It's already very old, because the project needs to start iOS development.
When I started using MacBook, I felt like everything was new. A cainiao was sitting in front of a beautiful macbook. No office (office for Mac), no favorite input method, no online banking, and no keyboard.
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Get started with Objective C, iPad development, iPhone development .....
See Objective C'sCodeEven more dizzy. It's totally different from C # And java. What about C's super? Too many, right? Learn more.
Today, based on the examples in the book, I tried it and learned several important concepts.
Iboutlet establishes the association between the Code and the control in XIB. After manually adding the code to the. h file, it establishes the association between the control and the variable in interface builder.
The ibaction API establishes the association between the Code and the control event in the XIB. After manually adding the code to the. h file, it establishes the association between the control event and the action in the interface builder.
Continue tomorrow