React Native Learnings
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The plan:
This is newsletter #4 - about crafting (and) JavaScript - March 20th, 2017. Every Monday you will receive a hand-selected collection of links about JavaScript and how to craft better software. Let's get started ...
KeyboardAvoidingView
the Missing Docs
If you are struggling with React Native's
KeyboardAvoidingView
and it does not behave as you expect,
the most probable reason is some flex layout issue.
I highly recommend reading
KeyboardAvoidingView not working properly? Check your Flexbox Layout first
by Nick Yang.
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This is a collection of things I sometimes need when working with React Native and my external Android device.
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React Native has a component
Pressable
. Used like so <Pressable>clickable thing</Pressable>
.
It is a more abstract way to build a button or something that a user can click.
The component Pressable
has one Android-specific attribute android_ripple
,
which allows to customize the UX of the ripple effect.
I think the visual feedback the ripple effect provides is very user-friendly, it indicates if a click was detected.
So I am investing time in making it work well, but it's not that easy.
Let me share my learnings.
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The React Native picker is a module I had a couple of
touchpoints
with. Even before it had moved repositories. Now it moved again.
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Theme.AppCompat
https://developer.android.com/guide/topics/ui/look-and-feel/themes?hl=en#CustomizeTheme
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I never did android development, only the React Native side of things.
Now while digging deeper, trying to figure out how to style a React Native picker on android (because the default is really ugly)
I am reading into android docs. I found out how to break my app's rendering with one line of XML. Not true, five lines of XML.
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Theme.AppCompat
is supplied by the Android Support Library
When I started digging into the styles.xml
file of our React Native app I found XML like this:
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I am wondering if the React Native Picker component is still maintained and if it is usable or if I am totally
looking at the wrong thing for using a picker for a mobile app.
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