├── .gitattributes ├── .gitignore ├── LICENSE ├── README.md └── src ├── Sample ├── XFExpandableListViewSample.Android │ ├── Assets │ │ ├── AboutAssets.txt │ │ └── MaterialIcons-Regular.ttf │ ├── MainActivity.cs │ ├── Properties │ │ ├── AndroidManifest.xml │ │ └── AssemblyInfo.cs │ ├── Resources │ │ ├── AboutResources.txt │ │ ├── Resource.designer.cs │ │ ├── layout │ │ │ ├── Tabbar.axml │ │ │ └── Toolbar.axml │ │ ├── mipmap-anydpi-v26 │ │ │ ├── icon.xml │ │ │ └── icon_round.xml │ │ ├── mipmap-hdpi │ │ │ ├── Icon.png │ │ │ └── launcher_foreground.png │ │ ├── mipmap-mdpi │ │ │ ├── icon.png │ │ │ └── launcher_foreground.png │ │ ├── mipmap-xhdpi │ │ │ ├── Icon.png │ │ │ └── launcher_foreground.png │ │ ├── mipmap-xxhdpi │ │ │ ├── Icon.png │ │ │ └── launcher_foreground.png │ │ ├── mipmap-xxxhdpi │ │ │ ├── Icon.png │ │ │ └── launcher_foreground.png │ │ └── values │ │ │ ├── colors.xml │ │ │ └── styles.xml │ └── XFExpandableListViewSample.Android.csproj └── XFExpandableListViewSample │ ├── App.xaml │ ├── App.xaml.cs │ ├── Models │ ├── Animal.cs │ ├── AnimalGroup.cs │ └── NotifyingObject.cs │ ├── ViewModels │ └── ExpandableListViewPageViewModel.cs │ ├── Views │ ├── ExpandableListViewPage.xaml │ └── ExpandableListViewPage.xaml.cs │ └── XFExpandableListViewSample.csproj ├── XFExpandableListView.sln └── XFExpandableListView ├── Abstractions ├── IExpandableController.cs └── IExpandableGroup.cs ├── Cells ├── ExpandableGroupCell.cs └── ExpandableGroupView.cs ├── Controls ├── ExpandableCollectionView.cs └── ExpandableListView.cs ├── EventArgs └── ExpandableGroupEventArgs.cs ├── Models └── ExpandableGroup.cs ├── Utils ├── IRangeCollectionProxy.cs └── ObservableRangeCollection.cs └── XFExpandableListView.csproj /.gitattributes: -------------------------------------------------------------------------------- 1 | ############################################################################### 2 | # Set default behavior to automatically normalize line endings. 3 | ############################################################################### 4 | * text=auto 5 | 6 | ############################################################################### 7 | # Set default behavior for command prompt diff. 8 | # 9 | # This is need for earlier builds of msysgit that does not have it on by 10 | # default for csharp files. 11 | # Note: This is only used by command line 12 | ############################################################################### 13 | #*.cs diff=csharp 14 | 15 | ############################################################################### 16 | # Set the merge driver for project and solution files 17 | # 18 | # Merging from the command prompt will add diff markers to the files if there 19 | # are conflicts (Merging from VS is not affected by the settings below, in VS 20 | # the diff markers are never inserted). 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright [yyyy] [name of copyright owner] 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # XFExpandableListView 2 | An Implementation of Expandable ListView Control in Xamarin.Forms. 3 | 4 | [![Build status](https://build.appcenter.ms/v0.1/apps/133697af-20ff-41f3-91a4-22c5d99d2efd/branches/master/badge)](https://appcenter.ms) [![NuGet Version](https://buildstats.info/nuget/XFExpandableListView)](https://www.nuget.org/packages/XFExpandableListView) 5 | 6 | # Documentation 7 | ![Alt Text](https://media.giphy.com/media/1AfbEInjrtTcmVepOM/giphy.gif) 8 | 9 | # TODOs 10 | -Add Documentation and usage 11 | 12 | ## Notes 13 | The images are from: 14 | http://bearwithus.org 15 | https://www.monkeyworlds.com 16 | -------------------------------------------------------------------------------- /src/Sample/XFExpandableListViewSample.Android/Assets/AboutAssets.txt: -------------------------------------------------------------------------------- 1 | Any raw assets you want to be deployed with your application can be placed in 2 | this directory (and child directories) and given a Build Action of "AndroidAsset". 3 | 4 | These files will be deployed with you package and will be accessible using Android's 5 | AssetManager, like this: 6 | 7 | public class ReadAsset : Activity 8 | { 9 | protected override void OnCreate (Bundle bundle) 10 | { 11 | base.OnCreate (bundle); 12 | 13 | InputStream input = Assets.Open ("my_asset.txt"); 14 | } 15 | } 16 | 17 | Additionally, some Android functions will automatically load asset files: 18 | 19 | Typeface tf = Typeface.CreateFromAsset (Context.Assets, "fonts/samplefont.ttf"); 20 | -------------------------------------------------------------------------------- /src/Sample/XFExpandableListViewSample.Android/Assets/MaterialIcons-Regular.ttf: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/ChasakisD/XFExpandableListView/1a1bbef18f8b6689d09ef2942038c59179aef952/src/Sample/XFExpandableListViewSample.Android/Assets/MaterialIcons-Regular.ttf -------------------------------------------------------------------------------- /src/Sample/XFExpandableListViewSample.Android/MainActivity.cs: -------------------------------------------------------------------------------- 1 | using Android; 2 | using Android.App; 3 | using Android.Content.PM; 4 | using Android.OS; 5 | using Android.Runtime; 6 | using Xamarin.Forms; 7 | using Xamarin.Forms.Platform.Android; 8 | using XamarinBackgroundKit.Android; 9 | using GlideX = Android.Glide.Forms; 10 | using XEPlatform = Xamarin.Essentials.Platform; 11 | 12 | [assembly: UsesPermission(Manifest.Permission.Internet)] 13 | [assembly: UsesPermission(Manifest.Permission.AccessNetworkState)] 14 | [assembly: UsesPermission(Manifest.Permission.WriteExternalStorage)] 15 | namespace XFExpandableListViewSample.Droid 16 | { 17 | [Activity(Label = "XFExpandableListViewSample", Icon = "@mipmap/icon", Theme = "@style/MainTheme", MainLauncher = true, ConfigurationChanges = ConfigChanges.ScreenSize | ConfigChanges.Orientation)] 18 | public class MainActivity : FormsAppCompatActivity 19 | { 20 | protected override void OnCreate(Bundle savedInstanceState) 21 | { 22 | ToolbarResource = Resource.Layout.Toolbar; 23 | TabLayoutResource = Resource.Layout.Tabbar; 24 | 25 | base.OnCreate(savedInstanceState); 26 | 27 | Forms.Init(this, savedInstanceState); 28 | GlideX.Init(this); 29 | XEPlatform.Init(this, savedInstanceState); 30 | FormsMaterial.Init(this, savedInstanceState); 31 | BackgroundKit.Init(); 32 | 33 | LoadApplication(new App()); 34 | } 35 | 36 | public override void OnRequestPermissionsResult(int requestCode, string[] permissions, [GeneratedEnum] Permission[] grantResults) 37 | { 38 | XEPlatform.OnRequestPermissionsResult(requestCode, permissions, grantResults); 39 | 40 | base.OnRequestPermissionsResult(requestCode, permissions, grantResults); 41 | } 42 | } 43 | } 44 | 45 | -------------------------------------------------------------------------------- /src/Sample/XFExpandableListViewSample.Android/Properties/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /src/Sample/XFExpandableListViewSample.Android/Properties/AssemblyInfo.cs: -------------------------------------------------------------------------------- 1 | using System.Reflection; 2 | using System.Runtime.InteropServices; 3 | 4 | // General Information about an assembly is controlled through the following 5 | // set of attributes. Change these attribute values to modify the information 6 | // associated with an assembly. 7 | [assembly: AssemblyTitle("XFExpandableListViewSample.Android")] 8 | [assembly: AssemblyDescription("")] 9 | [assembly: AssemblyConfiguration("")] 10 | [assembly: AssemblyCompany("")] 11 | [assembly: AssemblyProduct("XFExpandableListViewSample.Android")] 12 | [assembly: AssemblyCopyright("Copyright © 2014")] 13 | [assembly: AssemblyTrademark("")] 14 | [assembly: AssemblyCulture("")] 15 | [assembly: ComVisible(false)] 16 | 17 | // Version information for an assembly consists of the following four values: 18 | // 19 | // Major Version 20 | // Minor Version 21 | // Build Number 22 | // Revision 23 | // 24 | // You can specify all the values or you can default the Build and Revision Numbers 25 | // by using the '*' as shown below: 26 | // [assembly: AssemblyVersion("1.0.*")] 27 | [assembly: AssemblyVersion("1.0.0.0")] 28 | [assembly: AssemblyFileVersion("1.0.0.0")] 29 | -------------------------------------------------------------------------------- /src/Sample/XFExpandableListViewSample.Android/Resources/AboutResources.txt: -------------------------------------------------------------------------------- 1 | Images, layout descriptions, binary blobs and string dictionaries can be included 2 | in your application as resource files. Various Android APIs are designed to 3 | operate on the resource IDs instead of dealing with images, strings or binary blobs 4 | directly. 5 | 6 | For example, a sample Android app that contains a user interface layout (main.xml), 7 | an internationalization string table (strings.xml) and some icons (drawable-XXX/icon.png) 8 | would keep its resources in the "Resources" directory of the application: 9 | 10 | Resources/ 11 | drawable-hdpi/ 12 | icon.png 13 | 14 | drawable-ldpi/ 15 | icon.png 16 | 17 | drawable-mdpi/ 18 | icon.png 19 | 20 | layout/ 21 | main.xml 22 | 23 | values/ 24 | strings.xml 25 | 26 | In order to get the build system to recognize Android resources, set the build action to 27 | "AndroidResource". The native Android APIs do not operate directly with filenames, but 28 | instead operate on resource IDs. When you compile an Android application that uses resources, 29 | the build system will package the resources for distribution and generate a class called 30 | "Resource" that contains the tokens for each one of the resources included. For example, 31 | for the above Resources layout, this is what the Resource class would expose: 32 | 33 | public class Resource { 34 | public class drawable { 35 | public const int icon = 0x123; 36 | } 37 | 38 | public class layout { 39 | public const int main = 0x456; 40 | } 41 | 42 | public class strings { 43 | public const int first_string = 0xabc; 44 | public const int second_string = 0xbcd; 45 | } 46 | } 47 | 48 | You would then use R.drawable.icon to reference the drawable/icon.png file, or Resource.layout.main 49 | to reference the layout/main.xml file, or Resource.strings.first_string to reference the first 50 | string in the dictionary file values/strings.xml. 51 | -------------------------------------------------------------------------------- /src/Sample/XFExpandableListViewSample.Android/Resources/layout/Tabbar.axml: -------------------------------------------------------------------------------- 1 | 2 | 12 | -------------------------------------------------------------------------------- /src/Sample/XFExpandableListViewSample.Android/Resources/layout/Toolbar.axml: -------------------------------------------------------------------------------- 1 | 9 | 10 | -------------------------------------------------------------------------------- /src/Sample/XFExpandableListViewSample.Android/Resources/mipmap-anydpi-v26/icon.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /src/Sample/XFExpandableListViewSample.Android/Resources/mipmap-anydpi-v26/icon_round.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /src/Sample/XFExpandableListViewSample.Android/Resources/mipmap-hdpi/Icon.png: 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-------------------------------------------------------------------------------- /src/Sample/XFExpandableListViewSample.Android/Resources/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 6 | 7 | 26 | 27 | 30 | 31 | -------------------------------------------------------------------------------- /src/Sample/XFExpandableListViewSample.Android/XFExpandableListViewSample.Android.csproj: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 | Debug 5 | AnyCPU 6 | {C685107D-3A02-4CF8-9E79-639A8D796ECB} 7 | {EFBA0AD7-5A72-4C68-AF49-83D382785DCF};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC} 8 | {c9e5eea5-ca05-42a1-839b-61506e0a37df} 9 | Library 10 | XFExpandableListViewSample.Droid 11 | XFExpandableListViewSample.Android 12 | True 13 | Resources\Resource.designer.cs 14 | Resource 15 | Properties\AndroidManifest.xml 16 | Resources 17 | Assets 18 | v10.0 19 | 20 | 21 | 22 | 23 | true 24 | full 25 | false 26 | bin\Debug 27 | DEBUG; 28 | prompt 29 | 4 30 | None 31 | 32 | 33 | true 34 | pdbonly 35 | true 36 | bin\Release 37 | prompt 38 | 4 39 | true 40 | false 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 2.0.0 53 | 54 | 55 | 4.4.0.991477 56 | 57 | 58 | 1.3.1 59 | 60 | 61 | 2.0.1.394 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 | 101 | 102 | {0e9e27e3-7f19-4994-be76-d3c3632e409a} 103 | XFExpandableListViewSample 104 | 105 | 106 | 107 | -------------------------------------------------------------------------------- /src/Sample/XFExpandableListViewSample/App.xaml: -------------------------------------------------------------------------------- 1 |  2 | -------------------------------------------------------------------------------- /src/Sample/XFExpandableListViewSample/App.xaml.cs: -------------------------------------------------------------------------------- 1 | using Xamarin.Forms.Xaml; 2 | using XamarinBackgroundKit.Controls; 3 | using XFExpandableListViewSample.Views; 4 | 5 | [assembly: XamlCompilation (XamlCompilationOptions.Compile)] 6 | namespace XFExpandableListViewSample 7 | { 8 | public partial class App 9 | { 10 | public App () 11 | { 12 | InitializeComponent(); 13 | 14 | var x = typeof(MaterialShapeView); 15 | 16 | MainPage = new ExpandableListViewPage(); 17 | } 18 | } 19 | } 20 | -------------------------------------------------------------------------------- /src/Sample/XFExpandableListViewSample/Models/Animal.cs: -------------------------------------------------------------------------------- 1 | namespace XFExpandableListViewSample.Models 2 | { 3 | public class Animal : NotifyingObject 4 | { 5 | private string _name; 6 | public string Name 7 | { 8 | get => _name; 9 | set => Set(ref _name, value); 10 | } 11 | 12 | private string _description; 13 | public string Description 14 | { 15 | get => _description; 16 | set => Set(ref _description, value); 17 | } 18 | 19 | private string _imageUrl; 20 | public string ImageUrl 21 | { 22 | get => _imageUrl; 23 | set => Set(ref _imageUrl, value); 24 | } 25 | 26 | public Animal(string name, string description, string imageUrl) 27 | { 28 | Name = name; 29 | Description = description; 30 | ImageUrl = imageUrl; 31 | } 32 | } 33 | } 34 | -------------------------------------------------------------------------------- /src/Sample/XFExpandableListViewSample/Models/AnimalGroup.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using XFExpandableListView.Abstractions; 3 | using XFExpandableListView.Models; 4 | 5 | namespace XFExpandableListViewSample.Models 6 | { 7 | public class AnimalGroup : ExpandableGroup, IExpandableGroup 8 | { 9 | public string Title { get; set; } 10 | public string ShortName { get; set; } 11 | 12 | public AnimalGroup(string title, string shortName, bool expanded = true) : base(Guid.NewGuid()) 13 | { 14 | Title = title; 15 | ShortName = shortName; 16 | IsExpanded = expanded; 17 | } 18 | 19 | public override IExpandableGroup NewInstance() 20 | { 21 | return new AnimalGroup(Title, ShortName, IsExpanded) { Id = Id }; 22 | } 23 | } 24 | } 25 | -------------------------------------------------------------------------------- /src/Sample/XFExpandableListViewSample/Models/NotifyingObject.cs: -------------------------------------------------------------------------------- 1 | using System.Collections.Generic; 2 | using System.Runtime.CompilerServices; 3 | using Xamarin.Forms; 4 | 5 | namespace XFExpandableListViewSample.Models 6 | { 7 | public class NotifyingObject : BindableObject 8 | { 9 | private readonly Dictionary _properties; 10 | 11 | public NotifyingObject() 12 | { 13 | _properties = new Dictionary(); 14 | } 15 | 16 | #region [Notify Property Changed] 17 | 18 | protected virtual bool Set(ref T storage, T value, [CallerMemberName] string propertyName = null) 19 | { 20 | if (EqualityComparer.Default.Equals(storage, value)) return false; 21 | 22 | storage = value; 23 | OnPropertyChanged(propertyName); 24 | return true; 25 | } 26 | 27 | #endregion 28 | } 29 | } 30 | -------------------------------------------------------------------------------- /src/Sample/XFExpandableListViewSample/ViewModels/ExpandableListViewPageViewModel.cs: -------------------------------------------------------------------------------- 1 | using System.Collections; 2 | using System.Collections.Generic; 3 | using System.Collections.ObjectModel; 4 | using Xamarin.Forms; 5 | using XFExpandableListView.Abstractions; 6 | using XFExpandableListViewSample.Models; 7 | 8 | namespace XFExpandableListViewSample.ViewModels 9 | { 10 | public class ExpandableListViewPageViewModel : NotifyingObject 11 | { 12 | private Command