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The purpose of prototyping in Xcode is to be able to create a super high fidelity flow using the exact same software that builds i OS Apps. You can embed beautiful interactions, transitions, animations and sounds to produce a true native experience.In this tutorial, I will focus on the Storyboard feature, a powerful tool in Xcode that allows you to build an App without a single line of code.To do that, select i Phone 6.1 Simulator and click on the Run button in the far top left.

Xcode connects screens by a link they call “segue”.

To create a segue, hold the “Control” key on your keyboard with your mouse pointer on the first screen and drag and drop on the second screen. This will create a transition that slides the second screen from the bottom.

To add them, create a “Group”, then “Add Files To…”. Make sure you have “Copy items into destination group’s folder” and “Add to targets” enabled. Resize the button to fit the entire dimension of the screen.

Now that we have the basic setup done and the images added, we can finally start Storyboarding. When you select the button, you should see properties appearing in the Attributes inspector.

From that button, you can create a segue to the second screen.

Make sure that you have the button selected when you do the hold Ctrl drag and drop trick.A header bar will appear on every screen connected.To remove that bar, select the Navigation Controller, then set the Top Bar property to None.You can customize the transition by clicking on the segue (circle symbol between the two screens) and set the Transition to Cover Vertical, Flip Horizontal, Cross Dissolve or Partial Curl.Or, you can uncheck “Animate” if you don’t want any animation.The Push segue doesn’t work without a Navigation Controller.To create one, select the first screen’s View Controller and go to Editor Navigation Controller.Go to Storyboard and drag and drop a Button from the Object library. The properties we’re interested in are Type, Title and Image.Set Type to Custom, Title to nothing and Image to your first screen (type the name of your image and it will autocomplete). To create a second screen, simply drag and drop a View Controller, then repeat the previous step.Xcode allows you to preview your App on your i Phone.Unfortunately, it’s a complicated process and requires an i OS developer account.

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