Kevin Amiranoff kamiranoff

1. Use

const handlePress = useCallback(() => {
	// handle press
}, [])

<Button onPress={handlePress} />

Real unit test (isolation, no children render)

Calls:

This is for my personal use, things might not be correctly explained here. For the official docs please check https://github.com/airbnb/react-native-maps

Steps from scratch:

1.react-native init GoogleMapPlayground

	useEffect(fn) // run function on every render
	useEffect(fn, []) // run function only when the component is first rendered
	useEffect(fn, [value]) //run function when component is first rendered and when the `value` changes

	// Remember if you pass dependency(value) which is an object - React perform
	// strict comparision using "===" of the first level properties and will not
	// conduct comparisons deeper into the properties.

	/*
	Copyright (c) 2015 Kristopher Johnson

	Permission is hereby granted, free of charge, to any person obtaining
	a copy of this software and associated documentation files (the
	"Software"), to deal in the Software without restriction, including
	without limitation the rights to use, copy, modify, merge, publish,
	distribute, sublicense, and/or sell copies of the Software, and to
	permit persons to whom the Software is furnished to do so, subject to
	the following conditions: