Tutorials & Examples

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

Background location tracking

SS-2018-11-29_15.48.38.png


Simple example of a foreground service that keeps the process running in the background. The current location is shown in...
 

Attachments

  • MyLocation.zip
    10.6 KB · Views: 1,835
Last edited:

select image from device and upload in server

well hi too all .
As the title suggests, I want to teach you how to upload photos
I had searched a lot about it myself and had not found any results. By changing other people's codes, I was able...
 

CustomCardView Base On CustomListview Module

This is a module base on CustomListview, all function same with CustomListview I call it CustomCardView. Hope this help.

B4X:
For I = 0 To 5
'(the 47%x is cardview width, and the 45%y is the...
 

Attachments

  • CustomCardViewExample.zip
    14.2 KB · Views: 1,003
  • CustomCardView.bas
    8.6 KB · Views: 994

[B4X] Supabase - Call a Postgres function (RPC)


Perform a function call.
You can call Postgres functions as Remote Procedure Calls...
 

Google Play Billing v.7 Subscription Example

This is a modified example, based in the original example from @Erel.
The previous example only make purchases.
This new example utilizes the Google Play Billing library v.7, changes...
 

Attachments

  • BillingExample7.zip
    11.1 KB · Views: 742

Share Text File Between 2 Apps

This is just another example based on the ManageExternalStorage class provided by @agraham.
It is a response to this question.

B4ARepositoryWriter - writes a text file to an...
 

Attachments

  • B4ARepositoryWriter.zip
    11.3 KB · Views: 538
  • B4ARepositoryReader.zip
    11.4 KB · Views: 519

Http Server hosting a page with download link

Just a simple example with a link to a file stored in File.DirInternal.

Required Archiver library.

1717247361585.png


This is a response to this thread.
 

Attachments

  • HttpServer.zip
    12.4 KB · Views: 510
Last edited:

Example Spinner to Bold, Italic or other typeface

Widget Layout Background

I'm just trying to add a background image to the 4x1 widget from the following excellent thread...
 

Attachments

  • Widget Test.zip
    193.5 KB · Views: 527

Widget Layout (Resizable, Adaptive)

Not sure if this can be considered a Tutorial, my first attempt.
Lately I started to play with Widgets, mostly for curiosity.
The main problem I encountered was how to design the Layout to make it...
 

Attachments

  • Widget Test.zip
    214.6 KB · Views: 721
Last edited:

FREE Source Code's !

Hi all,

i have updated my webpage and decided to add a tutorial section.

My first tutorial is a simple calculator (+,-,*,/) there is a video tutorial incl. Source code on my site.

I will upload...
 

Attachments

  • t1calc.zip
    3.7 KB · Views: 3,797
Last edited:

[B4X] AS FloatingActionMenu - Open Menu above an item in a xCustomListView


In this example, I let the AS_FloatingActionMenu open over an item that is in a list, no matter...
 

Attachments

  • ActionMenu + CustomListView.zip
    182.1 KB · Views: 604

[B4X] AS TextFieldAdvanced - TitleMode (AboveTextField, FloatText and BeforeTextField)

[B4X] AS TextFieldAdvanced - ComboBox

Attachments

  • AS TextFieldAdvanced ComboBox Example.zip
    179.5 KB · Views: 750

✅ B4A Uninstalling a kiosk app

Hello all,
I've noticed 2 or 3 posts about not being able to uninstall a kiosk app because android:testOnly is missing from the manifest file, it's not in Erel's example.

If you just add the...
 
Last edited:

Very simple GPS Program

Hi guys,

how to use :

1. copy the starter into your project

B4A:
    If Starter.GPS1.GPSEnabled = False Then
        ToastMessageShow("Please enable the GPS device.", True)...
 

Attachments

  • GPSbyJCD.zip
    7.9 KB · Views: 959
Last edited:

[B4XPages] jRDC2 + MySql CRUD + Login

Hi all:


I'm starting (at last) to work with B4XPages, so I've started to adapt the B4XPages + B4XDrawer example.
I think I’ve seen more examples with php + mysql, but no...
 

Attachments

  • jRDC_B4J.zip
    5.4 KB · Views: 1,671
  • sql.zip
    1.5 KB · Views: 1,685
  • Project.zip
    207.2 KB · Views: 1,964
Last edited:

[B4X] Supabase - Authentification

The client library does the work for you, you don't have to worry about renewing the access token or using...
 
Last edited:

[B4X] Supabase - Sign In Anonymously


Supabase now supports anonymous user login, the B4X library now too...
 

Navigation Side Menu

I was playing around with the ListView and found it a great use for a menu system.
Following along as much as possible with the design concepts defined on a Material.io design web site.

See...
 

Attachments

  • NavigationMenuOptimized.zip
    14 KB · Views: 1,230
Top