Tutorials & Examples

Hi all i made a simple crop example, later many try and try its here
if this help someone

Im using the @warwound lib TouchImageView
many thx to @warwound

this sample have one...

 

Please see:

GPS tutorial
Toggle Library
Toggle on/off GPS in any Android version
Set phone clock from GPS

Advantages:
- System date and time are updated periodically.
-...

 

Type=StaticCode
Version=6.48
ModulesStructureVersion=1
B4A=true
@EndOfDesignText@
'******************************************************************************************************
'*...

 

It comes from here. The project displays as an example a colourful battery level indicator. Lib files are in the /files folder of the B4A project. The indicator will only update/redraw when...

 

Please see the original post:

About sticky service - long running background tasks...

 

Hi,
How to send / trigger the KeyCodes.KEYCODE_BACK at runtime without user clicking it

tks

 

This is the same project as what you can find here wrapped by @somed3v3loper - but only converted to inline Java Code. It was originally posted here

Copy...

 

On your form you use an EditText to input time. If you want to calculate with this, may be the following example will help:

Sub AddTime(OriginalTime As EditText,HoursToAdd As Int,MinutesToAdd...

 

 

As you know, Map is a kind of list of pairs of data; each pair is composed of a key and a value which can be of any type.

An example that I believe can be useful:

You have a beautiful table...

 

Here' s a batch file that will back up all your source files and zip it with 7zip with the datetime stamp on each successful compilation. Only external prerequisite is 7zip which is free.

It...

 

This is a very, very simple project implementing a slide switch with B4A code only. Track flag1 and flag2 to know the state of the two switches (i.e are the switches on or off)...

 

I took the BTPrint.zip and modified it to print to my HP Deskjet 100 Mobile using Bluetooth

Attached find a new Zip BTPrint-2.zip (did not want to confuse it with the other one) and a PNG files...

 

See attached B4A project. It implements a digital clock with Arabic numerals. You can edit the png files in the /files folder of the B4A project with something like GIMP and clean them up / change...

 

I think CustomViews are great addition to B4A, one of it's best features, and a fantastic way to increase productivity, reuse code, and add intelligence to the views we use.

The ability to add...

 

1. Looking for application sample b4A to send and receive text messages (chat system) over blue tooth between two mobiles

2. Looking for application sample b4A to receive messages and reply over...

 

This is just some simple inline Java code to check if a device has a Back facing camera, a Front facing camera, and a Flash (it requires the JavaObject library to be enabled).

...

 

As B4R (Arduino) will soon be released, I've made a short video that shows some of the communication features available in B4X.

Make sure to watch it in HD mode:


The source...

 

Hi Guys

I would like to share with you something that most of you maybe allready know but also if there are some people that still dont know that, it could be very helpfull for them.

There are...

 

This has plagued me for months... (drove me nuts!)

I would try to insert a record in a table within an activity (using CallSubDelayed2) - then start another activity and presented with a Black...