Name: React Nativeを使って脳内コンピュータアプリを構築する（パート3） - Jesseとのライブコーディング (Build a Brain Computer App with React Native (Part 3) - Live Coding with Jesse)
Uploaded: 2021-01-14T10:22:46.000Z
Duration: 1 h 31 min 46 s
Description: VoiceTubeの動画で発音を聞きながら英語表現を覚えよう！学べる英語：

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Hey, everybody, welcome to live coating with Jesse.

And with me is Gemma Ambrose in the background.

All right, so anyway, my kids, they're all here.

But today we're gonna continue to work on this Expo React.

Uh, so right now we're running it as a, um, as a Web app.

So, uh, Evan Bacon's in the channel who works at Expo and awesome.

We are going to see some extra web stuff.

That's let me bring this up on the screen.

Ah, and so Oh, my Oh, my screens get rearranged.

Uh, it's just whatever's left over from what we ran last last evening.

Uh, hey, what is not a Gatorade commercial?

So anyway, I'm running, react native with Expo and see if the chat something's up with my chat.

If, um, somebody tried to type something in the chat because I think my check that disconnected.

Because right now I am not able to see the messages in the chat.

I opened my chat in a new window, and now I can see the messages, so hopefully this will work.

So I think I lost some of the first messages.

So if he asked me something right off the bat, then I probably can't see it anymore.

There were only, like, three messages in the chat, and that's very uncommon.

So I I just lost the first few messages or whatever s.

But, uh, Anyway, um, I am I built this, uh, like built apple with Expo, which is a tool that helps you build with react native eso I'm using your in.

So I just typed in your own start and now once Expo runs and does its thing.

If I hit W, it'll open up the expo app in a Web browser.

Eso you could see here having the Web browser reckon.

It's it's running here, which is pretty sweet, and it actually makes it way easier.

I kind of prefer working like this unless there's something I really need to test on a mobile phone.

I prefer to do most of the development with the Web, UH, version of of Expo, which is using React.

It's just so much easier to be able to do all your bugging with, um, like in a Web right.

Alright, so there's less time, you know, the there's a little bit of lag if you're developing, like on a mobile device that connected your computer between when you make a change and what it actually updates on the device, I find like, uh, I just have way less issues doing it like this.

I do have to frequently kind of keep the mobile version open, though, just to make sure I haven't messed anything up.

But it definitely helps me develop faster.

This'd is I've used this professionally and on side projects like I'm doing here.

That aspect of it do it and trying to get my here we go get my chat.

Oh, uh, situated with the stream data on my other screen here.

So this is the third stream that we've done with this particular app.

We are trying to take data from a brain computer interface, which I'll put on in just a minute and I'll show you.

But there's a company called Know Ross Iti.

I read your brain waves and then it has a new interface Java script interface that you can use to get that data into your app.

And for this particular app for phase one of the app, all I want to do is measure my level of focus and then display a warning whenever my focus is dropped too low just to kind of remind me to stay focused on what you put in your mouth.

Now, in this particular stream, what we want to do is we pretty much did most of the work we needed to persist.

User data from one session to another, Uh, and we want to keep basically wanted just, Ah, finish that.

We had kind of a little bug with it at the end.

So when you finish that and then I actually put in our threshold for the the focus.

So, like, we're gonna figure out, like at what level of focus should be Sure.

And it's probably gonna be a different warning on the web as opposed to on on Mobile.

Hey, kid, you can all sit on my lap, so why don't you go play?

But if you're gonna be down here, you can't interrupt me.

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React Nativeを使って脳内コンピュータアプリを構築する（パート3） - Jesseとのライブコーディング (Build a Brain Computer App with React Native (Part 3) - Live Coding with Jesse)

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