B4A Library In-App Billing v3 library - Erel Oct 28, 2018 (9 reactions) Accept payments with Google In-app Billing (v3) service. The tutorial is available here: http://www.b4x.com/forum/basic4android-getting-started-tutorials/29997-android-app-billing-v3-tutorial.html V1.32 - Fixes a crash that can happen when the device doesn't support in app billing. V1.31 - Allows B4J Tutorial Web API Server v3 - aeric Jan 16, 2025 (20 reactions) Part #1: Get Started
Part #2: Configure Settings
Part #3: How Does the Project Work?
Part #4: Server Handlers
Part #5: Using Code Snippets
Part #6: Add a New Field
Part #1: Get Started
Introduction
This tutorial is based on Web API Server v3.
Installation
Download and save Web API Server (3.00) B4J Tutorial [NLP] Library or Question? - Erel Sep 01, 2021 (7 reactions) 118582 Please start with this tutorial: https://www.b4x.com/android/forum/threads/nlp-sentiment-analysis.133922/ It is quite similar. In this tutorial we will try to detect whether the text belongs to a question thread or a library thread. First step is to build the train and test data. The format B4A Library WifiDirect Library - Erel Jul 07, 2015 (17 reactions) Tutorial: http://www.b4x.com/forum/basic4android-getting-started-tutorials/30409-android-wifi-direct-tutorial.html#post176526 V1.05 is attached. New Connect2 method that allows setting the group owner. Note that there is no guarantee that the system will set the owner as requested. Tool My contributions to the community - hatzisn Mar 24, 2025 (22 reactions) It contains the necessary functionality + some additions rXDM.b4xlib Set analog resolutions (read/write) in Seeeduino Xiao and Arduino Due, Arduino Maker rESP8266Tone.b4xlib - Play sounds in a passive buzzer in ESP8266 rESP8266OTA - Update to the original library by @Siam B4J NHEnvirnomentVariables B4A Library [B4X] [B4XPages] Dynamsoft Barcode Reader - Cross-Platform Barcode/QR Code Scanning Library - xulihang (first post) May 24, 2021 (5 reactions) A tutorial article is written about how the demo and library are made: Cross-Platform Barcode Reader with B4X B4A Tutorial GPS tutorial - Erel Mar 13, 2025 (23 reactions) The GNSS library replaces the old GPS library. The GNSS library is available here: https://www.b4x.-library-an-updated-gps-library.109110/#content 162530 Using it is quite simple: 1. Checking whether location services are available. If not take the user to the settings. 2. Request permission. If B4A Question Properties, Functions, Events, etc - where to look? - Mahares (first post) Nov 28, 2023 (1 reaction) You use the same principle for most other features: Go to the library documentation, familiarize yourself with its features, run its example(s). Resort to forum for help and similar examples. There are several video and non video tutorials also. Please note that in some library docs made by Erel, yo B4A Library AHNavigationDrawer - Native Google Navigation Drawer - ADeveloper (first post) Jun 03, 2020 (4 reactions) I made a tutorial for this wonderful library. I tried to make it as simple as possible ... eSqw5KTP_Bo i hope you enjoy it B4i Question B4i Objective C or Swift Library Tutorial? - Erel (first post) Oct 14, 2019 1. I recommend you to use Objective C.
2. In many cases it is simpler to write inline code or use NativeObject instead of building a library.
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