VRPicker

Example

To run the example project, clone the repo, and run pod install from the Example directory first.

Installation

VRPicker is available through CocoaPods. To install it, simply add the following line to your Podfile:

pod "VRPicker"

Usage

The VRPicker view is instantiated with an instance of VRPickerConfiguration and a CGRect for frame:

let config = VRPickerConfiguration(items: ...)
let pickerView = VRPicker(with: config, frame: .zero)

The VRPickerDelegate protocol can be implemented to receive updates about which item is currently selected.

Configuration

VRPickerConfiguration, which is used when instantiating an instance of VRPicker, holds the various properties which can be configured.

All configuration properties have default values.

items: [VRPickerItem] (no default value)

The list of items to display in the picker. The items must conform to the protocol VRPickerItem, which extends CustomStringConvertible.

defaultSelectedIndex: Int (default value: 0)

Which index should be selected when the picker is initialized.

selectedFont: UIFont (default value: UIFont.boldSystemFont(ofSize: 20))

Which font to use for the currently selected item.

selectedFontColor: UIColor (default value: UIColor.white)

Which font color to use for the currently selected item.

nonSelectedFont: UIFont (default value: UIFont.systemFont(ofSize: 14))

Which font to use for the non-selected items.

nonSelectedFontColor: UIColor (default value: UIColor.black)

Which font color to use for the non-selected items.

selectionRadiusInPercent: Double (default value: 0.3)

The radius of the selection circle, in percent. (1.0 = 100 %)

selectionBackgroundColor: UIColor (default value: UIColor.green)

Which background color to use for the selection circle.

gradientColors: [UIColor] (default value: [UIColor.white.withAlphaComponent(0.8), UIColor.white.withAlphaComponent(0)])

An array of gradient colors to use for the left and right sides.

gradientWidthInPercent: Double (default value: 0.4)

The gradient width, in percent, of the entire picker width. (1.0 = 100 %)

gradientPosition: GradientPosition (default value: GradientPosition.above)

Which position to use for the gradients, above or below the items.

itemWidth: Int (default value: 100)

Which width, in points, to use for the items.

sliderVelocityCoefficient: Double (default value: 60)

Velocity coefficient for the scroll views.

Author

Viktor Rutberg, wishie@gmail.com

License

VRPicker is available under the MIT license. See the LICENSE file for more info.