooted or no.
 

Attachments

  • checkroot.zip
    9.3 KB · Views: 630

[B4X] Postman Tutorial

Before some time I have posted my findings upon an application that allows you to test WebAPIs, tinker with them and eventually use the JSON in your projects. This application is postman. Here is...
 
Last edited:

[B4X] B4XTable with custom cells layout



Requires B4XTable v1.01+...
 

Attachments

  • B4XTable-Flags.zip
    429.3 KB · Views: 3,280

? [B4X] [XUI] [B4XPages] B4A recreating Google Trends results with xCharts - Newer developers

Hello to you all,
Here is an extremely simple example on how to easily recreate Google Trends results using B4XPages with B4A and the xChart library. In this example I used Google...
 
Last edited:

✅ [B4X] [XUI] [B4XPages] B4A 'Erel Says' hand, eye memory game - Newer developers

Hello to you all,
I decided to recreate this simple but effective game example, the game is based on the B4XPages library. The game is designed for hand, eye and memory coordination, so I called...
 
Last edited:

Add text to image and save it ("water mark")

Hi all.
I found this example in some old folders on my pc and decided to share here.
it is a simple example of how add a text into a bitmap and later save it as image file.

...
 

Turn your camera flash light into a torch - also with Java code inside the B4A project

See attached project. I have created this simple torch (on / off) by making use of java code found on the web and compiling it with Simple Library Compiler. Library files inside the /files folder...
 

Attachments

  • JHSTORCH_v1.zip
    23.3 KB · Views: 1,592
  • JHSTORCH_v2.zip
    117.3 KB · Views: 2,070
Last edited: