Remove BindablePropertyAttribute.DefaultValue

samples/CommunityToolkit.Maui.Sample/Pages/Views/Popup/PopupsPage.xaml.cs

@@ -149,7 +149,7 @@ async void HandleSelfClosingPopupButtonClicked(object? sender, EventArgs e)
 
 		await this.ClosePopupAsync();
 	}
-	
+
 	async void HandleCollectionViewPopupClicked(object? sender, EventArgs e)
 	{
 		var popupResult = await popupService.ShowPopupAsync<CollectionViewPopup, string>(

samples/CommunityToolkit.Maui.Sample/ViewModels/Views/Popup/CollectionViewPopupViewModel.cs

@@ -14,7 +14,7 @@ async Task OnReturnButtonTapped(CancellationToken token)
 	{
 		await popupService.ClosePopupAsync<string>(navigation, SelectedTitle ?? string.Empty, token);
 	}
-	
+
 	[ObservableProperty, NotifyCanExecuteChangedFor(nameof(ReturnButtonTappedCommand))]
 	public partial string? SelectedTitle { get; set; }
 }

src/CommunityToolkit.Maui.Camera/Views/CameraView.shared.cs

@@ -39,12 +39,12 @@ public event EventHandler<MediaCapturedEventArgs> MediaCaptured
 	static ICameraProvider CameraProvider => IPlatformApplication.Current?.Services.GetRequiredService<ICameraProvider>() ?? throw new CameraException("Unable to retrieve CameraProvider");
 
 	/// <inheritdoc cref="ICameraView.IsAvailable"/>
-	[BindableProperty(DefaultValue = CameraViewDefaults.IsAvailable)]
-	public partial bool IsAvailable { get; }
+	[BindableProperty]
+	public partial bool IsAvailable { get; } = CameraViewDefaults.IsAvailable;
 
 	/// <inheritdoc cref="ICameraView.IsBusy"/>
-	[BindableProperty(DefaultValue = CameraViewDefaults.IsCameraBusy)]
-	public partial bool IsBusy { get; }
+	[BindableProperty]
+	public partial bool IsBusy { get; } = CameraViewDefaults.IsCameraBusy;
 
 	/// <summary>
 	/// Gets the <see cref="Command{CancellationToken}"/> that triggers an image capture.
@@ -92,24 +92,24 @@ public event EventHandler<MediaCapturedEventArgs> MediaCaptured
 	public partial Command<CancellationToken> StopVideoRecordingCommand { get; }
 
 	/// <inheritdoc cref="ICameraView.CameraFlashMode"/>
-	[BindableProperty(DefaultValueCreatorMethodName = nameof(CreateCameraFlashMode))]
-	public partial CameraFlashMode CameraFlashMode { get; set; }
+	[BindableProperty]
+	public partial CameraFlashMode CameraFlashMode { get; set; } = CameraViewDefaults.CameraFlashMode;
 
 	/// <inheritdoc cref="ICameraView.SelectedCamera"/>
 	[BindableProperty(DefaultBindingMode = BindingMode.TwoWay)]
 	public partial CameraInfo? SelectedCamera { get; set; }
 
 	/// <inheritdoc cref="ICameraView.ZoomFactor"/>
-	[BindableProperty(DefaultValue = CameraViewDefaults.ZoomFactor, DefaultBindingMode = BindingMode.TwoWay, CoerceValueMethodName = nameof(CoerceZoom))]
-	public partial float ZoomFactor { get; set; }
+	[BindableProperty(DefaultBindingMode = BindingMode.TwoWay, CoerceValueMethodName = nameof(CoerceZoom))]
+	public partial float ZoomFactor { get; set; } = CameraViewDefaults.ZoomFactor;
 
 	/// <inheritdoc cref="ICameraView.ImageCaptureResolution"/>
-	[BindableProperty(DefaultValueCreatorMethodName = nameof(CreateImageCaptureResolution), DefaultBindingMode = BindingMode.TwoWay)]
-	public partial Size ImageCaptureResolution { get; set; }
+	[BindableProperty(DefaultBindingMode = BindingMode.TwoWay)]
+	public partial Size ImageCaptureResolution { get; set; } = CameraViewDefaults.ImageCaptureResolution;
 
 	/// <inheritdoc cref="ICameraView.IsTorchOn"/>
-	[BindableProperty(DefaultValue = CameraViewDefaults.IsTorchOn)]
-	public partial bool IsTorchOn { get; set; }
+	[BindableProperty]
+	public partial bool IsTorchOn { get; set; } = CameraViewDefaults.IsTorchOn;
 
 	new CameraViewHandler Handler => (CameraViewHandler)(base.Handler ?? throw new InvalidOperationException("Unable to retrieve Handler"));
 
@@ -230,10 +230,6 @@ protected virtual void Dispose(bool disposing)
 		}
 	}
 
-	static object CreateImageCaptureResolution(BindableObject bindable) => CameraViewDefaults.ImageCaptureResolution;
-
-	static object CreateCameraFlashMode(BindableObject bindable) => CameraViewDefaults.CameraFlashMode;
-
 	static Command<CancellationToken> CreateCaptureImageCommand(BindableObject bindable)
 	{
 		var cameraView = (CameraView)bindable;

src/CommunityToolkit.Maui.Core/Primitives/Defaults/MaxLengthReachedBehaviorDefaults.sharaed.cs

@@ -0,0 +1,9 @@
+using System.Windows.Input;
+
+namespace CommunityToolkit.Maui.Core;
+
+static class MaxLengthReachedBehaviorDefaults
+{
+	public const bool ShouldDismissKeyboardAutomatically = false;
+	public static ICommand? Command { get; } = null;
+}

src/CommunityToolkit.Maui.Core/Primitives/Defaults/TouchBehaviorDefaults.shared.cs

@@ -190,15 +190,15 @@ static class TouchBehaviorDefaults
 	/// <summary>
 	/// Default Value for TouchBehavior <see cref="DefaultBackgroundColor"/>
 	/// </summary>
-	public const Color? DefaultBackgroundColor = null;
+	public static Color DefaultBackgroundColor { get; } = Colors.Transparent;
 
 	/// <summary>
 	/// Default Value for TouchBehavior <see cref="HoveredBackgroundColor"/>
 	/// </summary>
-	public const Color? HoveredBackgroundColor = null;
+	public static Color HoveredBackgroundColor { get; } = Colors.Transparent;
 
 	/// <summary>
 	/// Default Value for TouchBehavior <see cref="PressedBackgroundColor"/>
 	/// </summary>
-	public const Color? PressedBackgroundColor = null;
+	public static Color PressedBackgroundColor { get; } = Colors.Transparent;
 }

src/CommunityToolkit.Maui.MediaElement/MediaElement.shared.cs

@@ -102,26 +102,26 @@ internal event EventHandler StopRequested
 	/// <summary>
 	/// Gets the <see cref="MediaHeight"/> in pixels.
 	/// </summary>
-	[BindableProperty(DefaultValue = MediaElementDefaults.MediaHeight)]
-	public partial int MediaHeight { get; }
+	[BindableProperty]
+	public partial int MediaHeight { get; } = MediaElementDefaults.MediaHeight;
 
 	/// <summary>
 	/// Gets the <see cref="MediaWidth"/> in pixels.
 	/// </summary>
-	[BindableProperty(DefaultValue = MediaElementDefaults.MediaWidth)]
-	public partial int MediaWidth { get; }
+	[BindableProperty]
+	public partial int MediaWidth { get; } = MediaElementDefaults.MediaWidth;
 
 	/// <summary>
 	/// Gets the current <see cref="Position"/> of the media playback.
 	/// </summary>
-	[BindableProperty(DefaultValue = MediaElementDefaults.Position)]
-	public partial TimeSpan Position { get; }
+	[BindableProperty]
+	public partial TimeSpan Position { get; } = MediaElementDefaults.Position;
 
 	/// <summary>
 	/// Gets the <see cref="Duration"/> of the media.
 	/// </summary>
-	[BindableProperty(DefaultValue = MediaElementDefaults.Duration)]
-	public partial TimeSpan Duration { get; }
+	[BindableProperty]
+	public partial TimeSpan Duration { get; } = MediaElementDefaults.Duration;
 
 	/// <summary>
 	/// Gets or sets the <see cref="AndroidViewType"/> of the media.
@@ -131,38 +131,38 @@ internal event EventHandler StopRequested
 	/// <summary>
 	/// Gets or sets the <see cref="Aspect"/> ratio used to display the video content.
 	/// </summary>
-	[BindableProperty(DefaultValue = MediaElementDefaults.Aspect)]
-	public partial Aspect Aspect { get; set; }
+	[BindableProperty]
+	public partial Aspect Aspect { get; set; } = MediaElementDefaults.Aspect;
 
 	/// <summary>
 	/// Gets or sets the <see cref="ShouldAutoPlay"/> indicating whether the media should play automatically.
 	/// </summary>
-	[BindableProperty(DefaultValue = MediaElementDefaults.ShouldAutoPlay)]
-	public partial bool ShouldAutoPlay { get; set; }
+	[BindableProperty]
+	public partial bool ShouldAutoPlay { get; set; } = MediaElementDefaults.ShouldAutoPlay;
 
 	/// <summary>
 	/// Gets or sets the <see cref="ShouldLoopPlayback"/> indicating whether the media should loop playback.
 	/// </summary>
-	[BindableProperty(DefaultValue = MediaElementDefaults.ShouldLoopPlayback)]
-	public partial bool ShouldLoopPlayback { get; set; }
+	[BindableProperty]
+	public partial bool ShouldLoopPlayback { get; set; } = MediaElementDefaults.ShouldLoopPlayback;
 
 	/// <summary>
 	/// Gets or sets the <see cref="ShouldKeepScreenOn"/> indicating whether the screen should be kept on during media playback.
 	/// </summary>
-	[BindableProperty(DefaultValue = MediaElementDefaults.ShouldKeepScreenOn)]
-	public partial bool ShouldKeepScreenOn { get; set; }
+	[BindableProperty]
+	public partial bool ShouldKeepScreenOn { get; set; } = MediaElementDefaults.ShouldKeepScreenOn;
 
 	/// <summary>
 	/// Gets or sets the <see cref="ShouldMute"/> indicating whether the media should be muted.
 	/// </summary>
-	[BindableProperty(DefaultValue = MediaElementDefaults.ShouldMute)]
-	public partial bool ShouldMute { get; set; }
+	[BindableProperty]
+	public partial bool ShouldMute { get; set; } = MediaElementDefaults.ShouldMute;
 
 	/// <summary>
 	/// Gets or sets the <see cref="ShouldShowPlaybackControls"/> indicating whether playback controls should be shown.
 	/// </summary>
-	[BindableProperty(DefaultValue = MediaElementDefaults.ShouldShowPlaybackControls)]
-	public partial bool ShouldShowPlaybackControls { get; set; }
+	[BindableProperty]
+	public partial bool ShouldShowPlaybackControls { get; set; } = MediaElementDefaults.ShouldShowPlaybackControls;
 
 	/// <summary>
 	/// Gets or sets the <see cref="Source"/> of the media.
@@ -174,38 +174,38 @@ internal event EventHandler StopRequested
 	/// <summary>
 	/// Gets or sets the <see cref="Speed"/> of the media playback.
 	/// </summary>
-	[BindableProperty(DefaultValue = MediaElementDefaults.Speed)]
-	public partial double Speed { get; set; }
+	[BindableProperty]
+	public partial double Speed { get; set; } = MediaElementDefaults.Speed;
 
 	/// <summary>
 	/// Gets or sets the <see cref="MetadataTitle"/> of the media.
 	/// </summary>
-	[BindableProperty(DefaultValue = MediaElementDefaults.MetadataTitle)]
-	public partial string MetadataTitle { get; set; }
+	[BindableProperty]
+	public partial string MetadataTitle { get; set; } = MediaElementDefaults.MetadataTitle;
 
 	/// <summary>
 	/// Gets or sets the <see cref="MetadataArtist"/> of the media.
 	/// </summary>
-	[BindableProperty(DefaultValue = MediaElementDefaults.MetadataArtist)]
-	public partial string MetadataArtist { get; set; }
+	[BindableProperty]
+	public partial string MetadataArtist { get; set; } = MediaElementDefaults.MetadataArtist;
 
 	/// <summary>
 	/// Gets or sets the <see cref="MetadataArtworkUrl"/> of the media.
 	/// </summary>
-	[BindableProperty(DefaultValue = MediaElementDefaults.MetadataArtworkUrl)]
-	public partial string MetadataArtworkUrl { get; set; }
+	[BindableProperty]
+	public partial string MetadataArtworkUrl { get; set; } = MediaElementDefaults.MetadataArtworkUrl;
 
 	/// <summary>
 	/// Gets or sets the <see cref="Volume"/> of the media.
 	/// </summary>
-	[BindableProperty(DefaultValue = MediaElementDefaults.Volume, DefaultBindingMode = BindingMode.TwoWay, PropertyChangingMethodName = nameof(OnVolumeChanging))]
-	public partial double Volume { get; set; }
+	[BindableProperty(DefaultBindingMode = BindingMode.TwoWay, PropertyChangingMethodName = nameof(OnVolumeChanging))]
+	public partial double Volume { get; set; } = MediaElementDefaults.Volume;
 
 	/// <summary>
 	/// Gets or sets the <see cref="CurrentState"/> of the media.
 	/// </summary>
-	[BindableProperty(DefaultValue = MediaElementDefaults.CurrentState, PropertyChangedMethodName = nameof(OnCurrentStatePropertyChanged))]
-	public partial MediaElementState CurrentState { get; private set; }
+	[BindableProperty(PropertyChangedMethodName = nameof(OnCurrentStatePropertyChanged))]
+	public partial MediaElementState CurrentState { get; private set; } = MediaElementDefaults.CurrentState;
 
 	/// <inheritdoc/>
 	TaskCompletionSource IAsynchronousMediaElementHandler.SeekCompletedTCS => seekCompletedTaskCompletionSource;

src/CommunityToolkit.Maui.MediaElement/Primitives/MediaElementDefaults.shared.cs

@@ -8,10 +8,6 @@ static class MediaElementDefaults
 
 	public const int MediaWidth = 0;
 
-	public const string Position = "00:00:00";
-
-	public const string Duration = "00:00:00";
-
 	public const bool ShouldAutoPlay = false;
 
 	public const bool ShouldLoopPlayback = false;
@@ -33,4 +29,8 @@ static class MediaElementDefaults
 	public const string MetadataArtworkUrl = "";
 
 	public const MediaElementState CurrentState = MediaElementState.None;
+
+	public static TimeSpan Position { get; } = TimeSpan.Zero;
+
+	public static TimeSpan Duration { get; } = TimeSpan.Zero;
 }

src/CommunityToolkit.Maui.SourceGenerators.Internal.UnitTests/BindablePropertyAttributeSourceGeneratorTests/BaseBindablePropertyAttributeSourceGeneratorTest.cs

@@ -23,7 +23,6 @@ sealed partial class BindablePropertyAttribute : global::System.Attribute
 		{
 			public string? PropertyName { get; }
 			public global::System.Type? DeclaringType { get; set; }
-			public object? DefaultValue { get; set; }
 			public global::Microsoft.Maui.Controls.BindingMode DefaultBindingMode { get; set; }
 			public string ValidateValueMethodName { get; set; } = string.Empty;
 			public string PropertyChangedMethodName { get; set; } = string.Empty;