Tutorials & Examples

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

Getting picture from gallery

How do I browse and select a picture from the gallery?

:sign0163:
 

[SAMPLE CODE] Print from your Android app

This sample will show you how to print from your smartphone or tablet using Google Cloud Print (login required).

Requirements:

1 - Google GMail account.

2 - The web browser you...
 

Attachments

  • CloudPrintingCode.zip
    57 KB · Views: 2,363
Last edited:

The result of swiping an app from the recent apps list

One of the new features of Android 4 is the more powerful recent apps list. The user can remove tasks or applications from the list with a swipe gesture.

The result of this action is not fully...
 
Last edited:

Database Design - Introduction

This tutorial describes the steps I took to design the database for the Pre-Algebra Tester app available on Google Play.

This is Part 1 of a potential series that will describe how I...
 

Attachments

  • test_type_A.PNG
    4.3 KB · Views: 510
  • test_type_B.PNG
    1.3 KB · Views: 462
  • test_A.PNG
    10 KB · Views: 457
  • test_B.PNG
    4.9 KB · Views: 461
  • test_question_A.PNG
    5.7 KB · Views: 440
  • test_question_B.PNG
    11.6 KB · Views: 436
  • question_A.PNG
    4.1 KB · Views: 482
  • question_B.PNG
    13.1 KB · Views: 477
  • test_result_A.PNG
    5.9 KB · Views: 432
  • test_result_B.PNG
    2.1 KB · Views: 436
Last edited:

Example of an app with a phone and tablet layouts

This example demonstrates how you can create an app that looks and behaves differently depending whether it runs on a phone or a tablet.

The app layout is simple.
The main screen includes three...
 

Attachments

  • PhoneTabletLayout.zip
    13.1 KB · Views: 3,751

Wrapping for functionality

This post is aimed at those who may be new to programming concepts as well as b4a.

There are a lot of posts on the forum about wrapping java libraries for use with B4a, but that's not the only...
 

Attachments

  • MsgBoxWrapper.zip
    10.9 KB · Views: 551
Last edited:

Duck Typing and Command Design Pattern Example

I hope I have got this example right. Any positive criticism or improvements will be welcome!
I have made this to try learn and understand how this all works. This could also help others to...
 

Attachments

  • DuckTypingCommandPattern.zip
    10.2 KB · Views: 562

OUYA-specific tweaks

Your apps will run on OUYA just fine, normally.

It has no sensors. This includes microphone (so no voice recognition), gyroscope, compass, accelerometers, orientation, light. It has nada. It...
 

My first class module - Settings menu panel - Feedback please

Hi,

For an app i'm working on I've created this settings menu class. Currently it is used to set a global value called language in the main activity. Of course you...
 

Attachments

  • settings_menu.zip
    8.5 KB · Views: 612
Last edited:

GameView - Create 2D Android games - Part I

Attachments

  • GameViewSmiley.zip
    9.4 KB · Views: 5,399
Last edited:

Short tip for working with voice commands

Forward Word

So, while I'm building my first app, suddenly I came over this example from Erel. Great for my app but, as you may know, even though 75% of the worlds...
 

Attachments

  • muchWow.txt
    326.9 KB · Views: 621

Moving Things

I'm just playing but play along with me, here's a very simple B4a project which you can load up.

Please change it and post your version here.

I like to move it move it.

ian
 

Attachments

  • MoveThings.zip
    7.8 KB · Views: 676

Hangman Tutorial (part 3)

Alright, here is part 3 of the Hangman Tutorial.

In part 2, we added the ability to import our words from an external text file by using File.ReadList to generate a List (which we stored in...
 

Hangman Tutorial (part 2)

Attachments

  • words.txt
    5.4 KB · Views: 627

How to connect iMpulse Controller to your App

You can find Game controllers as iMpulse Controller.
It works by Bluetooth. So your App can have remote control
http://www.impulsecontroller.com/

This device need Android 4 or higer...
 

Don't forget JonPMs live chat for instant help!

Very kind of JonPM to provide us with this, there are nearly always helpful people on this live chat who can help you with your problems instantly!

B4A Chat
 

Static Code Modules

Basic4android v1.2 includes a new type of module which is the static code module.
Adding a static code module is done by choosing Project - Add New Module - Code Module.

Unlike Activities and...
 

Send Text File using BlueTooth

I needed to send a text file created by my program to a users PC using Bluetooth.
Not finding anything exactly like this in the B4A forums I searched the web and came across this article...
 

Instruction set , commands?

I have buy b4android book and also the compiler.
I search the site, and the book of course,but I can not find the commands for compiler in one place like a list with a description what do each...
 

Add a Change log as well as Build number to projects

A few weeks ago I posted a thread on a build number implementation for your project in this thread...