UI Preparation of Universal Apps

To me, one of the most un-willing task for making universal iOS apps is to prepare the UI of iPad. Because I have to re-do everything that I’ve done for the iPhone UI, such as putting UI elements, setting UI constrains, connecting IBOutlets, setting IBActions…etc. I just boringly repeating my self…

Xcode didn’t provide any function to “migrate” an iPhone storyboard to iPad. However I saw a thread in Stack Overflow discussing how to do it manually. After experimenting myself, here summarised what I’ve done:

  1. Duplicate the iPhone storyboard and rename it Main_iPad.storyboard

  2. Right click and choose “Open As” -> “Source Code”

  3. Search for targetRuntime=”iOS.CocoaTouch”and change it to targetRuntime=”iOS.CocoaTouch.iPad”

  4. Replace <simulatedScreenMetrics key=”destination” type=”retina4″/> to <simulatedScreenMetrics key=”destination”/>

  5. Save everything and restart Xcode.

  6. In your target’s General tab, choose your newly edited storyboard in the iPad’s “Main Interface” setting.

Though we still need to adjust the size of the UI elements to fit into the iPad screen size, it saves us tremendous amount of time as all the outlets / connections / UI elements / constrains are there already!!

UI Preparation of Universal Apps

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