core library

Classes

DefaultStreamAppBar: The default implementation of StreamAppBar.
DefaultStreamAvatar: The default implementation of StreamAvatar.
DefaultStreamAvatarGroup: The default implementation of StreamAvatarGroup.
DefaultStreamAvatarStack: The default implementation of StreamAvatarStack.
DefaultStreamBadgeCount: The default implementation of StreamBadgeCount.
DefaultStreamBadgeNotification: The default implementation of StreamBadgeNotification.
DefaultStreamBottomAppBar: The default implementation of StreamBottomAppBar.
DefaultStreamButton: Default implementation of StreamButton.
DefaultStreamCheckbox: Default implementation of StreamCheckbox.
DefaultStreamContextMenuAction<T>: Default implementation of StreamContextMenuAction.
DefaultStreamEmoji: The default implementation of StreamEmoji.
DefaultStreamEmojiButton: Default implementation of StreamEmojiButton.
DefaultStreamEmojiChip: Default implementation of StreamEmojiChip.
DefaultStreamEmojiChipBar<T>: Default implementation of StreamEmojiChipBar.
DefaultStreamErrorBadge: The default implementation of StreamErrorBadge.
DefaultStreamFileTypeIcon: The default implementation of StreamFileTypeIcon.
DefaultStreamImageSourceBadge: The default implementation of StreamImageSourceBadge.
DefaultStreamListTile: The default implementation of StreamListTile.
DefaultStreamLoadingSpinner: Default implementation of StreamLoadingSpinner.
DefaultStreamMediaViewer: The default implementation of StreamMediaViewer.
DefaultStreamNetworkImage: The default implementation of StreamNetworkImage.
DefaultStreamOnlineIndicator: The default implementation of StreamOnlineIndicator.
DefaultStreamPlaybackSpeedToggle: Default implementation of StreamPlaybackSpeedToggle.
DefaultStreamProgressBar: Default implementation of StreamProgressBar.
DefaultStreamRetryBadge: The default implementation of StreamRetryBadge.
DefaultStreamSheetHeader: The default implementation of StreamSheetHeader.
DefaultStreamSkeletonLoading: Default implementation of StreamSkeletonLoading.
DefaultStreamSnackbar: The default implementation of StreamSnackbar.
DefaultStreamStepper: Default implementation of StreamStepper.
DefaultStreamSwitch: Default implementation of StreamSwitch.
DefaultStreamTextInput: Default implementation of StreamTextInput.
HorizontalSlider: A widget that allows interactive horizontal sliding gestures.
NullableBuilder: A convenience NullableStatelessWidget that takes a builder function.
NullableState<T extends NullableStatefulWidget>: The State for a NullableStatefulWidget.
NullableStatefulWidget: A widget that has mutable state and whose NullableState.nullableBuild may return null.
NullableStatelessWidget: A StatelessWidget whose nullableBuild may return null.
StreamAppBar: A top-of-screen header for full-page surfaces in the Stream design system.
StreamAppBarProps: Properties for configuring a StreamAppBar.
StreamAppBarStyle: Visual styling properties for a StreamAppBar.
StreamAppBarTheme: Applies an app bar theme to descendant StreamAppBar widgets.
StreamAppBarThemeData: Theme data for customizing StreamAppBar widgets.
StreamAudioWaveform: A widget that displays an audio waveform.
StreamAudioWaveformSlider: A widget that displays an audio waveform and allows the user to interact with it using a slider.
StreamAudioWaveformSliderThumb: A widget that represents the thumb of the StreamAudioWaveformSlider.
StreamAudioWaveformTheme: Applies an audio waveform theme to descendant StreamAudioWaveform and StreamAudioWaveformSlider widgets.
StreamAudioWaveformThemeData: Theme data for customizing StreamAudioWaveform and StreamAudioWaveformSlider widgets.
StreamAvatar: A circular avatar component for the Stream design system.
StreamAvatarColorPair: A background/foreground color pair for avatars.
StreamAvatarGroup: A widget that displays multiple avatars in a grid layout.
StreamAvatarGroupProps: Properties for configuring a StreamAvatarGroup.
StreamAvatarProps: Properties for configuring a StreamAvatar.
StreamAvatarStack: A widget that displays a stack of StreamAvatar widgets with overlap.
StreamAvatarStackProps: Properties for configuring a StreamAvatarStack.
StreamAvatarTheme: Applies an avatar theme to descendant StreamAvatar widgets.
StreamAvatarThemeData: Theme data for customizing StreamAvatar widgets.
StreamBadgeCount: A badge component for displaying counts or labels.
StreamBadgeCountProps: Properties for configuring a StreamBadgeCount.
StreamBadgeCountTheme: Applies a badge count theme to descendant StreamBadgeCount widgets.
StreamBadgeCountThemeData: Theme data for customizing StreamBadgeCount widgets.
StreamBadgeNotification: A notification badge for displaying counts in colored pill shapes.
StreamBadgeNotificationProps: Properties for configuring a StreamBadgeNotification.
StreamBadgeNotificationTheme: Applies a badge notification theme to descendant widgets.
StreamBadgeNotificationThemeData: Theme data for customizing StreamBadgeNotification widgets.
StreamBottomAppBar: A bottom-of-screen toolbar for full-page surfaces in the Stream design system.
StreamBottomAppBarProps: Properties for configuring a StreamBottomAppBar.
StreamBottomAppBarStyle: Visual styling properties for a StreamBottomAppBar.
StreamBottomAppBarTheme: Applies a bottom app bar theme to descendant StreamBottomAppBar widgets.
StreamBottomAppBarThemeData: Theme data for customizing StreamBottomAppBar widgets.
StreamBoxShadow: Box shadow tokens for the Stream design system.
StreamBrandColor: The brand color swatch for the Stream design system.
StreamButton: A versatile button with support for multiple styles, types, and sizes.
StreamButtonProps: Properties for configuring a StreamButton.
StreamButtonTheme: Applies a button theme to descendant StreamButton widgets.
StreamButtonThemeData: Theme data for customizing StreamButton widgets.
StreamButtonThemeStyle: Visual styling properties for a single button style/type combination.
StreamButtonTypeStyle: Organizes button theme styles by StreamButtonType variant.
StreamCheckbox: A checkbox styled for the Stream design system.
StreamCheckboxProps: Properties for configuring a StreamCheckbox.
StreamCheckboxStyle: Visual styling properties for checkboxes.
StreamCheckboxTheme: Applies a checkbox theme to descendant StreamCheckbox widgets.
StreamCheckboxThemeData: Theme data for customizing StreamCheckbox widgets.
StreamChromeColor: The chrome (neutral) color swatch for the Stream design system.
StreamColors: Color and ColorSwatch constants for the Stream design system.
StreamColorScheme: A color scheme for the Stream design system.
StreamColorSwatch: A color swatch with multiple shades of a single color.
StreamColumn: A widget that displays its children in a vertical array, supporting negative spacing and collapsed (nullable) children.
StreamComponentBuilderExtension<T>: A typed builder extension for StreamComponentBuilders.
StreamComponentBuilders: A collection of builders for customizing Stream component rendering.
StreamComponentFactory: Provides component builders to descendant Stream widgets.
StreamContextMenu: A contextual menu container that displays a list of menu items.
StreamContextMenuAction<T>: A single action row in a StreamContextMenu.
StreamContextMenuActionProps<T extends Object?>: Properties for configuring a StreamContextMenuAction.
StreamContextMenuActionStyle: Visual styling properties for context menu actions.
StreamContextMenuActionTheme: Applies a context menu action theme to descendant context menu action widgets.
StreamContextMenuActionThemeData: Theme data for customizing context menu actions.
StreamContextMenuSeparator: A visual separator between groups of items in a StreamContextMenu.
StreamContextMenuStyle: Visual styling properties for the context menu container.
StreamContextMenuTheme: Applies a context menu theme to descendant context menu widgets.
StreamContextMenuThemeData: Theme data for customizing context menus.
StreamEmoji: An emoji component for the Stream design system.
StreamEmojiButton: A tappable circular button that displays an emoji or icon.
StreamEmojiButtonProps: Properties for configuring a StreamEmojiButton.
StreamEmojiButtonTheme: Applies an emoji button theme to descendant emoji button widgets.
StreamEmojiButtonThemeData: Theme data for customizing emoji button widgets.
StreamEmojiButtonThemeStyle: Visual styling properties for emoji buttons.
StreamEmojiChip: A pill-shaped chip for displaying emoji reactions with an optional count.
StreamEmojiChipBar<T>: A horizontally scrollable bar of StreamEmojiChips for filtering by reaction type.
StreamEmojiChipBarProps<T extends Object?>: Properties for configuring a StreamEmojiChipBar.
StreamEmojiChipItem<T>: A single item in a StreamEmojiChipBar.
StreamEmojiChipProps: Properties for configuring a StreamEmojiChip.
StreamEmojiChipTheme: Applies an emoji chip theme to descendant emoji chip widgets.
StreamEmojiChipThemeData: Theme data for customizing emoji chip widgets.
StreamEmojiChipThemeStyle: Visual styling properties for emoji chips.
StreamEmojiContent: The content model for an emoji rendered by StreamEmoji.
StreamEmojiData: A data class representing a single emoji entry.
StreamEmojiPickerSheet: A scrollable sheet that displays a curated set of emojis in a flat grid.
StreamEmojiProps: Properties for configuring a StreamEmoji.
StreamErrorBadge: A circular error badge that displays an exclamation mark icon.
StreamErrorBadgeProps: Properties for configuring a StreamErrorBadge.
StreamFileTypeIcon: An icon widget displaying file type with optional extension label.
StreamFileTypeIconProps: Properties for configuring a StreamFileTypeIcon.
StreamFlex: A widget that displays its children in a one-dimensional array, supporting negative spacing and collapsed (nullable) children.
StreamFontSize: Platform-aware font size scale.
StreamFontWeight: Font weight values for text.
StreamHelperText: Animated helper text with icon, driven by StreamHelperState.
StreamIconData: Identifiers for the icons.
StreamIcons: Provides customizable icons for the Stream design system.
StreamImageEmoji: A custom image emoji loaded from a URL.
StreamImageErrorPlaceholder: An error placeholder for image-sized areas.
StreamImageLoadingPlaceholder: A loading placeholder for image-sized areas.
StreamImageSourceBadge: A pill-shaped overlay badge that identifies the source of content.
StreamImageSourceBadgeProps: Properties for configuring a StreamImageSourceBadge.
StreamIntrinsicBoundedCrossAxis: Marks a child of StreamIntrinsicFlex to be measured under the parent's cross-axis ceiling instead of unbounded constraints.
StreamIntrinsicColumn: A widget that displays its children in a vertical array, shrink-wrapping its width to the widest child.
StreamIntrinsicFlex: A widget that displays its children in a one-dimensional array, shrink-wrapping its cross-axis to the widest (or tallest) child.
StreamIntrinsicRow: A widget that displays its children in a horizontal array, shrink-wrapping its height to the tallest child.
StreamIntrinsicSizeCandidate: Marks a child of StreamIntrinsicFlex as a cross-axis size candidate.
StreamLineHeight: Line height values for text.
StreamListTile: A single fixed-height row inspired by Flutter's ListTile, adapted for the Stream design system.
StreamListTileContainer: The container for a StreamListTile that provides background, shape, ink effects, semantics, and content padding.
StreamListTileProps: Properties for configuring a StreamListTile.
StreamListTileTheme: Applies a list tile theme to descendant StreamListTile widgets.
StreamListTileThemeData: Theme data for customizing StreamListTile widgets.
StreamLoadingSpinner: A circular progress indicator styled for the Stream design system.
StreamLoadingSpinnerProps: Properties for configuring a StreamLoadingSpinner.
StreamMediaBadge
StreamMediaViewer: A full-screen surface for browsing media (images, videos, etc.).
StreamMediaViewerProps: Properties for configuring a StreamMediaViewer.
StreamMediaViewerTheme: Applies a media viewer theme to descendant StreamMediaViewers.
StreamMediaViewerThemeData: Visual styling properties for StreamMediaViewer.
StreamNetworkImage: A network image component with automatic caching, error handling, and tap-to-reload support.
StreamNetworkImageProps: Properties for configuring a StreamNetworkImage.
StreamOnlineIndicator: A circular indicator showing online/offline presence status.
StreamOnlineIndicatorProps: Properties for configuring a StreamOnlineIndicator.
StreamOnlineIndicatorTheme: Applies an online indicator theme to descendant StreamOnlineIndicator widgets.
StreamOnlineIndicatorThemeData: Theme data for customizing StreamOnlineIndicator widgets.
StreamPlaybackSpeedToggle: A pill-shaped toggle button for displaying and cycling playback speed.
StreamPlaybackSpeedToggleProps: Properties for configuring a StreamPlaybackSpeedToggle.
StreamPlaybackSpeedToggleStyle: Visual styling properties for a StreamPlaybackSpeedToggle.
StreamPlaybackSpeedToggleTheme: Applies a playback speed toggle theme to descendant widgets.
StreamPlaybackSpeedToggleThemeData: Theme data for customizing playback speed toggle widgets.
StreamProgressBar: A linear progress indicator styled for the Stream design system.
StreamProgressBarProps: Properties for configuring a StreamProgressBar.
StreamProgressBarStyle: Visual styling properties for progress bars.
StreamProgressBarTheme: Applies a progress bar theme to descendant StreamProgressBar widgets.
StreamProgressBarThemeData: Theme data for customizing StreamProgressBar widgets.
StreamRadius: Border radius primitives for the Stream design system.
StreamRemoveControl: A small circular "remove" badge typically overlaid on top of an attachment preview.
StreamRetryBadge: A circular retry badge that displays a clockwise arrow icon.
StreamRetryBadgeProps: Properties for configuring a StreamRetryBadge.
StreamRow: A widget that displays its children in a horizontal array, supporting negative spacing and collapsed (nullable) children.
StreamSheet: The visual chrome of a Stream-styled sheet.
StreamSheetDragHandle: The visual drag handle drawn at the top of a Stream-styled sheet.
StreamSheetHeader: A header for bottom sheets, modals, and dialogs in the Stream design system.
StreamSheetHeaderProps: Properties for configuring a StreamSheetHeader.
StreamSheetHeaderStyle: Visual styling properties for a StreamSheetHeader.
StreamSheetHeaderTheme: Applies a sheet header theme to descendant StreamSheetHeader widgets.
StreamSheetHeaderThemeData: Theme data for customizing StreamSheetHeader widgets.
StreamSheetRoute<T>: Modal route for a Stream-styled sheet.
StreamSheetTheme: Applies a sheet theme to descendant StreamSheet widgets and StreamSheetDragHandles.
StreamSheetThemeData: Defines default property values for StreamSheet (and modal sheets opened via showStreamSheet).
StreamSheetTransition: Slide-up transition used by StreamSheetRoute.
StreamSkeletonBox: A simple shaped placeholder box intended for use inside a StreamSkeletonLoading.
StreamSkeletonLoading: A skeleton shimmer loading component.
StreamSkeletonLoadingProps: Properties for configuring a StreamSkeletonLoading.
StreamSkeletonLoadingTheme: Applies a skeleton loading theme to descendant StreamSkeletonLoading widgets.
StreamSkeletonLoadingThemeData: Theme data for customizing StreamSkeletonLoading widgets.
StreamSnackbar: A transient, pill-shaped feedback container.
StreamSnackbarAction: An action button rendered at the trailing end of a StreamSnackbar.
StreamSnackbarController: Handle to a snackbar that has been enqueued or is currently visible.
StreamSnackbarHost: An inline render slot for snackbars from a StreamSnackbarMessenger.
StreamSnackbarMessenger: Imperative owner of a snackbar queue.
StreamSnackbarPopup: An anchored render slot that floats snackbars next to a child.
StreamSnackbarProps: Properties for configuring a StreamSnackbar.
StreamSnackbarScope: Wraps a subtree with a managed StreamSnackbarMessenger and renders the current snackbar at the bottom of itself.
StreamSnackbarStyle: Visual styling properties for a StreamSnackbar.
StreamSnackbarTheme: Applies a snackbar theme to descendant StreamSnackbar widgets.
StreamSnackbarThemeData: Theme data for customizing StreamSnackbar widgets.
StreamSpacing: Spacing primitives for the Stream design system.
StreamStepper: A numeric stepper control styled for the Stream design system.
StreamStepperProps: Properties for configuring a StreamStepper.
StreamStepperStyle: Visual styling properties for StreamStepper.
StreamStepperTheme: Applies a stepper theme to descendant StreamStepper widgets.
StreamStepperThemeData: Theme data for customizing StreamStepper widgets.
StreamSvgIconData: Colored SVG icon data constants.
StreamSwitch: A switch styled for the Stream design system.
StreamSwitchProps: Properties for configuring a StreamSwitch.
StreamSwitchStyle: Visual styling properties for switches.
StreamSwitchTheme: Applies a switch theme to descendant StreamSwitch widgets.
StreamSwitchThemeData: Theme data for customizing StreamSwitch widgets.
StreamTapTargetPadding: A widget that enlarges the tap target around its child to at least minSize, without changing the child's own size, position, or visual appearance.
StreamTextInput: A text input styled for the Stream design system.
StreamTextInputProps: Properties for configuring a StreamTextInput.
StreamTextInputStyle: Visual styling properties for StreamTextInput.
StreamTextInputTheme: Applies a text input theme to descendant StreamTextInput widgets.
StreamTextInputThemeData: Theme data for customizing StreamTextInput widgets.
StreamTextTheme: Semantic text theme for the Stream design system.
StreamTheme: The main theme configuration for Stream design system.
StreamToolbar: Three-slot horizontal layout shared by StreamAppBar, StreamBottomAppBar, and StreamSheetHeader.
StreamTypography: Typography primitives for the Stream design system.
StreamUnicodeEmoji: A native Unicode emoji character (e.g. '👍').
StreamVideoPlayIndicator: A circular play/pause indicator for video content.
SvgIcon: A icon widget drawn from a provided SVG asset described in an SvgIconData.
SvgIconData: A description of an svg icon.
SvgIconDataProperty: DiagnosticsProperty that has an SvgIconData as value.

Enums

MediaBadgeDurationFormat: Controls how a duration value is formatted inside StreamMediaBadge.
MediaBadgeType
StreamAvatarGroupSize: Predefined avatar group sizes.
StreamAvatarSize: Predefined avatar sizes for the Stream design system.
StreamAvatarStackSize: Predefined avatar stack sizes.
StreamBadgeCountSize: Predefined sizes for the badge count indicator.
StreamBadgeNotificationSize: Predefined sizes for the badge notification indicator.
StreamBadgeNotificationType: The visual type of a StreamBadgeNotification.
StreamButtonSize: Predefined sizes for StreamButton.
StreamButtonStyle: The color scheme variant for a StreamButton.
StreamButtonType: The visual weight variant for a StreamButton.
StreamCheckboxSize: Predefined sizes for StreamCheckbox.
StreamEmojiButtonSize: Predefined sizes for the emoji button.
StreamEmojiSize: Predefined sizes for emoji display.
StreamErrorBadgeSize: Predefined sizes for StreamErrorBadge.
StreamFileType: Supported file types for the file type icon.
StreamFileTypeIconSize: Predefined sizes for the file type icon.
StreamHelperState: The state of helper text, driving the icon and color.
StreamLoadingSpinnerSize: Predefined sizes for StreamLoadingSpinner.
StreamOnlineIndicatorSize: Predefined sizes for the online indicator.
StreamPlaybackSpeed: Predefined playback speed values for StreamPlaybackSpeedToggle.
StreamRetryBadgeSize: Predefined sizes for StreamRetryBadge.
StreamSnackbarClosedReason: The reason a StreamSnackbar was closed.
StreamSnackbarPopupPlacement: Where the snackbar is positioned relative to its StreamSnackbarPopup anchor.
StreamSnackbarVariant: Variants of StreamSnackbar.
StreamVideoPlayIndicatorSize: Predefined sizes for StreamVideoPlayIndicator.
StreamVisibility: Controls the visibility and layout participation of a widget slot.

Mixins

WidgetStateUtils: Utility methods for building WidgetStateProperty values from simple parameters.

Extensions

StreamComponentFactoryExtension on BuildContext: Extension on BuildContext for convenient access to StreamComponentBuilders.
StreamThemeExtension on BuildContext: Extension on BuildContext for convenient access to StreamTheme.

Constants

kStreamToolbarHeight → const double: Default height of StreamAppBar, StreamBottomAppBar, and StreamSheetHeader per the Stream design system.
streamSupportedEmojis → const Map<String, StreamEmojiData>: A curated map of commonly used emojis, keyed by short name.

Functions

showStreamSheet<T>({required BuildContext context, required StreamSheetScrollableWidgetBuilder builder, Color? backgroundColor, Color? barrierColor, String? barrierLabel, ShapeBorder? shape, BorderRadiusGeometry? borderRadius, BoxConstraints? constraints, double? elevation, Clip? clipBehavior, bool enableDrag = true, bool isDismissible = false, bool? showDragHandle, bool useNestedNavigation = false, bool useRootNavigator = false, bool? requestFocus, Offset? anchorPoint, StreamSheetDragStartCallback? onDragStart, StreamSheetDragEndCallback? onDragEnd, RouteSettings? settings}) → Future<T?>: Shows a Stream-styled modal sheet that slides up from the bottom of the screen.

Typedefs

StreamComponentBuilder<T> = Widget Function(BuildContext context, T props): A function type that builds a widget from a BuildContext and typed props.
StreamNetworkImageErrorBuilder = Widget Function(BuildContext context, Object error, VoidCallback? retry): Signature for a function that builds an error widget when a StreamNetworkImage fails to load.
StreamNetworkImagePlaceholderBuilder = WidgetBuilder: Signature for a function that builds a placeholder widget while a StreamNetworkImage is loading.
StreamSheetDragEndCallback = void Function(DragEndDetails details, {required bool isClosing}): Called when the user stops dragging a StreamSheetRoute.
StreamSheetDragStartCallback = void Function(DragStartDetails details): Called when the user begins dragging a StreamSheetRoute.
StreamSheetScrollableWidgetBuilder = Widget Function(BuildContext context, ScrollController scrollController): Signature for a builder that takes a BuildContext and a ScrollController to build a scrollable widget inside a StreamSheetRoute.

Classes

Enums

Mixins

Extensions

Constants

Functions

Typedefs

stream_core_flutter package

core library