Tutorials & Examples

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

Convert a big Activity project to B4XPages

For years is scare me to convert a big project from Activities to B4XPages, mainly because the app is only for Android (and I don't have plans to IOS or desktop), but in several issues the answer...
 
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[B4X] AS TextFieldAdvanced + AS BottomPhoneNumberFlagPicker - Simply let your users enter their phone number

Attachments

  • AS TextFieldAdvanced + AS BottomPhoneNumberFlagPicker Example.zip
    178.2 KB · Views: 416
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App Icon Change at Runtime

Attachments

  • ChangeIcon.zip
    22.2 KB · Views: 545
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[B4X] AS Scheduler - DayView

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How to change Default Android Emulator Skins (AVD) with Device Skins

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[B4X] Supabase - Realtime Presence

[B4X] Supabase - The Open Source Firebase alternative

Supabase is an open source Firebase alternative. It provides all the backend services you need to build a product. Supabase uses Postgres database with real-time capabilities. Basically, supabase provides an interface to manage postgres database that you can use to create table and insert, edit...
www.b4x.com

Share state between users with Realtime Presence...
 
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[B4X] Supabase - Realtime Broadcast

[B4X] Supabase - The Open Source Firebase alternative

Supabase is an open source Firebase alternative. It provides all the backend services you need to build a product. Supabase uses Postgres database with real-time capabilities. Basically, supabase provides an interface to manage postgres database that you can use to create table and insert, edit...
www.b4x.com

Send and receive messages using Realtime Broadcast...
 
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[B4X] Supabase - Realtime Postgres Changes

[B4X] Supabase - The Open Source Firebase alternative

Supabase is an open source Firebase alternative. It provides all the backend services you need to build a product. Supabase uses Postgres database with real-time capabilities. Basically, supabase provides an interface to manage postgres database that you can use to create table and insert, edit...
www.b4x.com

Listen to Postgres changes using Supabase Realtime...
 
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Dropbox SDK V2 - Authentification

This Tutorial belongs to the Dropbox SDK V2 - Java Library

See this thread for preparing your app to use this Library.
Especially the Manifest-Entry...
 
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[B4X] AS DraggableBottomCard - Drag Indicator - Confirm Button

[B4X] [XUI] AS Draggable Bottom Card

This is my 2k'th post on this Forum and i want to share a nice library with you i made some months ago. It was not easy to create this library, it took many hours of testing and programming to make the user experience as good as possible. If you want to support me, then you can do this here or...
www.b4x.com



DragIndicator: 
    'DragIndicator
    Dim xpnl_DragIndicator As B4XView = xui.CreatePanel("")...
 

Attachments

  • AS DraggableBottomCard ConfirmButton.zip
    11 KB · Views: 447
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[B4XPage Video] Full tutorial on building Membership Registration App

This is a request from one of my subscriber. She is to develop an app to
1. Use Database to keep records
2. Add, Delete and Update DB
3. Create User Interface using any control available (UI)
4...
 

Attachments

  • MembershipProject.zip
    505.5 KB · Views: 502
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B4XPages Video Tutorial Series

Hello, I intend to share my knowledge using B4XPages through this beginner tutorial. Please subscribe and share.

Part 1 - Getting Started with New Project

Part 2 - Adding...
 
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[B4X] AS ViewPager - Infinite scrolling

[B4X] [XUI] AS ViewPager based on xCustomListView

Hey, thanks to @KZero for his good zPager class, i was able to extract a few things from it to make this cross platform view. I spend a lot of time in creating views, some views i need by my self, but some views not and to create a high quality view cost a lot of time. If you want to support...
www.b4x.com

A small example project on how to achieve endless scrolling in both directions with the as...
 

Attachments

  • AS ViewPager Infinite scrolling Example.zip
    11.5 KB · Views: 471
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[B4X] Supabase - Realtime

[B4X] Supabase - The Open Source Firebase alternative

Supabase is an open source Firebase alternative. It provides all the backend services you need to build a product. Supabase uses Postgres database with real-time capabilities. Basically, supabase provides an interface to manage postgres database that you can use to create table and insert, edit...
www.b4x.com

This is a very simple tutorial on how to use the Realtime module. A more detailed...
 

Attachments

  • Supabase Realtime Example.zip
    10.7 KB · Views: 494
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[B4X] Supabase - Database Limit and Offset

[B4X] Supabase - The Open Source Firebase alternative

Supabase is an open source Firebase alternative. It provides all the backend services you need to build a product. Supabase uses Postgres database with real-time capabilities. Basically, supabase provides an interface to manage postgres database that you can use to create table and insert, edit...
www.b4x.com

LIMIT and OFFSET allow you to retrieve just a portion of the rows that are generated by...
 
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[B4X] Supabase - Database OrderBy

[B4X] Supabase - The Open Source Firebase alternative

Supabase is an open source Firebase alternative. It provides all the backend services you need to build a product. Supabase uses Postgres database with real-time capabilities. Basically, supabase provides an interface to manage postgres database that you can use to create table and insert, edit...
www.b4x.com

You can order by just one column, or with multiple columns.

Available sorting commands...
 
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[B4X] Program from everywhere even while being on the road - It can be done already

I was thinking how can I realize what is mentioned bellow for helping a friend with no computer for now, without waiting for it to happen (if ever - no offense @Erel but I know you are busy)...
 
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DJI virtual stick-tutorial, waypoint- and hotpoint-mission for DJI Mini- and Air-series

After the release of the new grandiose DJI library and the preliminary work of freedom2000 and JordiCP in this thread...
 
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[B4X] B4XPages B4XPages_SQLiteLight2 cross-platform project

The attached project is a porting of the B4X_SQLiteLight2 project which is included in the B4X SQLLite database booklet.
It uses as much as possible XUI objects and common code.
Tested with...
 
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Debugging with Firebase / Android GPU Inspector

Hello,

(this is not a full tutorial, just a overview of this 2 tools)

I wrote my first animation in a app and with no idea what im doing i was running poorly...

While debugging i struggled with...
 
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