GPLevelMeterView

GPLevelMeterView is LevelMeterView for iOS

Environment

• Swift 5
• Xcode 12
• iOS 14

Usage

Copy GPLevelMeterView.swift in Xcode project.

• use in code

let meter = GPLevelMeterView(frame: CGRect(x: 0, y: 0, width: 256, height: 32),
                                     orientation: .landscape,
                                     scalePosition: .top,
                                     zeroCenter: false)
self.view.addSubview(meter)

• use in Interface Builder

Add View and change its Class to GPLevelMeterView.

Properties

• orientation portrait or landscape.

Default value is landscape.

• zeroCenter Boolean value of meter's 0 position is center or not.

Default value is false.

• meterType

fill or slice.

Default value is fill.

• meterColor

[UIColor]

Default array contain 10 UIColor value. [.red, .red, .red, .yellow, .yellow, .yellow, .yellow, .green, .green, .green]

• scalePosition

none, left, top, right, bottom.

Default value is none.

• scaleResolution

The count of scale grid.

Default value is 10.

• scaleHeight

The size of scale's short edge.

Default value is 8.

• barHeight

The size of level meter's short edge.

Default value is 24.

• value

The value of levelMeter which is between -1.0 and 1.0.

Sample

• YouTube https://youtu.be/XYRHeyBALnQ