Question

我有以下法典。

[_iAdAdView setCurrentContentSizeIdentifier:ADBannerContentSizeIdentifierPortrait];

但该法典将“EXC_BAD_ACCESSS”投放到S.4.0和OS 4.1装置中。

The doc says that it is available from iOS 4.0 and later http://developer.apple.com/library/ios/#documentation/userexperience/Reference/ADBannerView_Ref/Reference/Reference.html

So why does the code crash for iOS 4.0 and iOS 4.1 and not for iOS 4.2 and later.

我如何围绕S-4.0和OS 4.1确定必要的环境。

EDIT: I found the solution in the source code AdBannerView.h, and noticed that "ADBannerContentSizeIdentifierPortrait" is availabled only in iOS 4.2

Answer 1

我在来文方法典《AdBannerView.h》中找到了解决办法,并指出,“ADnerContentSizeIdentifierPortrait”只在Rs 4.2中提供。

Answer 2

This is what the documentation says

The identifier placed in the currentContentSizeIdentifier property must be included in the set of identifiers stored in the requiredContentSizeIdentifiers property. This ensures that an advertisement displayed by the view can still be displayed after the view’s size changes. Setting a value not included in the requiredContentSizeIdentifiers property causes an exception to be thrown.

bold。这是可能引起例外的原因。

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