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SwipeDismissFrameLayout

public class SwipeDismissFrameLayout
extends FrameLayout

java.lang.Object
   ↳ android.view.View
     ↳ android.view.ViewGroup
       ↳ android.widget.FrameLayout
         ↳ android.support.wearable.view.SwipeDismissFrameLayout


This class is deprecated.
use the android.support.wear.widget.SwipeDismissFrameLayout provided by the Android Support Library Wear module instead.

A layout enabling left-to-right swipe-to-dismiss, intended for use within an activity.

At least one listener must be added to act on a dismissal action. A listener will typically remove a containing view or fragment from the current activity.

To suppress a swipe-dismiss gesture, at least one contained view must be scrollable, indicating that it would like to consume any horizontal touch gestures in that direction. In this case this view will only allow swipe-to-dismiss on the very edge of the left-hand-side of the screen. If you wish to entirely disable the swipe-to-dismiss gesture, setDismissEnabled(boolean) can be used for more direct control over the feature.

Summary

Nested classes

class SwipeDismissFrameLayout.Callback

Implement this callback to act on particular stages of the dismissal. 

Constants

float DEFAULT_DISMISS_DRAG_WIDTH_RATIO

Inherited constants

From class android.view.ViewGroup
From class android.view.View

Inherited fields

From class android.view.View

Public constructors

SwipeDismissFrameLayout(Context context)

Simple constructor to use when creating a view from code.

SwipeDismissFrameLayout(Context context, AttributeSet attrs)

Constructor that is called when inflating a view from XML.

SwipeDismissFrameLayout(Context context, AttributeSet attrs, int defStyle)

Perform inflation from XML and apply a class-specific base style from a theme attribute.

Public methods

void addCallback(SwipeDismissFrameLayout.Callback callback)

Adds a callback for dismissal.

boolean canScrollHorizontally(int direction)
void dismiss(boolean decelerate)

Triggers a dismiss operation.

boolean isDismissEnabled()

Returns true if swipe to dismiss is currently enabled for this view, false otherwise.

boolean isSwipeable()

Returns true if the layout reacts to swipe gestures.

boolean onInterceptTouchEvent(MotionEvent ev)
boolean onTouchEvent(MotionEvent ev)
void removeCallback(SwipeDismissFrameLayout.Callback callback)

Removes a callback that was added with addCallback(Callback).

void reset()

Resets this view to the original state.

void setDismissEnabled(boolean isDismissEnabled)

Enable or disable the swipe-to-dismiss functionality.

void setDismissMinDragWidthRatio(float ratio)
void setOnDismissedListener(SwipeDismissLayout.OnDismissedListener listener)
void setOnPreSwipeListener(SwipeDismissLayout.OnPreSwipeListener listener)
void setOnSwipeProgressChangedListener(SwipeDismissLayout.OnSwipeProgressChangedListener listener)
void setSwipeable(boolean swipeable)

Sets the layout to swipeable or not.

Protected methods

boolean canScroll(View v, boolean checkV, float dx, float x, float y)

Tests scrollability within child views of v in the direction of dx.

void cancel()

Inherited methods

From class android.widget.FrameLayout
From class android.view.ViewGroup
From class android.view.View
From class java.lang.Object
From interface android.view.ViewParent
From interface android.view.ViewManager
From interface android.graphics.drawable.Drawable.Callback
From interface android.view.KeyEvent.Callback
From interface android.view.accessibility.AccessibilityEventSource

Constants

DEFAULT_DISMISS_DRAG_WIDTH_RATIO

float DEFAULT_DISMISS_DRAG_WIDTH_RATIO

Constant Value: 0.33

Public constructors

SwipeDismissFrameLayout

SwipeDismissFrameLayout (Context context)

Simple constructor to use when creating a view from code.

Parameters
context Context: The Context the view is running in, through which it can access the current theme, resources, etc.

SwipeDismissFrameLayout

SwipeDismissFrameLayout (Context context, 
                AttributeSet attrs)

Constructor that is called when inflating a view from XML. This is called when a view is being constructed from an XML file, supplying attributes that were specified in the XML file. This version uses a default style of 0, so the only attribute values applied are those in the Context's Theme and the given AttributeSet.

The method onFinishInflate() will be called after all children have been added.

Parameters
context Context: The Context the view is running in, through which it can access the current theme, resources, etc.

attrs AttributeSet: The attributes of the XML tag that is inflating the view.

SwipeDismissFrameLayout

SwipeDismissFrameLayout (Context context, 
                AttributeSet attrs, 
                int defStyle)

Perform inflation from XML and apply a class-specific base style from a theme attribute. This constructor allows subclasses to use their own base style when they are inflating.

Parameters
context Context: The Context the view is running in, through which it can access the current theme, resources, etc.

attrs AttributeSet: The attributes of the XML tag that is inflating the view.

defStyle int: An attribute in the current theme that contains a reference to a style resource that supplies default values for the view. Can be 0 to not look for defaults.

Public methods

addCallback

void addCallback (SwipeDismissFrameLayout.Callback callback)

Adds a callback for dismissal.

Parameters
callback SwipeDismissFrameLayout.Callback

canScrollHorizontally

boolean canScrollHorizontally (int direction)

Parameters
direction int

Returns
boolean

dismiss

void dismiss (boolean decelerate)

Triggers a dismiss operation.

Parameters
decelerate boolean: whether the view should be dismissed with a deceleration animation.

isDismissEnabled

boolean isDismissEnabled ()

Returns true if swipe to dismiss is currently enabled for this view, false otherwise.

Returns
boolean

isSwipeable

boolean isSwipeable ()

Returns true if the layout reacts to swipe gestures.

Returns
boolean

onInterceptTouchEvent

boolean onInterceptTouchEvent (MotionEvent ev)

Parameters
ev MotionEvent

Returns
boolean

onTouchEvent

boolean onTouchEvent (MotionEvent ev)

Parameters
ev MotionEvent

Returns
boolean

removeCallback

void removeCallback (SwipeDismissFrameLayout.Callback callback)

Removes a callback that was added with addCallback(Callback).

Parameters
callback SwipeDismissFrameLayout.Callback

reset

void reset ()

Resets this view to the original state.

setDismissEnabled

void setDismissEnabled (boolean isDismissEnabled)

Enable or disable the swipe-to-dismiss functionality.

Parameters
isDismissEnabled boolean: whether the view should or should not enable itself to be swiped.

setDismissMinDragWidthRatio

void setDismissMinDragWidthRatio (float ratio)

Parameters
ratio float

setOnDismissedListener

void setOnDismissedListener (SwipeDismissLayout.OnDismissedListener listener)

Parameters
listener SwipeDismissLayout.OnDismissedListener

setOnPreSwipeListener

void setOnPreSwipeListener (SwipeDismissLayout.OnPreSwipeListener listener)

Parameters
listener SwipeDismissLayout.OnPreSwipeListener

setOnSwipeProgressChangedListener

void setOnSwipeProgressChangedListener (SwipeDismissLayout.OnSwipeProgressChangedListener listener)

Parameters
listener SwipeDismissLayout.OnSwipeProgressChangedListener

setSwipeable

void setSwipeable (boolean swipeable)

Sets the layout to swipeable or not. This effectively turns the functionality of this layout on or off.

Parameters
swipeable boolean: whether the layout should react to the swipe gesture.

Protected methods

canScroll

boolean canScroll (View v, 
                boolean checkV, 
                float dx, 
                float x, 
                float y)

Tests scrollability within child views of v in the direction of dx.

Parameters
v View: View to test for horizontal scrollability

checkV boolean: Whether the view v passed should itself be checked for scrollability (true), or just its children (false).

dx float: Delta scrolled in pixels. Only the sign of this is used.

x float: X coordinate of the active touch point

y float: Y coordinate of the active touch point

Returns
boolean true if child views of v can be scrolled by delta of dx.

cancel

void cancel ()

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