正確定義約束UITableViewCell調整

我目前正面臨這個問題，我需要定義一個動態高度UITableViewCell。正確定義約束UITableViewCell調整

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紅色線對應於可調整大小的視圖（將垂直增長），藍色標籤具有3個約束：兩個用於上述各個即時紅色次（> = 8）中，一個多與170和低優先級到上海華。

綠色一個具有底部約束到上海華盈（5）

當我嘗試運行我的代碼，它給了我這樣的：

Unable to simultaneously satisfy constraints. 
Probably at least one of the constraints in the following list is one you don't want. Try this: (1) look at each constraint and try to figure out which you don't expect; (2) find the code that added the unwanted constraint or constraints and fix it. (Note: If you're seeing NSAutoresizingMaskLayoutConstraints that you don't understand, refer to the documentation for the UIView property translatesAutoresizingMaskIntoConstraints) 
(
"<NSLayoutConstraint:0x19d65bb0 V:[UIView:0x19d9a9a0(5)]>", 
"<NSLayoutConstraint:0x19d667d0 V:[UILabel:0x19de4180(19)]>", 
"<NSLayoutConstraint:0x19d5ba70 V:[UILabel:0x19d61870(19)]>", 
"<NSLayoutConstraint:0x19d36df0 V:[UILabel:0x19d36e80(19)]>", 
"<NSLayoutConstraint:0x19d35d30 V:[UIView:0x19d36130(0)]>", 
"<NSLayoutConstraint:0x19e7b310 V:|-(5)-[UILabel:0x19d6b520] (Names: '|':UITableViewCellContentView:0x19d97580)>", 
"<NSLayoutConstraint:0x17d0b060 V:[UILabel:0x19d6b520]-(5)-[UIView:0x19d9a9a0]>", 
"<NSLayoutConstraint:0x17d0a480 V:[UIView:0x19d9a9a0]-(8)-[UILabel:0x19de4180]>", 
"<NSLayoutConstraint:0x17d0c920 V:[UILabel:0x19de4180]-(8)-[UILabel:0x19d61870]>", 
"<NSLayoutConstraint:0x17d0a100 V:[UILabel:0x19d61870]-(8)-[UIView:0x19d839e0]>", 
"<NSLayoutConstraint:0x17d11ad0 V:[UIView:0x19d839e0]-(8)-[UILabel:0x19d36e80]>", 
"<NSLayoutConstraint:0x19e742a0 V:[UILabel:0x19d36e80]-(8)-[UILabel:0x19d36770]>", 
"<NSLayoutConstraint:0x19ed84a0 V:[UILabel:0x19d36770]-(8)-[UIView:0x19d36130]>", 
"<NSLayoutConstraint:0x19e76410 V:[UIView:0x19d36130]-(>=8)-[UILabel:0x19d35560]>", 
"<NSLayoutConstraint:0x19ed8af0 V:[UILabel:0x19d35560]-(8)-[UITextView:0x1832ba00]>", 
"<NSLayoutConstraint:0x19e7abf0 V:[UITextView:0x1832ba00]-(8)-[UILabel:0x19e7d890]>", 
"<NSLayoutConstraint:0x19e83d90 V:[UILabel:0x19e7d890]-(8)-[UITextView:0x18a95e00]>", 
"<NSLayoutConstraint:0x19e7b520 V:[UITextView:0x18a95e00]-(5)-| (Names: '|':UITableViewCellContentView:0x19d97580)>", 
"<NSAutoresizingMaskLayoutConstraint:0x19d46fc0 h=--& v=--& V:[UITableViewCellContentView:0x19d97580(0)]>" 
) 

Will attempt to recover by breaking constraint 
<NSLayoutConstraint:0x19d36df0 V:[UILabel:0x19d36e80(19)]> 

Break on objc_exception_throw to catch this in the debugger. 
The methods in the UIConstraintBasedLayoutDebugging category on UIView listed in <UIKit/UIView.h> may also be helpful.

所以，問題是：是什麼實現這個的正確方法？

來源

2013-10-27 Frederic Yesid Peña Sánchez

有U使用storyboard，如果是的話，簡單的去到Editor->Resolve Auto Layout Issues->Clear All Constraints In ........ Controller，然後Add Missing Constraints In ...... Controller

它將幫助您解決視圖

來源

2013-10-27 04:34:34 babygau

Thsnks之間打破contrainsts的問題，但問題是如何獲得[UIView的sizeToFit]或[UIView.frame]來反映視圖必須包含擴展視圖的最小尺寸 –

正確定義約束UITableViewCell調整

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