Tutorials & Examples

Here is my first tutorial for the community!

This tutorial will show you how to sign a B4A generated apk with a non-B4A keystore. I needed a way to do this for myself since I had some apps out...

 

Basic4android v1.8 introduces a new tool named Manifest Editor.
Every Android application includes a file named AndroidManifest.xml.
This is an XML file that describes the application for the OS...

 

1. Edit: In B4XPages the permission result event signature is: Wait For B4XPage_PermissionResult (Permission As String, Result As Boolean)
2. Important to read...

 

This is a very old project which is unlikely to function correctly on newer versions of Android. The link to the project should still be active and if you want to use it for reference to...

 

B4A-Bridge is made of two components. One component is running on the device and the other is embedded in the IDE.
The device side is the server side. It waits for connections and when a...

 

The SMB library allows you to access Microsoft Windows Network file system.
You can read more information about this protocol here: Server Message Block - Wikipedia, the free encyclopedia...

 

How to make games​

A great idea, but a disappointing result

You woke up one morning with a great idea for a game. You rushed to your phone to convince your best friend to...

 

Note: You should use B4A 6.0 or above for this tutorial.

Android 5.0 (also called "Lollipop") introduced a new design for apps called "Material Design".

With this tutorial series I will...

 

For new projects it is recommended to use OkHttpUtils2: https://www.b4x.com/android/forum/threads/54723/#content

Multipart POST requests are usually used by Html Form components to...

 

Android 5.0 Lollipop is a pretty big update hence the major version number upgrade.
I wanted to make a thread to combine Android 5 SDK related resources since it is such a big update.
At the...

 

This is an old tutorial. More powerful custom views: [B4X] Custom Views with Enhanced Designer Support

The attached project contains a code module which you can use in your projects to...

 

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...

 

A change is coming up on November 21 on Google Play. The applications considered by Google as not designed for tablets will be marked as designed for phones and, by default, won't appear for...

 

B4A v6.80 adds several new features related to the ability to format rich strings.

CharSequence is a...

 

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...

 

Hey everyone,

Here I will explain how you can make an evaluation/trial version of your app using an online database.
With this, the user will be able to open up the app x times. When 0 is...

 

Newer example: [B4X] [B4XPages] Intent based camera

This example uses an intent to take a picture with the default camera app.

It is based on this tutorial...

 

See attached project with inline Java code to create round imageviews. You only need library JavaObject V2.01 to be enabled.

 

In the early days of Android services were simple to use and powerful. They allowed doing all kinds of things in the backgrounds with very few restrictions. That's not the case with newer versions...

 

Just getting started with BA4 and am very confused. I don't understand many terms and terminology. Have next to no experience with Java though am reasonably proficient with Basic.

A friend sent...