Doxygen tutorials: basic structure
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doc/tutorials/ios/hello/hello.markdown
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OpenCV iOS Hello {#tutorial_hello}
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================
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Goal
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----
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In this tutorial we will learn how to:
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- Link OpenCV framework with Xcode
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- How to write simple Hello World application using OpenCV and Xcode.
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*Linking OpenCV iOS*
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--------------------
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Follow this step by step guide to link OpenCV to iOS.
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1. Create a new XCode project.
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2. Now we need to link *opencv2.framework* with Xcode. Select the project Navigator in the left
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hand panel and click on project name.
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3. Under the TARGETS click on Build Phases. Expand Link Binary With Libraries option.
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4. Click on Add others and go to directory where *opencv2.framework* is located and click open
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5. Now you can start writing your application.
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*Hello OpenCV iOS Application*
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------------------------------
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Now we will learn how to write a simple Hello World Application in Xcode using OpenCV.
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- Link your project with OpenCV as shown in previous section.
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- Open the file named *NameOfProject-Prefix.pch* ( replace NameOfProject with name of your
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project) and add the following lines of code.
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@code{.cpp}
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#ifdef __cplusplus
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#import <opencv2/opencv.hpp>
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#endif
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@endcode
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- Add the following lines of code to viewDidLoad method in ViewController.m.
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@code{.cpp}
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UIAlertView * alert = [[UIAlertView alloc] initWithTitle:@"Hello!" message:@"Welcome to OpenCV" delegate:self cancelButtonTitle:@"Continue" otherButtonTitles:nil];
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[alert show];
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@endcode
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- You are good to run the project.
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*Output*
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--------
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