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Merge pull request #607 from dotnet/whattoeat
Added sample WhatToEat App
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‎10.0/Apps/WhatToEat/LICENSE

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MIT License
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Copyright (c) Microsoft Corporation.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE

‎10.0/Apps/WhatToEat/README.md

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---
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name: .NET MAUI - WhatToEat
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description: Weather '21 application that demonstrates how to effectively use Shell for intuitive navigation and seamless app structuring.
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page_type: sample
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languages:
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- csharp
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- xaml
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products:
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- dotnet-maui
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urlFragment: apps-whattoeat
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---
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# WhatToEat
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This is a [.NET MAUI](https://github.com/dotnet/maui) app showcasing how to effectively use Shell for intuitive navigation and seamless app structuring. It showcases key features, including navigation patterns and route management, to help developers build robust and user-friendly applications.
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![.NET MAUI WhatToEat App on all platforms](images/screen_search_recipes.png)
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## Additional Resources
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https://docs.microsoft.com/dotnet/maui
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https://github.com/dotnet/maui

‎10.0/Apps/WhatToEat/images/app_logo.png

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‎10.0/Apps/WhatToEat/images/screen_recipe_detail.png

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‎10.0/Apps/WhatToEat/images/screen_recipe_detail_add.png

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‎10.0/Apps/WhatToEat/images/screen_recipe_detail_edit.png

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‎10.0/Apps/WhatToEat/images/screen_recipe_detail_saved.png

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‎10.0/Apps/WhatToEat/images/screen_recipes_carousel.png

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‎10.0/Apps/WhatToEat/images/screen_search_recipes.png

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‎10.0/Apps/WhatToEat/images/screen_starting.png

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‎10.0/Apps/WhatToEat/src/WhatToEat.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 = 17.0.31602.29
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "WhatToEat", "WhatToEat\WhatToEat.csproj", "{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}"
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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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Debug|ARM = Debug|ARM
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Debug|ARM64 = Debug|ARM64
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Debug|iPhone = Debug|iPhone
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Debug|iPhoneSimulator = Debug|iPhoneSimulator
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Debug|x64 = Debug|x64
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Debug|x86 = Debug|x86
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Release|Any CPU = Release|Any CPU
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Release|ARM = Release|ARM
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Release|ARM64 = Release|ARM64
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Release|iPhone = Release|iPhone
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Release|iPhoneSimulator = Release|iPhoneSimulator
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Release|x64 = Release|x64
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Release|x86 = Release|x86
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Debug|Any CPU.Deploy.0 = Debug|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Debug|ARM.ActiveCfg = Debug|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Debug|ARM.Build.0 = Debug|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Debug|ARM64.ActiveCfg = Debug|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Debug|ARM64.Build.0 = Debug|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Debug|iPhone.ActiveCfg = Debug|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Debug|iPhone.Build.0 = Debug|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Debug|iPhoneSimulator.ActiveCfg = Debug|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Debug|iPhoneSimulator.Build.0 = Debug|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Debug|x64.ActiveCfg = Debug|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Debug|x64.Build.0 = Debug|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Debug|x86.ActiveCfg = Debug|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Debug|x86.Build.0 = Debug|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Debug|x86.Deploy.0 = Debug|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Release|Any CPU.Build.0 = Release|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Release|Any CPU.Deploy.0 = Release|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Release|ARM.ActiveCfg = Release|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Release|ARM.Build.0 = Release|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Release|ARM64.ActiveCfg = Release|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Release|ARM64.Build.0 = Release|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Release|iPhone.ActiveCfg = Release|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Release|iPhone.Build.0 = Release|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Release|iPhoneSimulator.ActiveCfg = Release|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Release|iPhoneSimulator.Build.0 = Release|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Release|x64.ActiveCfg = Release|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Release|x64.Build.0 = Release|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Release|x86.ActiveCfg = Release|Any CPU
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{A2021E63-BCCF-411E-B0AE-DF2EABB8EB34}.Release|x86.Build.0 = Release|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 = {0CFA77A0-D78C-48CB-884F-4627FC7138FF}
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EndGlobalSection
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EndGlobal

‎10.0/Apps/WhatToEat/src/WhatToEat/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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x:Class="Recipes.App"
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xmlns:windows="clr-namespace:Microsoft.Maui.Controls.PlatformConfiguration.WindowsSpecific;assembly=Microsoft.Maui.Controls"
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windows:Application.ImageDirectory="Assets">
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<!--
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Define global resources and styles here, that apply to all pages in your app.
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-->
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<Application.Resources>
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<ResourceDictionary>
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<Color x:Key="Primary">#176515</Color>
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<Color x:Key="Secondary">#90b28d</Color>
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<Style TargetType="Button">
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<Setter Property="MinimumHeightRequest" Value="44"></Setter>
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<Setter Property="MinimumWidthRequest" Value="44"></Setter>
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</Style>
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<Style TargetType="Button" x:Key="DefaultButtonStyle">
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<Setter Property="FontSize" Value="16"/>
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<Setter Property="TextColor" Value="{AppThemeBinding Dark={StaticResource Primary}, Light=White}"/>
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<Setter Property="BackgroundColor" Value="{AppThemeBinding Dark=White, Light={StaticResource Primary}}"/>
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</Style>
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<Style TargetType="Button" x:Key="RecipeCategoryButtonStyle" BasedOn="{StaticResource DefaultButtonStyle}">
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<Setter Property="TextColor" Value="{AppThemeBinding Dark=White, Light={StaticResource Primary}}"/>
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<Setter Property="BackgroundColor" Value="{AppThemeBinding Dark=#2A2A2A, Light=#F7F7F7}"/>
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<Setter Property="ContentLayout" Value="Top,0"/>
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<Setter Property="FontAttributes" Value="Bold"/>
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<Setter Property="Padding" Value="5,15"/>
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<Setter Property="FontSize" Value="24"></Setter>
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<Setter Property="MinimumWidthRequest" Value="150"></Setter>
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<Setter Property="MinimumHeightRequest" Value="{OnPlatform Android=150, Default=-1}"></Setter>
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</Style>
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<Style TargetType="Label">
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<Setter Property="TextColor" Value="{AppThemeBinding Dark=White, Light=Black}"/>
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</Style>
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<Style TargetType="Label" x:Key="RecipeNameStyle">
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<Setter Property="TextColor" Value="{AppThemeBinding Dark=White, Light=Black}"/>
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<Setter Property="BackgroundColor" Value="{AppThemeBinding Dark=Black, Light=White}"/>
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<Setter Property="FontAttributes" Value="Bold"/>
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</Style>
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<Style TargetType="Label" x:Key="RecipeItemLabelStyle">
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<Setter Property="TextColor" Value="{AppThemeBinding Dark=White, Light={StaticResource Primary}}"/>
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<Setter Property="FontSize" Value="16"/>
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</Style>
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<Style TargetType="SearchBar">
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<Setter Property="TextColor" Value="{AppThemeBinding Dark=White, Light=Black}"/>
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<Setter Property="BackgroundColor" Value="{AppThemeBinding Dark=Black, Light=White}"></Setter>
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<Setter Property="PlaceholderColor" Value="{AppThemeBinding Dark=LightGray, Light={StaticResource Primary}}"></Setter>
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<Setter Property="CancelButtonColor" Value="{AppThemeBinding Dark=LightGray, Light={StaticResource Primary}}"></Setter>
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<Setter Property="MinimumHeightRequest" Value="44"></Setter>
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</Style>
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<Style TargetType="Entry">
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<Setter Property="MinimumHeightRequest" Value="44"></Setter>
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</Style>
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<Style TargetType="Editor">
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<Setter Property="MinimumHeightRequest" Value="44"></Setter>
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</Style>
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<Style TargetType="CheckBox">
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<Setter Property="MinimumHeightRequest" Value="44"></Setter>
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</Style>
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<Style TargetType="RadioButton">
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<Setter Property="MinimumHeightRequest" Value="44"></Setter>
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</Style>
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</ResourceDictionary>
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</Application.Resources>
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</Application>

‎10.0/Apps/WhatToEat/src/WhatToEat/App.xaml.cs

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using Recipes.Services;
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namespace Recipes;
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public partial class App : Microsoft.Maui.Controls.Application
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{
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public App()
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{
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InitializeComponent();
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DependencyService.Register<MockDataStore>();
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MainPage = new AppShell();
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}
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}

‎10.0/Apps/WhatToEat/src/WhatToEat/AppShell.xaml

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<?xml version="1.0" encoding="UTF-8"?>
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<Shell 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:Recipes.Views"
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xmlns:sharedTransitions="clr-namespace:Plugin.SharedTransitions;assembly=Plugin.SharedTransitions"
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Title="WhatToEat"
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x:Class="Recipes.AppShell">
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<!--
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The overall app visual hierarchy is defined here, along with navigation.
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https://docs.microsoft.com/xamarin/xamarin-forms/app-fundamentals/shell/
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Need to Review if NavBarHasShadow=true is also weird on iOS
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-->
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<Shell.Resources>
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<ResourceDictionary>
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<Style x:Key="BaseStyle" TargetType="Element">
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<Setter Property="Shell.BackgroundColor" Value="{AppThemeBinding Dark=Black, Light=White}" />
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<Setter Property="Shell.ForegroundColor" Value="{AppThemeBinding Dark=White, Light={StaticResource Primary}}" />
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<Setter Property="Shell.TitleColor" Value="{AppThemeBinding Dark=White, Light={StaticResource Primary}}" />
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<Setter Property="Shell.DisabledColor" Value="{AppThemeBinding Dark=DarkGray, Light=LightGray}" />
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<Setter Property="Shell.UnselectedColor" Value="{AppThemeBinding Dark=LightGray, Light=#587656}" />
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<Setter Property="Shell.TabBarBackgroundColor" Value="{AppThemeBinding Dark=Black, Light=White}" />
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<Setter Property="Shell.TabBarForegroundColor" Value="{AppThemeBinding Dark=White, Light={StaticResource Primary}}" />
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<Setter Property="Shell.TabBarTitleColor" Value="{AppThemeBinding Dark=White, Light={StaticResource Primary}}" />
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<Setter Property="Shell.TabBarUnselectedColor" Value="{AppThemeBinding Dark=LightGray, Light=#587656}" />
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</Style>
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<Style TargetType="TabBar" BasedOn="{StaticResource BaseStyle}" />
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<Style TargetType="FlyoutItem" BasedOn="{StaticResource BaseStyle}" />
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</ResourceDictionary>
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</Shell.Resources>
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<TabBar>
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<ShellContent Title="Recipe Search" Icon="search.png" Route="StartingPage" ContentTemplate="{DataTemplate local:StartingPage}" />
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<ShellContent Title="My Recipes" Icon="cookbook.png" Route="MyRecipesPage" ContentTemplate="{DataTemplate local:MyRecipesPage}" />
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</TabBar>
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</Shell>

‎10.0/Apps/WhatToEat/src/WhatToEat/AppShell.xaml.cs

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using Recipes.Models;
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using Recipes.Views;
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namespace Recipes;
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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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Routing.RegisterRoute(nameof(SearchResultsPage), typeof(SearchResultsPage));
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Routing.RegisterRoute(nameof(SearchResultDetailPage), typeof(SearchResultDetailPage));
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Routing.RegisterRoute(nameof(RecipeDetailPage), typeof(RecipeDetailPage));
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Routing.RegisterRoute(nameof(NewRecipePage), typeof(NewRecipePage));
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Routing.RegisterRoute(nameof(EditRecipePage), typeof(EditRecipePage));
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}
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public static RecipeData Data { get; set; }
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public static Item[] MyRecipes { get; set; }
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}

‎10.0/Apps/WhatToEat/src/WhatToEat/AssemblyInfo.cs

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using Microsoft.Maui.Controls.Xaml;
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[assembly: XamlCompilation(XamlCompilationOptions.Compile)]

‎10.0/Apps/WhatToEat/src/WhatToEat/MauiProgram.cs

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namespace Recipes
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{
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public 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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.ConfigureMauiHandlers(_ =>
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{
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Microsoft.Maui.Controls.Handlers.Items.CollectionViewHandler.Mapper.AppendToMapping("KeyboardAccessibleCollectionView", (handler, view) =>
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{
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#if WINDOWS
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handler.PlatformView.SingleSelectionFollowsFocus = false;
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#endif
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});
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});
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return builder.Build();
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}
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}
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}

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