ZHWaveform

ZHWaveform is a library written in Swift, you can easily draw an audio track on iOS, you can customize the slider on both sides, adjust the draw ratio, easy to use.

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Requirements

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• iOS 8.0+

• Swift 4.0

Cocoapods

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Add the following line to your Podfile:

pod 'ZHWaveform', '~> 1.0.2'

Then, run the following command:

$ pod install

Deserialization

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Import

import ZHWaveform

Create

 lazy var waveform: ZHWaveformView = {
    let bundle = Bundle(for: type(of: self)) // music
    let waveform = ZHWaveformView(
        frame: CGRect(x: 0, y: 200, width: view.frame.width, height: 44),
        fileURL: bundle.url(forResource: "Apart", withExtension: "mp3")!
    )
    waveform.croppedDelegate = self
    return waveform
}()

Setting

wavesColor：wavesColor: UIColor

Cut off the beginning part color：beginningPartColor: UIColor

Cut out the end part color：endPartColor: UIColor

Track Scale：trackScale: CGFloat (0 ~ 1)

Delegate

Create start crop，Valid value is the maxX value of the view：

func waveformView(startCropped waveformView: ZHWaveformView) -> UIView?

Create end crop, Valid value is the minX value of the view:

func waveformView(endCropped waveformView: ZHWaveformView) -> UIView?

Start part of the crop current value:

func waveformView(startCropped: UIView, progress rate: CGFloat)

End part of the crop current value:

func waveformView(endCropped: UIView, progress rate: CGFloat)