Where is foundation tool in xcode 4

These can be either a description or a template, on how to solve a problem in a variety of different situations. Cocoa-Touch is the programming language framework that drives user interaction on iOS. It consists of and uses technology derived from the Cocoa framework and was redesigned to handle multi-touch capabilities. The power of the iPhone and its user interface are available to developers throughout the Cocoa-Touch frameworks. Cocoa-Touch is built upon the Model-View-Controller structure; it provides a solid stable foundation for creating mind blowing applications.

Using the Interface Builder developer tool, developers will find it both very easy and fun to use the new drag-and-drop method when designing their next great masterpiece application on iOS. Object-Oriented applications like Java and. Net have adopted the MVC design pattern. Model: This part defines your application's underlying data engine. It is responsible for maintaining the integrity of that data. View : This part defines the user interface for your application and has no explicit knowledge of the origin of data displayed in that interface.

It is made up of Windows, controls, and other elements that the user can see and interact with. Controller : This part acts as a bridge between the model and view and facilitates updates between them.

It binds the Model and View together and the application logic decides how to handle the user's inputs. Object-Oriented programming OOP , provides an abstraction layer of the data on which you operate.

It provides a concrete foundation between the data and the operations that you perform with the data, in effect, giving the data behavior. By using the power of Object-Oriented programming, we can create classes and later extend its characteristics to incorporate additional functionality. Objects within a class can be protected to prevent those elements from being exposed; this is called "Data Hiding".

Data Hiding is an aspect of Object-Oriented Programming OOP that allows developers to protect private data and hide implementation details by encapsulating this within a class. In the following Java code example, we take a look at how we implement hiding of variables, and only exposing those methods to extract this information:. In the partial Dog class snippet above, we show how we are able to expose and hide variables within a class.

In the following example below, we look at how we go about using the Getters and Setters to store and retrieve information, without directly assigning values to the variables:. In the above code snippet, we have declared a number of different variable data types as well as the getters and setters to retrieve and assign values to these variables. Generally speaking, all variables declared within a class should be made private; since these types are not made visible outside the class.

The only methods which should be made visible to a class must be made public and therefore supplemented with the "get" and "set" methods. In the following code snippet, we look at how we use the getters and setters to store and retrieve the data:. In the above code snippet, we declare a new instance of our Dog class and then use the Setters method to add values to each of our private method variables, before finally displaying this information out to the screen via the Getters methods.

I found it to be one of the strangest looking languages I had ever come across. Today, I really enjoy developing and working with it, so will you too.

It is an extension of the C Programming Language. Net or Java, learning Objective-C should be relatively easy for you to understand. These are also referred to as 'implementation' files. We declare a function called method and a variable i , which is passed in as a parameter. If we were to compare this same code to how it would be written within C, it would look like this:. This is done by using include. In Objective-C, we use the import directive.

If you observe the content of the MyClass. The import statement is known as a " pre-processor directive. In Objective-C, you use the import statement to do the same, with the exception that the compiler ensures that the file is only included once. If you wanted to import one of your own header files to be used within your project, you would specify and make use of the double quote marks " " , as you can see from our code file, MyClass.

A Class can simply be defined as a representation of a type of object; think of it as a blueprint that describes the object. Just as a single blueprint can be used to build multiple versions of a car engine, a class can be used to create multiple copies of an object. In Objective-C, you will spend most of your time dealing with classes and class objects. An example of a class object is the NSObject class.

NSObject is the root class of most of the Objective-C classes. It defines the basic interface of a class and contains methods that are common to all classes that inherit from it. To declare a class, you use the interface compiler directive that is declared within MyClass.

To implement a class declared within a header file, you use the implementation compiler directive , as follows:. In Objective-C, in order for us to create an instance of a class, you would typically use the alloc keyword to allocate memory for the object and then return the variable in a class type.

This is shown in the following example:. If you are familiar with other languages such as Java or C. Net, instantiating a class can be done as follows:. In OOP, when you are defining your classes, bear in mind that by default, the access privilege of all fields within a class are protected.

These fields can also be defined as public , or private. Class members are made visible to the class that declares it as well as other classes which inherit from the base class. We have only covered a small part of the Objective-C programming concepts. These tools have been designed to integrate and work harmoniously together. The Xcode IDE is a complete full-featured development environment, which has been redesigned and built around to allow for a better smoother workflow development environment.

With the integration of the GUI designer Interface Builder , it allows a better way to integrate the editing of source code, building, compiling, and debugging. All of your form objects are stored within one or more resource files, these files contain the associated relationships to each of the objects. Any changes that you make to the form design are automatically synchronized back to your code.

The iPhone Simulator provides you with a means of testing your application out, and to see how it will appear on the actual device. The Simulator makes it a perfect choice to ensure that your user interface works and behaves the way you intended it to and makes it easier for you to debug your application.

The iPhone Simulator does contain some limitations, which cannot be used to test certain features, so it is always better to deploy your app to your iOS device. Alternatively, you can use Spotlight to search for this: simply type Xcode into the search box and Xcode should be displayed in the list at the top. When Xcode is launched, you should see the Welcome to Xcode screen as shown in the screenshot below.

From this screen, you are able to create new projects, check out existing projects from the SCM, and modify those files within the Xcode integrated development environment. It also contains some information about learning Xcode as well as Apple Developer resources. The panel to the right-hand side of the screen will display any recent projects which you have opened. These can be opened and loaded into the IDE by clicking on them:.

T he Xcode Integrated Development Environment is what you will be using to start to code your iPhone applications. This consists of a single-window user interface, consisting of the Project Window, Jump and Navigation Bars, and the newly integrated Interface Builder designer. We will talk more about the Xcode 4 workspace environment in Chapter 2 , Introducing the Xcode 4 Workspace :. Add the following to it:. You can copy the contents of the previous build script tab, but remember to add the new IncBuildNumber.

Build the project a few times and check Info. In the current Scripts folder, ImageOverlay. Also, there is Shell. It allows you to execute shell commands from Swift. Create a new Swift file in the same folder named AppIconOverlay. Add a new script to the build phases like the previous two and move it to the top — but this time, you want to include the three Swift files, Shell. The shell script in the new run phase should be:. Build the project once on Debug and once on Release.

Observe the changes on the AppIcon. In your previous scripts, you automated some operations on the resources used by the project. It helps developers to quickly spot any formatting issues in their code and always keep the code organized and visually clean. The GitHub page provides different ways to install it. Then, run the following command:. This lint violation is intentional. Your script will run the same operation directly in the build process and check the number of violations found.

Add the following in the new file:. The code adds the standard main that you saw in all the previous scripts and is only calling startLinting allowedWarnings:. As mentioned earlier, Shell. So, to run the same command you just executed in a shell, all you need to do is add the following line in startLinting allowedWarnings: :.

Add this new script to your build phases in a new run script phase and reorder it to the top. Remember to add the Swift file to the input files list, or you could hard code the file directly. You also need to compile Shell. You received the result of the command as a string. Add the following to the end of startLinting allowedWarnings: :. To get the number of violations, the code separates the last part into single words and takes only the second word, which contains the number of violations found.

If the number exceeds the allowed, you print an informative message then exit the execution with an error. Passing any value other than zero means that there was an error and that is why the execution was terminated. For me it worked after updating Xamarin. App distribution problem on iPhone. Bind item. Tapped in listview in Xamarin forms. Skip to main content. Find threads, tags, and users NET Core 3.

Current Visibility: Visible to all users. Same for me. Same here and I don't even see the simulators. I can't work anymore so please this is urgent! Same problem here. Does not run on device and no simulators are showing. So the solution for me was to start a new project a port all the functionality from the old project into the new project. It could be that recreating the target, as Paul suggests in another answer, would fix it as well, but with such a simple project restarting from scratch was easy for me.

Ok, so nearly 6 billable hours later, I've gotten the build to work correctly in Xcode and on the command line and on the build server, the whole point of this exercise. It was one of those times that I adjusted nearly every setting I could find, so it's hard to say what exactly what wrong and what exactly fixed it. Anyway, I hope I've peppered enough keywords above that anybody who has any similar build issues in the future stumbles upon this and finds it useful. I have no clue how a workflow I did many times in Xcode 3.

This was a heck of a learning experience for me, and going through all of this did seem to clear up issues with autocomplete I was having beforehand. I will say things could have been much worse; I could still be developing for SharePoint.