You need to #import the header file of Page1OfViewController in the implementation file of the class you have that code in, judging by the code in the Application Delegate.
Also, I don't seem to see a (class) file with that name in your project tree so I'm not sure what you would import and from where.
And finally, if these errors and terms are unfamiliar to you, it's really time to take a step back, get a good book and read it. If you don't know even the most basic syntax you aren't going to get anywhere. You'll just lose time, and even worse, learn wrong.
Yah, do what Baja_yu said, go pick up a book and learn. Copying and pasting code is not going to get you anywhere. If you don't want to do that, go hire a developer.
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ya iam learning now , but in the same time i try to make an app by dapp , and the only problem i have is the navigation bar i cant remove it , one week i tried to remove it and i cant , so please give me help from your Experience
Yes but you don't even know the basics. If you learn the basics, you can do things like hide the nav bar with ease. Right now, your "learning" seems like a googling of things you want to do and copying and pasting code you find into your project. Rule of thumb: Do not put code you do not fully understand into your project, unless it's a helper class like Sharekit.
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i have error in xcode !!!
Linear Mode
