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So will come back again in this lesson you're going to have a quick look at the Iowa simulator.

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You probably have seen the similar thing in our previous lesson and you know here's the interface where

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you can actually see your app in a device like interface.

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In this lesson we're going to quickly talk about what is a simulator What's the version of the simulator

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and what are some of the better practices that you could use as you go along with this course.

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The first thing you need to know is that there are simulators and each of them they can have different

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versions.

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So let's jump back into ex-coach and school you can see that up there I have different simulators depending

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on the installation of your ex you might have different ones in here.

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But you most likely have iphone 7 6 5 some versions of iPods and so on and so forth.

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And each of them represents one type of device on a certain version of our U.S. operating system or

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iPhone operating system.

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So to access those I'm going to go ahead to even though I'm going to look at devices and simulators.

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I mean it tells me that for instance iPhone 8 the one that we use is I mean I was 12 right now which

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is the latest version of the time of recording this video.

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So if you want it you would actually make another iPhone that is running an older version of my Or if

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you wanted to check for models such as backward compatibility well for any reason you want to test it

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against an older version or perhaps a newer version.

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So to do that you could actually post this letter plus one in the lower left corner of this window.

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And here I'm going to say I want a new simulator by the name of my iPhone 8 plus I was eleven point

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one I made a mistake there and then I'm going to say the oldest version I want is the only one I currently

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have is 12.

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So if I one they have to download more on times.

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So those are essentially the ones that they simulate a certain version of my office so you could actually

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click in here and it shows you all the available simulators and if you want you can download any of

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them based on whatever needs that you have.

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I would suggest that for the remainder if this goes on as you are at the early stages of learning Iowas

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development you can stick to only one version that is essentially the 12th version or the latest one.

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But if for any reason you decided to download more versions you are more than welcome to going here

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to install a new version of simulator run time and make yourself a new device that is.

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In this case I for one eighth plus Iowa's version or whatever.

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And that's the one that you could use.

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Now keeping that in mind is another thing that I want to suggest to you and that is something we saw

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bits of it in the previous lesson in the previous lesson we developed our user interface based on iPhone

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8.

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And I suggested that we also simulate that on iPhone 8 which makes all the sense at this earlier stages.

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And I also don't want to see all of these different simulators because they're just kind of cluttering

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my simulators stack and it would be easier if we only saw the ones that we actually need someone to

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go to having no device on simulators.

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You could completely delete them by right clicking on one of them saying delete and nothing is going

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to happen whenever you need it.

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That would actually bring it back.

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So for instance I deleted the i-Pod fifth generation so I could just go in here and say I Bonds are

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part of why I don't know which ones are here.

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I put fifth generation.

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When I was 12 and I could just add it again.

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Another thing you could do.

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You could actually go ahead and select the ones you don't want and remove that little tick that says

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Show us the wrong destination.

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I'm going to do that for a few of those so I don't want to see anything to do with iPods just yet.

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So none of the iPods should be seen either iPod pros nor the normal iPods and that's all of the iPods.

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And then I don't want to see the iPhone 5.

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It's a little bit of an older version.

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I don't want to see iPhone 6 I don't want to see iPhone 6 Plus I don't want to see 6 x 6 lost 7.

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I don't want to see 7 plus I don't want to see it.

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I actually only need these for iPhone 8 8 plus s an X that kind of will make sure that everything is

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working for me because I will have the normal size I want.

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I even have the larger size iPhone.

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I've been have iPhone 10 I will have a smaller size iPhone which pretty much does everything that I

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need.

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For most applications.

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So if you do a similar thing now you can go back in here and you will see that your simulators are not

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quite limited and this really helps me you know that I'm doing my development and I'm doing my test

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stuff to make sure I don't you know face a crowd of different kind of simulators.

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So from now on whatever design we do with an iPhone 8 and then we send it to iPhone 8 and then we simulate

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and we will get to something like this simulator which shows us our application and whether we have

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in our interface builder at some point you know in a few sections from now we will know how to use Atalia

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our time constraints for these outlets so they can actually match any kind of device.

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But until then I think it's a good practice for sticking to one type of device.

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So with that in mind now that we know everything is working our application can actually successfully

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launch an iPhone simulator.

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That's one for our next lesson.

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We're going to talk about these files and what we should do with them and how we can actually get started

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with programming something.

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So I the.