Tutorials & Examples

Userid/pw/Encryption: Best practice

• By KMatle
• Nov 6, 2015

I see a lot of code where user id's, passwords or other critical Information is stored inside the code. Problem here is that the code can be decompiled very easy and someone can extract the...

 

Last edited: Nov 6, 2015

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Simple Push Framework

• By Erel
• Dec 12, 2013

It is recommended to use Firebase for new projects: FirebaseNotifications - Push messages / Firebase Cloud Messaging (FCM)

This solution allows you to use the standard GCM push...

 

Attachments

• PushDevice.zip

  8.6 KB · Views: 3,221
• PushDesktop.zip

  6.3 KB · Views: 2,946

Last edited: Dec 12, 2016

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Android Dropbox / OAuth Tutorial

• By Erel
• Aug 10, 2011

This tutorial is based on an old version of Dropbox API. For new projects it is recommended to use the Dropbox Sync library:
http://www.b4x.com/android/forum/threads/30112...

 

Attachments

• Dropbox.zip

  12.6 KB · Views: 2,608

Last edited: Oct 22, 2014

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Creating a simple C/C++ based B4A library with NLG

• By wonder
• Mar 4, 2016

With this video I intend to show how simple it is to create a native based B4A lib, using my Native Library Generator.
For that purpose, I'll be writing and testing my code in Visual...

 

Last edited: Mar 5, 2016

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Getting help for Object and methods

• By agraham
• Nov 9, 2010

The IDE Intellisense is wonderful for actually writing code but for browsing the available objects to see what is on offer it is a bit tedious so this afternoon I have knocked up this pretty awful...

 

Attachments

• B4AHelp1.7.zip

  55.6 KB · Views: 537

Last edited: Nov 21, 2010

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Google SignIn Using WebView

• By jazzzzzzz
• Feb 24, 2016

I was in need of google sign in using PlayServices but cant find any wrapper for that in b4a,Then i found this solution.

Purpose of the Sign in app is to fetch details about the google account...

 

Attachments

• googleSignin.zip

  441.1 KB · Views: 715

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Xtraviews: MovieView Tutorial

• By Periklis Koutsogiannis
• Jul 13, 2014

Introduction

This is a DesignerCustomView control which is based on the native android movie view and will allow you to display animated gifs (transparent ones as well)...

 

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MOBAC supports MapsForge for offline tiles

• By warwound
• Apr 28, 2015

The latest alpha version of MOBAC supports rendering tiles from a local MapsForge database.

http://mobac.sourceforge.net/forum/viewtopic.php?f=1&t=526

This allows MOBAC to render...

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VideoView Alternative JavaScript

• By stevel05
• Jul 3, 2014

For those having problems with the Android Videoview, here is a possible alternative that may be worth trying.

It's a javascript open source HTML5 video player for playing videos in a webview...

 

Attachments

• VideoJS.zip

  109.2 KB · Views: 2,160

Last edited: Aug 21, 2015

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Using CallSubDelayed to interact between activities and services

• By Erel
• Jun 14, 2012

Until Basic4android v2.00 the way to pass information between activities and services was through process global variables.

CallSubDelayed makes it much simpler. It allows you to call a sub in...

 

Attachments

• TwoActivities.zip

  7.2 KB · Views: 4,801

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SmartHost - Lesson 1 - Buttons

• By Gary Milne
• Jan 15, 2016

Let's face it, making good looking buttons with core B4A is cumbersome and all those JPG's with different resolutions and colors are a real pain to manage, plus they bloat your application...

 

Attachments

• IconPosition.png

  78.6 KB · Views: 488
• Camera_With_Guides.png

  36.3 KB · Views: 491
• Lesson1Demo.zip

  2.2 KB · Views: 492

Last edited: Mar 14, 2016

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SmartHost - Lesson 3 - Sliders

• By Gary Milne
• Jan 18, 2016

Sliders are a very useful and common control but are not part of the core B4A product. In this lesson we are going to build a slider control like the one shown in the screenshot.

To build a...

 

Attachments

• Lesson3.zip

  7.6 KB · Views: 451

Last edited: Jan 18, 2016

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SmartHost - Lesson 2 - Toggle Buttons and Check Boxes

• By Gary Milne
• Jan 16, 2016

Toggle Buttons and Check Boxes are standard fare for any program but to make them look good you need StateListDrawables and bunches of Image files. With SmartHost you can use font characters or...

 

Attachments

• Lesson2Demo.zip

  83.5 KB · Views: 505

Last edited: Jan 16, 2016

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Part 1: UDP Text Communication: Same Network

• By Mashiane
• Dec 7, 2015

Hi there

I've just finished my first try with UDP, wow. With the attached code I have managed to get the app installed on two different android devices, connected them to the same wifi...

 

Attachments

• UDP.zip

  5.1 KB · Views: 1,107
• udp.png

  47 KB · Views: 1,052

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Make a book

• By RUNO
• Jan 14, 2016

I want to make a book of 250 pages and browse in the form of images.

 

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RoundBitmapWithBorder - inline java code

• By Johan Schoeman
• Mar 15, 2015

Attached project draws a circular bitmap within an imageview including an adjustable border (colour and width) around the image. Making use of inline java code. Only JavaObject V2.01 required...

 

Attachments

• RoundBitmapWithBorder.zip

  85.6 KB · Views: 841

Last edited: Aug 2, 2015

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ASCII ART

• By Johan Schoeman
• Jan 9, 2016

Have done this purely for the fun of it. The project uses 70 ASCII characters to generate an ASCII ART image from the bitmap. The ASCII ART image is actually a label with the label's text set...

 

Attachments

• b4aAsciiArt.zip

  21.2 KB · Views: 605

Last edited: Jan 9, 2016

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Optimization with B4A

• By Informatix
• Sep 2, 2015

OPTIMIZATION WITH B4A​

A case where optimization is required:
One of the most time-consuming task in a RTS game is to compute paths for all units because of the number of units...

 

Last edited: Sep 12, 2015

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JavaFlacEncoder

• By stevel05
• Dec 30, 2015

This has been requested a couple of times on the forum and to get the ball rolling, here is an example of accessing the javaFlacEncoder with Javaobject.

Files and documentation are available...

 

Attachments

• JavaFlacEncoder.zip

  192.7 KB · Views: 520
• JavaFlacEncoder2.zip

  342.4 KB · Views: 520

Last edited: Dec 31, 2015

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Very fast Andorid Emulator

• By ilan
• Jan 1, 2014

VERY FAST ANDROID EMULATOR !​

Hallo guys

i want to share with you my latest discovery

i am not sure this thread belong here but maybe it does because its an tutorial

so...

 

Last edited: Jan 13, 2014

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