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All right now that we've got some administrative stuff out of the way let's start to dive into the world

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of React Native.

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In this video I want to highlight a couple of different important things you need to understand about

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this course and some early set up that we're going to do right away.

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All right.

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So first off big disclaimer here.

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Normally in a lot of different development courses I put together we focus on building really big applications

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or at least relatively big.

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But in a world of React Native there is a tremendous amount of stuff to learn.

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And in a large application we're generally focused on like one two or three really big topics building

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out big applications from the get go with React Native.

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Ends up being kind of hard to convey a lot different topics at the same time.

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So instead rather than showing big gigantic applications we're going to instead focus on building a

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ton of little kind of mini applications.

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The benefit to this approach is that you're going to get a ton of code that you can refer back to IN

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THE FUTURE TO SEE HOW TO PUT SOME given feature together.

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So you'll have kind of an isolated example that tells you exactly how to do some particular thing.

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Now don't be discouraged.

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However we're still going to work on some really big applications.

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But that's going to take place later on INSIDE the course once we've developed a really solid base of

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fundamentals and we understand React Native and react really really well.

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OK.

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So just like I said Quick disclaimer.

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All right.

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Now as we start to think about running React Native the first thing we have to do is make some really

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important decisions about our local environment setup at some point time you and I are going to write

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some code inside of our code Ed. Of course.

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And at some point time we need to actually test the code we write.

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If you're used to developing web applications this is usually a very simple process you write out some

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code then you execute it inside the browser.

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And that's pretty much it.

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But when we start to make use of React Native we've got a couple more decisions to make.

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We can either test out our code on a physical device.

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So this is like your own personal mobile phone that you have maybe inside your pocket or next to you

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on a desk right now.

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Or alternatively we can test out our code on a fake device something that we typically call a simulator

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or an emulator this fake device is going to be essentially a phone that is running on your laptop or

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your desktop and is meant just to test out some application code.

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And that's pretty much it to get through this course.

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You can use either a physical device or a fake device.

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It's truly up to you.

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But I will say that if you use a physical device it is by far the easiest setup and you can get some

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code running on your own personal phone in maybe about five minutes or so if you want to use this fake

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device.

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Well you certainly can but just be aware that it takes a lot more involved setup the upside to using

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a fake device means that we get some code or changes to our code to show up on our device a little bit

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faster.

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So there's definitely some pros or cons to going either way.

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So in this course in the initial couple videos I'm going to show you how to setup React Native to run

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on a physical device because like I said by far the easiest way to setup but if you really want to run

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a fake device on your local laptop or desktop I will show you how to do that later on INSIDE the course

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if you want to do that you can always skip to the very end of the course you'll find a section over

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there called appendix and you'll look for something like emulator or simulator setup.

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OK.

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So with this in mind let's take a quick pause right here.

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When we come back the next video we're going to start doing some setup of React Native on our own physical

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devices.

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So I'll see you in just a minute.