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suiss/ui · Chart

Bar Chart Hourly

Twenty-four thin bars of screen time per hour, with a dashed line marking the hourly average.

Bar Chart Hourly is an open-source chart from suiss/ui for React, React Native, SwiftUI and Jetpack Compose. The @esuiss/ui CLI copies its source into your project, so you own the code.

components/charts/bar-chart-hourly.tsx
"use client"

import {
  Bar,
  BarChart,
  CartesianGrid,
  ReferenceLine,
  XAxis,
  YAxis,
} from "recharts"

import { Card, CardContent, CardHeader } from "@/components/ui/card"
import {
  type ChartConfig,
  ChartContainer,
  ChartTooltip,

A screen-time card with 24 thin hourly bars, a total in the header and a dashed line at the hourly average. Use it for any day-at-a-glance metric with many small periods.

Installation

CLI

$ pnpm dlx shadcn@latest add @esuiss/bar-chart-hourly

Works in any project with a components.json. See Installation for the one-line registry setup. Or use the suiss/ui CLI:

$ pnpm dlx @esuiss/ui@latest add charts bar-chart-hourly

Manual

  1. Install the dependencies:
$ pnpm add recharts

  1. Add the pieces it builds on: Card, Chart.

  2. Copy the source into components/charts/bar-chart-hourly.tsx:

components/charts/bar-chart-hourly.tsx
"use client"

import {
  Bar,
  BarChart,
  CartesianGrid,
  ReferenceLine,
  XAxis,
  YAxis,
} from "recharts"

import { Card, CardContent, CardHeader } from "@/components/ui/card"
import {
  type ChartConfig,
  ChartContainer,
  ChartTooltip,
  1. Update the import paths to match your project.

Usage

import { BarChartHourly } from "@/components/charts/bar-chart-hourly"
<BarChartHourly />

Replace the 24 values in chartData with your own per-hour numbers; the total and the average line are computed from them. Change the axis ticks to label different hours, and update the minute unit in the axis, tooltip and header if you measure something else.

Notes

With 24 narrow bars, the tooltip is the most reliable way to read a single hour. Focus the chart and use the arrow keys to step through the hours.

iOS
Bar (hourly) on iOS in light modeBar (hourly) on iOS in dark mode
uniwind/components/charts/bar-chart-hourly.tsx
import { Card, CardContent, CardHeader } from "@/components/ui/card"
import {
  Bar,
  BarChart,
  CartesianGrid,
  type ChartConfig,
  ChartContainer,
  ChartTooltip,
  ChartTooltipContent,
  ReferenceLine,
  XAxis,
  YAxis,
} from "@/components/ui/chart"
import { Text } from "@/components/ui/text"

const chartData = [
swift/Charts/BarChartHourly.swift
import Charts
import SwiftUI

private let minutes: [Double] = [
  4, 0, 0, 0, 0, 0, 6, 18, 27, 22, 19, 21, 30, 26, 23, 17, 22, 26, 31, 39, 42, 47, 35, 18,
]

private let hours = minutes.indices.map { "\($0)" }

private let chartConfig: ChartConfig = [
  "minutes": .init("Screen time", color: EsuissColor.chart1),
]

private let total = Int(minutes.reduce(0, +))
private let average = minutes.reduce(0, +) / Double(minutes.count)
kotlin/charts/BarChartHourly.kt
package com.esuiss.ui.charts

import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.text.BasicText
import androidx.compose.runtime.Composable
import androidx.compose.ui.Modifier
import androidx.compose.ui.text.font.FontWeight
import androidx.compose.ui.unit.dp
import com.esuiss.ui.components.BarChart
import com.esuiss.ui.components.Card
import com.esuiss.ui.components.CardContent
import com.esuiss.ui.components.CardSize
import com.esuiss.ui.components.CardVariant

Thin bars show minutes for each hour of the day, with ticks every six hours and a value axis in minutes on the right. A ReferenceLine marks the hourly average, and the header shows the day's total in hours and minutes. The tooltip formats the hour and the minutes.

Installation

$ pnpm dlx shadcn@latest add @esuiss-rn/bar-chart-hourly

See Installation for the components.json setup. Or use the suiss/ui CLI:

$ pnpm dlx @esuiss/ui@latest add bar-chart-hourly
$ pnpm dlx @esuiss/ui@latest add bar-chart-hourly --platform swift
$ pnpm dlx @esuiss/ui@latest add bar-chart-hourly --platform kotlin

The CLI also adds what it builds on: Card, Chart, Text.

Manual

  1. Add the pieces it builds on: Card, Chart, Text.

  2. Copy the source into components/charts/bar-chart-hourly.tsx:

uniwind/components/charts/bar-chart-hourly.tsx
import { Card, CardContent, CardHeader } from "@/components/ui/card"
import {
  Bar,
  BarChart,
  CartesianGrid,
  type ChartConfig,
  ChartContainer,
  ChartTooltip,
  ChartTooltipContent,
  ReferenceLine,
  XAxis,
  YAxis,
} from "@/components/ui/chart"
import { Text } from "@/components/ui/text"

const chartData = [
  1. Update the import paths to match your project.

  1. Add the pieces it builds on: Card, Chart, Text.

  2. Copy the source into components/charts/bar-chart-hourly.tsx:

nativewind/components/charts/bar-chart-hourly.tsx
import { Card, CardContent, CardHeader } from "@/components/ui/card"
import {
  Bar,
  BarChart,
  CartesianGrid,
  type ChartConfig,
  ChartContainer,
  ChartTooltip,
  ChartTooltipContent,
  ReferenceLine,
  XAxis,
  YAxis,
} from "@/components/ui/chart"
import { Text } from "@/components/ui/text"

const chartData = [
  1. Update the import paths to match your project.

  1. Add the pieces it builds on: Card, Chart, Text.

  2. Copy the source into components/charts/bar-chart-hourly.tsx:

stylesheet/components/charts/bar-chart-hourly.tsx
import { StyleSheet } from "react-native"
import { Card, CardContent, CardHeader } from "@/components/ui/card"
import {
  Bar,
  BarChart,
  CartesianGrid,
  type ChartConfig,
  ChartContainer,
  ChartTooltip,
  ChartTooltipContent,
  ReferenceLine,
  XAxis,
  YAxis,
} from "@/components/ui/chart"
import { Text } from "@/components/ui/text"
import { fontSize, useTheme } from "@/components/ui/theme"
  1. Update the import paths to match your project.

  1. Target iOS 17 or later.

  2. Copy the theme files every view uses:

swift/Theme/Theme.swift
import SwiftUI
import UIKit

struct RGBA: Sendable {
  let red: CGFloat
  let green: CGFloat
  let blue: CGFloat
  let alpha: CGFloat

  init(_ hex: UInt32, _ alpha: CGFloat = 1) {
    red = CGFloat((hex >> 16) & 0xFF) / 255
    green = CGFloat((hex >> 8) & 0xFF) / 255
    blue = CGFloat(hex & 0xFF) / 255
    self.alpha = alpha
  }
swift/Theme/Tokens.swift
import SwiftUI

public enum EsuissColor {
  public static let background = Color.adaptive(light: .init(0xFFFFFF), dark: .init(0x000000))
  public static let foreground = Color.adaptive(light: .init(0x1D1D1F), dark: .init(0xF5F5F7))
  public static let card = Color.adaptive(light: .init(0xFFFFFF), dark: .init(0x1D1D1F))
  public static let cardForeground = Color.adaptive(light: .init(0x1D1D1F), dark: .init(0xF5F5F7))
  public static let popover = Color.adaptive(light: .init(0xFFFFFF), dark: .init(0x1D1D1F))
  public static let popoverForeground = Color.adaptive(light: .init(0x1D1D1F), dark: .init(0xF5F5F7))
  public static let primary = Color.adaptive(light: .init(0x0071E3), dark: .init(0x2997FF))
  public static let primaryForeground = Color.adaptive(light: .init(0xFFFFFF), dark: .init(0xFFFFFF))
  public static let secondary = Color.adaptive(light: .init(0x000000, 0.04), dark: .init(0xFFFFFF, 0.1))
  public static let secondaryForeground = Color.adaptive(light: .init(0x1D1D1F), dark: .init(0xF5F5F7))
  public static let muted = Color.adaptive(light: .init(0xF5F5F7), dark: .init(0x161617))
  public static let mutedForeground = Color.adaptive(light: .init(0x6E6E73), dark: .init(0xA1A1A6))
  public static let accent = Color.adaptive(light: .init(0x000000, 0.06), dark: .init(0xFFFFFF, 0.1))
  1. Copy the source and every file it uses:
swift/Charts/BarChartHourly.swift
import Charts
import SwiftUI

private let minutes: [Double] = [
  4, 0, 0, 0, 0, 0, 6, 18, 27, 22, 19, 21, 30, 26, 23, 17, 22, 26, 31, 39, 42, 47, 35, 18,
]

private let hours = minutes.indices.map { "\($0)" }

private let chartConfig: ChartConfig = [
  "minutes": .init("Screen time", color: EsuissColor.chart1),
]

private let total = Int(minutes.reduce(0, +))
private let average = minutes.reduce(0, +) / Double(minutes.count)
swift/Components/Card.swift
import SwiftUI

public struct Card<Content: View>: View {
  public enum Variant: CaseIterable, Sendable {
    case `default`, filled
  }

  public enum Size: CaseIterable, Sendable {
    case `default`, sm

    var spacing: CGFloat {
      switch self {
      case .default: 24
      case .sm: 16
      }
    }
swift/Components/Chart.swift
import Charts
import SwiftUI

public struct ChartConfig: ExpressibleByDictionaryLiteral, Sendable {
  public struct Item: Sendable {
    public var label: String?
    public var color: Color?
    public var icon: Image?

    public init(_ label: String? = nil, color: Color? = nil, icon: Image? = nil) {
      self.label = label
      self.color = color
      self.icon = icon
    }
  }
swift/Components/Haptics.swift
import SwiftUI

extension EnvironmentValues {
  @Entry public var hapticsEnabled = true
}

extension View {
  public func haptics(_ enabled: Bool) -> some View {
    environment(\.hapticsEnabled, enabled)
  }

  func hapticFeedback<Trigger: Equatable>(_ feedback: SensoryFeedback, trigger: Trigger) -> some View {
    modifier(HapticFeedbackModifier(feedback: feedback, trigger: trigger) { _, _ in true })
  }

  func hapticFeedback<Trigger: Equatable>(
swift/Components/Item.swift
import SwiftUI

public enum ItemVariant: CaseIterable, Sendable {
  case `default`, outline, muted
}

public enum ItemSize: CaseIterable, Sendable {
  case `default`, sm, xs

  var horizontalPadding: CGFloat {
    switch self {
    case .default: 16
    case .sm: 14
    case .xs: 12
    }
  }
swift/Components/Separator.swift
import SwiftUI

public struct Separator: View {
  let orientation: Axis

  public init(_ orientation: Axis = .horizontal) {
    self.orientation = orientation
  }

  public var body: some View {
    Rectangle()
      .fill(EsuissColor.border)
      .frame(width: orientation == .vertical ? 1 : nil, height: orientation == .horizontal ? 1 : nil)
      .frame(maxWidth: orientation == .horizontal ? .infinity : nil, maxHeight: orientation == .vertical ? .infinity : nil)
      .accessibilityHidden(true)
  }
swift/Components/TextVariant.swift
import SwiftUI

public enum TextVariant: CaseIterable, Sendable {
  case `default`, h1, h2, h3, h4, p, blockquote, code, lead, large, small, muted

  var style: TextStyle {
    switch self {
    case .h1: .xl3
    case .h2: .xl2
    case .h3: .xl
    case .h4, .lead, .large: .lg
    case .code, .small, .muted: .sm
    default: .base
    }
  }
  1. Add the files to your app target.
  1. Set minSdk to 24 or higher and add the dependencies:
build.gradle.kts
implementation(platform("androidx.compose:compose-bom:2026.09.00"))
implementation("androidx.compose.foundation:foundation")
implementation("androidx.compose.ui:ui")
  1. Copy the theme files every view uses:
kotlin/theme/Theme.kt
package com.esuiss.ui.theme

import androidx.compose.foundation.isSystemInDarkTheme
import androidx.compose.runtime.Composable
import androidx.compose.runtime.CompositionLocalProvider
import androidx.compose.runtime.Immutable
import androidx.compose.runtime.staticCompositionLocalOf
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.dropShadow
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.graphics.Shape
import androidx.compose.ui.graphics.shadow.Shadow as DropShadow
import androidx.compose.ui.text.TextStyle
import androidx.compose.ui.text.style.LineHeightStyle
import androidx.compose.ui.unit.Dp
import androidx.compose.ui.unit.DpOffset
kotlin/theme/Tokens.kt
package com.esuiss.ui.theme

import androidx.compose.runtime.Immutable
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.unit.dp

@Immutable
data class Colors(
    val background: Color,
    val foreground: Color,
    val card: Color,
    val cardForeground: Color,
    val popover: Color,
    val popoverForeground: Color,
    val primary: Color,
    val primaryForeground: Color,
  1. Copy the source and every file it uses:
kotlin/charts/BarChartHourly.kt
package com.esuiss.ui.charts

import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.text.BasicText
import androidx.compose.runtime.Composable
import androidx.compose.ui.Modifier
import androidx.compose.ui.text.font.FontWeight
import androidx.compose.ui.unit.dp
import com.esuiss.ui.components.BarChart
import com.esuiss.ui.components.Card
import com.esuiss.ui.components.CardContent
import com.esuiss.ui.components.CardSize
import com.esuiss.ui.components.CardVariant
kotlin/components/Card.kt
package com.esuiss.ui.components

import androidx.compose.foundation.background
import androidx.compose.foundation.border
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.ColumnScope
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.RowScope
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.foundation.text.BasicText
import androidx.compose.runtime.Composable
import androidx.compose.runtime.CompositionLocalProvider
import androidx.compose.runtime.compositionLocalOf
kotlin/components/Chart.kt
package com.esuiss.ui.components

import androidx.compose.animation.core.Animatable
import androidx.compose.animation.core.CubicBezierEasing
import androidx.compose.animation.core.Easing
import androidx.compose.animation.core.LinearEasing
import androidx.compose.animation.core.tween
import androidx.compose.foundation.Canvas
import androidx.compose.foundation.background
import androidx.compose.foundation.border
import androidx.compose.foundation.gestures.detectHorizontalDragGestures
import androidx.compose.foundation.gestures.detectTapGestures
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.BoxScope
import androidx.compose.foundation.layout.BoxWithConstraints
kotlin/components/Content.kt
package com.esuiss.ui.components

import androidx.compose.runtime.compositionLocalOf
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.text.TextStyle
import androidx.compose.ui.unit.Dp
import androidx.compose.ui.unit.dp

val LocalContentStyle = compositionLocalOf { TextStyle.Default }

val LocalContentColor = compositionLocalOf { Color.Unspecified }

val LocalIconSize = compositionLocalOf { 20.dp }
kotlin/components/FormSupport.kt
package com.esuiss.ui.components

import android.provider.Settings
import androidx.compose.animation.core.CubicBezierEasing
import androidx.compose.foundation.background
import androidx.compose.foundation.border
import androidx.compose.foundation.gestures.Orientation
import androidx.compose.foundation.text.selection.TextSelectionColors
import androidx.compose.runtime.Composable
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.alpha
import androidx.compose.ui.draw.clip
import androidx.compose.ui.draw.drawWithContent
import androidx.compose.ui.geometry.Offset
kotlin/components/Haptics.kt
package com.esuiss.ui.components

import androidx.compose.runtime.Composable
import androidx.compose.runtime.CompositionLocalProvider
import androidx.compose.runtime.remember
import androidx.compose.runtime.staticCompositionLocalOf
import androidx.compose.ui.hapticfeedback.HapticFeedback
import androidx.compose.ui.hapticfeedback.HapticFeedbackType
import androidx.compose.ui.platform.LocalHapticFeedback

val LocalHapticsEnabled = staticCompositionLocalOf { true }

@Composable
fun ProvideHaptics(enabled: Boolean, content: @Composable () -> Unit) {
    CompositionLocalProvider(LocalHapticsEnabled provides enabled, content = content)
}
kotlin/components/Icon.kt
package com.esuiss.ui.components

import androidx.compose.foundation.Image
import androidx.compose.foundation.layout.size
import androidx.compose.runtime.Composable
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.graphics.ColorFilter
import androidx.compose.ui.graphics.takeOrElse
import androidx.compose.ui.graphics.vector.ImageVector
import androidx.compose.ui.unit.Dp
import com.esuiss.ui.theme.EsuissTheme

@Composable
fun Icon(
    imageVector: ImageVector,
  1. Update the com.esuiss.ui package names to match your project.

Usage

import { BarChartHourly } from "@/components/charts/bar-chart-hourly"
<BarChartHourly />

Replace the 24 values in chartData with your hourly minutes; the total and average are calculated from it. The component takes no props.

NextBar Chart InteractivePreviousBar Chart Horizontal

On this page

  1. 01Installation
    • CLI
    • Manual
  2. 02Usage
  3. 03Notes
  4. 04Installation
    • Manual
  5. 05Usage