onLayout Attribute (a bit)
The <KeyboardAvoidingView> is one component provided by react-native, which (magically) handles the screen to re-layout when the virtual keyboard opens on ones phone.
This component comes not without challenges, I had actually written about it and I still keep finding things, which make me dig deeper into it to understand and eventually (fix and) use it properly.
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React Native (RN) 0.64 was just released. One of the things I had stumbled upon more often lately in RN code was the word "hermes". I didn't know what kinda tool or package that was. Until I informed myself a bit.
In short: Hermes is a mobile optimized JavaScript engine.
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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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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 plan:
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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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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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