April 2019
Beginner to intermediate
698 pages
15h 15m
English
Content preview from Android Programming with Kotlin for BeginnersBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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The widget exploration app
We have just discussed six widgets – EditText, ImageView, RadioButton (and RadioGroup), Switch, CheckBox, and TextClock. Let's make a working app and do something practical with each of them. We will also use a Button widget and a TextView widget again as well.
In this layout, we will use LinearLayout as the layout type that holds everything, and within LinearLayout, we will use multiple RelativeLayout instances.
RelativeLayout has been superseded by ConstraintLayout, but they are still commonly used and are worth playing around with. You will see as you build layouts within RelativeLayout that the UI elements behave very much the same as ConstraintLayout, but that the underlying XML is different. It is not necessary ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.