GLNPianoView
An iOS piano keyboard view for iPhone or iPad, written in Swift 5. Has an IBDesignable preview in interface builder with IBInspectable properties for:
- Number of keys
- Hide/show note names on white keys
- Black key height and width
- Hightlight keys, individual colour (play note)
- Custom key labels
All image elements are drawn using Core Graphics.
Installation
GLNPianoView is available through CocoaPods. To install it, simply add the following line to your Podfile:
pod 'GLNPianoView'Demo
The Example demo project demonstrates how to use and integrate the GLNPianoView into your project, using AVAudioEngine and an AVAudioUnitSampler as the sound source.
Delegate Methods
func pianoKeyDown(_ keyNumber: UInt8) {
// Called when the key corresponding to midi number keyNumber is pressed
}
func pianoKeyUp(_ keyNumber: UInt8) {
// Called when the key corresponding to midi number keyNumber is released
}Requirements
- Swift 5
Author
Gary Newby
License
Licensed under the MIT License.