Tutorials & Examples

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

Requirements for New Apps on the Play Store

Due to the new Android developer verification, we now need to follow some steps to publish a new app on the Play Store.

This link contains all the information...
 
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Creating MS Word Docx in Android

This is an incomplete example - only trying to for now create a basic MS Word *.docx in android. Note the following:

1. You need to download "poishadow-all.jar from here...
 

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  • AndroidWordDocument.zip
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  • johan1.zip
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[B4A] [B4I] App Testing - Lambdatest Simulation/Emulation - For Android and iOS

This is not really a tutorial but an informative post that I thought would be of some interest to the community.......

I have been using appetize.io for testing my B4A and B4I Apps and I...
 
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Tips or Tricks for using Android Emulator

I want to share a few tricks when using the Android Virtual Device or Emulator.

1. Increase font and icon size
Go to Settings (gear icons) from drawer/desktop/slide down menu and choose...
 

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[Video Tutorial] High and Low Game for beginners

In this tutorial, I took you through the process of creating a trending game (High and Low) where a user tries to guess a number and gets hints if their guesses are high, low or correct.

Please...
 
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[AI] How to generate an automated changelog for a B4A.b4xlib

Hi Fam!

So i jumped into the AI wagon. As Im currently creating the B4XDaisy UIKit, i had an idea last week about creating automated changelogs about this beautiful TailwindCSS based...
 
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Turn an old Android phone into your own SMS Gateway (Firebase trigger + SENT/DELIVERED tracking)

Turn an Old Android Phone into Your Own SMS Gateway​

(Firebase trigger + SENT / DELIVERED tracking – Minimal example)

For a long time I was using Firebase Phone Auth to validate access...
 

Attachments

  • SMS Gateway.zip
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Firebase Phone Authentication in B4A using WebView + WebServer (Working Example)

Firebase Phone Authentication in B4A using WebView + WebServer (Step-by-Step Setup)​

This example shows how to implement Firebase Phone Authentication in B4A using a WebView + remote...
 

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  • webserver.rar
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  • firebaseauthphone_web.zip
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In-App Review Class

Hi,

This is In-App Review class :

1 - You need to install these libraries using SDK Manager :
B4X: 
com.google.android.play:review
com.google.android.gms:play-services-tasks...
 

Attachments

  • InAppReviewHelper.bas
    11.2 KB · Views: 141
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[B4X] AS FeatureRequest - Approved and implemented requests

[B4X] [XUI] AS FeatureRequest [Payware]

AS FeatureRequest is a lightweight, easy-to-integrate library that allows you to present a list of potential features to your users, enabling them to vote on the ones they find most valuable. By collecting and prioritizing user feedback, you can accelerate the development of the most desired...
www.b4x.com

In this example I show how easy you can display 2 pages, with the features that are under development and...
 

Attachments

  • AS_FeatureRequest Supabase Approved and implemented requests Example.zip
    181.8 KB · Views: 520
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[B4X] Firebase Push Notifications 2023+

Google has deprecated the previous method of sending push notifications. It will stop working on June 2024.
If you have an already working solution then you only need to update the B4J side. Do...
 

Attachments

  • B4J-SendingTool.zip
    1.8 KB · Views: 2,054
  • PushClients.zip
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Get rid of faulty row in table SQLite_Master

After running some faulty code I ended up with a faulty entry in the SQLite SQLite_Master table.
This was a table name called NON_CLINICAL.db.JOURNEYS. This name is faulty and was causing
all...
 
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Google Play store - Info for new individual developers

You are probably aware that the play store has new requirements for new individual developers to publish an app.

Having been through the grinder to get my simple app published, I wanted to share...
 
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B4X Forum Search Tool - Command Line Search for AI Assistants & Developers

I created a simple Node.js tool that searches the B4X forums directly from the command line. It's particularly useful when working with AI coding assistants like Claude Code, Codex CLI, Cursor, or...
 
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[B4X] B4X Forum Repository

Attachments

  • ForumExtractor.zip
    4.4 KB · Views: 388
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[B4X] DateUtils - Simplifies Date and Time Calculations

DateUtils is a code module with a set of useful date and time related methods.
It complements DateTime api, it doesn't replace it.

The methods included in DateUtils:

B4X: 
'Calculates the period...
 
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Libraries that do not support 16kb alignment?

Many have gotten the information about their Apps not aligned with the 16KB. Here is how to check which specific libraries are causing the issue

Note: You have to check for each app individually...
 
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Google Authorization – Fix for ClearTokenRequest Class Not Found Error

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[B4A] [B4XPages] OSM Maps / FusedLocationProviderClient GMS

May 4, 2024 - Start of tutorial post...

Based on:

Open Street Map viewer - GPS

Hi, This b4Xlib contains a custom view (cvMap) which can display Open Street Map. The tiles are retrieved from the internet and cached in a database. You can add shapes and images on the map. UI : - Lat/lng Center of the map - Zoom Level - Compass Direction with rotation - Scale - Button...
www.b4x.com

The original project was based on the GPS object /...
 
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Android 16KB Page Size Compatibility Checker

This script checks for all the necessary markers to be sure your APK/AAB/SO files are 16KB page size compatible.
It has been simplified to easy usage.


What Does This Check?​

Starting with...
 
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