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Half Gauge

From syxUI — written for both platforms, not translated between them.

A half-circle gauge - credit-score style.

Charts · SwiftUI · iOS 17

  • charts
  • swiftui

The actual source

HalfGaugeChart.swift
// Half Gauge · syxUI · https://syxui.dev/components/chart2-half-gauge
// Free in any project. Keep this line and credit syxUI where a person can read it.

import SwiftUI

let chBlue = Color(red: 0.0, green: 0.47, blue: 1.0)
let chGreen = Color(red: 0.16, green: 0.66, blue: 0.40)

extension View {
    func formaCard(_ pad: CGFloat = 18) -> some View {
        self.padding(pad)
            .background(Color(.systemBackground), in: RoundedRectangle(cornerRadius: 20, style: .continuous))
            .overlay(RoundedRectangle(cornerRadius: 20, style: .continuous).stroke(Color.primary.opacity(0.06), lineWidth: 1))
            .shadow(color: .black.opacity(0.05), radius: 14, x: 0, y: 6)
    }
}

// Half-circle gauge (speedometer)
struct HalfGaugeChart: View {
    let value = 0.72
    var body: some View {
        VStack(spacing: 6) {
            Text("Credit score").font(.system(size: 15, weight: .semibold)).frame(maxWidth: .infinity, alignment: .leading)
            ZStack {
                Circle().trim(from: 0.5, to: 1.0)
                    .stroke(Color.primary.opacity(0.08), style: StrokeStyle(lineWidth: 14, lineCap: .round))
                    .frame(width: 168, height: 168)
                Circle().trim(from: 0.5, to: 0.5 + 0.5 * value)
                    .stroke(LinearGradient(colors: [chGreen, chBlue], startPoint: .leading, endPoint: .trailing), style: StrokeStyle(lineWidth: 14, lineCap: .round))
                    .frame(width: 168, height: 168)
                VStack(spacing: 0) {
                    Text("724").font(.system(size: 32, weight: .bold))
                    Text("Good").font(.system(size: 13, weight: .medium)).foregroundStyle(chGreen)
                }.offset(y: -6)
            }
            .frame(width: 168, height: 92, alignment: .top).clipped()
        }.formaCard().frame(width: 300)
    }
}
iOS 17 · No dependencies

Dependencies

SwiftUI
No external dependencies

Requires iOS 17