belongs to Maven artifact com.android.support:support-compat:28.0.0-alpha1
ViewCompat
public
class
ViewCompat
extends Object
java.lang.Object | |
↳ | android.support.v4.view.ViewCompat |
![]() |
Helper for accessing features in View
.
Summary
Constants | |
---|---|
int |
ACCESSIBILITY_LIVE_REGION_ASSERTIVE
Live region mode specifying that accessibility services should interrupt ongoing speech to immediately announce changes to this view. |
int |
ACCESSIBILITY_LIVE_REGION_NONE
Live region mode specifying that accessibility services should not automatically announce changes to this view. |
int |
ACCESSIBILITY_LIVE_REGION_POLITE
Live region mode specifying that accessibility services should announce changes to this view. |
int |
IMPORTANT_FOR_ACCESSIBILITY_AUTO
Automatically determine whether a view is important for accessibility. |
int |
IMPORTANT_FOR_ACCESSIBILITY_NO
The view is not important for accessibility. |
int |
IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS
The view is not important for accessibility, nor are any of its descendant views. |
int |
IMPORTANT_FOR_ACCESSIBILITY_YES
The view is important for accessibility. |
int |
LAYER_TYPE_HARDWARE
This constant was deprecated
in API level 26.1.0.
Use |
int |
LAYER_TYPE_NONE
This constant was deprecated
in API level 26.1.0.
Use |
int |
LAYER_TYPE_SOFTWARE
This constant was deprecated
in API level 26.1.0.
Use |
int |
LAYOUT_DIRECTION_INHERIT
Horizontal layout direction of this view is inherited from its parent. |
int |
LAYOUT_DIRECTION_LOCALE
Horizontal layout direction of this view is from deduced from the default language script for the locale. |
int |
LAYOUT_DIRECTION_LTR
Horizontal layout direction of this view is from Left to Right. |
int |
LAYOUT_DIRECTION_RTL
Horizontal layout direction of this view is from Right to Left. |
int |
MEASURED_HEIGHT_STATE_SHIFT
This constant was deprecated
in API level 26.1.0.
Use |
int |
MEASURED_SIZE_MASK
This constant was deprecated
in API level 26.1.0.
Use |
int |
MEASURED_STATE_MASK
This constant was deprecated
in API level 26.1.0.
Use |
int |
MEASURED_STATE_TOO_SMALL
This constant was deprecated
in API level 26.1.0.
Use |
int |
OVER_SCROLL_ALWAYS
This constant was deprecated
in API level 25.1.0.
Use |
int |
OVER_SCROLL_IF_CONTENT_SCROLLS
This constant was deprecated
in API level 25.1.0.
Use |
int |
OVER_SCROLL_NEVER
This constant was deprecated
in API level 25.1.0.
Use |
int |
SCROLL_AXIS_HORIZONTAL
Indicates scrolling along the horizontal axis. |
int |
SCROLL_AXIS_NONE
Indicates no axis of view scrolling. |
int |
SCROLL_AXIS_VERTICAL
Indicates scrolling along the vertical axis. |
int |
SCROLL_INDICATOR_BOTTOM
Scroll indicator direction for the bottom edge of the view. |
int |
SCROLL_INDICATOR_END
Scroll indicator direction for the ending edge of the view. |
int |
SCROLL_INDICATOR_LEFT
Scroll indicator direction for the left edge of the view. |
int |
SCROLL_INDICATOR_RIGHT
Scroll indicator direction for the right edge of the view. |
int |
SCROLL_INDICATOR_START
Scroll indicator direction for the starting edge of the view. |
int |
SCROLL_INDICATOR_TOP
Scroll indicator direction for the top edge of the view. |
int |
TYPE_NON_TOUCH
Indicates that the input type for the gesture is caused by something which is not a user touching a screen. |
int |
TYPE_TOUCH
Indicates that the input type for the gesture is from a user touching the screen. |
Protected constructors | |
---|---|
ViewCompat()
|
Public methods | |
---|---|
static
void
|
addKeyboardNavigationClusters(View view, Collection<View> views, int direction)
Adds any keyboard navigation cluster roots that are descendants of |
static
ViewPropertyAnimatorCompat
|
animate(View view)
This method returns a ViewPropertyAnimator object, which can be used to animate specific properties on this View. |
static
boolean
|
canScrollHorizontally(View view, int direction)
This method was deprecated
in API level 26.1.0.
Use |
static
boolean
|
canScrollVertically(View view, int direction)
This method was deprecated
in API level 26.1.0.
Use |
static
void
|
cancelDragAndDrop(View v)
Cancel the drag and drop operation. |
static
int
|
combineMeasuredStates(int curState, int newState)
This method was deprecated
in API level 26.1.0.
Use |
static
WindowInsetsCompat
|
dispatchApplyWindowInsets(View view, WindowInsetsCompat insets)
Request to apply the given window insets to this view or another view in its subtree. |
static
void
|
dispatchFinishTemporaryDetach(View view)
Notify a view that its temporary detach has ended; the view is now reattached. |
static
boolean
|
dispatchNestedFling(View view, float velocityX, float velocityY, boolean consumed)
Dispatch a fling to a nested scrolling parent. |
static
boolean
|
dispatchNestedPreFling(View view, float velocityX, float velocityY)
Dispatch a fling to a nested scrolling parent before it is processed by this view. |
static
boolean
|
dispatchNestedPreScroll(View view, int dx, int dy, int[] consumed, int[] offsetInWindow, int type)
Dispatch one step of a nested scroll in progress before this view consumes any portion of it. |
static
boolean
|
dispatchNestedPreScroll(View view, 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. |
static
boolean
|
dispatchNestedScroll(View view, int dxConsumed, int dyConsumed, int dxUnconsumed, int dyUnconsumed, int[] offsetInWindow, int type)
Dispatch one step of a nested scroll in progress. |
static
boolean
|
dispatchNestedScroll(View view, int dxConsumed, int dyConsumed, int dxUnconsumed, int dyUnconsumed, int[] offsetInWindow)
Dispatch one step of a nested scroll in progress. |
static
void
|
dispatchStartTemporaryDetach(View view)
Notify a view that it is being temporarily detached. |
static
int
|
generateViewId()
Generate a value suitable for use in |
static
int
|
getAccessibilityLiveRegion(View view)
Gets the live region mode for the specified View. |
static
AccessibilityNodeProviderCompat
|
getAccessibilityNodeProvider(View view)
Gets the provider for managing a virtual view hierarchy rooted at this View
and reported to |
static
float
|
getAlpha(View view)
This method was deprecated
in API level 26.1.0.
Use |
static
ColorStateList
|
getBackgroundTintList(View view)
Return the tint applied to the background drawable, if specified. |
static
PorterDuff.Mode
|
getBackgroundTintMode(View view)
Return the blending mode used to apply the tint to the background drawable, if specified. |
static
Rect
|
getClipBounds(View view)
Returns a copy of the current |
static
Display
|
getDisplay(View view)
Gets the logical display to which the view's window has been attached. |
static
float
|
getElevation(View view)
The base elevation of this view relative to its parent, in pixels. |
static
boolean
|
getFitsSystemWindows(View v)
Returns true if this view should adapt to fit system window insets. |
static
int
|
getImportantForAccessibility(View view)
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. |
static
int
|
getImportantForAutofill(View v)
Gets the mode for determining whether this view is important for autofill. |
static
int
|
getLabelFor(View view)
Gets the id of a view for which a given view serves as a label for accessibility purposes. |
static
int
|
getLayerType(View view)
This method was deprecated
in API level 26.1.0.
Use |
static
int
|
getLayoutDirection(View view)
Returns the resolved layout direction for this view. |
static
Matrix
|
getMatrix(View view)
This method was deprecated
in API level 26.1.0.
Use |
static
int
|
getMeasuredHeightAndState(View view)
This method was deprecated
in API level 26.1.0.
Use |
static
int
|
getMeasuredState(View view)
This method was deprecated
in API level 26.1.0.
Use |
static
int
|
getMeasuredWidthAndState(View view)
This method was deprecated
in API level 26.1.0.
Use |
static
int
|
getMinimumHeight(View view)
Returns the minimum height of the view. |
static
int
|
getMinimumWidth(View view)
Returns the minimum width of the view. |
static
int
|
getNextClusterForwardId(View view)
Gets the ID of the next keyboard navigation cluster root. |