HELLO IOS DEVELOPMENT PDF
Hello! iOS Development by Lou Franco. Eitan Mendelowitz. Chapter 1 1 Hello! iPhone 3. 2 Thinking like an iPhone developer 3 Coding in Objective-C Hello! iOS Development is a tutorial designed for novice iOS developers. Using the Hello! style of . eBook $ pdf + ePub + kindle. add to cart. Hello! iOS. iOS Summary 2 Objective-C Boot Camp Building Hello World the . task of keeping on top of iOS development better suited for a team than for an individual. By .. pdf) for a head start on Cocoa, and for Xcode, see A Tour of Xcode.
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Where to download Xcode 10; The 5 main parts of the Xcode development environment; How to use the iOS simulator to test your app. By the. Basic understanding about iOS App Development. • Development . Distribution. Source: ppti.info App Development with Swift Curriculum Guide | September 3 world of app development and the basics of Swift and Xcode. Lesson 4: Hello, world!.
Follow the steps in the Device Provisioning guide to set this up. This will launch the application inside the iOS Simulator: Phone calls are not supported in the iOS Simulator; instead, you will see an alert dialog when trying to place a call: Visual Studio Walkthrough This walkthrough describes how to create an application called Phoneword that translates an alphanumeric phone number into a numeric phone number.
Your set up can differ from this, as long as it meets the requirements above, but be aware that some screenshots may look different to your set up.
Note Before proceeding with this walkthrough, you must have already connected to your Mac from Visual Studio. This is because Xamarin.
To get set up, follow the steps in the Pair to Mac guide. If it isn't, this means that there is no connection to your Mac build host, follow the steps in the configuration guide to get connected. Adjust the width so the Button is as wide as the Text Field and Label: With the Button selected on the design surface, change the Name property in the Identity section of the Properties to TranslateButton.
Change the Title property to "Translate": Repeat the previous two steps and drag a Button from the Toolbox onto the design surface and place it under the first Button.
Hello, iOS – Quickstart
Adjust the width so the Button is as wide as the first Button: With the second Button selected on the design surface, change the Name property in the Identity section of the Properties to CallButton. Add some code to translate phone numbers from alphanumeric to numeric. Otherwise you may not be able to reference this new class.
This creates a new C class. Click Next and Create to save your new app project. Running Your App Xcode has created the basic template for your app with all the required files.
At this stage, it is fun to run the app and see how much you get for free. Click the Play button in the toolbar to run the app or use the Command-R shortcut.
Xcode will now compile all of the code into machine code, bundle up the resources required by the app and then execute it. Note: The first time you ever build and run an app in Xcode, you might be asked whether you want to Enable Developer Mode on this Mac. Developer mode allows Xcode to attach a debugger to running processes — which will be extremely useful when building your application! There is a complete set of menus, many of which already work without you doing anything.
Xcode Tutorial for Beginners
The Dock icon has the usual menus. The Xcode Interface Xcode packs a lot of features into a small package, so not everything is visible at one time. When you open a new project in Xcode, you have a window with a toolbar and three main panels.
The left panel is the Navigator panel and has 8 display options across the top. The one you will mostly use is the first one — Project — which lists all the files in your project and allows you to click on any one to edit it.
The center panel is the Editor panel and will display whatever you have selected from the Project Navigator. The right panel is the Utilities panel and it will vary depending on what you are looking at in the Editor panel.
Adding the UI You design the user interface using a Storyboard.
Your app already has a storyboard, so go to the Project Navigator and click on Main. Your display has just changed dramatically!
Have a look at the things you can see in the visual editor. There are three main areas, each of which also has a textual representation in the Document Outline: Application Scene: The menu bar and items.
Window Controller Scene: Configures how the window will behave. In the Utilities panel, you see a top section with 8 tabs and a bottom section with 4 tabs. The bottom section switches between various things you can insert into your project.
Right now you want to insert UI elements, so select the Object library which is the third from the left. Finally, add a Label.
Now, build and run the app using the Play button or Command-R. You will see these 3 UI elements. Try typing in the text field — it already supports all the standard editing shortcuts: copy, paste, cut, select all, undo, redo and so on.
Configuring the UI Go back to Main. In the Utilities panel on the right, make sure the Attributes Inspector is showing — the 4th button across the top.
The button may not be wide enough to show all the text, so go to the Editor menu and select Size to Fit Content which should fix that. If Size to Fit Content is disabled, click somewhere to de-select the button, then re-select it and try again. Now click in the text field to select it. To help the users, add some placeholder text to the text field using the Attributes Inspector.
Stretch the text field out a bit to allow for long names and position the button to the right of it. Position the label below the text field and button. Since the label is going to be important, make it use a larger font. Select the label and in the Attributes Inspector, change the font to System Regular How about making the text red to add even more excitement?
With the Main. This will create a second editor panel containing the ViewController code. Depending on the size of your monitor, things may be looking a bit cramped now, so use the rightmost button in the Toolbar to hide the Utilities.
If you need even more space, hide the Navigator. What is the Playground? Every single day, you use computers. From doing homework, chatting with friends online, listening to music, and playing games, you spend lots of your time on computers and mobile devices. So why can t you create programs that people will want to use? The only thing stopping you is taking the time to learn how!
Ready to get started? Let s go! Your I can do It!
I had to tell him my news. I was screaming with joy because my app ttables made it to the App Store! This book is about how you can experience this for yourself. Once you start reading this book, as you travel through Xcode and Swift and reach the ios platform, you too will want to shout Yes, I can do it!
My Yes, I can do it! Screenshots from my first app on the App store The Journey Ahead Together, we will complete this journey in?? But don t worry, you don t have to wait that long. You ll start building your own apps soon after we begin. To get ready to build apps you ll learn what an app is, what it means to program and write code, and just a little bit about the Swift programming language. After that, you ll install the software you need and write your very first line of code!
The word app is short for application. An app is a program that a developer writes for a purpose. Apps are created to do lots of things, like entertain, educate, inform and anything else that the developer wants it to do. Most of the time when people talk about apps, they mean programs that run on mobile devices.
Think of an idea apps for everyone! What do you mean by mobile devices? Walking with a laptop. Many people use their phones mainly for apps. One of the reasons for this is because they are mobile. You can t use a desktop or laptop with that level of ease.
And you might drop it! Walking with a mobile device.
The best apps need to meet some basic requirements that make people want to use them. Take a look at the pieces of what makes an app good.
While you look through these, think about your favorite apps and how they contain all of these elements. Good Graphics: Graphics are one of the prime requirements of an app that can become someone s favorite.
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Users will be attracted more if the graphics are memorable and colorful, rather than black and white depending on the situation. Simplicity: The app should be simple and easy-to-use, and needs a clean and uncluttered design.
At the same time, the screen should not be too blank, unless required for a purpose. Easy to read: Always try to present your text in easy to read and legible font size. Also, make sure that your font color contrasts with whatever is behind the text of your message so it s more readable. Quick Responses: Try not to make one button do too much work; the app can become slower. Users don t like to keep waiting for responses from Apps.
Do something useful: The app should have a purpose. It could entertain, teach you something, keep you updated, or solve some specific problem. No errors: Your app should have no mistakes or errors and should correctly do what it is meant to do. What is programming? Before you get into making apps, you need to understand what programming is.
When you program, you write a set of instructions on a computer that tells it to do a particular task. These written instructions are called code. When you program, you start by writing a bunch of instructions.
macOS Development for Beginners: Part 1
Giving a computer step-by-step instructions in its own language is programming. Computers are are extremely good at calculations. They have the ability to calculate huge numbers that you throw at them. And computers are also great at repetitive work which a human would quickly get sick and tired of doing. So we can make programs and give these tasks to our devices to free ourselves to do things we like more. The process of programming.
Here is a mental map to show you these steps. STEP 1 You have an idea for an app in your head; it s time to get started! STEP 2 Make a starter app that does what you want. It may have a few minor problems but those can easily be fixed later. STEP 3 Test the app Try it out and note down whatever you think might need to be fixed for example: bugs and glitches.
STEP 4 Fix all the bugs and glitches that you encounter. Also take this step to make your app look nicer. STEP 5 Repeat steps 3 and 4 until there are no bugs or glitches that you can notice while you are in the process of testing your creation.
You just told us about the pieces of a good app, when do we work on those? It s important to think about those even while you re at step 1. Try to use good design when you build it in step 2.
Next up: Swift! At this point, you may already have a completed step 1, having an idea. But to get to step 2, you need to start learning Swift.One way to organize this app is as a group of tabs: The editor area has three different views and you can toggle between them with the set of buttons in the upper right hand corner:.
As you see more of them. The result is compact code, focused on the value provided by your app. Click Single View Application. And add this code in the module file: Although Swift is a robust language, there are certain tasks that Objective-C lets us do.
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