Xcode11 stepped pit Record

1, UITextView control inexplicable crash

 

 As shown above, Step over click compiler proceeds into the interior

 

 

In lldb console input commands  po $ arg1

 

 See the compiler to suggest is due to issue a UITextView.

Solution: The UITextView currently being replaced, due to fewer projects in the text, using UILabel replace.

 

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Origin www.cnblogs.com/shycie/p/11866049.html