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KimsereyKimserey
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‎.gitignore

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# Autosave files
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*~
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# build
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[Oo]bj/
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[Bb]in/
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packages/
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TestResults/
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# globs
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Makefile.in
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*.DS_Store
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*.sln.cache
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*.suo
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*.cache
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*.pidb
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*.userprefs
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*.usertasks
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config.log
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config.make
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config.status
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aclocal.m4
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install-sh
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autom4te.cache/
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*.user
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*.tar.gz
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tarballs/
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test-results/
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Thumbs.db
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# Mac bundle stuff
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*.dmg
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*.app
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# resharper
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*_Resharper.*
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*.Resharper
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# dotCover
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*.dotCover

‎Accordion.sln

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio 2012
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Accordion", "Accordion\Accordion.csproj", "{16BA3E33-AB37-4091-93FF-2BAAB1370BC6}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Accordion.Droid", "Droid\Accordion.Droid.csproj", "{AAE35B05-9801-4189-83F7-FBCE41CA1F86}"
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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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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{16BA3E33-AB37-4091-93FF-2BAAB1370BC6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{16BA3E33-AB37-4091-93FF-2BAAB1370BC6}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{16BA3E33-AB37-4091-93FF-2BAAB1370BC6}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{16BA3E33-AB37-4091-93FF-2BAAB1370BC6}.Release|Any CPU.Build.0 = Release|Any CPU
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{AAE35B05-9801-4189-83F7-FBCE41CA1F86}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{AAE35B05-9801-4189-83F7-FBCE41CA1F86}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{AAE35B05-9801-4189-83F7-FBCE41CA1F86}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{AAE35B05-9801-4189-83F7-FBCE41CA1F86}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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EndGlobal

‎Accordion/Accordion.cs

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using System;
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using System.Linq;
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using System.Collections;
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using System.Collections.Generic;
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using System.Windows.Input;
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using Xamarin.Forms;
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namespace Accordion
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{
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public interface ISelectable
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{
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bool IsSelected { get; set; }
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}
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public class ItemsView : ScrollView
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{
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public static readonly BindableProperty ItemsSourceProperty =
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BindableProperty.Create(
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propertyName: "ItemsSource",
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returnType: typeof(IList),
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declaringType: typeof(ItemsView),
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defaultBindingMode: BindingMode.TwoWay,
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defaultValue: default(IList),
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propertyChanged: ItemsView.OnItemsSourceChanged);
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public IList ItemsSource
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{
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get { return (IList)GetValue(ItemsSourceProperty); }
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set { SetValue(ItemsSourceProperty, value); }
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}
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public static readonly BindableProperty SelectedItemProperty =
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BindableProperty.Create(
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propertyName: "SelectedItem",
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returnType: typeof(object),
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declaringType: typeof(ItemsView),
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defaultBindingMode: BindingMode.TwoWay,
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defaultValue: default(object),
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propertyChanged: ItemsView.OnSelectedItemChanged);
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public object SelectedItem
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{
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get { return (object)GetValue(SelectedItemProperty); }
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set { SetValue(SelectedItemProperty, value); }
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}
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public static readonly BindableProperty ItemTemplateProperty =
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BindableProperty.Create(
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propertyName: "ItemTemplate",
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returnType: typeof(DataTemplate),
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declaringType: typeof(ItemsView),
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defaultValue: default(DataTemplate),
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defaultBindingMode: BindingMode.TwoWay);
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public DataTemplate ItemTemplate
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{
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get { return (DataTemplate)GetValue(ItemTemplateProperty); }
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set { SetValue(ItemTemplateProperty, value); }
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}
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readonly ICommand selectedCommand;
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readonly StackLayout stackLayout;
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public ItemsView(DataTemplate template): base()
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{
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selectedCommand = new Command<object>(item => this.SelectedItem = item);
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stackLayout =
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new StackLayout()
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{
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Orientation = StackOrientation.Horizontal,
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Padding = 0,
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Spacing = 0,
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HorizontalOptions = LayoutOptions.FillAndExpand
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};
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this.ItemTemplate = template;
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this.Content = stackLayout;
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}
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void Init()
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{
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stackLayout.Children.Clear();
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if (ItemsSource == null)
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return;
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foreach (var item in ItemsSource)
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{
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var content = ItemTemplate.CreateContent();
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var itemView = content as View;
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itemView.BindingContext = item;
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itemView.GestureRecognizers.Add(new TapGestureRecognizer
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{
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Command = selectedCommand,
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CommandParameter = itemView as object
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});
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stackLayout.Children.Add(itemView);
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}
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}
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static void OnItemsSourceChanged(BindableObject bindable, object oldValue, object newValue)
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{
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((ItemsView)bindable).Init();
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}
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static void OnSelectedItemChanged(BindableObject bindable, object oldValue, object newValue)
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{
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var itemsView = (ItemsView)bindable;
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if (newValue == oldValue)
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return;
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var items = itemsView.ItemsSource.OfType<ISelectable>();
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foreach (var item in items)
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item.IsSelected = item == newValue;
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}
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}
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public class ItemsViewModel
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{
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public IEnumerable<Item> Items
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{
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get;
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set;
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}
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public ItemsViewModel ()
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{
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this.Items = new List<Item> {
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new Item { Title = "Something" },
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new Item { Title = "Test" },
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new Item { Title = "Hello" }
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};
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}
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}
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public class Item: ISelectable
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{
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public bool IsSelected
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{
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get; set;
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}
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public string Title { get; set; }
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}
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public class App : Application
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{
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public App()
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{
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var template =
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new DataTemplate(() =>
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{
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var label = new Label();
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var layout =
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new StackLayout
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{
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Children =
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{
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label
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}
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};
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label.SetBinding(Label.TextProperty, "Title");
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return (object)layout;
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});
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var list = new ItemsView(template);
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var vm = new ItemsViewModel();
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list.SetBinding(ItemsView.ItemsSourceProperty, "Items");
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list.BindingContext = vm;
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var content = new ContentPage
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{
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Title = "Accordion",
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Content = new StackLayout
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{
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VerticalOptions = LayoutOptions.Center,
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Children = {
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list
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}
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}
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};
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MainPage = new NavigationPage(content);
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}
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}
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}

‎Accordion/Accordion.csproj

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<?xml version="1.0" encoding="utf-8"?>
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<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
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<ProjectGuid>{16BA3E33-AB37-4091-93FF-2BAAB1370BC6}</ProjectGuid>
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<ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
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<UseMSBuildEngine>true</UseMSBuildEngine>
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<OutputType>Library</OutputType>
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<RootNamespace>Accordion</RootNamespace>
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<AssemblyName>Accordion</AssemblyName>
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<TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
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<TargetFrameworkProfile>Profile259</TargetFrameworkProfile>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>bin\Debug</OutputPath>
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<DefineConstants>DEBUG;</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
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<Optimize>true</Optimize>
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<OutputPath>bin\Release</OutputPath>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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</PropertyGroup>
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<ItemGroup>
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<Compile Include="Accordion.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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</ItemGroup>
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<ItemGroup>
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<Reference Include="Xamarin.Forms.Core">
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<HintPath>..\packages\Xamarin.Forms.2.3.1.114\lib\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.Core.dll</HintPath>
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</Reference>
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<Reference Include="Xamarin.Forms.Platform">
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<HintPath>..\packages\Xamarin.Forms.2.3.1.114\lib\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.Platform.dll</HintPath>
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</Reference>
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<Reference Include="Xamarin.Forms.Xaml">
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<HintPath>..\packages\Xamarin.Forms.2.3.1.114\lib\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.Xaml.dll</HintPath>
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</Reference>
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</ItemGroup>
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<ItemGroup>
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<None Include="packages.config" />
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</ItemGroup>
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<Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets" />
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<Import Project="..\packages\Xamarin.Forms.2.3.1.114\build\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.targets" Condition="Exists('..\packages\Xamarin.Forms.2.3.1.114\build\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.targets')" />
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</Project>

‎Accordion/Properties/AssemblyInfo.cs

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using System.Reflection;
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using System.Runtime.CompilerServices;
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// Information about this assembly is defined by the following attributes.
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// Change them to the values specific to your project.
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[assembly: AssemblyTitle("Accordion")]
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[assembly: AssemblyDescription("")]
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[assembly: AssemblyConfiguration("")]
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[assembly: AssemblyCompany("")]
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[assembly: AssemblyProduct("")]
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[assembly: AssemblyCopyright("kimsereylam")]
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[assembly: AssemblyTrademark("")]
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[assembly: AssemblyCulture("")]
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// The assembly version has the format "{Major}.{Minor}.{Build}.{Revision}".
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// The form "{Major}.{Minor}.*" will automatically update the build and revision,
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// and "{Major}.{Minor}.{Build}.*" will update just the revision.
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[assembly: AssemblyVersion("1.0.*")]
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// The following attributes are used to specify the signing key for the assembly,
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// if desired. See the Mono documentation for more information about signing.
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//[assembly: AssemblyDelaySign(false)]
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//[assembly: AssemblyKeyFile("")]

‎Accordion/packages.config

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<?xml version="1.0" encoding="utf-8"?>
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<packages>
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<package id="Xamarin.Forms" version="2.3.1.114" targetFramework="portable45-net45+win8+wp8+wpa81" />
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</packages>

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