January 2018
Intermediate to advanced
434 pages
14h 1m
English
Content preview from Kotlin Programming Cookbook
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How it works…
lparams is also an Anko extension function that is added to views, and we can define layout parameters as properties. If you omit width and/or height while using lparams(), their values automatically default to wrapContent, just like in XML. The parameters passed are named arguments. Some of the properties are horizontalMargin, verticalMargin, and margin. For different layouts, we have different layout parameters, just as in XML. For example, for relative layout, we have alignParentBottom(), alignParentTop(), alignParentStart(),leftOf(viewIdOfReferenceView),topOf(viewIdOfReferenceView) and so on.
Check out the following example, which has the relative layout as root layout:
class MainActivityUI : AnkoComponent<MainActivity> ...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.
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