In this digital world, apps development plays an important role. iOS development is one of them. iOS development is the process of creating apps for iOS/Apple devices like iPhones and ipads. In this article, I’ll help you start with iOS development. How to get started with iOS development?
The first thing you want to do is install Xcode. Xcode is just an app/software which is created by Apple and it's basically the only way you can create ios apps. There are also other ways like a flutter and react but they're not native. I would highly recommend going with just Xcode. It's way easier than trying to set everything else up. It's quite a big app. It's actually more than what it says because there are always new updates and I think you're going to need at least maybe 40 gigabytes of frees space.
It's important to sound Xcode and another thing you want is let's say you're having trouble downloading Xcode from the app store well then you can go to developer.apple.com. All you have to do is go here and you can download all the Xcode previous versions and nearest versions. You have Xcode 2.3, 2.2, 12.2, 12.3, etc. It's just really useful here. I don't know if you need a developer account but I don't think you will. You can just go here and download whatever you want. That's the first step in getting started with ios development.
How to use Auto Layout
So I'm going to be continuing from getting started with ios development. Now I'm going to tell you how to use auto layout. I didn't go into detail about how useful it is. Auto layout is really useful because you don't actually have to create a new screen every time a new device comes out. If a new iPhone comes like you don't need to quickly go and make a new screen because you know your auto already handle it.
So the first thing you want to know is if you want to send something in the middle of the screen. You have to horizontally incentive i.e. centred it and vertically contain it. These are just alignment constraints so they aren't based on anything else. They're based on the actual screen and a rule of thumb. I like to have is if you're using these constraints then you should typically use at least three and then you can have more. But I wouldn't use too many errors so it's not giving you errors. I can add in a new item. I'll just add a switch in because it's easy so to add this switch. Now what I’m going to do is all I can set the top constraint to be let's say we want it 20 off this label. Now I know on any screen this label will be in the centre and this switch will be 20 below it.
Now I can centre these two to be how many other sides away from each other. But that's what I need to add now and you can see since I only added one, it gives me an error. It doesn't know where our exposition is so to fix that. If we centre it, so horizontally is down the middle vertical is the side. It's quite confusing but you just need a lot of practice. Now we know this switch will always be in the middle of the screen and it will always be 20 below this label and this level will always be in the absolute middle. Now let's say we can add an image view in and this image view will have to be 87 on each side and 19 from the safe area in the view.
The safe area is a big rectangle and it's just here and above this curve. It doesn't include this curve. Next to the notch both of these bits so if I set it to the safe area which is on by default 20 and then I would do a7 on each side. Now again it doesn't know our x position and since it doesn't know our height, we can bring to us these constraints. These constraints are just the width and height and since we've already specified the width. Since it's 87 on each side we can't add a constraint for that we can add a high constraint and that should fix everything. So that's about it for all of the constraints and you can just modify them by always changing this.
How to use iboutlets
I'm going to be telling you how to use iboutlets on ibactions. This is only relevant if you use storyboard but when you're a beginner or new app development company in bangalore then it's pretty useful. Just use the storyboard to make it a lot easier on yourself. The ibactions and iboutlets are really basic and they're really important because they're what helps you connect the elements which you put on this screen to the code.
If I drag in a label here and I can add an iboutlet and that's all I can do with a label. I'm not going to be covering outlook collections today but they are also important. But for the label, all I can do is add an outlet. So I'll just name this text label and that's all I can do. Now that we've connected this outlet what we do is we can just use this text label and then we can just change all the labels properties. So text equals hello aria, okay and that's all we can do now.
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