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Come back again in this lesson we're going to talk about s.a.a transactions when you see a transactions

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essentially to make different animations of the year happen simultaneously.

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It is a way of making all the CA I Nations atomic So they happen at the same time at the same thread.

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You could also add the UI view animations into the CIA turns action animation.

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So it is a system for combining different animations.

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It is often used for when you have a more complex set of animations happening.

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So I'm going to go to school and starting your project I'm going to call this project C A transactions

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and you might see a transaction.

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I'm going to have to go to the a storyboard and add the one object for animating essentially that object

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is going to be you I view.

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I'm not going to change anything other than making it my on a more distinct color then I'm going to

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go to my assistant window and I'm going to add an outlet for it.

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I'm going to call that outlet to read the box.

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That's all I'm going to do in this story.

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Now let's go ahead to our viewer controllers 55 and in here I don't need to use that lot.

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What they need is some sort of mechanism for running the animation and we usually use.

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But then this time I want to use that touches.

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And so every time the touch ends I want to run the animation.

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So let's see what all those animations that I went on over on three animations.

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I want to change the center of the object B.

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I want to change the shadow color and see I want to change the corner radius.

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So I want to change these three animations as we go through everything every cycle of the animation

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essentially every time the touch ends we have to change these three.

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So let's go ahead and get started with not before I can do these things particularly for the shadow

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color.

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I have to actually set up some things and the most important one of them is the shadow offset.

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We should know where the shadow is going to be generated so to do that.

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I'm going to go ahead and say that box dot layer dot shadow of said I'm going to put that as a CGI size

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and the CGI size.

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I'm going to put it to the left onto the bottom so minus 10 and maybe 20.

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So to the left and to the bottom and that I'm going to say Red Box dark or dark shadow opacity and I'm

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going to set that at maybe point 7 5.

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So this is kind of my initial settings.

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Now let's go ahead and get this started with actually animating using the see a transaction and the

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way you see a transaction works is very similar to a basic view animation USACA transaction door to

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begin.

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And then you do a lot of things and then you say see a transaction that come out.

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So that's essentially the block that you're right.

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You start with that begin and then you do a comment and then between the two of them you decide about

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the animations that you want to see.

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So before I go ahead and do that let's do some settings for R-CA transaction.

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I was going to say s.a.a transaction that said animation you ration.

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Which is this one I they give it to seconds for instance and then I'm going to have to change my animation

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timing function even though you don't have to.

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But you know it's kind of optional thing that is useful to do it.

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So that's going to be called animation timing function.

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And if you're expecting me to give it a see a media timing function which I'm going to say it is based

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on one that is named let's say linear or ease in or ease in and ease out.

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So it's essentially the same thing as we have gone through before how you run your animation how you

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ease in and out of different keyframes.

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So once I have that that we get myself a little bit of a space so I have my s.a.a transaction it's basic

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settings are ready it is ready to essentially come it or to launch and now have to give it the animations

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that they want to see the first bit of animation is a view animation.

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When I change the center so that's going to be a you if you animate.

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And I'm going to use the animation that doesn't have a completion because I don't care about that let's

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say into science let's do this animation self self dot the red box data center becomes self view dot

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center.

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So simply it goes and sits in a middle of the screen.

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And that's really really simple.

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Now let's go ahead and add two other animations for our lawyer.

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One of them for the shadow color.

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One of them for the corner radius.

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So both of them are going to be rather simple.

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I'm going to say let's corner on him and that's going to be a basic animation that's the basic animation

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I usually have to get the cheap shot.

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This time I'm not going to give it they keep either you will see you soon.

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And I'm going to say quarter animation.

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Of course you have to have it from you.

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So it is a core animation.

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Currently it is zero.

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And I need the corner animation to value which again I have to give it to let's give with a really large

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number maybe 50 so we can see it very clearly and then I'm going to see once this animation ended.

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I want to have my red box dot dot corner radius to stay at 50.

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Otherwise it would just jump back to being zero.

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So I'm going to set that to be back to 50 and then I'm going to have to say Redbox dot dot dot.

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I'm going to add the corner animation to it for the keypad.

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And here's what I'm going to use the keypad on the keypad is going to be your the corner radius.

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So this animation is now properly added to my red box.

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Let's go ahead and I'm actually going to copy everything in here because I know he's going to be an

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exactly similar thing except that this time it's called shadow shadow color on him and the shadow on

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him and the keypad to it right.

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Have the same keypad is it.

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See a dark shadow color.

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And then I'm going to see shadow color on him.

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It's from body you is you white color dot black dot C.G. color its truth value is you white color dot

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green perhaps dot C.G. color.

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And at the end we have to say layer dark shadow color becomes green as well.

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So I'm going to copy paste it there and then I'm going to say Red Box layer that shadow color animation.

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And if you don't need a key part this time because we already have added up here.

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So two different ways of adding animation depending on the keypad and obviously different from values

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and two values.

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And you have to keep in mind that the from and to is there kind of I don't know what kind of what type

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of valuable you have to fit them.

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So it's kind of unsafe but you have to be very careful with it.

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And now we have a C-8 transaction animation with two values.

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And if it all works when we go to our simulator every time that we head touches and we should see these

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three animations happening at the same time.

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Let's see if that's the case type and it's happening again it's happening of course you view animation

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center is already there so that that's not really changing but everything else is beginning from those

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values and ending at the same time.

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And that is C.A. turns action a way to combine different primarily see Aliah animations but you could

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also view animations in them as well.

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Let's keep it up to here and let's move on to our next lesson.