Tutorial | Blundell

[TUT] Android Things – LEDs, GPIO on the Rainbow Hat

In Beginner, Tutorial By blundell On 2017-08-032017-12-23

This blog will show you how to use the LEDs of the Rainbow hat peripheral. In learning about how to make the LEDs blink, we will use the GPIO protocol which can come in handy…

[TUT] Your First Android Things Application

In Beginner, Tutorial By blundell On 2017-08-022017-12-23

This blog is going to show you how to write your first Android Things application. We’ll discuss the hardware details you need to know to get started and then dive into the code of the…

[TUT] Testing Android Things – Unit & Vendor tests

In Advanced, Tutorial By blundell On 2016-12-21

This tutorial will show you how you can architect your Android Things applications to make testing much easier. This involves two types of testing: unit and vendor testing. Google has just announced the amazing Android…

[TUT] Programmatically create a RippleDrawable of any color

In Intermediate, Tutorial By blundell On 2016-07-152016-07-15

This tutorial is going to be quick and to the point. When you want to create a Button or other Android Widget you more than likely want a ripple effect when it is pressed. I’ll…

[TUT] How to test time and control System.currentTimeMillis

In Intermediate, Tutorial By blundell On 2016-04-26

This post explains how to control time and specifically control System.currentTimeMillis. To make your code more flexible, maintainable and in the end testable! Showing an example application that uses time to define different behaviour for…

[TUT] Creating comments with timestamps like YouTube

In Intermediate, Tutorial By blundell On 2016-02-192016-02-20

Creating comments with timestamps like YouTube (java.util.Date or JodaTime) This tutorial shows how you can create timestamped messages like the YouTube comments section. What this means is we will convert the timestamp (date) that each…

[TUT] Send app data to a web spreadsheet (Google Sheets)

In Intermediate, Tutorial By blundell On 2016-01-312016-01-31

Have you ever had a spreadsheet and thought it’d be really good if I could get data into this from a mobile app. What a great idea, next comes the thought that this is actually…