ZoomButton

Public constructors
`ZoomButton(Context context)`
`ZoomButton(Context context, AttributeSet attrs)`
`ZoomButton(Context context, AttributeSet attrs, int defStyleAttr)`
`ZoomButton(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)`

Public methods
`boolean`	`dispatchUnhandledMove(View focused, int direction)` This method is the last chance for the focused view and its ancestors to respond to an arrow key.
`CharSequence`	`getAccessibilityClassName()` Return the class name of this object to be used for accessibility purposes.
`boolean`	`onKeyUp(int keyCode, KeyEvent event)` Default implementation of `KeyEvent.Callback.onKeyUp()`: perform clicking of the view when `KEYCODE_DPAD_CENTER`, `KEYCODE_ENTER` or `KEYCODE_SPACE` is released.
`boolean`	`onLongClick(View v)` Called when a view has been clicked and held.
`boolean`	`onTouchEvent(MotionEvent event)` Implement this method to handle touch screen motion events.
`void`	`setEnabled(boolean enabled)` Set the enabled state of this view.
`void`	`setZoomSpeed(long speed)`


      addChildrenForAccessibility(ArrayList<View> outChildren)

Adds the children of this View relevant for accessibility to the given list as output.


      addFocusables(ArrayList<View> views, int direction)

Add any focusable views that are descendants of this view (possibly including this view if it is focusable itself) to views.


      addFocusables(ArrayList<View> views, int direction, int focusableMode)

Adds any focusable views that are descendants of this view (possibly including this view if it is focusable itself) to views.


      addOnAttachStateChangeListener(View.OnAttachStateChangeListener listener)

Add a listener for attach state changes.


      addOnLayoutChangeListener(View.OnLayoutChangeListener listener)

Add a listener that will be called when the bounds of the view change due to layout processing.


      addTouchables(ArrayList<View> views)

Add any touchable views that are descendants of this view (possibly including this view if it is touchable itself) to views.


        
        
        
        
        
        ViewPropertyAnimator


      animate()

This method returns a ViewPropertyAnimator object, which can be used to animate specific properties on this View.


      announceForAccessibility(CharSequence text)

Convenience method for sending a TYPE_ANNOUNCEMENT AccessibilityEvent to make an announcement which is related to some sort of a context change for which none of the events representing UI transitions is a good fit.


      awakenScrollBars(int startDelay, boolean invalidate)

Trigger the scrollbars to draw.


      awakenScrollBars(int startDelay)

Trigger the scrollbars to draw.


      awakenScrollBars()

Trigger the scrollbars to draw.


      bringToFront()

Change the view's z order in the tree, so it's on top of other sibling views.


      buildDrawingCache(boolean autoScale)

Forces the drawing cache to be built if the drawing cache is invalid.


      buildDrawingCache()

Calling this method is equivalent to calling buildDrawingCache(false).


      buildLayer()

Forces this view's layer to be created and this view to be rendered into its layer.


      callOnClick()

Directly call any attached OnClickListener.


      canResolveLayoutDirection()

Check if layout direction resolution can be done.


      canResolveTextAlignment()

Check if text alignment resolution can be done.


      canResolveTextDirection()

Check if text direction resolution can be done.


      canScrollHorizontally(int direction)

Check if this view can be scrolled horizontally in a certain direction.


      canScrollVertically(int direction)

Check if this view can be scrolled vertically in a certain direction.


      cancelDragAndDrop()

Cancels an ongoing drag and drop operation.


      cancelLongPress()

Cancels a pending long press.


      cancelPendingInputEvents()

Cancel any deferred high-level input events that were previously posted to the event queue.


      checkInputConnectionProxy(View view)

Called by the InputMethodManager when a view who is not the current input connection target is trying to make a call on the manager.


      clearAnimation()

Cancels any animations for this view.


      clearFocus()

Called when this view wants to give up focus.


      combineMeasuredStates(int curState, int newState)

Merge two states as returned by getMeasuredState().

int


      computeHorizontalScrollExtent()

Compute the horizontal extent of the horizontal scrollbar's thumb within the horizontal range.

int


      computeHorizontalScrollOffset()

Compute the horizontal offset of the horizontal scrollbar's thumb within the horizontal range.

int


      computeHorizontalScrollRange()

Compute the horizontal range that the horizontal scrollbar represents.


      computeScroll()

Called by a parent to request that a child update its values for mScrollX and mScrollY if necessary.


        
        
        
        
        
        WindowInsets


      computeSystemWindowInsets(WindowInsets in, Rect outLocalInsets)

Compute insets that should be consumed by this view and the ones that should propagate to those under it.

int


      computeVerticalScrollExtent()

Compute the vertical extent of the vertical scrollbar's thumb within the vertical range.

int


      computeVerticalScrollOffset()

Compute the vertical offset of the vertical scrollbar's thumb within the horizontal range.

int


      computeVerticalScrollRange()

Compute the vertical range that the vertical scrollbar represents.


        
        
        
        
        
        AccessibilityNodeInfo


      createAccessibilityNodeInfo()

Returns an AccessibilityNodeInfo representing this view from the point of view of an AccessibilityService.


      createContextMenu(ContextMenu menu)

Show the context menu for this view.


      destroyDrawingCache()

Frees the resources used by the drawing cache.


        
        
        
        
        
        WindowInsets


      dispatchApplyWindowInsets(WindowInsets insets)

Request to apply the given window insets to this view or another view in its subtree.


      dispatchConfigurationChanged(Configuration newConfig)

Dispatch a notification about a resource configuration change down the view hierarchy.


      dispatchDisplayHint(int hint)

Dispatch a hint about whether this view is displayed.


      dispatchDragEvent(DragEvent event)

Detects if this View is enabled and has a drag event listener.


      dispatchDraw(Canvas canvas)

Called by draw to draw the child views.


      dispatchDrawableHotspotChanged(float x, float y)

Dispatches drawableHotspotChanged to all of this View's children.


      dispatchFinishTemporaryDetach()

Dispatch onFinishTemporaryDetach() to this View and its direct children if this is a container View.


      dispatchGenericFocusedEvent(MotionEvent event)

Dispatch a generic motion event to the currently focused view.


      dispatchGenericMotionEvent(MotionEvent event)

Dispatch a generic motion event.


      dispatchGenericPointerEvent(MotionEvent event)

Dispatch a generic motion event to the view under the first pointer.


      dispatchHoverEvent(MotionEvent event)

Dispatch a hover event.


      dispatchKeyEvent(KeyEvent event)

Dispatch a key event to the next view on the focus path.


      dispatchKeyEventPreIme(KeyEvent event)

Dispatch a key event before it is processed by any input method associated with the view hierarchy.


      dispatchKeyShortcutEvent(KeyEvent event)

Dispatches a key shortcut event.


      dispatchNestedFling(float velocityX, float velocityY, boolean consumed)

Dispatch a fling to a nested scrolling parent.


      dispatchNestedPreFling(float velocityX, float velocityY)

Dispatch a fling to a nested scrolling parent before it is processed by this view.


      dispatchNestedPrePerformAccessibilityAction(int action, Bundle arguments)

Report an accessibility action to this view's parents for delegated processing.


      dispatchNestedPreScroll(int dx, int dy, int[] consumed, int[] offsetInWindow)

Dispatch one step of a nested scroll in progress before this view consumes any portion of it.


      dispatchNestedScroll(int dxConsumed, int dyConsumed, int dxUnconsumed, int dyUnconsumed, int[] offsetInWindow)

Dispatch one step of a nested scroll in progress.


      dispatchPopulateAccessibilityEvent(AccessibilityEvent event)

Dispatches an AccessibilityEvent to the View first and then to its children for adding their text content to the event.


      dispatchProvideStructure(ViewStructure structure)

Dispatch creation of ViewStructure down the hierarchy.


      dispatchRestoreInstanceState(SparseArray<Parcelable> container)

Called by restoreHierarchyState(android.util.SparseArray) to retrieve the state for this view and its children.


      dispatchSaveInstanceState(SparseArray<Parcelable> container)

Called by saveHierarchyState(android.util.SparseArray) to store the state for this view and its children.


      dispatchSetActivated(boolean activated)

Dispatch setActivated to all of this View's children.


      dispatchSetPressed(boolean pressed)

Dispatch setPressed to all of this View's children.


      dispatchSetSelected(boolean selected)

Dispatch setSelected to all of this View's children.


      dispatchStartTemporaryDetach()

Dispatch onStartTemporaryDetach() to this View and its direct children if this is a container View.


      dispatchSystemUiVisibilityChanged(int visibility)

Dispatch callbacks to setOnSystemUiVisibilityChangeListener(View.OnSystemUiVisibilityChangeListener) down the view hierarchy.


      dispatchTouchEvent(MotionEvent event)

Pass the touch screen motion event down to the target view, or this view if it is the target.


      dispatchTrackballEvent(MotionEvent event)

Pass a trackball motion event down to the focused view.


      dispatchUnhandledMove(View focused, int direction)

This method is the last chance for the focused view and its ancestors to respond to an arrow key.


      dispatchVisibilityChanged(View changedView, int visibility)

Dispatch a view visibility change down the view hierarchy.


      dispatchWindowFocusChanged(boolean hasFocus)

Called when the window containing this view gains or loses window focus.


      dispatchWindowSystemUiVisiblityChanged(int visible)

Dispatch callbacks to onWindowSystemUiVisibilityChanged(int) down the view hierarchy.


      dispatchWindowVisibilityChanged(int visibility)

Dispatch a window visibility change down the view hierarchy.


      draw(Canvas canvas)

Manually render this view (and all of its children) to the given Canvas.


      drawableHotspotChanged(float x, float y)

This function is called whenever the view hotspot changes and needs to be propagated to drawables or child views managed by the view.


      drawableStateChanged()

This function is called whenever the state of the view changes in such a way that it impacts the state of drawables being shown.


      findFocus()

Find the view in the hierarchy rooted at this view that currently has focus.


      findViewById(int id)

Look for a child view with the given id.


      findViewWithTag(Object tag)

Look for a child view with the given tag.


      findViewsWithText(ArrayList<View> outViews, CharSequence searched, int flags)

Finds the Views that contain given text.


      fitSystemWindows(Rect insets)

This method was deprecated in API level 20. As of API 20 use dispatchApplyWindowInsets(WindowInsets) to apply insets to views. Views should override onApplyWindowInsets(WindowInsets) or use setOnApplyWindowInsetsListener(android.view.View.OnApplyWindowInsetsListener) to implement handling their own insets.


      focusSearch(int direction)

Find the nearest view in the specified direction that can take focus.


      forceHasOverlappingRendering(boolean hasOverlappingRendering)

Sets the behavior for overlapping rendering for this view (see hasOverlappingRendering() for more details on this behavior).


      forceLayout()

Forces this view to be laid out during the next layout pass.


      generateViewId()

Generate a value suitable for use in setId(int).


        
        
        
        
        
        CharSequence


      getAccessibilityClassName()

Return the class name of this object to be used for accessibility purposes.

int


      getAccessibilityLiveRegion()

Gets the live region mode for this View.


        
        
        
        
        
        AccessibilityNodeProvider


      getAccessibilityNodeProvider()

Gets the provider for managing a virtual view hierarchy rooted at this View and reported to AccessibilityServices that explore the window content.

int


      getAccessibilityTraversalAfter()

Gets the id of a view after which this one is visited in accessibility traversal.

int


      getAccessibilityTraversalBefore()

Gets the id of a view before which this one is visited in accessibility traversal.


      getAlpha()

The opacity of the view.


      getAnimation()

Get the animation currently associated with this view.


      getApplicationWindowToken()

Retrieve a unique token identifying the top-level "real" window of the window that this view is attached to.


      getBackground()

Gets the background drawable


        
        
        
        
        
        ColorStateList


      getBackgroundTintList()

Return the tint applied to the background drawable, if specified.


        
        
        
        
        
        PorterDuff.Mode


      getBackgroundTintMode()

Return the blending mode used to apply the tint to the background drawable, if specified.

int


      getBaseline()

Return the offset of the widget's text baseline from the widget's top boundary.


      getBottom()

Bottom position of this view relative to its parent.


      getBottomFadingEdgeStrength()

Returns the strength, or intensity, of the bottom faded edge.

int


      getBottomPaddingOffset()

Amount by which to extend the bottom fading region.


      getCameraDistance()

Gets the distance along the Z axis from the camera to this view.


      getClipBounds(Rect outRect)

Populates an output rectangle with the clip bounds of the view, returning true if successful or false if the view's clip bounds are null.


      getClipBounds()

Returns a copy of the current clipBounds.


      getClipToOutline()

Returns whether the Outline should be used to clip the contents of the View.


        
        
        
        
        
        CharSequence


      getContentDescription()

Returns the View's content description.


      getContext()

Returns the context the view is running in, through which it can access the current theme, resources, etc.


        
        
        
        
        
        ContextMenu.ContextMenuInfo


      getContextMenuInfo()

Views should implement this if they have extra information to associate with the context menu.


      getDefaultSize(int size, int measureSpec)

Utility to return a default size.


      getDisplay()

Gets the logical display to which the view's window has been attached.


      getDrawableState()

Return an array of resource IDs of the drawable states representing the current state of the view.


      getDrawingCache()

Calling this method is equivalent to calling getDrawingCache(false).


      getDrawingCache(boolean autoScale)

Returns the bitmap in which this view drawing is cached.

int


      getDrawingCacheBackgroundColor()

int


      getDrawingCacheQuality()

Returns the quality of the drawing cache.


      getDrawingRect(Rect outRect)

Return the visible drawing bounds of your view.


      getDrawingTime()

Return the time at which the drawing of the view hierarchy started.


      getElevation()

The base elevation of this view relative to its parent, in pixels.


      getFilterTouchesWhenObscured()

Gets whether the framework should discard touches when the view's window is obscured by another visible window.


      getFitsSystemWindows()

Check for state of setFitsSystemWindows(boolean).


        
        
        
        
        
        ArrayList<View>


      getFocusables(int direction)

Find and return all focusable views that are descendants of this view, possibly including this view if it is focusable itself.


      getFocusedRect(Rect r)

When a view has focus and the user navigates away from it, the next view is searched for starting from the rectangle filled in by this method.


      getForeground()

Returns the drawable used as the foreground of this View.

int


      getForegroundGravity()

Describes how the foreground is positioned.


        
        
        
        
        
        ColorStateList


      getForegroundTintList()

Return the tint applied to the foreground drawable, if specified.


        
        
        
        
        
        PorterDuff.Mode


      getForegroundTintMode()

Return the blending mode used to apply the tint to the foreground drawable, if specified.


      getGlobalVisibleRect(Rect r)


      getGlobalVisibleRect(Rect r, Point globalOffset)

If some part of this view is not clipped by any of its parents, then return that area in r in global (root) coordinates.


      getHandler()


      getHasOverlappingRendering()

Returns the value for overlapping rendering that is used internally.


      getHeight()

Return the height of your view.


      getHitRect(Rect outRect)

Hit rectangle in parent's coordinates

int


      getHorizontalFadingEdgeLength()

Returns the size of the horizontal faded edges used to indicate that more content in this view is visible.

int


      getHorizontalScrollbarHeight()

Returns the height of the horizontal scrollbar.

int


      getId()

Returns this view's identifier.

int


      getImportantForAccessibility()

Gets the mode for determining whether this View is important for accessibility which is if it fires accessibility events and if it is reported to accessibility services that query the screen.


      getKeepScreenOn()

Returns whether the screen should remain on, corresponding to the current value of KEEP_SCREEN_ON.


        
        
        
        
        
        KeyEvent.DispatcherState


      getKeyDispatcherState()

Return the global KeyEvent.DispatcherState for this view's window.

int


      getLabelFor()

Gets the id of a view for which this view serves as a label for accessibility purposes.

int


      getLayerType()

Indicates what type of layer is currently associated with this view.

int


      getLayoutDirection()

Returns the resolved layout direction for this view.


        
        
        
        
        
        ViewGroup.LayoutParams


      getLayoutParams()

Get the LayoutParams associated with this view.


      getLeft()

Left position of this view relative to its parent.


      getLeftFadingEdgeStrength()

Returns the strength, or intensity, of the left faded edge.

int


      getLeftPaddingOffset()

Amount by which to extend the left fading region.


      getLocalVisibleRect(Rect r)


      getLocationInWindow(int[] outLocation)

Computes the coordinates of this view in its window.


      getLocationOnScreen(int[] outLocation)

Computes the coordinates of this view on the screen.


      getMatrix()

The transform matrix of this view, which is calculated based on the current rotation, scale, and pivot properties.


      getMeasuredHeight()

Like getMeasuredHeightAndState(), but only returns the raw width component (that is the result is masked by MEASURED_SIZE_MASK).


      getMeasuredHeightAndState()

Return the full height measurement information for this view as computed by the most recent call to measure(int, int).


      getMeasuredState()

Return only the state bits of getMeasuredWidthAndState() and getMeasuredHeightAndState(), combined into one integer.


      getMeasuredWidth()

Like getMeasuredWidthAndState(), but only returns the raw width component (that is the result is masked by MEASURED_SIZE_MASK).


      getMeasuredWidthAndState()

Return the full width measurement information for this view as computed by the most recent call to measure(int, int).

int


      getMinimumHeight()

Returns the minimum height of the view.

int


      getMinimumWidth()

Returns the minimum width of the view.

int


      getNextFocusDownId()

Gets the id of the view to use when the next focus is FOCUS_DOWN.

int


      getNextFocusForwardId()

Gets the id of the view to use when the next focus is FOCUS_FORWARD.

int


      getNextFocusLeftId()

Gets the id of the view to use when the next focus is FOCUS_LEFT.

int


      getNextFocusRightId()

Gets the id of the view to use when the next focus is FOCUS_RIGHT.

int


      getNextFocusUpId()

Gets the id of the view to use when the next focus is FOCUS_UP.


        
        
        
        
        
        View.OnFocusChangeListener


      getOnFocusChangeListener()

Returns the focus-change callback registered for this view.


        
        
        
        
        
        ViewOutlineProvider


      getOutlineProvider()

Returns the current ViewOutlineProvider of the view, which generates the Outline that defines the shape of the shadow it casts, and enables outline clipping.

int


      getOverScrollMode()

Returns the over-scroll mode for this view.


        
        
        
        
        
        ViewOverlay


      getOverlay()

Returns the overlay for this view, creating it if it does not yet exist.

int


      getPaddingBottom()

Returns the bottom padding of this view.

int


      getPaddingEnd()

Returns the end padding of this view depending on its resolved layout direction.

int


      getPaddingLeft()

Returns the left padding of this view.

int


      getPaddingRight()

Returns the right padding of this view.

int


      getPaddingStart()

Returns the start padding of this view depending on its resolved layout direction.

int


      getPaddingTop()

Returns the top padding of this view.


        
        
        
        final
        
        ViewParent


      getParent()

Gets the parent of this view.


      getParentForAccessibility()

Gets the parent for accessibility purposes.


      getPivotX()

The x location of the point around which the view is rotated and scaled.


      getPivotY()

The y location of the point around which the view is rotated and scaled.


        
        
        
        
        
        PointerIcon


      getPointerIcon()

Gets the pointer icon for the current view.


      getResources()

Returns the resources associated with this view.


      getRight()

Right position of this view relative to its parent.


      getRightFadingEdgeStrength()

Returns the strength, or intensity, of the right faded edge.

int


      getRightPaddingOffset()

Amount by which to extend the right fading region.


      getRootView()

Finds the topmost view in the current view hierarchy.


        
        
        
        
        
        WindowInsets


      getRootWindowInsets()

Provide original WindowInsets that are dispatched to the view hierarchy.


      getRotation()

The degrees that the view is rotated around the pivot point.


      getRotationX()

The degrees that the view is rotated around the horizontal axis through the pivot point.


      getRotationY()

The degrees that the view is rotated around the vertical axis through the pivot point.


      getScaleX()

The amount that the view is scaled in x around the pivot point, as a proportion of the view's unscaled width.


      getScaleY()

The amount that the view is scaled in y around the pivot point, as a proportion of the view's unscaled height.

int


      getScrollBarDefaultDelayBeforeFade()

Returns the delay before scrollbars fade.

int


      getScrollBarFadeDuration()

Returns the scrollbar fade duration.

int


      getScrollBarSize()

Returns the scrollbar size.

int


      getScrollBarStyle()

Returns the current scrollbar style.

int


      getScrollIndicators()

Returns a bitmask representing the enabled scroll indicators.


      getScrollX()

Return the scrolled left position of this view.


      getScrollY()

Return the scrolled top position of this view.

int


      getSolidColor()

Override this if your view is known to always be drawn on top of a solid color background, and needs to draw fading edges.


        
        
        
        
        
        StateListAnimator


      getStateListAnimator()

Returns the current StateListAnimator if exists.

int


      getSuggestedMinimumHeight()

Returns the suggested minimum height that the view should use.

int


      getSuggestedMinimumWidth()

Returns the suggested minimum width that the view should use.

int


      getSystemUiVisibility()

Returns the last setSystemUiVisibility(int) that this view has requested.


      getTag()

Returns this view's tag.


      getTag(int key)

Returns the tag associated with this view and the specified key.

int


      getTextAlignment()

Return the resolved text alignment.

int


      getTextDirection()

Return the resolved text direction.


      getTop()

Top position of this view relative to its parent.


      getTopFadingEdgeStrength()

Returns the strength, or intensity, of the top faded edge.

int


      getTopPaddingOffset()

Amount by which to extend the top fading region.


        
        
        
        
        
        TouchDelegate


      getTouchDelegate()

Gets the TouchDelegate for this View.


        
        
        
        
        
        ArrayList<View>


      getTouchables()

Find and return all touchable views that are descendants of this view, possibly including this view if it is touchable itself.


      getTransitionName()

Returns the name of the View to be used to identify Views in Transitions.


      getTranslationX()

The horizontal location of this view relative to its left position.


      getTranslationY()

The vertical location of this view relative to its top position.


      getTranslationZ()

The depth location of this view relative to its elevation.

int


      getVerticalFadingEdgeLength()

Returns the size of the vertical faded edges used to indicate that more content in this view is visible.

int


      getVerticalScrollbarPosition()

int


      getVerticalScrollbarWidth()

Returns the width of the vertical scrollbar.


        
        
        
        
        
        ViewTreeObserver


      getViewTreeObserver()

Returns the ViewTreeObserver for this view's hierarchy.

int


      getVisibility()

Returns the visibility status for this view.


      getWidth()

Return the width of the your view.

int


      getWindowAttachCount()


      getWindowId()

Retrieve the WindowId for the window this view is currently attached to.

int


      getWindowSystemUiVisibility()

Returns the current system UI visibility that is currently set for the entire window.


      getWindowToken()

Retrieve a unique token identifying the window this view is attached to.

int


      getWindowVisibility()

Returns the current visibility of the window this view is attached to (either GONE, INVISIBLE, or VISIBLE).


      getWindowVisibleDisplayFrame(Rect outRect)

Retrieve the overall visible display size in which the window this view is attached to has been positioned in.


      getX()

The visual x position of this view, in pixels.


      getY()

The visual y position of this view, in pixels.


      getZ()

The visual z position of this view, in pixels.


      hasFocus()

Returns true if this view has focus itself, or is the ancestor of the view that has focus.


      hasFocusable()

Returns true if this view is focusable or if it contains a reachable View for which hasFocusable() returns true.


      hasNestedScrollingParent()

Returns true if this view has a nested scrolling parent.


      hasOnClickListeners()

Return whether this view has an attached OnClickListener.


      hasOverlappingRendering()

Returns whether this View has content which overlaps.


      hasTransientState()

Indicates whether the view is currently tracking transient state that the app should not need to concern itself with saving and restoring, but that the framework should take special note to preserve when possible.


      hasWindowFocus()

Returns true if this view is in a window that currently has window focus.


      inflate(Context context, int resource, ViewGroup root)

Inflate a view from an XML resource.


      invalidate()

Invalidate the whole view.


      invalidate(Rect dirty)

Mark the area defined by dirty as needing to be drawn.


      invalidate(int l, int t, int r, int b)

Mark the area defined by the rect (l,t,r,b) as needing to be drawn.


      invalidateDrawable(Drawable drawable)

Invalidates the specified Drawable.


      invalidateOutline()

Called to rebuild this View's Outline from its outline provider


      isAccessibilityFocused()

Returns whether this View is accessibility focused.


      isActivated()

Indicates the activation state of this view.


      isAttachedToWindow()

Returns true if this view is currently attached to a window.


      isClickable()

Indicates whether this view reacts to click events or not.


      isContextClickable()

Indicates whether this view reacts to context clicks or not.


      isDirty()

True if this view has changed since the last time being drawn.


      isDrawingCacheEnabled()

Indicates whether the drawing cache is enabled for this view.


      isDuplicateParentStateEnabled()

Indicates whether this duplicates its drawable state from its parent.


      isEnabled()

Returns the enabled status for this view.


      isFocusable()

Returns whether this View is able to take focus.


      isFocusableInTouchMode()

When a view is focusable, it may not want to take focus when in touch mode.


      isFocused()

Returns true if this view has focus


      isHapticFeedbackEnabled()


      isHardwareAccelerated()

Indicates whether this view is attached to a hardware accelerated window or not.


      isHorizontalFadingEdgeEnabled()

Indicate whether the horizontal edges are faded when the view is scrolled horizontally.


      isHorizontalScrollBarEnabled()

Indicate whether the horizontal scrollbar should be drawn or not.


      isHovered()

Returns true if the view is currently hovered.


      isImportantForAccessibility()

Computes whether this view should be exposed for accessibility.


      isInEditMode()

Indicates whether this View is currently in edit mode.


      isInLayout()

Returns whether the view hierarchy is currently undergoing a layout pass.


      isInTouchMode()

Returns whether the device is currently in touch mode.


      isLaidOut()

Returns true if this view has been through at least one layout since it was last attached to or detached from a window.


      isLayoutDirectionResolved()


      isLayoutRequested()

Indicates whether or not this view's layout will be requested during the next hierarchy layout pass.


      isLongClickable()

Indicates whether this view reacts to long click events or not.


      isNestedScrollingEnabled()

Returns true if nested scrolling is enabled for this view.


      isOpaque()

Indicates whether this View is opaque.


      isPaddingOffsetRequired()

If the View draws content inside its padding and enables fading edges, it needs to support padding offsets.


      isPaddingRelative()

Return if the padding has been set through relative values setPaddingRelative(int, int, int, int) or through


      isPressed()

Indicates whether the view is currently in pressed state.


      isSaveEnabled()

Indicates whether this view will save its state (that is, whether its onSaveInstanceState() method will be called).


      isSaveFromParentEnabled()

Indicates whether the entire hierarchy under this view will save its state when a state saving traversal occurs from its parent.


      isScrollContainer()

Indicates whether this view is one of the set of scrollable containers in its window.


      isScrollbarFadingEnabled()

Returns true if scrollbars will fade when this view is not scrolling


      isSelected()

Indicates the selection state of this view.


      isShown()

Returns the visibility of this view and all of its ancestors


      isSoundEffectsEnabled()


      isTemporarilyDetached()


      isTextAlignmentResolved()


      isTextDirectionResolved()


      isVerticalFadingEdgeEnabled()

Indicate whether the vertical edges are faded when the view is scrolled horizontally.


      isVerticalScrollBarEnabled()

Indicate whether the vertical scrollbar should be drawn or not.


      jumpDrawablesToCurrentState()

Call Drawable.jumpToCurrentState() on all Drawable objects associated with this view.


      layout(int l, int t, int r, int b)

Assign a size and position to a view and all of its descendants

This is the second phase of the layout mechanism.


      measure(int widthMeasureSpec, int heightMeasureSpec)

This is called to find out how big a view should be.


      mergeDrawableStates(int[] baseState, int[] additionalState)

Merge your own state values in additionalState into the base state values baseState that were returned by onCreateDrawableState(int).


      offsetLeftAndRight(int offset)

Offset this view's horizontal location by the specified amount of pixels.


      offsetTopAndBottom(int offset)

Offset this view's vertical location by the specified number of pixels.


      onAnimationEnd()

Invoked by a parent ViewGroup to notify the end of the animation currently associated with this view.


      onAnimationStart()

Invoked by a parent ViewGroup to notify the start of the animation currently associated with this view.


        
        
        
        
        
        WindowInsets


      onApplyWindowInsets(WindowInsets insets)

Called when the view should apply WindowInsets according to its internal policy.


      onAttachedToWindow()

This is called when the view is attached to a window.


      onCancelPendingInputEvents()

Called as the result of a call to cancelPendingInputEvents() on this view or a parent view.


      onCheckIsTextEditor()

Check whether the called view is a text editor, in which case it would make sense to automatically display a soft input window for it.


      onConfigurationChanged(Configuration newConfig)

Called when the current configuration of the resources being used by the application have changed.


      onCreateContextMenu(ContextMenu menu)

Views should implement this if the view itself is going to add items to the context menu.


      onCreateDrawableState(int extraSpace)

Generate the new Drawable state for this view.


        
        
        
        
        
        InputConnection


      onCreateInputConnection(EditorInfo outAttrs)

Create a new InputConnection for an InputMethod to interact with the view.


      onDetachedFromWindow()

This is called when the view is detached from a window.


      onDisplayHint(int hint)

Gives this view a hint about whether is displayed or not.


      onDragEvent(DragEvent event)

Handles drag events sent by the system following a call to startDragAndDrop().


      onDraw(Canvas canvas)

Implement this to do your drawing.


      onDrawForeground(Canvas canvas)

Draw any foreground content for this view.


      onDrawScrollBars(Canvas canvas)

Request the drawing of the horizontal and the vertical scrollbar.


      onFilterTouchEventForSecurity(MotionEvent event)

Filter the touch event to apply security policies.


      onFinishInflate()

Finalize inflating a view from XML.


      onFinishTemporaryDetach()

Called after onStartTemporaryDetach() when the container is done changing the view.


      onFocusChanged(boolean gainFocus, int direction, Rect previouslyFocusedRect)

Called by the view system when the focus state of this view changes.


      onGenericMotionEvent(MotionEvent event)

Implement this method to handle generic motion events.


      onHoverChanged(boolean hovered)

Implement this method to handle hover state changes.


      onHoverEvent(MotionEvent event)

Implement this method to handle hover events.


      onInitializeAccessibilityEvent(AccessibilityEvent event)

Initializes an AccessibilityEvent with information about this View which is the event source.


      onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info)

Initializes an AccessibilityNodeInfo with information about this view.


      onKeyDown(int keyCode, KeyEvent event)

Default implementation of KeyEvent.Callback.onKeyDown(): perform press of the view when KEYCODE_DPAD_CENTER or KEYCODE_ENTER is released, if the view is enabled and clickable.


      onKeyLongPress(int keyCode, KeyEvent event)

Default implementation of KeyEvent.Callback.onKeyLongPress(): always returns false (doesn't handle the event).


      onKeyMultiple(int keyCode, int repeatCount, KeyEvent event)

Default implementation of KeyEvent.Callback.onKeyMultiple(): always returns false (doesn't handle the event).


      onKeyPreIme(int keyCode, KeyEvent event)

Handle a key event before it is processed by any input method associated with the view hierarchy.


      onKeyShortcut(int keyCode, KeyEvent event)

Called on the focused view when a key shortcut event is not handled.


      onKeyUp(int keyCode, KeyEvent event)

Default implementation of KeyEvent.Callback.onKeyUp(): perform clicking of the view when KEYCODE_DPAD_CENTER, KEYCODE_ENTER or KEYCODE_SPACE is released.


      onLayout(boolean changed, int left, int top, int right, int bottom)

Called from layout when this view should assign a size and position to each of its children.


      onMeasure(int widthMeasureSpec, int heightMeasureSpec)

Measure the view and its content to determine the measured width and the measured height.


      onOverScrolled(int scrollX, int scrollY, boolean clampedX, boolean clampedY)

Called by overScrollBy(int, int, int, int, int, int, int, int, boolean) to respond to the results of an over-scroll operation.


      onPopulateAccessibilityEvent(AccessibilityEvent event)

Called from dispatchPopulateAccessibilityEvent(AccessibilityEvent) giving a chance to this View to populate the accessibility event with its text content.


      onProvideStructure(ViewStructure structure)

Called when assist structure is being retrieved from a view as part of Activity.onProvideAssistData.


      onProvideVirtualStructure(ViewStructure structure)

Called when assist structure is being retrieved from a view as part of Activity.onProvideAssistData to generate additional virtual structure under this view.


        
        
        
        
        
        PointerIcon


      onResolvePointerIcon(MotionEvent event, int pointerIndex)

Returns the pointer icon for the motion event, or null if it doesn't specify the icon.


      onRestoreInstanceState(Parcelable state)

Hook allowing a view to re-apply a representation of its internal state that had previously been generated by onSaveInstanceState().


      onRtlPropertiesChanged(int layoutDirection)

Called when any RTL property (layout direction or text direction or text alignment) has been changed.


      onSaveInstanceState()

Hook allowing a view to generate a representation of its internal state that can later be used to create a new instance with that same state.


      onScreenStateChanged(int screenState)

This method is called whenever the state of the screen this view is attached to changes.


      onScrollChanged(int l, int t, int oldl, int oldt)

This is called in response to an internal scroll in this view (i.e., the view scrolled its own contents).


      onSetAlpha(int alpha)

Invoked if there is a Transform that involves alpha.


      onSizeChanged(int w, int h, int oldw, int oldh)

This is called during layout when the size of this view has changed.


      onStartTemporaryDetach()

This is called when a container is going to temporarily detach a child, with ViewGroup.detachViewFromParent.


      onTouchEvent(MotionEvent event)

Implement this method to handle touch screen motion events.


      onTrackballEvent(MotionEvent event)

Implement this method to handle trackball motion events.


      onVisibilityAggregated(boolean isVisible)

Called when the user-visibility of this View is potentially affected by a change to this view itself, an ancestor view or the window this view is attached to.


      onVisibilityChanged(View changedView, int visibility)

Called when the visibility of the view or an ancestor of the view has changed.


      onWindowFocusChanged(boolean hasWindowFocus)

Called when the window containing this view gains or loses focus.


      onWindowSystemUiVisibilityChanged(int visible)

Override to find out when the window's requested system UI visibility has changed, that is the value returned by getWindowSystemUiVisibility().


      onWindowVisibilityChanged(int visibility)

Called when the window containing has change its visibility (between GONE, INVISIBLE, and VISIBLE).


      overScrollBy(int deltaX, int deltaY, int scrollX, int scrollY, int scrollRangeX, int scrollRangeY, int maxOverScrollX, int maxOverScrollY, boolean isTouchEvent)

Scroll the view with standard behavior for scrolling beyond the normal content boundaries.


      performAccessibilityAction(int action, Bundle arguments)

Performs the specified accessibility action on the view.


      performClick()

Call this view's OnClickListener, if it is defined.


      performContextClick(float x, float y)

Call this view's OnContextClickListener, if it is defined.


      performContextClick()

Call this view's OnContextClickListener, if it is defined.


      performHapticFeedback(int feedbackConstant)

BZZZTT!!1!

Provide haptic feedback to the user for this view.


      performHapticFeedback(int feedbackConstant, int flags)

BZZZTT!!1!

Like performHapticFeedback(int), with additional options.


      performLongClick(float x, float y)

Calls this view's OnLongClickListener, if it is defined.


      performLongClick()

Calls this view's OnLongClickListener, if it is defined.


      playSoundEffect(int soundConstant)

Play a sound effect for this view.


      post(Runnable action)

Causes the Runnable to be added to the message queue.


      postDelayed(Runnable action, long delayMillis)

Causes the Runnable to be added to the message queue, to be run after the specified amount of time elapses.


      postInvalidate()

Cause an invalidate to happen on a subsequent cycle through the event loop.


      postInvalidate(int left, int top, int right, int bottom)

Cause an invalidate of the specified area to happen on a subsequent cycle through the event loop.


      postInvalidateDelayed(long delayMilliseconds, int left, int top, int right, int bottom)

Cause an invalidate of the specified area to happen on a subsequent cycle through the event loop.


      postInvalidateDelayed(long delayMilliseconds)

Cause an invalidate to happen on a subsequent cycle through the event loop.


      postInvalidateOnAnimation(int left, int top, int right, int bottom)

Cause an invalidate of the specified area to happen on the next animation time step, typically the next display frame.


      postInvalidateOnAnimation()

Cause an invalidate to happen on the next animation time step, typically the next display frame.


      postOnAnimation(Runnable action)

Causes the Runnable to execute on the next animation time step.


      postOnAnimationDelayed(Runnable action, long delayMillis)

Causes the Runnable to execute on the next animation time step, after the specified amount of time elapses.


      refreshDrawableState()

Call this to force a view to update its drawable state.


      removeCallbacks(Runnable action)

Removes the specified Runnable from the message queue.


      removeOnAttachStateChangeListener(View.OnAttachStateChangeListener listener)

Remove a listener for attach state changes.


      removeOnLayoutChangeListener(View.OnLayoutChangeListener listener)

Remove a listener for layout changes.


      requestApplyInsets()

Ask that a new dispatch of onApplyWindowInsets(WindowInsets) be performed.


      requestFitSystemWindows()

This method was deprecated in API level 20. Use requestApplyInsets() for newer platform versions.


      requestFocus(int direction)

Call this to try to give focus to a specific view or to one of its descendants and give it a hint about what direction focus is heading.


      requestFocus()

Call this to try to give focus to a specific view or to one of its descendants.


      requestFocus(int direction, Rect previouslyFocusedRect)

Call this to try to give focus to a specific view or to one of its descendants and give it hints about the direction and a specific rectangle that the focus is coming from.


      requestFocusFromTouch()

Call this to try to give focus to a specific view or to one of its descendants.


      requestLayout()

Call this when something has changed which has invalidated the layout of this view.


      requestRectangleOnScreen(Rect rectangle)

Request that a rectangle of this view be visible on the screen, scrolling if necessary just enough.


      requestRectangleOnScreen(Rect rectangle, boolean immediate)

Request that a rectangle of this view be visible on the screen, scrolling if necessary just enough.


      requestUnbufferedDispatch(MotionEvent event)

Request unbuffered dispatch of the given stream of MotionEvents to this View.


      resolveSize(int size, int measureSpec)

Version of resolveSizeAndState(int, int, int) returning only the MEASURED_SIZE_MASK bits of the result.


      resolveSizeAndState(int size, int measureSpec, int childMeasuredState)

Utility to reconcile a desired size and state, with constraints imposed by a MeasureSpec.


      restoreHierarchyState(SparseArray<Parcelable> container)

Restore this view hierarchy's frozen state from the given container.


      saveHierarchyState(SparseArray<Parcelable> container)

Store this view hierarchy's frozen state into the given container.


      scheduleDrawable(Drawable who, Runnable what, long when)

Schedules an action on a drawable to occur at a specified time.


      scrollBy(int x, int y)

Move the scrolled position of your view.


      scrollTo(int x, int y)

Set the scrolled position of your view.


      sendAccessibilityEvent(int eventType)

Sends an accessibility event of the given type.


      sendAccessibilityEventUnchecked(AccessibilityEvent event)

This method behaves exactly as sendAccessibilityEvent(int) but takes as an argument an empty AccessibilityEvent and does not perform a check whether accessibility is enabled.


      setAccessibilityDelegate(View.AccessibilityDelegate delegate)

Sets a delegate for implementing accessibility support via composition (as opposed to inheritance).


      setAccessibilityLiveRegion(int mode)

Sets the live region mode for this view.


      setAccessibilityTraversalAfter(int afterId)

Sets the id of a view after which this one is visited in accessibility traversal.


      setAccessibilityTraversalBefore(int beforeId)

Sets the id of a view before which this one is visited in accessibility traversal.


      setActivated(boolean activated)

Changes the activated state of this view.


      setAlpha(float alpha)

Sets the opacity of the view to a value from 0 to 1, where 0 means the view is completely transparent and 1 means the view is completely opaque.


      setAnimation(Animation animation)

Sets the next animation to play for this view.


      setBackground(Drawable background)

Set the background to a given Drawable, or remove the background.


      setBackgroundColor(int color)

Sets the background color for this view.


      setBackgroundDrawable(Drawable background)

This method was deprecated in API level 16. use setBackground(Drawable) instead


      setBackgroundResource(int resid)

Set the background to a given resource.


      setBackgroundTintList(ColorStateList tint)

Applies a tint to the background drawable.


      setBackgroundTintMode(PorterDuff.Mode tintMode)

Specifies the blending mode used to apply the tint specified by setBackgroundTintList(ColorStateList)} to the background drawable.


      setBottom(int bottom)

Sets the bottom position of this view relative to its parent.


      setCameraDistance(float distance)

Sets the distance along the Z axis (orthogonal to the X/Y plane on which views are drawn) from the camera to this view.


      setClickable(boolean clickable)

Enables or disables click events for this view.


      setClipBounds(Rect clipBounds)

Sets a rectangular area on this view to which the view will be clipped when it is drawn.


      setClipToOutline(boolean clipToOutline)

Sets whether the View's Outline should be used to clip the contents of the View.


      setContentDescription(CharSequence contentDescription)

Sets the View's content description.


      setContextClickable(boolean contextClickable)

Enables or disables context clicking for this view.


      setDrawingCacheBackgroundColor(int color)

Setting a solid background color for the drawing cache's bitmaps will improve performance and memory usage.


      setDrawingCacheEnabled(boolean enabled)

Enables or disables the drawing cache.


      setDrawingCacheQuality(int quality)

Set the drawing cache quality of this view.


      setDuplicateParentStateEnabled(boolean enabled)

Enables or disables the duplication of the parent's state into this view.


      setElevation(float elevation)

Sets the base elevation of this view, in pixels.


      setEnabled(boolean enabled)

Set the enabled state of this view.


      setFadingEdgeLength(int length)

Set the size of the faded edge used to indicate that more content in this view is available.


      setFilterTouchesWhenObscured(boolean enabled)

Sets whether the framework should discard touches when the view's window is obscured by another visible window.


      setFitsSystemWindows(boolean fitSystemWindows)

Sets whether or not this view should account for system screen decorations such as the status bar and inset its content; that is, controlling whether the default implementation of fitSystemWindows(Rect) will be executed.


      setFocusable(boolean focusable)

Set whether this view can receive the focus.


      setFocusableInTouchMode(boolean focusableInTouchMode)

Set whether this view can receive focus while in touch mode.


      setForeground(Drawable foreground)

Supply a Drawable that is to be rendered on top of all of the content in the view.


      setForegroundGravity(int gravity)

Describes how the foreground is positioned.


      setForegroundTintList(ColorStateList tint)

Applies a tint to the foreground drawable.


      setForegroundTintMode(PorterDuff.Mode tintMode)

Specifies the blending mode used to apply the tint specified by setForegroundTintList(ColorStateList)} to the background drawable.


      setHapticFeedbackEnabled(boolean hapticFeedbackEnabled)

Set whether this view should have haptic feedback for events such as long presses.


      setHasTransientState(boolean hasTransientState)

Set whether this view is currently tracking transient state that the framework should attempt to preserve when possible.


      setHorizontalFadingEdgeEnabled(boolean horizontalFadingEdgeEnabled)

Define whether the horizontal edges should be faded when this view is scrolled horizontally.


      setHorizontalScrollBarEnabled(boolean horizontalScrollBarEnabled)

Define whether the horizontal scrollbar should be drawn or not.


      setHovered(boolean hovered)

Sets whether the view is currently hovered.


      setId(int id)

Sets the identifier for this view.


      setImportantForAccessibility(int mode)

Sets how to determine whether this view is important for accessibility which is if it fires accessibility events and if it is reported to accessibility services that query the screen.


      setKeepScreenOn(boolean keepScreenOn)

Controls whether the screen should remain on, modifying the value of KEEP_SCREEN_ON.


      setLabelFor(int id)

Sets the id of a view for which this view serves as a label for accessibility purposes.


      setLayerPaint(Paint paint)

Updates the Paint object used with the current layer (used only if the current layer type is not set to LAYER_TYPE_NONE).


      setLayerType(int layerType, Paint paint)

Specifies the type of layer backing this view.


      setLayoutDirection(int layoutDirection)

Set the layout direction for this view.


      setLayoutParams(ViewGroup.LayoutParams params)

Set the layout parameters associated with this view.


      setLeft(int left)

Sets the left position of this view relative to its parent.


      setLongClickable(boolean longClickable)

Enables or disables long click events for this view.


      setMeasuredDimension(int measuredWidth, int measuredHeight)

This method must be called by onMeasure(int, int) to store the measured width and measured height.


      setMinimumHeight(int minHeight)

Sets the minimum height of the view.


      setMinimumWidth(int minWidth)

Sets the minimum width of the view.


      setNestedScrollingEnabled(boolean enabled)

Enable or disable nested scrolling for this view.


      setNextFocusDownId(int nextFocusDownId)

Sets the id of the view to use when the next focus is FOCUS_DOWN.


      setNextFocusForwardId(int nextFocusForwardId)

Sets the id of the view to use when the next focus is FOCUS_FORWARD.


      setNextFocusLeftId(int nextFocusLeftId)

Sets the id of the view to use when the next focus is FOCUS_LEFT.


      setNextFocusRightId(int nextFocusRightId)

Sets the id of the view to use when the next focus is FOCUS_RIGHT.


      setNextFocusUpId(int nextFocusUpId)

Sets the id of the view to use when the next focus is FOCUS_UP.


      setOnApplyWindowInsetsListener(View.OnApplyWindowInsetsListener listener)

Set an View.OnApplyWindowInsetsListener to take over the policy for applying window insets to this view.


      setOnClickListener(View.OnClickListener l)

Register a callback to be invoked when this view is clicked.


      setOnContextClickListener(View.OnContextClickListener l)

Register a callback to be invoked when this view is context clicked.


      setOnCreateContextMenuListener(View.OnCreateContextMenuListener l)

Register a callback to be invoked when the context menu for this view is being built.


      setOnDragListener(View.OnDragListener l)

Register a drag event listener callback object for this View.


      setOnFocusChangeListener(View.OnFocusChangeListener l)

Register a callback to be invoked when focus of this view changed.


      setOnGenericMotionListener(View.OnGenericMotionListener l)

Register a callback to be invoked when a generic motion event is sent to this view.


      setOnHoverListener(View.OnHoverListener l)

Register a callback to be invoked when a hover event is sent to this view.


      setOnKeyListener(View.OnKeyListener l)

Register a callback to be invoked when a hardware key is pressed in this view.


      setOnLongClickListener(View.OnLongClickListener l)

Register a callback to be invoked when this view is clicked and held.


      setOnScrollChangeListener(View.OnScrollChangeListener l)

Register a callback to be invoked when the scroll X or Y positions of this view change.


      setOnSystemUiVisibilityChangeListener(View.OnSystemUiVisibilityChangeListener l)

Set a listener to receive callbacks when the visibility of the system bar changes.


      setOnTouchListener(View.OnTouchListener l)

Register a callback to be invoked when a touch event is sent to this view.


      setOutlineProvider(ViewOutlineProvider provider)

Sets the ViewOutlineProvider of the view, which generates the Outline that defines the shape of the shadow it casts, and enables outline clipping.


      setOverScrollMode(int overScrollMode)

Set the over-scroll mode for this view.


      setPadding(int left, int top, int right, int bottom)

Sets the padding.


      setPaddingRelative(int start, int top, int end, int bottom)

Sets the relative padding.


      setPivotX(float pivotX)

Sets the x location of the point around which the view is rotated and scaled.


      setPivotY(float pivotY)

Sets the y location of the point around which the view is rotated and scaled.


      setPointerIcon(PointerIcon pointerIcon)

Set the pointer icon for the current view.


      setPressed(boolean pressed)

Sets the pressed state for this view.


      setRight(int right)

Sets the right position of this view relative to its parent.


      setRotation(float rotation)

Sets the degrees that the view is rotated around the pivot point.


      setRotationX(float rotationX)

Sets the degrees that the view is rotated around the horizontal axis through the pivot point.


      setRotationY(float rotationY)

Sets the degrees that the view is rotated around the vertical axis through the pivot point.


      setSaveEnabled(boolean enabled)

Controls whether the saving of this view's state is enabled (that is, whether its onSaveInstanceState() method will be called).


      setSaveFromParentEnabled(boolean enabled)

Controls whether the entire hierarchy under this view will save its state when a state saving traversal occurs from its parent.


      setScaleX(float scaleX)

Sets the amount that the view is scaled in x around the pivot point, as a proportion of the view's unscaled width.


      setScaleY(float scaleY)

Sets the amount that the view is scaled in Y around the pivot point, as a proportion of the view's unscaled width.


      setScrollBarDefaultDelayBeforeFade(int scrollBarDefaultDelayBeforeFade)

Define the delay before scrollbars fade.


      setScrollBarFadeDuration(int scrollBarFadeDuration)

Define the scrollbar fade duration.


      setScrollBarSize(int scrollBarSize)

Define the scrollbar size.


      setScrollBarStyle(int style)

Specify the style of the scrollbars.


      setScrollContainer(boolean isScrollContainer)

Change whether this view is one of the set of scrollable containers in its window.


      setScrollIndicators(int indicators, int mask)

Sets the state of the scroll indicators specified by the mask.


      setScrollIndicators(int indicators)

Sets the state of all scroll indicators.


      setScrollX(int value)

Set the horizontal scrolled position of your view.


      setScrollY(int value)

Set the vertical scrolled position of your view.


      setScrollbarFadingEnabled(boolean fadeScrollbars)

Define whether scrollbars will fade when the view is not scrolling.


      setSelected(boolean selected)

Changes the selection state of this view.


      setSoundEffectsEnabled(boolean soundEffectsEnabled)

Set whether this view should have sound effects enabled for events such as clicking and touching.


      setStateListAnimator(StateListAnimator stateListAnimator)

Attaches the provided StateListAnimator to this View.


      setSystemUiVisibility(int visibility)

Request that the visibility of the status bar or other screen/window decorations be changed.


      setTag(int key, Object tag)

Sets a tag associated with this view and a key.


      setTag(Object tag)

Sets the tag associated with this view.


      setTextAlignment(int textAlignment)

Set the text alignment.


      setTextDirection(int textDirection)

Set the text direction.


      setTop(int top)

Sets the top position of this view relative to its parent.


      setTouchDelegate(TouchDelegate delegate)

Sets the TouchDelegate for this View.


      setTransitionName(String transitionName)

Sets the name of the View to be used to identify Views in Transitions.


      setTranslationX(float translationX)

Sets the horizontal location of this view relative to its left position.


      setTranslationY(float translationY)

Sets the vertical location of this view relative to its top position.


      setTranslationZ(float translationZ)

Sets the depth location of this view relative to its elevation.


      setVerticalFadingEdgeEnabled(boolean verticalFadingEdgeEnabled)

Define whether the vertical edges should be faded when this view is scrolled vertically.


      setVerticalScrollBarEnabled(boolean verticalScrollBarEnabled)

Define whether the vertical scrollbar should be drawn or not.


      setVerticalScrollbarPosition(int position)

Set the position of the vertical scroll bar.


      setVisibility(int visibility)

Set the enabled state of this view.


      setWillNotCacheDrawing(boolean willNotCacheDrawing)

When a View's drawing cache is enabled, drawing is redirected to an offscreen bitmap.


      setWillNotDraw(boolean willNotDraw)

If this view doesn't do any drawing on its own, set this flag to allow further optimizations.


      setX(float x)

Sets the visual x position of this view, in pixels.


      setY(float y)

Sets the visual y position of this view, in pixels.


      setZ(float z)

Sets the visual z position of this view, in pixels.


      showContextMenu()

Shows the context menu for this view.


      showContextMenu(float x, float y)

Shows the context menu for this view anchored to the specified view-relative coordinate.


      startActionMode(ActionMode.Callback callback, int type)

Start an action mode with the given type.


      startActionMode(ActionMode.Callback callback)

Start an action mode with the default type TYPE_PRIMARY.


      startAnimation(Animation animation)

Start the specified animation now.


      startDrag(ClipData data, View.DragShadowBuilder shadowBuilder, Object myLocalState, int flags)

This method was deprecated in API level 24. Use startDragAndDrop() for newer platform versions.


      startDragAndDrop(ClipData data, View.DragShadowBuilder shadowBuilder, Object myLocalState, int flags)

Starts a drag and drop operation.


      startNestedScroll(int axes)

Begin a nestable scroll operation along the given axes.


      stopNestedScroll()

Stop a nested scroll in progress.


      toString()

Returns a string representation of the object.


      unscheduleDrawable(Drawable who, Runnable what)

Cancels a scheduled action on a drawable.


      unscheduleDrawable(Drawable who)

Unschedule any events associated with the given Drawable.


      updateDragShadow(View.DragShadowBuilder shadowBuilder)

Updates the drag shadow for the ongoing drag and drop operation.


      verifyDrawable(Drawable who)

If your view subclass is displaying its own Drawable objects, it should override this function and return true for any Drawable it is displaying.


      willNotCacheDrawing()

Returns whether or not this View can cache its drawing or not.


      willNotDraw()

Returns whether or not this View draws on its own.

java.lang.Object
↳	android.view.View
	↳	android.widget.ImageView
		↳	android.widget.ImageButton
			↳	android.widget.ZoomButton

Parameters
`context`	`Context`
`attrs`	`AttributeSet`

Parameters
`context`	`Context`
`attrs`	`AttributeSet`
`defStyleAttr`	`int`

Parameters
`context`	`Context`
`attrs`	`AttributeSet`
`defStyleAttr`	`int`
`defStyleRes`	`int`

Parameters
`focused`	`View`: The currently focused view.
`direction`	`int`: The direction focus wants to move. One of FOCUS_UP, FOCUS_DOWN, FOCUS_LEFT, and FOCUS_RIGHT.

Annotations

Interfaces

Classes

Enums

Exceptions

Most visited

Recently visited

Results for

Summary

Inherited XML attributes

Inherited constants

Inherited fields

Public constructors

Public methods

Inherited methods

Public constructors

ZoomButton

ZoomButton

ZoomButton

ZoomButton

Public methods

dispatchUnhandledMove

getAccessibilityClassName

onKeyUp

onLongClick

onTouchEvent

setEnabled

setZoomSpeed

Parameters
`keyCode`	`int`: A key code that represents the button pressed, from `KeyEvent`.
`event`	`KeyEvent`: The KeyEvent object that defines the button action.