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What's up guys I'm Jacob Blitzer with slopes dot com and in the last the last lesson we finished up

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getting our basic designs done.

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So in this lesson what we're going to do is we're going to get our begin run b c done.

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So we're going to get this map view showing up and also showing our location.

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So a lot of a cool.

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And then we'll get the start button wired up to go to the the on run Visi and we will also get all the

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IAB outlets on the begin run Visi hooked up and a few other things will get our cell location delegate

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and all that stuff wired in and work in.

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So this will be good.

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And before we start though we need to open up our terminal and make sure you guys are at least committing

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your changes and keeping track of it with get.

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I'm going to make another branch so you guys can go exactly to this branch when you're following along

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and get exactly the work up to this lessens point.

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So I'm going to do a get check out dash B and this is going to be less than four.

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All right.

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Great.

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And let's get going.

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So what do we have to do we have to start hooking up IAB outlets for the run Visi before we can do anything

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else.

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So how do we do that.

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You know we could manually type out the Iby outlets and things but I prefer just doing the will split

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view here and here is our begin view lets get this window out of the way.

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If I remember how there we go just click this show document outlined down here below your storyboard

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and if you click this shella assistant editor if the run VC was selected it should pop up automatically

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if not no big deal just click up here go to manual go into your project and you can find the view controller

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you want and we want begin run Visi and let's delete this did receive memory Warren in.

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We don't need that.

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And also this comma the comments are cool.

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So first things first let's hook up all of our our outlets.

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So if you hold control like let's select our map do here you hold control and drag over here we can

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go ahead and call this our map view and it can.

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Or hit enter and that's connected.

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And now you can click on our.

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We actually don't need an IP outlet for the start.

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Ron and I will discuss that in a second.

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So let's just go ahead and hook up our central location as well.

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And we don't need an I.V. for this one either.

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Let's just hold control click and drag and underneath the view to load let go and make sure you change

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the connection type to action and we will call this location center button pressed.

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It's always nice to be as descriptive as you can and this will be the function that's called when you

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push that button and that'll be centering on our location in a little bit.

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I don't think it'll happen this lesson but that is what it will be for.

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And like I said before we're getting yelled at because I hooked up a map view and we don't have map

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kit imported So let's go ahead and do import map kit and that should take care of that.

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It wants us to

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yeah now are good.

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All right.

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And so I said we don't need an action for this or an IAB outlet because we can actually just click this

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and do a controlled drag to this Visi to the current run Visi and let go and just click on Show.

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And now that button will go to this Visi And that's exactly what we want.

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So we don't need to add any code for that.

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So that's pretty nice.

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So something I want you guys to think about.

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We are using C-L location and like Map kit stuff and both these VCs and we have to you know get user

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permission and all that good stuff.

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So what I'm going to do is I'm actually going to show you we're going to make another VC that both these

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VCs can inherit from.

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So we only have to write code once like the authorization code and then we'll also use the

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excuse me I forgot the name so I'm going to look we can also use the C-L location manager for both views

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and only have one we just have to make sure we assign the delegate to each view when we go to it.

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And then we can use the same manager.

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And it makes things a lot easier and we don't have to rewrite code.

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But before we go any further you do have to ask the user permission to find their location.

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So you have to open up the info list over here.

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Inside your project and on the bottom here just hit this last arrow and if you start typing privacy

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you'll see all these things.

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And if you go and find location and then this one location when in use that's the one we want.

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And now if you do a location always Apple usually will reject apps for that so you get to keep that

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in mind unless you have a really good reason for using it.

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But in-use is fine because we're going to be using the app when we're running.

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You might run into problems with it going in the background but you can always address those letter.

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But for everything we're doing right now when in use is fine and right here in the string here this

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is the message that shows up.

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So we're going to since we called our app treads I'm going to say

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treads needs your location for tracking for tracking your run.

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And I think that's good and that will show up in the message when the users prompt for giving their

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location.

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And so if we go back to our beginning run we see when to actually go ahead and get rid of the assistant.

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View there because we have our ibl hooked up we have everything that we need at the moment.

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So yeah let's see what should we do right now.

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I think what I'm going to do is make that extra VC I said where were going to set up all of our the

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C-L location manager stuff.

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So on the controller folder go ahead and right click that and hit new file and this is going to be Iowa

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cocoa touch class and we are going to call this location Visi and make sure it's you I view controller

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that's important.

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And that looks good.

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Create and let's delete all this stuff here.

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And we don't need these comments.

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All right so what we need in our location Visi we're going to need to import our map kit again

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right map kit and we're also going to have to inherit from our M-K map view delegates right.

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So when we do that that will basically allow us to set the C-L location manager and we can also when

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we inherit when our other VCs inherit from inherit from this they won't have to inherit from either

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of these two classes so it's really nice.

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So the first things first we have to create our RCL location manager so let's call it var manager and

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it's going to be of type C-L location manager.

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And this is optional because we don't actually know if this is assigned so we don't want to just force

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on wrap things.

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And then in the view load We're going to say Manager equals equals.

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See location manager and then opening and closing parentheses.

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And that sets our manager to a new instance of a location manager and a couple of things we're going

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to need to do is we need to know the the accuracy and the activity type.

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And these are just you can find these in Apple documents if you need to look them up.

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So we're going to go ahead and say Manager dot desired accuracy and this is going to hit hit Eagle and

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you have to do a case see look I'm sorry Casey location accuracy best.

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So we want it the best like we're not driving a car we're just you know we're running we're moving not

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as you know not as far as like a car GPS would be so we want as accurate as possible because we're only

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moving you know like I don't know four or five miles an hour not very fast.

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So once we do that we also want to set the activity time.

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And we can do that by manager and then activity type equals and then you just do a dot and it will find

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all the options for us so if you if it was an auto a motive or if it was an automotive app we could

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do automotive navigation or whatever you want but we want to set this to fitness and that'll make it

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a little more accurate for us.

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And then one function that we need that we're going to share between our begin run Visi and our current

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run Visi is we have to check the location off status.

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So we're just going to call this function check location status.

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OK.

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And then basically we're just going to check to see what the status is so if C-L location manager dot

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authorization status does not equal dot authorize when in use.

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So that means the user has an authorized use for us to know their location.

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Then we need to call the manager that we established and say request when in use authorization.

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OK.

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So when that is done.

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So basically if it's if the status isn't authorized the phone or the user will be prompted for authorization

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and that's all we need in this location visi.

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And I'm just going to drag this location b.s. to the top because it's going to be shared.

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And now if we go back to our begin run Visi always do to have all that information from this Visi is

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let's get rid of this you view controller we don't inherit it anymore because location Visi does and

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we just have to inherit from location visi.

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It's pretty cool.

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And so once we do that the your view is going to load and we need to check authorization status right

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away.

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So let's go ahead and say check location off status and that since we're inheriting we have this full

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capability to access that function which is pretty cool.

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And then we also need to now set our map view delegate and that is that delegate.

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And we want to just set that to sell.

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We're only using the map view on this one.

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So that's pretty easy.

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And I think that's good for now.

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But now we also have to make sure the manager doesn't get a set and we don't want that view did load

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because once this views loaded if we go to the current run we see and come back there's a good chance

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is still loaded.

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So you did load will not be called and we have to make sure the delegate gets set in both current run

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Visi and begin run visi.

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So we have to set that delegate.

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And our view will appear so if we just side view will appear perfect and we can just go ahead and call

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our manager which we have access to because we inherited from location VC and just to delegate equal

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self.

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And now the delegate for C-L location is set to this visi.

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So that's pretty cool.

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And now we can also say a manager dot start monitoring location start monitoring now start up date and

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location.

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All right.

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Cool.

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Oh you know what this needs to be.

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You will appear

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want us to see.

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I mean we can force

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OK.

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So we unwrapped it as a location manager delegate which is fine.

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This all worked just great.

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And in our we also want to do of you did disappear.

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You did disappear and we want to make sure we stop updating location because we're going to be reassigning

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this delegate when we go to the other VCs So we want to just say stop monitoring location.

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OK.

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Cool.

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All right so with that being done we should be able to run this and just at least see the map so let's

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go ahead and run this

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whoas superzoom then I'm just going to like 50 percent that an awesome so our check authorization works

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we're going to click allow And now we'll see if a dot shows up should show up somewhere.

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Let me see if our Loek go to debug location and let's go to the Apple OK.

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Well our map showing and we probably just have to add a few more things like we have to set.

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Show user location and also enable tracking.

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But we're getting there things are and our start run button should take us all the VC suite.

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So our other VC works but obviously we can't get out of it.

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So let's go ahead and stop this and let's finish making things work.

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So we need to inherit or we need to extend this class and we also have to have it inherit from C-L location

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manager or delegate.

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OK so if we do an extension down here extension and then this is called the begin run Visi and it needs

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to inherit from C-L location manager.

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DELEGATE.

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And the reason we're doing this is because we need location manager and like we need to show the user

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location on the map view only on this PC because the other VC doesn't even have a map view so it doesn't

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matter.

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And now since we inherited the C-L location manager We're going to be able to delete this so let's delete

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that.

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We don't have to cast it as anything.

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And it just it knows what it's supposed to be now.

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So that's cool.

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So let's go ahead and do a function.

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Location Manager and we need did change authorization status.

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So where would that change

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it did fail.

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There's got to be a better way to find this.

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One second guys did change

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did change authorization there go so go ahead and when you see location manager did change authorization

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hit enter.

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And in this function we need to just check to make sure our authorization is still set.

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So it is passing in a status.

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And let's just go ahead and say if status and if that is equal to authorization women use that's good.

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And if that's true we want to check location status again just in case you know something.

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We want to just always make sure we're authorized to have access and that will actually re-initialize

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a lot of things here.

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So if we just check our status again that's fine.

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And then we want to make our map view show user location you know we need to set.

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That's true.

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OK.

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And then we also need our map view that user tracking mode equals.

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And then you can just do a period dot follows and you can do numerous other things.

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But we wanted to follow our DOT and those are the only two things we probably have to do to get our

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data showing up so let's go ahead and run this again.

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And there we go.

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And it even zoomed in on us without setting a radius.

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So that's pretty cool.

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I think we can call this video done and I think in the next video we should probably work on.

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Let's see what should we do.

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I think we should move on to the current run and what we'll do is we'll get our slider button all hooked

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up.

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So if we enter this we see we can at least and the run and get back to the other visi.

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So in the next video you guys should try to do this.

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We're basically animating the UI image view here and allowing a slight gesture to move it.

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And when it hits a certain location it can call an action and it will return.

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It will exit or dismiss this VC.

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So you guys should try to do that.

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It's OK if you can't.

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This is a pretty cool feature and it can be kind of complicated to understand at first but before we

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end let's just make sure we pull up our terminal and do a get ad period and then a dash and.

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00:20:19,910 --> 00:20:28,070
And let's see we got our map view and Loek shared location.

228
00:20:28,380 --> 00:20:36,160
And I just hit enter and we are good to go and I will see you guys in the next lesson.