iOS开发问题汇总及解决方案

出现问题：
!warning:Embedded binary's NSExtensionActivationRule is TRUEPREDICATE. Before you submit your containing app to the App Store, be sure to replace all uses of TRUEPREDICATE with specific predicate statements or NSExtensionActivationRule keys. If any extensions in your containing app include TRUEPREDICATE, the app will be rejected.

解决方案：
官方文档
添加NSExtensionActivationRule下键值：
分享时最大支持图像数量：NSExtensionActivationSupportsImageWithMaxCount
如果您的共享或iOS操作扩展需要访问网页，则必须包含具有非零值的NSExtensionActivationSupportsWebPageWithMaxCount

Example：

<key>NSExtensionAttributes</key>
<dict>
<key>NSExtensionActivationRule</key>
<dict>
<key>NSExtensionActivationSupportsImageWithMaxCount</key>
<integer>10</integer>
<key>NSExtensionActivationSupportsMovieWithMaxCount</key>
<integer>1</integer>
<key>NSExtensionActivationSupportsWebURLWithMaxCount</key>
<integer>1</integer>
</dict>
</dict>