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11 Contributors: 1 Saturday, December 31, 2016
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Controlling the Screenshot in the iOS Multitasking Switcher

Introduction

In the App Programming Guide for iOS:

Remove sensitive information from views before moving to the background.

When an app transitions to the background, the system takes a snapshot of the app’s main window, which it then presents briefly when transitioning your app back to the foreground.

Remarks

Adapted from actual StackOverflow Question Controlling the Screenshot in the iOS7 Multitasking Switcher and answer Obj-c Answer

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