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How To Build An App For Iphone-hey guys what's up it's
handride.blogspot.com from code with chris dot com. here with your very first. video series. called how to build your first iphone application. and my goal with this YouTube channel is. exactly like it sounds to teach you guys how to build iPhone and iPad apps. this first video series. is going to teach you guys the basic skills and get you guys familiar with. xcode. it's going to be about. eight videos long i think. and by the end of it. you're going to know. basic skills like. creating buttons and. creating composite views. learning what. app architecture means in iOS. uh...
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how to hook up handlers and using delegates and stuff like that. so. in this particular video we're actually going to. take a look at what we will be building for the next eight or ten videos; I have the demo. ready. and i will tell you guys where to download XCode, so you can. get your environment setup. and then we will. go and set up on our first XCode project. so let's get started!. So this is a demo of what we will be building. It's a dice roll simulator. and as you can see, all that does when you click the roll button is. randomly generate. two random numbers between one to six and then.
show their dice representation on the screen. So it's a pretty simple application but it's going to serve the purpose of. teaching you the basics of iOS app architecture. some objective c basics as well as. getting familiar with the xcode so by the end of. this video tutorial series. you're going to know how to handle button clicks. and how to build an iphone view comprised of smaller views, you're going. to know how to load images. and. show text labels. stuff like that. in terms of environment, you don't even need. an actual iOS device at this point. All you really need is a Mac.. next How To Build An App For Iphone
You need to download XCode which is free. and as you can see during your development phase you can use this. simulator that comes with XCode. to. to load up your app to see how it's working and stuff and. it comes with. all sorts of cool features like you can rotate it you can you can. simulate shake, you can simulate memory warnings and. you can even. you can even put in a custom location. if you wanted to debug. GPS specific functionalities.. Okay so. the easiest way to get XCode is to download it from the app store. you can search for XCode and it's gonna show up as first result.
If you. don't have the Mac App Store for any reason you can still download. the. image.. So all you need to do is. hit this URL right here.. You're going to have to sign up for a. a free. developer account. and. once you do you're going to be able to access this page and download. this image right here.. XCode 4.5.2 is the latest one.. So once you have xcode installed. let's go ahead and launch it. and make sure you pull down the menu here. and go to "About XCode" just to doublecheck what version you're running..
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As of the time of this video, the latest version is 4.5.2. And just make sure you're not running anything older than that. because sometimes your Mac may come pre-installed with. XCode. Or maybe you've bought a used mac which already has xcode. and then sometimes. you'll have two icons and you'll end up using the wrong one.. So just make sure you're using the latest version.. And when you launch XCode you may see a welcome to XCode menu.. In my case i don't have that. but if you do have that you're gonna see a button that says "create new project"..
so go ahead and click that. For me, i'm going to go through the menu system. which will be the same thing so i'm gonna create new project here. It's going to bring up a window. that allows you to select a couple of templates just a start off your. iOS project.. and make sure that you're under the iOS heading. and under "Application". so there's a bunch of different. templates you can use and you might recognize some of them especially. the tabbed application which is very common in the app store. but for our. demo dice roll app, we're going to use a single view application..
Here you're specifying a couple properties for your project. You can. change these later but. for now,. give your demo app a name. I'm going to name mine "iPhone App Tutorial". For organization, you can put your own name and for company identifier. this is going to be really important when you start to deploy your applications. to devices and stuff like that. because. once we get into provisioning and.
basically setting up our app. to deploy our on real devices. it's going to matter.. What this is, is going to matter. Normally, the convention is going to be a. top level identifier. and then a secondary one and finally your app name.. You can select. what type of devices you want this to run on. and again. selecting one doesn't mean that. it won't be able to run on. the other.. You can always tweak these settings in the build settings,.
the project properties later.. And what's more is that, let's say I select. iPhone and then I wanted to. also allow this run on iPad to have iPad specific views, i could definitely. add iPad specific views and change my project settings later to allow it to run. on iPad. So don't feel like this is set in stone.. But for our demo we're going to select iphone.. We're going to leave. "use storyboards" checked off..
And maybe in the future, i'll do a tutorial on how to use story boards.. You definitely want to have "use automatic reference counting" checked.. You guys might have heard. back then before. iOS5,. developers. had to manage their own memory and that was a huge barrier for people learning. objective c and iphone/ipad development but nowadays, we can have. xcode automatically do that for us so. go ahead and have that checked off and you can leave unit tests. checked.. unchecked i mean..
Click next; its going to ask you where to save it. and. there we go! We have our project created.. By default it's going to dump everything in the root folder and i usually like to. organize this a little bit better.. I think I'll go through that in the next video.. For now, all i want you guys to do is. in this top menu right here. choose iphone 6 simulator and then just hit "Run". to see that simulator pop up and see your app.. So there you go,. you don't have anything in this application right now so it's showing you an empty. screen.. But that's. pretty much our "hello world"..
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So i'm gonna end the video off there. and look forward to the next one where i will. it'll probably be about showing you guys. all the different parts of xcode. and getting you familiar with that and maybe revising some of how. this is structured here and organizing the project.. Alright until next time;. Make sure to comment and subscribe.. Comment especially if you have some questions and you have stuff you don't. understand. That's where i'll be checking and answering your questions.. And please follow along if you want to get the most out of this.. Okay until next time. Bye!. .Thanks for read How To Build An App For Iphone
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