1
I want to create a combobox to list all courses that my app offers but I did not find the corresponding component, alias found a similar and implemented Pickerview, but I would like to reproduce the standard behavior of a:
<select>
<option>Red</option>
<option>Blue</option>
<option>Yellow</option>
</select>And in mine it’s like this:
How could I reproduce the same behavior?
5
PickerView is the native component for this type of action in iOS
You can use some solutions like Collapse Tableview, or an adaptation of Uitextfield + Pickerview.
An interesting solution I found uses Uitextfield + Popover:
Example of use:
// Adicione um textfield no Storyboard e mude a classe dele para SRKComboBox.
@IBOutlet weak var myComboBox:SRKComboBox!
// Array qualquer
let arrayForComboBox = ["Sagar", "Sagar R. Kothari", "Kothari", "sag333ar", "sag333ar.github.io", "samurai", "jack", "cartoon", "network"]
//MARK:- UITextFieldDelegate
func textFieldShouldBeginEditing(textField: UITextField) -> Bool {
if let txt = textField as? SRKComboBox {
txt.delegateForComboBox = self
txt.showOptions()
return false
}
if let txt = textField as? SRKDateTimeBox {
txt.delegateForDateTimeBox = self
txt.showOptions()
return false
}
return true
}
//MARK:- SRKComboBoxDelegate
//Adicione os delegates
func comboBox(textField:SRKComboBox, didSelectRow row:Int) {
if textField == self.myComboBox {
self.myComboBox.text = self.arrayForComboBox[row]
}
}
func comboBoxNumberOfRows(textField:SRKComboBox) -> Int {
if textField == self.myComboBox {
return self.arrayForComboBox.count
} else {
return 0
}
}
func comboBox(textField:SRKComboBox, textForRow row:Int) -> String {
if textField == self.myComboBox {
return self.arrayForComboBox[row]
} else {
return ""
}
}
func comboBoxPresentingViewController(textField:SRKComboBox) -> UIViewController {
return self
}
func comboBoxRectFromWhereToPresent(textField:SRKComboBox) -> CGRect {
return textField.frame
}
func comboBoxFromBarButton(textField:SRKComboBox) -> UIBarButtonItem? {
return nil
}
func comboBoxTintColor(textField:SRKComboBox) -> UIColor {
return UIColor.blackColor()
}
func comboBoxToolbarColor(textField:SRKComboBox) -> UIColor {
return UIColor.whiteColor()
}
func comboBoxDidTappedCancel(textField:SRKComboBox) {
textField.text = ""
}
func comboBoxDidTappedDone(textField:SRKComboBox) {
print("Let's do some action here")
}
Expected result:
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