Many iOS beginner tutorials start with Swift syntax, covering variables, functions, UI components, and progressing step by step. But when you’re actually ready to write an app that runs on a phone, you quickly encounter another issue: code is only part of the story; the rest involves an entire development workflow.

If you define getting started as being able to run an app on an iPhone, what you need to master is a series of sequential actions, not just isolated knowledge points.


Step 1: Give Code a Place to Exist

The first step in writing an iOS app isn’t writing code, but giving the code a recognizable structure.

This involves the concept of a project:

  • Where is the entry file located?
  • In which directory are resources stored?
  • How is the basic configuration of the app organized?

In traditional environments, this step is automatically generated by the IDE. Open the tool, select a template, and you get a complete project.

In Kuai Xie, this process is similar: after choosing a Swift or Objective-C project type, the IDE generates a project structure that can be run directly. Open the file and you can start writing code.

The key point in this stage is whether the written code is in a compilable context.
New Project


Step 2: How Code Becomes an Executable Program

After writing the code, the next thing is to make it run.

This step involves the compilation process:

  • Source code is converted into machine-executable files.
  • The app is packaged into a system-recognizable format.

For beginners, this process is a “black box,” but it always exists.

In some tools, this step requires a full development environment; while in IDEs like Kuai Xie, the compilation tools are built directly into the software. When you click run, the IDE automatically completes compilation and building.

Developers only see a button, but behind it is a complete build workflow.


Step 3: Why It Must Run on a Real Device

Many people complete testing in a simulator, but when it comes to system behavior, performance, or real interactions, running on a real device is necessary.

The key here isn’t just running, but connection:

  • How is the device recognized?
  • How is the app installed onto the device?
  • How are modified code changes quickly synchronized?

In Kuai Xie, this capability is integrated within the IDE. After connecting an iPhone, you can directly execute the run operation, and the app will be installed on the device.

For the beginner stage, the more direct this process is, the lower the learning cost.
Connect Device

Step 4: The Feedback Loop After Modifying Code

Writing code isn’t a one-time act, but a continuous process of correction.

For example:

  • Modifying interface layouts
  • Adjusting button logic
  • Updating data display methods

Each modification requires recompilation and running to observe changes.

If this loop is interrupted, such as needing to switch tools or reconfigure the environment, it can disrupt the learning pace.

In a highly integrated IDE, this loop is shorter: save code → rerun → view results.

The role of Kuai Xie here is to compress “modify → compile → run” into the same environment.


Step 5: The Significance of Different Tech Stacks in the Beginner Stage

iOS development isn’t just one approach.

Besides Swift, there are:

  • Objective-C (encountered when maintaining legacy projects)
  • Flutter (a cross-platform solution)

Exposure to multiple project types in the beginner stage isn’t for in-depth mastery, but to understand the existence of different solutions.

In a tool that supports multiple project types, you can quickly switch between different projects and observe their structures and running methods.

Kuai Xie supports Swift, Objective-C, and Flutter projects, which can serve as an observation window in the beginner stage.


Step 6: The Step of Building an Installation Package

When app functionality is complete, you need to generate an installation file.

The uses of this file include:

  • Installing for testers
  • For internal validation
  • Submitting to the App Store

This step differs from the development phase; it’s closer to the release process.

In some tools, this step requires additional operations; while in an integrated IDE, you can directly generate an installation package through the build function.

Understanding the significance of this step in the beginner stage helps distinguish between the development workflow and the release workflow.
Build

Reference link: https://kxapp.com/blog/21