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You're reading from  Android Things Quick Start Guide

Product typeBook
Published inAug 2018
PublisherPackt
ISBN-139781789341799
Edition1st Edition
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Author (1)
Raul Portales
Raul Portales
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Raul Portales

Raul Portales is a software engineer who has had a love for computers, electronics, and gadgets in general for as long as he remembers. He jumped into Android as soon as it was released. Raul has worked on social networks, education, healthcare, and even founded a gaming studio and a consultancy company. Specializing in mobile and UX, he speaks frequently at conferences and meetups. Raul's love for electronics reignited when Google announced Android Things. He started tinkering with it with the first Developer Preview, which lead to adding the IoT category on his Google Developer expert profile.
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Small displays

Another typical component for IoT projects are simple displays. We have already used two different LED segment-based displays, but there are other models that offer more functionality and versatility while still being cheap, such as LCD displays and OLED screens.

Both the LCD screen and the OLED screen drivers work by giving us access to the pixels on the screen, including some utility methods to draw text or even bitmaps depending on the case. The main difference is that on the LCD screen, the pixels are grouped into separated characters (5 by 8 pixels each), arranged in rows and columns (typically, two rows of 16 characters), while the OLED is a continuous screen, typically monochrome.

To use an LCD screen, we need to add the following driver by Gautier Mechling:

dependencies {
[...]
implementation 'com.nilhcem.androidthings:driver-lcd-pcf8574:+&apos...
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Android Things Quick Start Guide
Published in: Aug 2018Publisher: PacktISBN-13: 9781789341799

Author (1)

author image
Raul Portales

Raul Portales is a software engineer who has had a love for computers, electronics, and gadgets in general for as long as he remembers. He jumped into Android as soon as it was released. Raul has worked on social networks, education, healthcare, and even founded a gaming studio and a consultancy company. Specializing in mobile and UX, he speaks frequently at conferences and meetups. Raul's love for electronics reignited when Google announced Android Things. He started tinkering with it with the first Developer Preview, which lead to adding the IoT category on his Google Developer expert profile.
Read more about Raul Portales