September 2019
Beginner
512 pages
12h 52m
English
Content preview from Flutter for Beginners
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Translate animation
Just like before, we can accomplish a better look in our translation transformation and make it smoother by using AnimationController:
The construction of our widget is similar to before; the only exception is the usage of the Transform.translate() construction. Now, we have a different value type than double. Let's see what we need to change to make an Offset animation:
createTranslateAnimation() { var controller = AnimationController( vsync: this, debugLabel: "animations demo", duration: Duration(seconds: 2), ); var animation = controller.drive(Tween<Offset>( begin: Offset.zero, end: Offset(70, 200), )); animation.addListener(() ...Become 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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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.