Create the first IOS program Hello World

We learnProgramWe all know that, in any language, we will break into an entry program with inertia! Hello world!

This is also true for iOS! Not much nonsense!

Next I will introduce it to you! The first hello wolrd program in IOS!

 

First, create a project:

1. Open xcode and select to create a project.

 

2. Select the created type: Because we demonstrate the program on the iPhone, I want to select iOS and then select single view application-> next

 

3. Enter the project information, such as the company name of the project name. Continue

 

4. Select the project storage address: storage path

 

5. Project Creation successful page:

 

6. Find the. Xid file in the project file. The name here is viewcontroller. XIB.

 

7. Create a label control: drag the label directly in the lower right corner to the work zone.

 

8. Modify the properties of the label control:

 

9. run the test!

 

Successful!

 

 

The Hello world example is introduced here! In the next example, I will introduce how to add button components!

(Based on this example)