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Summary: Ctors | Methods | Inherited Methods

ViewConfiguration

public class ViewConfiguration
extends Object

java.lang.Object
↳	android.view.ViewConfiguration

Contains methods to standard constants used in the UI for timeouts, sizes, and distances.

Summary

Public constructors
`ViewConfiguration()` This constructor is deprecated. Use `get(android.content.Context)` instead.

Public methods
`static ViewConfiguration`	`get(Context context)` Returns a configuration for the specified visual `Context`.
`static float`	`getAmbiguousGestureMultiplier()` This method is deprecated. Use `getScaledAmbiguousGestureMultiplier()`.
`static long`	`getDefaultActionModeHideDuration()`
`static int`	`getDoubleTapTimeout()`
`static int`	`getEdgeSlop()` This method is deprecated. Use `getScaledEdgeSlop()` instead.
`static int`	`getFadingEdgeLength()` This method is deprecated. Use `getScaledFadingEdgeLength()` instead.
`static long`	`getGlobalActionKeyTimeout()` This method is deprecated. This timeout should not be used by applications
`static int`	`getJumpTapTimeout()`
`static int`	`getKeyRepeatDelay()`
`static int`	`getKeyRepeatTimeout()`
`static int`	`getLongPressTimeout()`
`static int`	`getMaximumDrawingCacheSize()` This method is deprecated. Use `getScaledMaximumDrawingCacheSize()` instead.
`static int`	`getMaximumFlingVelocity()` This method is deprecated. Use `getScaledMaximumFlingVelocity()` instead.
`static int`	`getMinimumFlingVelocity()` This method is deprecated. Use `getScaledMinimumFlingVelocity()` instead.
`static int`	`getPressedStateDuration()`
`float`	`getScaledAmbiguousGestureMultiplier()` The multiplication factor for inhibiting default gestures.
`int`	`getScaledDoubleTapSlop()`
`int`	`getScaledEdgeSlop()`
`int`	`getScaledFadingEdgeLength()`
`float`	`getScaledHorizontalScrollFactor()`
`int`	`getScaledHoverSlop()`
`int`	`getScaledMaximumDrawingCacheSize()` The maximum drawing cache size expressed in bytes.
`int`	`getScaledMaximumFlingVelocity()`
`int`	`getScaledMinimumFlingVelocity()`
`int`	`getScaledMinimumScalingSpan()` Retrieves the distance in pixels between touches that must be reached for a gesture to be interpreted as scaling.
`int`	`getScaledOverflingDistance()`
`int`	`getScaledOverscrollDistance()`
`int`	`getScaledPagingTouchSlop()`
`int`	`getScaledScrollBarSize()`
`int`	`getScaledTouchSlop()`
`float`	`getScaledVerticalScrollFactor()`
`int`	`getScaledWindowTouchSlop()`
`static int`	`getScrollBarFadeDuration()`
`static int`	`getScrollBarSize()` This method is deprecated. Use `getScaledScrollBarSize()` instead.
`static int`	`getScrollDefaultDelay()`
`static float`	`getScrollFriction()` The amount of friction applied to scrolls and flings.
`static int`	`getTapTimeout()`
`static int`	`getTouchSlop()` This method is deprecated. Use `getScaledTouchSlop()` instead.
`static int`	`getWindowTouchSlop()` This method is deprecated. Use `getScaledWindowTouchSlop()` instead.
`static long`	`getZoomControlsTimeout()` The amount of time that the zoom controls should be displayed on the screen expressed in milliseconds.
`boolean`	`hasPermanentMenuKey()` Report if the device has a permanent menu key available to the user.
`boolean`	`shouldShowMenuShortcutsWhenKeyboardPresent()` Check if shortcuts should be displayed in menus.

Inherited methods

From class


        
          java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

Public constructors

ViewConfiguration

public ViewConfiguration ()

This constructor is deprecated.
Use get(android.content.Context) instead.

Public methods

get

public static ViewConfiguration get (Context context)

Returns a configuration for the specified visual Context. The configuration depends on various parameters of the Context, like the dimension of the display or the density of the display.

Parameters
`context`	`Context`: A visual `Context` used to initialize the view configuration. It must be `Activity` or other `Context` created with `Context#createWindowContext(int, Bundle)`.

Returns
`ViewConfiguration`

getAmbiguousGestureMultiplier

public static float getAmbiguousGestureMultiplier ()

This method is deprecated.
Use getScaledAmbiguousGestureMultiplier().

The multiplication factor for inhibiting default gestures. If a MotionEvent has MotionEvent.CLASSIFICATION_AMBIGUOUS_GESTURE set, then certain actions, such as scrolling, will be inhibited. However, to account for the possibility of an incorrect classification, existing gesture thresholds (e.g. scrolling touch slop and the long-press timeout) should be scaled by this factor and remain in effect.

Returns
`float`	Value is 1.0 or greater

getDefaultActionModeHideDuration

public static long getDefaultActionModeHideDuration ()

Returns
`long`	the default duration in milliseconds for `ActionMode#hide(long)`.

getDoubleTapTimeout

public static int getDoubleTapTimeout ()

Returns
`int`	the duration in milliseconds between the first tap's up event and the second tap's down event for an interaction to be considered a double-tap.

getEdgeSlop

public static int getEdgeSlop ()

This method is deprecated.
Use getScaledEdgeSlop() instead.

Returns
`int`	Inset in dips to look for touchable content when the user touches the edge of the screen

getFadingEdgeLength

public static int getFadingEdgeLength ()

This method is deprecated.
Use getScaledFadingEdgeLength() instead.

Returns
`int`	the length of the fading edges in dips

getGlobalActionKeyTimeout

public static long getGlobalActionKeyTimeout ()

This method is deprecated.
This timeout should not be used by applications

The amount of time a user needs to press the relevant key to bring up the global actions dialog.

Returns
`long`	how long a user needs to press the relevant key to bring up the global actions dialog.

getJumpTapTimeout

public static int getJumpTapTimeout ()

Returns
`int`	the duration in milliseconds we will wait to see if a touch event is a jump tap. If the user does not move within this interval, it is considered to be a tap.

getKeyRepeatDelay

public static int getKeyRepeatDelay ()

Returns
`int`	the time between successive key repeats in milliseconds.

getKeyRepeatTimeout

public static int getKeyRepeatTimeout ()

Returns
`int`	the time before the first key repeat in milliseconds.

getLongPressTimeout

public static int getLongPressTimeout ()

Returns
`int`	the duration in milliseconds before a press turns into a long press

getMaximumDrawingCacheSize

public static int getMaximumDrawingCacheSize ()

This method is deprecated.
Use getScaledMaximumDrawingCacheSize() instead.

The maximum drawing cache size expressed in bytes.

Returns
`int`	the maximum size of View's drawing cache expressed in bytes

getMaximumFlingVelocity

public static int getMaximumFlingVelocity ()

This method is deprecated.
Use getScaledMaximumFlingVelocity() instead.

Returns
`int`	Maximum velocity to initiate a fling, as measured in dips per second.

getMinimumFlingVelocity

public static int getMinimumFlingVelocity ()

This method is deprecated.
Use getScaledMinimumFlingVelocity() instead.

Returns
`int`	Minimum velocity to initiate a fling, as measured in dips per second.

getPressedStateDuration

public static int getPressedStateDuration ()

Returns
`int`	the duration in milliseconds of the pressed state in child components.

getScaledAmbiguousGestureMultiplier

public float getScaledAmbiguousGestureMultiplier ()

Returns
`float`	Value is 1.0 or greater

getScaledDoubleTapSlop

public int getScaledDoubleTapSlop ()

Returns
`int`	Distance in pixels between the first touch and second touch to still be considered a double tap

getScaledEdgeSlop

public int getScaledEdgeSlop ()

Returns
`int`	Inset in pixels to look for touchable content when the user touches the edge of the screen

getScaledFadingEdgeLength

public int getScaledFadingEdgeLength ()

Returns
`int`	the length of the fading edges in pixels

getScaledHorizontalScrollFactor

public float getScaledHorizontalScrollFactor ()

Returns
`float`	Amount to scroll in response to a horizontal `MotionEvent#ACTION_SCROLL` event. Multiply this by the event's axis value to obtain the number of pixels to be scrolled.

getScaledHoverSlop

public int getScaledHoverSlop ()

Returns
`int`	Distance in pixels a hover can wander while it is still considered "stationary".

getScaledMaximumDrawingCacheSize

public int getScaledMaximumDrawingCacheSize ()

The maximum drawing cache size expressed in bytes.

Returns
`int`	the maximum size of View's drawing cache expressed in bytes

getScaledMaximumFlingVelocity

public int getScaledMaximumFlingVelocity ()

Returns
`int`	Maximum velocity to initiate a fling, as measured in pixels per second.

getScaledMinimumFlingVelocity

public int getScaledMinimumFlingVelocity ()

Returns
`int`	Minimum velocity to initiate a fling, as measured in pixels per second.

getScaledMinimumScalingSpan

public int getScaledMinimumScalingSpan ()

Retrieves the distance in pixels between touches that must be reached for a gesture to be interpreted as scaling. In general, scaling shouldn't start until this distance has been met or surpassed, and scaling should end when the distance in pixels between touches drops below this distance.

Returns
`int`	The distance in pixels

Throws
`IllegalStateException`	if this method is called on a ViewConfiguration that was instantiated using a constructor with no Context parameter.

getScaledOverflingDistance

public int getScaledOverflingDistance ()

Returns
`int`	The maximum distance a View should overfling by when showing edge effects (in pixels).

getScaledOverscrollDistance

public int getScaledOverscrollDistance ()

Returns
`int`	The maximum distance a View should overscroll by when showing edge effects (in pixels).

getScaledPagingTouchSlop

public int getScaledPagingTouchSlop ()

Returns
`int`	Distance in pixels a touch can wander before we think the user is scrolling a full page

getScaledScrollBarSize

public int getScaledScrollBarSize ()

Returns
`int`	The width of the horizontal scrollbar and the height of the vertical scrollbar in pixels

getScaledTouchSlop

public int getScaledTouchSlop ()

Returns
`int`	Distance in pixels a touch can wander before we think the user is scrolling

getScaledVerticalScrollFactor

public float getScaledVerticalScrollFactor ()

Returns
`float`	Amount to scroll in response to a vertical `MotionEvent#ACTION_SCROLL` event. Multiply this by the event's axis value to obtain the number of pixels to be scrolled.

getScaledWindowTouchSlop

public int getScaledWindowTouchSlop ()

Returns
`int`	Distance in pixels a touch must be outside the bounds of a window for it to be counted as outside the window for purposes of dismissing that window.

getScrollBarFadeDuration

public static int getScrollBarFadeDuration ()

Returns
`int`	Duration of the fade when scrollbars fade away in milliseconds

getScrollBarSize

public static int getScrollBarSize ()

This method is deprecated.
Use getScaledScrollBarSize() instead.

Returns
`int`	The width of the horizontal scrollbar and the height of the vertical scrollbar in dips

getScrollDefaultDelay

public static int getScrollDefaultDelay ()

Returns
`int`	Default delay before the scrollbars fade in milliseconds

getScrollFriction

public static float getScrollFriction ()

The amount of friction applied to scrolls and flings.

Returns
`float`	A scalar dimensionless value representing the coefficient of friction.

getTapTimeout

public static int getTapTimeout ()

Returns
`int`	the duration in milliseconds we will wait to see if a touch event is a tap or a scroll. If the user does not move within this interval, it is considered to be a tap.

getTouchSlop

public static int getTouchSlop ()

This method is deprecated.
Use getScaledTouchSlop() instead.

Returns
`int`	Distance in dips a touch can wander before we think the user is scrolling

getWindowTouchSlop

public static int getWindowTouchSlop ()

This method is deprecated.
Use getScaledWindowTouchSlop() instead.

Returns
`int`	Distance in dips a touch must be outside the bounds of a window for it to be counted as outside the window for purposes of dismissing that window.

getZoomControlsTimeout

public static long getZoomControlsTimeout ()

The amount of time that the zoom controls should be displayed on the screen expressed in milliseconds.

Returns
`long`	the time the zoom controls should be visible expressed in milliseconds.

hasPermanentMenuKey

public boolean hasPermanentMenuKey ()

Report if the device has a permanent menu key available to the user.

As of Android 3.0, devices may not have a permanent menu key available. Apps should use the action bar to present menu options to users. However, there are some apps where the action bar is inappropriate or undesirable. This method may be used to detect if a menu key is present. If not, applications should provide another on-screen affordance to access functionality.

Returns
`boolean`	true if a permanent menu key is present, false otherwise.

shouldShowMenuShortcutsWhenKeyboardPresent

public boolean shouldShowMenuShortcutsWhenKeyboardPresent ()

Check if shortcuts should be displayed in menus.

Returns
`boolean`	`True` if shortcuts should be displayed in menus.