Start developing iOS app 1 todolist and iostodolist

Source: Internet
Author: User

Start developing iOS app 1 todolist and iostodolist

I have been studying iOS development for nearly a month. I bought a book for iOS development, but the version in the book is different from the system version. I followed tiny recommendation on the ourcoder website to learn the iOS step by myself. Use the official Apple documentation to learn about iOS.

My development environment is as follows:

Mac10.11 xcode6.2.3 encountered a problem when I followed the document Learning to create todolist last night. I checked it for two consecutive nights and finally solved the problem. The result was that I typed the wrong word.

In the figure, 1 indicates the wrong word, and v is lowercase. The nslog output statement is added to this method. After you add a breakpoint, the debugging always fails to output the statement pointed to in 2 in the xcode output window, so it is determined that the problem was caused. When the word was wrong, it was excited, when the command + R runs the program, the checkmark is displayed after you click the list row ).

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