Tutorials & Examples

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

[B4X] Postman Tutorial

Before some time I have posted my findings upon an application that allows you to test WebAPIs, tinker with them and eventually use the JSON in your projects. This application is postman. Here is...
 
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[B4X] B4XTable with custom cells layout



Requires B4XTable v1.01+...
 

Attachments

  • B4XTable-Flags.zip
    429.3 KB · Views: 3,310
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? [B4X] [XUI] [B4XPages] B4A recreating Google Trends results with xCharts - Newer developers

Hello to you all,
Here is an extremely simple example on how to easily recreate Google Trends results using B4XPages with B4A and the xChart library. In this example I used Google...
 
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✅ [B4X] [XUI] [B4XPages] B4A 'Erel Says' hand, eye memory game - Newer developers

Hello to you all,
I decided to recreate this simple but effective game example, the game is based on the B4XPages library. The game is designed for hand, eye and memory coordination, so I called...
 
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Add text to image and save it ("water mark")

Hi all.
I found this example in some old folders on my pc and decided to share here.
it is a simple example of how add a text into a bitmap and later save it as image file.

...
 
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Turn your camera flash light into a torch - also with Java code inside the B4A project

See attached project. I have created this simple torch (on / off) by making use of java code found on the web and compiling it with Simple Library Compiler. Library files inside the /files folder...
 

Attachments

  • JHSTORCH_v1.zip
    23.3 KB · Views: 1,619
  • JHSTORCH_v2.zip
    117.3 KB · Views: 2,152
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[B4X] B4XPages + B4XDrawer

B4XDrawer v1.53 adds support for B4J. This is a good opportunity to create a B4XPages example using B4XDrawer.
It does require some configuration so pay attention.



The example is...
 

Attachments

  • 3 pages + drawer.zip
    191.7 KB · Views: 4,050
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Example of adding and calling B4X menu items

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Android Usb Host Tutorial - AdbTest

Android 3.1 and above devices support Usb host mode. With this feature you can connect to regular client usb devices. Some devices are automatically recognized by the OS and are simple to work...
 

Attachments

  • USBExample.zip
    7.2 KB · Views: 4,389
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Custom transitions between activities (+10 effects)

Attachments

  • Screenshot_20210203-174943.png
    89.1 KB · Views: 503
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[B4X] [XUI] ToastMessage Class Modifications

Attachments

  • clXToastMessage1.b4xlib
    4.1 KB · Views: 876
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Hint: solving compiler error "Unknown member: initializenewinstance"

I ran into this one today and fortunately my penny dropped rather quickly, though I didn't find anything on the forum about this error; hence this post as it might be useful for others. I was...
 
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CHART JS IN ANDROID

Hi i make this example how you can add Chart JS in your project.

Chart.js

Simple yet flexible JavaScript charting library for the modern web
www.chartjs.org

I was use this example...
 

Attachments

  • CHARTJS.zip
    218.7 KB · Views: 605
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[XUI] CustomListView with floating titles



Title items are added to the list.
A Panel is set above the list. The panel shows the current title when the top visible item...
 

Attachments

  • CLV_FloatingTitle.zip
    9.4 KB · Views: 1,309
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FitBit Authentification and use of the FitBit Web Api (http)

FitBit OAuth and HTTP SDK

You need to define an App in the FitBit Console at https://dev.fitbit.com/apps

Make sure to set your "OAuth 2.0 Application Type" to...
 

Attachments

  • FitBitEx.zip
    11 KB · Views: 595
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Control your Android device from your Windows PC

This is very clever software and when I first saw it, it blew my mind. It took a couple of seconds for me to comprehend what I was seeing.

The program is called ScrCpy and when run on your...
 
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Getting List of Files of a webserver directory via httputils2 & php

When you like to download files with httputils2 you need to know the files by name. There are some examples using ftp or a generated xml file with the contents first. To me this could be easier...
 
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[B4X] get fav icons from a website

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Fan Menu

After all the work I went through to make the simple pie graph, I noticed I had 90% of the code to make a "Fan Menu" type library so I went ahead and created the following prototype...
 

Attachments

  • fan_menu.zip
    221 KB · Views: 1,036
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✅ Retrieving 2 JSON data feeds from an online server (Wear OS watch face) - Newer developers

Hello All
Here we have a simple example of how you use corwin42s WatchFace Library. The WatchFace library is extremely simple to use, corwin42 has done a great job wrapping it, thank...
 

Attachments

  • JSON.zip
    13.1 KB · Views: 701
  • LEDCoronavirus_V1.0.0.1.zip
    111 KB · Views: 695
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