B4J Tutorials

[ABMaterial] Inline table editing

I've had some questions about inline editing of tables in ABMaterial. There is one way to do this, however it has its limitations and will only work in certain cases. It only works for 'String'...
 
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Creating push-enabled android-apps on blackberry

I would like to share my experience with creating push-enabled android-apps for blackberry-devices. Many thanks to Erel, who supports my efforts decisively.

I have tried a lot of things to enable...
 

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  • BlackberryPushServercode.zip
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[IoT] Configure Raspberry without keyboard/WiFi at the start

It's not directly related to B4J but I find it very useful for new RaspBerry owners.

Just installed my 3rd RaspBerry. The ones I have are controlled via Putty (remote) so no keyboard is needed...
 
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[IoT] Raspberry: Use a IDE/SATA hd/ssd

Using a Raspberry to handle a lot of data will definetly corrupt/destroy the SD card after a while (e.g. if you use it as a webserver). SD cards are slow (in comparison to a hd or sdd). The best...
 
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Dump/zip/FTP-Upload a MySQL-DB

I use some Windows *.bat files to do backups, etc. Some things are quite difficult or crap to do (like error handling, messaging, etc.) so I decided to convert one of my scripts to a non-ui B4J...
 
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[Server] Screen Capture & FTP

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[Server] Screen capture server

This is a simple server that takes a screenshot of the current desktop screen and returns the image as the response.

For example if you call it from the device browser:



The handler...
 
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[ABMaterial] One Page, Many Uses



This example uses one ABM page to handle all tables listed under "Configure App".
In an effort to reduce code size (and maintenance), number of pages and duplicate methods, I am...
 
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[WebApp] Minimum Spanning Tree

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[IoT] Linux Embedded Boards - Gettings started

There are many Linux based, embedded boards available. Most or all of them support Java which means that they also support B4J.

In order to start development we need to install Java JRE 7+ (JDK...
 
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[ABMaterial] New component ABMPDFViewer in 1.08

A new component for ABMaterial in the next version (1.08): ABMPDFViewer. It allows viewing, printing, downloading, localizing, a side view to show pages and more.

Completely materialized...
 
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[ABMaterial] Animating about anything

I'm finalizing version 1.07, and one of the new things you will be able to do is animate ABMContainers (and ergo all its child components. Here is a demo animating a slide in/slide out of a...
 
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[ABMaterial] Using Google Analytics in 1.07



I've put a new tutorial post on my blog on how to use Google Analytics in the upcoming new version of...
 
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Install Bluetooth on Raspberry Pi with Raspbian Jessie

I have no idea where to post this, so please excuse if this is not the right place.

The installation of a bluetooth dongle on the new Raspbian Jessie is apparently different.

Common to...
 
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[ABMaterial] Infinite scrolling pages with 1.07

A new feature in v1.07 will be Infinite Scrolling Pages (like twitter, facebook, etc). It's going to be super simple to make

Demo video:

The code:...
 
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[Server] Table report with Export feature

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  • TableExample.zip
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[RPi] - PiFace Control And Display (CAD)

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  • PiFace_CAD.zip
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Basic ListView Scrolling?

Is there anyway to handle a ListView that has more items than can fit on-screen?
 
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[ABMaterial] One Page - Subs required

Continuing the One Page, Many Uses example, here we demonstrate how to create and collect the events raised for each Type (Employee, Vehicle, User, etc).

The module form is getting rather large...
 
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[ABMaterial] Populate a combo based on another selection

You may be thinking that I create these tutorials for myself. You may be right!!!
My RAM memory is very limited. Erel has offered (us) a place to securely store them (he is so kind) for future...
 
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