Class Index

These are the API classes. See all API packages.

A B C D E F H I L M N P R S T

A

AppBarLayout	AppBarLayout is a vertical `LinearLayout` which implements many of the features of material designs app bar concept, namely scrolling gestures.
AppBarLayout.BaseBehavior<T extends AppBarLayout>	The default `AppBarLayout.Behavior` for `AppBarLayout`.
AppBarLayout.BaseBehavior.BaseDragCallback<T extends AppBarLayout>	Callback to allow control over any `AppBarLayout` dragging.
AppBarLayout.BaseBehavior.SavedState	A `Parcelable` implementation for `AppBarLayout`.
AppBarLayout.BaseOnOffsetChangedListener<T extends AppBarLayout>	Interface definition for a callback to be invoked when an `AppBarLayout`'s vertical offset changes.
AppBarLayout.Behavior	The default `AppBarLayout.Behavior` for `AppBarLayout`.
AppBarLayout.Behavior.DragCallback	Callback to allow control over any `AppBarLayout` dragging.
AppBarLayout.LayoutParams	A `ViewGroup.LayoutParams` implementation for `AppBarLayout`.
AppBarLayout.OnOffsetChangedListener	Interface definition for a callback to be invoked when an `AppBarLayout`'s vertical offset changes.
AppBarLayout.ScrollingViewBehavior	Behavior which should be used by `View`s which can scroll vertically and support nested scrolling to automatically scroll any `AppBarLayout` siblings.
ArgbEvaluatorCompat	This evaluator can be used to perform type interpolation between integer values that represent ARGB colors.

B

BadgeDrawable	BadgeDrawable contains all the layout and draw logic for a badge.
BadgeDrawable.SavedState	A `Parcelable` implementation used to ensure the state of BadgeDrawable is saved.
BaseTransientBottomBar<B extends BaseTransientBottomBar<B>>	Base class for lightweight transient bars that are displayed along the bottom edge of the application window.
BaseTransientBottomBar.AnimationMode	Animation modes that can be set on the `BaseTransientBottomBar`.
BaseTransientBottomBar.BaseCallback<B>	Base class for `BaseTransientBottomBar` callbacks.
BaseTransientBottomBar.Behavior	Behavior for `BaseTransientBottomBar`.
BaseTransientBottomBar.ContentViewCallback	This interface is deprecated. Use `ContentViewCallback` instead.
BottomAppBar	The Bottom App Bar is an extension of Toolbar that supports a shaped background that "cradles" an attached `FloatingActionButton`.
BottomAppBar.Behavior	Behavior designed for use with `BottomAppBar` instances.
BottomAppBar.FabAlignmentMode	The fabAlignmentMode determines the horizontal positioning of the cradle and the FAB which can be centered or aligned to the end.
BottomAppBar.FabAnimationMode	The fabAnimationMode determines the animation used to move the FAB between different alignment modes.
BottomAppBarTopEdgeTreatment	Top edge treatment for the bottom app bar which "cradles" a circular `FloatingActionButton`.
BottomNavigationView	Represents a standard bottom navigation bar for application.
BottomNavigationView.OnNavigationItemReselectedListener	Listener for handling reselection events on bottom navigation items.
BottomNavigationView.OnNavigationItemSelectedListener	Listener for handling selection events on bottom navigation items.
BottomSheetBehavior<V extends View>	An interaction behavior plugin for a child view of `CoordinatorLayout` to make it work as a bottom sheet.
BottomSheetBehavior.BottomSheetCallback	Callback for monitoring events about bottom sheets.
BottomSheetBehavior.SavedState	State persisted across instances
BottomSheetDialog	Base class for `Dialog`s styled as a bottom sheet.
BottomSheetDialogFragment	Modal bottom sheet.

C

CalendarBounds	Used to limit the display range of MaterialCalendar and set a starting Month.
ChildrenAlphaProperty	A Property for the alpha of a ViewGroup's children.
Chip	Chips are compact elements that represent an attribute, text, entity, or action.
ChipDrawable	ChipDrawable contains all the layout and draw logic for `Chip`.
ChipDrawable.Delegate	Delegate interface to be implemented by Views that own a ChipDrawable.
ChipGroup	A ChipGroup is used to hold multiple `Chip`s.
ChipGroup.LayoutParams	{@link ChipGroup.LayoutParams for {@link ChipGroup}.
ChipGroup.OnCheckedChangeListener	Interface definition for a callback to be invoked when the checked chip changed in this group.
CircularRevealCardView	A CircularRevealWidget wrapper for `MaterialCardView`.
CircularRevealCompat	Defines compat implementations of circular reveal animations.
CircularRevealCoordinatorLayout	A CircularRevealWidget wrapper for `CoordinatorLayout`.
CircularRevealFrameLayout	A CircularRevealWidget wrapper for `FrameLayout`.
CircularRevealGridLayout	A CircularRevealWidget wrapper for `GridLayout`.
CircularRevealHelper	Helper class to implement circular reveal functionality.
CircularRevealHelper.Strategy	Which strategy this view should use to create the circular reveal effect.
CircularRevealLinearLayout	A CircularRevealWidget wrapper for `LinearLayout`.
CircularRevealRelativeLayout	A CircularRevealWidget wrapper for `RelativeLayout`.
CircularRevealWidget	Interface which denotes that a `View` supports a circular clip and scrim color, even for pre-L APIs.
CircularRevealWidget.CircularRevealEvaluator	A `TypeEvaluator` that performs type interpolation between two `CircularRevealWidget.RevealInfo`s.
CircularRevealWidget.CircularRevealProperty	A Property wrapper around the compound `circularReveal` functionality on a `CircularRevealWidget`.
CircularRevealWidget.CircularRevealScrimColorProperty	A Property wrapper around the `circularRevealScrimColor` functionality on a `CircularRevealWidget`.
CircularRevealWidget.RevealInfo	RevealInfo holds three values for a circular reveal.
CollapsingToolbarLayout	CollapsingToolbarLayout is a wrapper for `Toolbar` which implements a collapsing app bar.
CollapsingToolbarLayout.LayoutParams
ContentViewCallback	Interface that defines the behavior of the main content of a transient bottom bar.
CornerFamily	CornerFamily enum that holds which family to be used to create a `CornerTreatment` The corner family determines which family to use to create a `CornerTreatment`.
CornerTreatment	A basic corner treatment (a single point which does not affect the shape).
CutCornerTreatment	A corner treatment which cuts or clips the original corner of a shape with a straight line.

D

DrawableAlphaProperty Compat property for getAlpha() and setAlpha(int) for pre-K devices.

E

EdgeTreatment	A basic edge treatment (a single straight line).
ElevationOverlayProvider	Utility for calculating elevation overlay alpha values and colors.
ExpandableBehavior	Base Behavior for views that can react to an `ExpandableWidget`'s `setExpanded(boolean)` state changes.
ExpandableTransformationBehavior	Base Behavior for views that can react to an `ExpandableWidget`'s `setExpanded(boolean)` state changes by transforming the ExpandableWidget into itself.
ExpandableTransformationWidget	An ExpandableWidget that visually transforms into another component when expanded.
ExpandableWidget	A widget that has expanded/collapsed state.
ExpandableWidgetHelper	ExpandableWidgetHelper is a helper class for writing custom `ExpandableWidget`s and `ExpandableTransformationWidget`.
ExtendableSavedState	SavedState for widgets that want to save and restore their own state in `onSaveInstanceState()`.
ExtendedFloatingActionButton	Extended floating action buttons are used for a special type of promoted action.
ExtendedFloatingActionButton.ExtendedFloatingActionButtonBehavior<T extends ExtendedFloatingActionButton>	Behavior designed for use with `ExtendedFloatingActionButton` instances.
ExtendedFloatingActionButton.OnChangedListener	Callback to be invoked when the visibility or the state of an ExtendedFloatingActionButton changes.

F

FabTransformationBehavior	Abstract base behavior for any non-scrim view that should appear when a `FloatingActionButton` is `setExpanded(boolean)` expanded}.
FabTransformationBehavior.FabTransformationSpec	Motion spec for a FAB transformation.
FabTransformationScrimBehavior	Behavior that should be attached to a scrim that should appear when a `FloatingActionButton` is `setExpanded(boolean)` expanded}.
FabTransformationSheetBehavior	Behavior that should be attached to any sheet that should appear when a `FloatingActionButton` is `setExpanded(boolean)` expanded}.
FloatingActionButton	Floating action buttons are used for a special type of promoted action.
FloatingActionButton.BaseBehavior<T extends FloatingActionButton>	Behavior designed for use with `FloatingActionButton` instances.
FloatingActionButton.Behavior	Behavior designed for use with `FloatingActionButton` instances.
FloatingActionButton.OnVisibilityChangedListener	Callback to be invoked when the visibility of a FloatingActionButton changes.

H

HideBottomViewOnScrollBehavior<V extends View> The CoordinatorLayout.Behavior for a View within a CoordinatorLayout to hide the view off the bottom of the screen when scrolling down, and show it when scrolling up.

I

ImageMatrixProperty	Property wrapper for `getImageMatrix()` and `setImageMatrix(Matrix)`.
InterpolateOnScrollPositionChangeHelper	Helper class to handle shape interpolation when shaped views enter or exit the window.

L

LabelVisibilityMode Label visibility mode enum for bottom navigation.

M

MaterialAlertDialogBuilder	An extension of `AlertDialog.Builder` for use with a Material theme (e.g., Theme.MaterialComponents).
MaterialButton	A convenience class for creating a new Material button.
MaterialButton.IconGravity	Positions the icon can be set to.
MaterialButton.OnCheckedChangeListener	Interface definition for a callback to be invoked when the button checked state changes.
MaterialButtonToggleGroup	A common container for a set of related, toggleable `MaterialButton`s.
MaterialButtonToggleGroup.OnButtonCheckedListener	Interface definition for a callback to be invoked when a `MaterialButton` is checked or unchecked in this group.
MaterialCardView	Provides a Material card.
MaterialCardView.OnCheckedChangeListener	Interface definition for a callback to be invoked when the card checked state changes.
MaterialCheckBox	A class that creates a Material Themed CheckBox.
MaterialComponentsViewInflater	An extension of `AppCompatViewInflater` that replaces some framework widgets with Material Components ones at inflation time, provided a Material Components theme is in use.
MaterialRadioButton	A class that creates a Material Themed RadioButton.
MaterialShapeDrawable	Base drawable class for Material Shapes that handles shadows, elevation, scale and color for a generated path.
MaterialShapeDrawable.CompatibilityShadowMode	Determines when compatibility shadow is drawn vs.
MaterialToolbar	`MaterialToolbar` is a `Toolbar` that implements certain Material features, such as elevation overlays for Dark Themes.
MathUtils	A class that contains utility methods related to numbers.
MatrixEvaluator	Type evaluator for `Matrix` interpolation.
MotionSpec	A motion spec contains multiple named `motion timings`.
MotionTiming	A representation of timing for an animation.

N

NavigationView	Represents a standard navigation menu for application.
NavigationView.OnNavigationItemSelectedListener	Listener for handling events on navigation items.
NavigationView.SavedState	User interface state that is stored by NavigationView for implementing onSaveInstanceState().

P

Positioning A representation of the positioning of a view relative to another.

R

R
R.anim
R.animator
R.attr
R.bool
R.color
R.dimen
R.drawable
R.id
R.integer
R.interpolator
R.layout
R.plurals
R.string
R.style
R.styleable
RoundedCornerTreatment	A corner treatment which rounds a corner of a shape.

S

ShadowDrawableWrapper	A `Drawable` which wraps another drawable and draws a shadow around it.
ShadowViewDelegate	Delegate interface that can be used to facilitate rendering of shadows pre-lollipop.
Shapeable	Provides a mechanism to uniformly modify the `ShapeAppearanceModel` that backs a `MaterialShapeDrawable`.
ShapeAppearanceModel	This class models the edges and corners of a shape, which are used by `MaterialShapeDrawable` to generate and render the shape for a view's background.
ShapeAppearanceModel.OnChangedListener	Listener called every time a `ShapeAppearanceModel` corner or edge is modified and notifies the `MaterialShapeDrawable` that the shape has changed so that it can invalidate itself.
ShapePath	Represents the descriptive path of a shape.
ShapePath.PathArcOperation	Path arc operation.
ShapePath.PathLineOperation	Straight line operation.
ShapePath.PathOperation	Interface for a path operation to be appended to the operations list.
ShapePath.PathQuadOperation	Path quad operation.
ShapePathModel	This class is deprecated. Use `ShapeAppearanceModel` instead.
Snackbar	Snackbars provide lightweight feedback about an operation.
Snackbar.Callback	Callback class for `Snackbar` instances.
SwipeDismissBehavior<V extends View>	An interaction behavior plugin for child views of `CoordinatorLayout` to provide support for the 'swipe-to-dismiss' gesture.
SwipeDismissBehavior.OnDismissListener	Callback interface used to notify the application that the view has been dismissed.
SwitchMaterial	A class that creates a Material Themed Switch.

T

TabItem	TabItem is a special 'view' which allows you to declare tab items for a `TabLayout` within a layout.
TabLayout	TabLayout provides a horizontal layout to display tabs.
TabLayout.BaseOnTabSelectedListener<T extends TabLayout.Tab>	Callback interface invoked when a tab's selection state changes.
TabLayout.OnTabSelectedListener	Callback interface invoked when a tab's selection state changes.
TabLayout.Tab	A tab in this layout.
TabLayout.TabLayoutOnPageChangeListener	A `ViewPager.OnPageChangeListener` class which contains the necessary calls back to the provided `TabLayout` so that the tab position is kept in sync.
TabLayout.ViewPagerOnTabSelectedListener	A `TabLayout.OnTabSelectedListener` class which contains the necessary calls back to the provided `ViewPager` so that the tab position is kept in sync.
TextAppearanceConfig	Utility for configuring TextAppearance.
TextInputEditText	A special sub-class of `EditText` designed for use as a child of `TextInputLayout`.
TextInputLayout	Layout which wraps a `TextInputEditText`, `EditText`, or descendant to show a floating label when the hint is hidden while the user inputs text.
TextInputLayout.AccessibilityDelegate	An AccessibilityDelegate intended to be set on an `EditText` or `TextInputEditText` with {@link TextInputLayout#setTextInputAccessibilityDelegate(TextInputLayout.AccessibilityDelegate) to provide attributes for accessibility that are managed by {@link TextInputLayout}.
TextInputLayout.BoxBackgroundMode	Values for box background mode.
TextInputLayout.EndIconMode	Values for the end icon mode.
TextInputLayout.OnEditTextAttachedListener	Callback interface invoked when the view's `EditText` is attached, or from `addOnEditTextAttachedListener(OnEditTextAttachedListener)` if the edit text is already present.
TextInputLayout.OnEndIconChangedListener	Callback interface invoked when the view's end icon changes.
TransformationChildCard	CardView layout for views that can react to an `ExpandableWidget`'s `setExpanded(boolean)` state changes by transforming the ExpandableWidget into itself.
TransformationChildLayout	Wrapper layout for views that can react to an `ExpandableWidget`'s `setExpanded(boolean)` state changes by transforming the ExpandableWidget into itself.
TransformationListener<T extends View>	Callback to be invoked when the view undergoes a transformation (e.g., translation or scale).
TriangleEdgeTreatment	An edge treatment which draws triangles at the midpoint of an edge, facing into or out of the shape.

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2018	2019	2020