Tutorials & Examples

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

Basic difference between a Standard ListView and Amir_RecyclerView

During the introduction to Amir_RecyclerView (ARV), it was necessary to understand the basic relationships between data and display.

ListView is a view group that displays a list...
 

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[B4X] ”The ultimate guide to proper use of animation in UX”

I happened to come across a very well written, and absolutely beautifully illustrated, article on how to best use animation in UX. I thought the forum might appreciate it, so here’s the link...
 

ScrollView example with a Panel higher than the screen

Attached you find an example with a ScrollView with a Panel higher than the screen.

The layouts are designed in the Designer, not in the code.

There are 2 layout files:
- Main with the...
 

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Starter Service - Consistent & Single Entry Point

One of the challenges that developers of any non-small Android app need to deal with, is the multiple possible entry points.

During development in almost all cases the application will start from...
 
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FCM message workflow explained by Google

[B4X] Sending emails with Gmail REST API

This solution is compatible with B4A, B4J and B4i.

Up until now there were two ways to send emails:

1. Using the default mobile app which required the user to actually send the message...
 

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Device Owner / TaskLock / Kiosk apps 2017

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Starting from Android 5 (API 21) there is better support for kiosk applications.
Kiosk applications = applications that...
 

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User registration using httputils2, php, MySql and mail

When you join a forum you have to define a username and type in your email address and a password. After that you receive an email to finish the registration. Today I want to show the process how...
 
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GitLab: Syntax highlighting for B4X files

When using an online repository such as GitLab, you can add a file named ".gitattributes" with the following content:

B4X:
*.bas gitlab-language=vb
*.b4j gitlab-language=vb
*.b4a gitlab-language=vb...
 
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A trick for a badly closed application from a KILL TASK

I found it hard to find a solution to a problem that I think someone else could have
if you leave a service running with:

B4X:
#StartCommandReturnValue: android.app.Service.START_STICKY
or
B4X:
...
 

Dialogs library 2017 - Custom dialogs and async methods

Dialogs v4 is an extension to @agraham original dialogs library. It requires B4A v7+.

SS-2017-06-01_16.00.52.png


The main changes are...
 

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Getting Started With a Homescreen Launcher

Hey guys!

This forum and Basic4Android has helped my career prospects greatly, so I thought I'd try and do something useful...

As some of you know, I've been working on an Android Launcher or...
 

MJPEG / CCTV Server

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How I manage multi language in my Android App

Hi everyone !

I would like to share my own way to manage multi languages for my Android App.
I'm sure there are more than one method to do it, I just want to share mine.

This functionnality is...
 

[B4x]Send Firebase-Message via php

UPDATE

Please ensure you use https:// to call the Google fcm api. "Out of the sudden" one of my apps didn't work anymore :rolleyes:

B4X:
$ch = curl_init();
        curl_setopt(...
 
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Supporting multiple screens - tips and best practices

This is an old tutorial. I recommend to instead watch the visual designer video tutorial: https://www.b4x.com/etp.html

There are several features in B4A that help you target Android...
 
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[B4X] BitmapCreator Performance

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Corso B4A Intermedio - Creazione di due App, un Timer per gli Scacchi e una Calcolatrice

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Ciao a tutti, ho creato un nuovo corso rivolto a chi già si muove un po con B4A e non è proprio alle prime armi. Il...
 
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Using CustomBuildAction to deploy to multiple devices at once

This tutorial will demonstrate how you can use CustomBuildAction attribute to deploy to multiple connected devices at once.

The "additional" devices should be connected in USB debug mode. This...
 
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Android messages - Cool new feature for SMSing from everywhere

Hi everyone,

I do not know if this is a suitable tutorial for this forum but I just found out and I am absolutely thrilled with it. There is a way to send SMSs from your mobile phone even from...
 
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