DropdownPickerView

Simple to use and Lightweight Dropdown Picker Menu.

Installation

Download the DropdownPickerView.swift file and copy it to your project.

Usage

1. Drag a UIView and make it subclass of DropdownPickerView.
2. Add constraints expect for Height.
3. Go to Size Inspector and change the Intrinsic Size from Default to Placeholder.
4. Make a outlet of PickerView.
5. Set Datasource for PickerView.

    @IBOutlet var pickerView: DropdownPickerView!
    override func viewDidLoad() {
        super.viewDidLoad()
        pickerView.dataSource = ["option 1","option 2","option 2","option 4","option 5"]
    }

6. Confirm to DropdownPickerViewDelegate.

    func pickerView(pickerView: DropdownPickerView, didSelectAt index: NSInteger, withValue value: String) {
        //Called when user select an option from dropdown.
    }
    
    func pickerView(didOpen pickerView: DropdownPickerView) {
        //Called when user tries to open the dropdown picker. 
    }
    
    func pickerView(didClose pickerView: DropdownPickerView) {
        //Called when user tries to close the dropdwon picker.
    }