UIActivityViewController iOS8 iPad Crash处理

概述在iPhone 上程序一切正常，但独在iPad iOS8的系统上,UIActivityViewController会崩溃，经查阅资料： On iPad the activity view controller will be displayed as a popover using the newUIPopoverPresentationController, it requires that y

在iPhone 上程序一切正常，但独在iPad iOS8的系统上,UIActivityVIEwController会崩溃，经查阅资料：

On iPad the activity vIEw controller will be displayed as a popover using the newUIPopoverPresentationController,it requires that you specify an anchor point for the presentation of the popover using one of the three following propertIEs:

barButtonItem sourceView sourceRect

In order to specify the anchor point you will need to obtain a reference to the UIActivityController's UIPopoverPresentationController and set one of the propertIEs as follows:

activityVIEwController.popoverPresentationController.sourceVIEw = parentVIEw;// 或者 activityVIEwController.popoverPresentationController.barbuttonItem = _actionbutton;// 或者SourceRect(不再举例)

资料地址:  http://stackoverflow.com/questions/25644054/uiactivityvIEwcontroller-crashing-on-ios8-ipads

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