Swift

https://www.apple.com/my/swift/

Hide keyboard when tap anywhere on UITableView

let tap = UITapGestureRecognizer(target: self, action: Selector("tableViewTapped:"))
// if this doesn't set to `false`, the table view cell won't takes any effect on tap
tap.cancelsTouchesInView = false
self.tableView.addGestureRecognizer(tap)

// ...
func tableViewTapped(sender: UITapGestureRecognizer) {
    self.view.endEditing(true) // hide keyboard
}

Reference:

• Dismiss keyboard by touching background of UITableView

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UITableViewCell dynamic height for auto-layout subviews

self.tableView.rowHeight = UITableViewAutomaticDimension
self.tableView.estimatedRowHeight = 44.0

Reference:

• UITableView Tutorial: Dynamic Table View Cell Height