I am trying to have a UITableView with different sized prototype cells.
I set the row height in my Table View to 243. The first and second cells' individual row height are set to 243 and 465, respectively. When I run my app, both cells appear at 243 height.
Here is what I have tried:
func tableView(tableView: UITableView, heightForRowAtIndexPath indexPath: NSIndexPath) -> CGFloat {
return 25
}
//does not change cell height
And:
override func tableView(tableView: UITableView, heightForRowAtIndexPath indexPath: NSIndexPath) -> CGFloat {
return 25
}
//Method does not override any method from its superclass
How can I configure my project to successfully resize the second cell?
The signature of the delegate method has changed in Swift 3. It needs to be:
func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
if indexPath.row == 1 {
return 465.0
} else {
return 243.0
}
}
With the wrong signature the table view doesn't know you've implemented the method so it never gets called.
Related
I have a tableview. I created it from storyboard it is a static tableview.(I am using it for profile settings).
But i have to change height of the first row of this table view dynamically and i don't want to change other cell heights. They should use their storyboard height values. How can i do this?
I tried following code:
override func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
if indexPath.row == 0 {
return 100
}
return (tableView.cellForRow(at: indexPath)?.bounds.height)!
}
But this is setting 100 for all cells.
My tableview:
Use the following override function..
override func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
if indexPath.row == 0 {
return 100
}
return UITableView.automaticDimension
}
But you have to make sure that every item in the static tableview have (top/bottom/left/right) constraints. it only works when it have all these constraints on it.
I have a static UITableView and one of my rows have a UITextView inside of it with autolayout pinned top to bottom left to right as 0.
I want the UITableView's contentView to resize depending on the content of the UITextView however I'm having difficulties working around this. I've scrapped the code I originally used as it wasn't working at all. Any solutions?
If the content of the textview is static.
Set SrollingEnabled to false in UITextView.
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return 1
}
func tableView(_ tableView: UITableView, estimatedHeightForRowAt indexPath: IndexPath) -> CGFloat {
return 200
}
func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
return UITableViewAutomaticDimension
}
If the content of the textview is dynamic.
Do the same thing as static and set the delegate for UITextView to self. Then in UITextview delegate.
func textViewDidChange(_ textView: UITextView) {
tableView.beginUpdates()
tableView.endUpdates()
}
This will definitely work.
I am writing an iOS app.
User types in movie search keywords and it fetches data from omdbapi.com and displays movies in tableview.
Issue is that that table view cell isn't getting displayed correctly.
Project URL:
project on onedrive
I tried using every autolayout method but, its not working.
override func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
return UITableViewAutomaticDimension;
}
You need to set estimate method for table height too. so place these method for height calculation and also check your cell constraint.
func tableView(_ tableView: UITableView, estimatedHeightForRowAt indexPath: IndexPath) -> CGFloat {
return UITableViewAutomaticDimension
}
func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
return UITableViewAutomaticDimension
}
Hope this will help you.
In my project, I have a static tableView with 3 sections. The cell in the second section holds a label that is filled dynamically and therefore has a dynamic height. The cell should adjust its height to the label's height. Here's what I tried, without success:
override func tableView(tableView: UITableView, heightForRowAtIndexPath indexPath: NSIndexPath) -> CGFloat {
if indexPath.section == 0 {
return 44
} else if indexPath.section == 1 {
return UITableViewAutomaticDimension
} else if indexPath.section == 2 {
return 80
} else {
return 50
}
}
The heights of all sections are set properly except the automatic dimensions. Any help?
set this line in viewDidLoad()
tableView.rowHeight = UITableViewAutomaticDimension
then write this table view method
func tableView(tableView: UITableView, estimatedHeightForRowAtIndexPath indexPath: NSIndexPath) -> CGFloat
{
return UITableViewAutomaticDimension
}
also make sure you have used the auto layout properly.
and you have set the number of lines for lable = 0
You also need to provide an estimated row height. You can do that by using the estimatedRowHeight property of your UITableView, or implementing the corresponding delegate method:
func tableView(tableView: UITableView, estimatedHeightForRowAtIndexPath indexPath: NSIndexPath) -> CGFloat {
return XXXXX // Provide your estimation here, or pass UITableViewAutomaticDimension (not the best for performances)
}
Reference: https://developer.apple.com/library/ios/documentation/UserExperience/Conceptual/AutolayoutPG/WorkingwithSelf-SizingTableViewCells.html
I have a table that loads data from a database but the problem is if the text being loaded is too long, it goes off the screen. I'm trying to find a way for the text to go onto the next line and have the cell resize automatically to fit this change. Does anyone know how this is done? The cell has three labels but one of them is allowed to be multi-lined.
EDIT:
I got it to work using auto constraints but how can I resize the table cell so that the actual items fit inside the cell and do not go over the cell boundary?
Set label number of "Lines" to ZERO. And set "Line Breaks" to "Word Wrap"
Adding these two methods along with above code fixed the problem with custom font
tamilRow.textLabel?.numberOfLines=0
tamilRow.textLabel?.lineBreakMode = NSLineBreakMode.ByWordWrapping
func tableView(tableView: UITableView, heightForRowAtIndexPath
indexPath: NSIndexPath) -> CGFloat {
return UITableViewAutomaticDimension
}
func tableView(tableView: UITableView, estimatedHeightForRowAtIndexPath indexPath: NSIndexPath) -> CGFloat {
return UITableViewAutomaticDimension
}
swift 5
let unselectedCellHeight: CGFloat = 130.0
func tableView(_: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
if selectedCellIndexPath == indexPath {
//return selectedCellHeight
return UITableView.automaticDimension
}
return unselectedCellHeight
}