将按钮添加到 UIPickerView - Swift 1.2

问题描述

我想在 UIPickerView 中添加两个 UIButtons(在它上面).请查看此图中的 Cancel 和 Done 按钮:

I would like to add two UIButtons in the UIPickerView (on top of it). Please take a look at the Cancel and Done buttons in this image:

我该怎么做?

推荐答案

我已经解决了，用 Swift 回答:

I have solved this, answer in Swift:

var pickerView = UIPickerView(frame: CGRectMake(0, 200, view.frame.width, 300))
pickerView.backgroundColor = .whiteColor()
pickerView.showsSelectionIndicator = true

var toolBar = UIToolbar()
toolBar.barStyle = UIBarStyle.Default
toolBar.translucent = true
toolBar.tintColor = UIColor(red: 76/255, green: 217/255, blue: 100/255, alpha: 1)
toolBar.sizeToFit()


let doneButton = UIBarButtonItem(title: "Done", style: UIBarButtonItemStyle.Bordered, target: self, action: "donePicker")
let spaceButton = UIBarButtonItem(barButtonSystemItem: UIBarButtonSystemItem.FlexibleSpace, target: nil, action: nil)
let cancelButton = UIBarButtonItem(title: "Cancel", style: UIBarButtonItemStyle.Bordered, target: self, action: "canclePicker")

toolBar.setItems([cancelButton, spaceButton, doneButton], animated: false)
toolBar.userInteractionEnabled = true

textField.inputView = pickerView
textField.inputAccessoryView = toolBar

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