xcode11.3

问题 I installed xcode 11.3.1 on a virtual mac installed on vmware. I just created a Single View App but although I didn't change anything, I'm not able to run it because of this error : “This app could not be installed at this time” [this is the detail of the error] Can anyone help me? 回答1: Please try this Steps : Clean code Remove app from simulator/device if installed before try to install again this will help you 来源： https://stackoverflow.com/questions/59929227/xcode11-3-1-this-app-could-not

问题 I am adding a UIDatePicker as a table's footer. I have another extension of UITableView which implements traitCollectionDidChange and only does beginUpdates and endUpdates. I am getting the below crash on changing the orientation. *** Assertion failure in -[UIPickerTableView _Bug_Detected_In_Client_Of_UITableView_Invalid_Number_Of_Rows_In_Section:], /BuildRoot/Library/Caches/com.apple.xbs/Sources/UIKitCore_Sim/UIKit-3901.4.2/UITableView.m:2407 2020-05-12 13:35:28.729340+0530 MyApplication

问题 I used to use autolayout add new constraints to make simple constraints to superview / relative view like this (for loooong time): However, recently after updated to the latest xcode (11.3.3 or just 11.3/11C29), I have this weird issue: when I set the constant = 0, they always generate the constraints in an unwanted way like this: And it seems default value is somehow 20 and making my view look so wrong (0 compared to 20?) If I fix that by edit the constraint like this: Then it'll correct

问题 I used to use autolayout add new constraints to make simple constraints to superview / relative view like this (for loooong time): However, recently after updated to the latest xcode (11.3.3 or just 11.3/11C29), I have this weird issue: when I set the constant = 0, they always generate the constraints in an unwanted way like this: And it seems default value is somehow 20 and making my view look so wrong (0 compared to 20?) If I fix that by edit the constraint like this: Then it'll correct

问题 I used to use autolayout add new constraints to make simple constraints to superview / relative view like this (for loooong time): However, recently after updated to the latest xcode (11.3.3 or just 11.3/11C29), I have this weird issue: when I set the constant = 0, they always generate the constraints in an unwanted way like this: And it seems default value is somehow 20 and making my view look so wrong (0 compared to 20?) If I fix that by edit the constraint like this: Then it'll correct