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Vignesh Ramesh
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Merge pull request #1 from Shalini-Ashokan/master
How to design a circular timer using the .NET MAUI Radial Gauge (SfRadialGauge)
2 parents d8c6fe2 + 242b941 commit fdecc85

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‎CircularTimer/App.xaml‎

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<?xml version = "1.0" encoding = "UTF-8" ?>
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<Application xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
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xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
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xmlns:local="clr-namespace:CircularTimer"
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x:Class="CircularTimer.App">
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<Application.Resources>
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<ResourceDictionary>
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<ResourceDictionary.MergedDictionaries>
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<ResourceDictionary Source="Resources/Styles/Colors.xaml" />
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<ResourceDictionary Source="Resources/Styles/Styles.xaml" />
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</ResourceDictionary.MergedDictionaries>
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</ResourceDictionary>
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</Application.Resources>
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</Application>

‎CircularTimer/App.xaml.cs‎

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namespace CircularTimer;
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public partial class App : Application
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{
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public App()
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{
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InitializeComponent();
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MainPage = new AppShell();
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}
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}

‎CircularTimer/AppShell.xaml‎

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<?xml version="1.0" encoding="UTF-8" ?>
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<Shell
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x:Class="CircularTimer.AppShell"
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xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
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xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
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xmlns:local="clr-namespace:CircularTimer"
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Shell.FlyoutBehavior="Disabled">
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<ShellContent
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Title="Home"
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ContentTemplate="{DataTemplate local:MainPage}"
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Route="MainPage" />
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</Shell>

‎CircularTimer/AppShell.xaml.cs‎

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namespace CircularTimer;
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public partial class AppShell : Shell
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{
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public AppShell()
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{
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InitializeComponent();
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}
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}

‎CircularTimer/CircularTimer.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFrameworks>net6.0-android;net6.0-ios;net6.0-maccatalyst</TargetFrameworks>
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<TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);net6.0-windows10.0.19041.0</TargetFrameworks>
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<!-- Uncomment to also build the tizen app. You will need to install tizen by following this: https://github.com/Samsung/Tizen.NET -->
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<!-- <TargetFrameworks>$(TargetFrameworks);net6.0-tizen</TargetFrameworks> -->
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<OutputType>Exe</OutputType>
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<RootNamespace>CircularTimer</RootNamespace>
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<UseMaui>true</UseMaui>
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<SingleProject>true</SingleProject>
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<ImplicitUsings>enable</ImplicitUsings>
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<!-- Display name -->
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<ApplicationTitle>CircularTimer</ApplicationTitle>
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<!-- App Identifier -->
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<ApplicationId>com.companyname.circulartiimer</ApplicationId>
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<ApplicationIdGuid>E2F0A828-FBB6-46F9-B8FE-6D7446C454FB</ApplicationIdGuid>
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<!-- Versions -->
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<ApplicationDisplayVersion>1.0</ApplicationDisplayVersion>
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<ApplicationVersion>1</ApplicationVersion>
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<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">14.2</SupportedOSPlatformVersion>
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<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">14.0</SupportedOSPlatformVersion>
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<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">21.0</SupportedOSPlatformVersion>
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<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</SupportedOSPlatformVersion>
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<TargetPlatformMinVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</TargetPlatformMinVersion>
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<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'tizen'">6.5</SupportedOSPlatformVersion>
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</PropertyGroup>
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<ItemGroup>
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<!-- App Icon -->
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<MauiIcon Include="Resources\AppIcon\appicon.svg" ForegroundFile="Resources\AppIcon\appiconfg.svg" Color="#512BD4" />
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<!-- Splash Screen -->
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<MauiSplashScreen Include="Resources\Splash\splash.svg" Color="#512BD4" BaseSize="128,128" />
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<!-- Images -->
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<MauiImage Include="Resources\Images\*" />
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<MauiImage Update="Resources\Images\dotnet_bot.svg" BaseSize="168,208" />
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<!-- Custom Fonts -->
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<MauiFont Include="Resources\Fonts\*" />
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<!-- Raw Assets (also remove the "Resources\Raw" prefix) -->
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<MauiAsset Include="Resources\Raw\**" LogicalName="%(RecursiveDir)%(Filename)%(Extension)" />
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</ItemGroup>
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<ItemGroup>
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<None Remove="Resources\Fonts\Sync FontIcons.ttf" />
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</ItemGroup>
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<ItemGroup>
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<PackageReference Include="Syncfusion.Maui.Gauges" Version="*" />
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</ItemGroup>
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</Project>

‎CircularTimer/CircularTimer.sln‎

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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VisualStudioVersion = 17.0.31611.283
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CircularTimer", "CircularTimer.csproj", "{039385B8-59DA-4314-9509-AFF552924B6F}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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Release-Xml|Any CPU = Release-Xml|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{039385B8-59DA-4314-9509-AFF552924B6F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{039385B8-59DA-4314-9509-AFF552924B6F}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{039385B8-59DA-4314-9509-AFF552924B6F}.Debug|Any CPU.Deploy.0 = Debug|Any CPU
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{039385B8-59DA-4314-9509-AFF552924B6F}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{039385B8-59DA-4314-9509-AFF552924B6F}.Release|Any CPU.Build.0 = Release|Any CPU
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{039385B8-59DA-4314-9509-AFF552924B6F}.Release|Any CPU.Deploy.0 = Release|Any CPU
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{039385B8-59DA-4314-9509-AFF552924B6F}.Release-Xml|Any CPU.ActiveCfg = Release|Any CPU
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{039385B8-59DA-4314-9509-AFF552924B6F}.Release-Xml|Any CPU.Build.0 = Release|Any CPU
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{039385B8-59DA-4314-9509-AFF552924B6F}.Release-Xml|Any CPU.Deploy.0 = Release|Any CPU
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{CBDA6F07-84FC-4B4E-8802-297E1CC89706}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{CBDA6F07-84FC-4B4E-8802-297E1CC89706}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{CBDA6F07-84FC-4B4E-8802-297E1CC89706}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{CBDA6F07-84FC-4B4E-8802-297E1CC89706}.Release|Any CPU.Build.0 = Release|Any CPU
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{CBDA6F07-84FC-4B4E-8802-297E1CC89706}.Release-Xml|Any CPU.ActiveCfg = Release-Xml|Any CPU
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{CBDA6F07-84FC-4B4E-8802-297E1CC89706}.Release-Xml|Any CPU.Build.0 = Release-Xml|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {61F7FB11-1E47-470C-91E2-47F8143E1572}
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EndGlobalSection
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EndGlobal

‎CircularTimer/MainPage.xaml‎

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<?xml version="1.0" encoding="utf-8" ?>
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<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
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xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
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xmlns:gauge="clr-namespace:Syncfusion.Maui.Gauges;assembly=Syncfusion.Maui.Gauges"
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x:Class="CircularTimer.MainPage">
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<gauge:SfRadialGauge x:Name="timerGauge">
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<gauge:SfRadialGauge.Axes>
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<gauge:RadialAxis StartAngle="270"
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EndAngle="270"
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Maximum="60"
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ShowLabels="False"
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ShowTicks="False">
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<gauge:RadialAxis.Pointers>
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<gauge:RangePointer x:Name="range"
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Value="{Binding Source={x:Reference pointer},Path=Value}"
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EnableAnimation="True"
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Fill="Blue" />
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<gauge:ShapePointer x:Name="pointer"
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Value="60"
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EnableAnimation="True"
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ShapeHeight="30"
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ShapeWidth="30"
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Stroke="Blue"
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BorderWidth="3"
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ShapeType="Circle"
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Fill="White" />
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</gauge:RadialAxis.Pointers>
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<gauge:RadialAxis.Annotations>
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<gauge:GaugeAnnotation PositionFactor="0.4"
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DirectionValue="30"
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DirectionUnit="AxisValue">
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<gauge:GaugeAnnotation.Content>
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<StackLayout>
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<Button x:Name="play"
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Clicked="play_pause_Clicked"
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Text="&#xe737;"
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IsVisible="True"
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FontSize="Large"
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FontFamily="Sync FontIcons"
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TextColor="Blue"
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HeightRequest="40"
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WidthRequest="50"
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HorizontalOptions="Center"
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VerticalOptions="Center"
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BackgroundColor="Transparent"
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BorderWidth="0" />
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<Button x:Name="pause"
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Clicked="play_pause_Clicked"
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Text="&#xe769;"
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IsVisible="False"
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FontSize="Medium"
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FontFamily="Sync FontIcons"
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TextColor="Blue"
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HeightRequest="40"
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WidthRequest="50"
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HorizontalOptions="Center"
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VerticalOptions="Center"
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BackgroundColor="Transparent"
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BorderWidth="0" />
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</StackLayout>
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</gauge:GaugeAnnotation.Content>
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</gauge:GaugeAnnotation>
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<gauge:GaugeAnnotation PositionFactor="0.1"
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DirectionValue="0"
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DirectionUnit="AxisValue">
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<gauge:GaugeAnnotation.Content>
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<Label x:Name="timer"
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Text="01:00"
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FontSize="80"
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TextColor="Blue" />
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</gauge:GaugeAnnotation.Content>
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</gauge:GaugeAnnotation>
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</gauge:RadialAxis.Annotations>
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</gauge:RadialAxis>
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</gauge:SfRadialGauge.Axes>
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</gauge:SfRadialGauge>
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</ContentPage>

‎CircularTimer/MainPage.xaml.cs‎

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namespace CircularTimer;
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public partial class MainPage : ContentPage
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{
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bool isCircularTimerOn = false;
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public MainPage()
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{
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InitializeComponent();
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}
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private void play_pause_Clicked(object sender, EventArgs e)
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{
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isCircularTimerOn = !isCircularTimerOn;
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if (isCircularTimerOn)
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{
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play.IsVisible = false;
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pause.IsVisible = true;
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}
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Dispatcher.StartTimer(TimeSpan.FromSeconds(1), () =>
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{
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if (!isCircularTimerOn)
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{
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play.IsVisible = true;
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pause.IsVisible = false;
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return false;
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}
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Dispatcher.DispatchAsync(() =>
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{
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pointer.Value -= 1;
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if (pointer.Value == -1)
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{
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isCircularTimerOn = false;
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pointer.Value = 60;
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timer.Text = "01:00";
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}
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else
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{
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timer.Text = pointer.Value.ToString("00:00");
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}
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});
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return true;
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});
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}
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}

‎CircularTimer/MauiProgram.cs‎

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using Syncfusion.Maui.Core.Hosting;
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namespace CircularTimer;
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public static class MauiProgram
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{
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public static MauiApp CreateMauiApp()
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{
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var builder = MauiApp.CreateBuilder();
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builder
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.UseMauiApp<App>()
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.ConfigureSyncfusionCore()
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.ConfigureFonts(fonts =>
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{
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fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
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fonts.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold");
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fonts.AddFont("Sync FontIcons.ttf", "Sync FontIcons");
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});
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return builder.Build();
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}
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}

‎CircularTimer/Platforms/Android/AndroidManifest.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android">
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<application android:allowBackup="true" android:icon="@mipmap/appicon" android:roundIcon="@mipmap/appicon_round" android:supportsRtl="true"></application>
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<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
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<uses-permission android:name="android.permission.INTERNET" />
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</manifest>

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