I have a tableview and custom cell that loads from nib file, this cell has a height constraint (80.0 in my case) and when I launch the app Xcode says that there is a constraint error. I found that this problem occur only if a tableview has separators. Is there a way to solve this constraint error if I want to have both height constraint of the cell, and separators in tableview?
ViewController with tableview
class ViewController: UIViewController, UITableViewDataSource {
@IBOutlet weak var tableView: UITableView!
override func viewDidLoad() {
super.viewDidLoad()
tableView.register(UINib(nibName: "SampleTableViewCell", bundle: nil), forCellReuseIdentifier: "SampleTableViewCell")
}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return 1
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: "SampleTableViewCell", for: indexPath) as! SampleTableViewCell
return cell
}
}
Error I get
2019-10-13 18:08:04.345180+0300 tableViewProblem[5281:391449] [LayoutConstraints] 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.
(
"<NSLayoutConstraint:0x600000ca8320 UIView:0x7f988cf0e840.height == 80 (active)>",
"<NSLayoutConstraint:0x600000cb1400 V:[UIView:0x7f988cf0e840]-(0)-| (active, names: '|':UITableViewCellContentView:0x7f988cf0e420 )>",
"<NSLayoutConstraint:0x600000cb14a0 V:|-(0)-[UIView:0x7f988cf0e840] (active, names: '|':UITableViewCellContentView:0x7f988cf0e420 )>",
"<NSLayoutConstraint:0x600000cbcdc0 'UIView-Encapsulated-Layout-Height' UITableViewCellContentView:0x7f988cf0e420.height == 80.5 (active)>"
)
Will attempt to recover by breaking constraint
<NSLayoutConstraint:0x600000ca8320 UIView:0x7f988cf0e840.height == 80 (active)>
Make a symbolic breakpoint at UIViewAlertForUnsatisfiableConstraints to catch this in the debugger.
The methods in the UIConstraintBasedLayoutDebugging category on UIView listed in <UIKitCore/UIView.h> may also be helpful.
