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Added in API level 1

GridLayoutAnimationController

public class GridLayoutAnimationController
extends LayoutAnimationController

java.lang.Object
↳	android.view.animation.LayoutAnimationController
	↳	android.view.animation.GridLayoutAnimationController

A layout animation controller is used to animated a grid layout's children. While LayoutAnimationController relies only on the index of the child in the view group to compute the animation delay, this class uses both the X and Y coordinates of the child within a grid. In addition, the animation direction can be controlled. The default direction is DIRECTION_LEFT_TO_RIGHT | DIRECTION_TOP_TO_BOTTOM. You can also set the animation priority to columns or rows. The default priority is none. Information used to compute the animation delay of each child are stored in an instance of GridLayoutAnimationController.AnimationParameters, itself stored in the ViewGroup.LayoutParams of the view.

See also:

Summary

Nested classes
`class`	`GridLayoutAnimationController.AnimationParameters` The set of parameters that has to be attached to each view contained in the view group animated by the grid layout animation controller.

XML attributes
`android:columnDelay`	Fraction of the animation duration used to delay the beginning of the animation of each column.
`android:direction`	Direction of the animation in the grid.
`android:directionPriority`	Priority of the rows and columns.
`android:rowDelay`	Fraction of the animation duration used to delay the beginning of the animation of each row.

Inherited XML attributes

From class


  android.view.animation.LayoutAnimationController

Constants
`int`	`DIRECTION_BOTTOM_TO_TOP` Animates the children starting from the bottom of the grid to the top.
`int`	`DIRECTION_HORIZONTAL_MASK` Bitmask used to retrieve the horizontal component of the direction.
`int`	`DIRECTION_LEFT_TO_RIGHT` Animates the children starting from the left of the grid to the right.
`int`	`DIRECTION_RIGHT_TO_LEFT` Animates the children starting from the right of the grid to the left.
`int`	`DIRECTION_TOP_TO_BOTTOM` Animates the children starting from the top of the grid to the bottom.
`int`	`DIRECTION_VERTICAL_MASK` Bitmask used to retrieve the vertical component of the direction.
`int`	`PRIORITY_COLUMN` Columns are animated first.
`int`	`PRIORITY_NONE` Rows and columns are animated at the same time.
`int`	`PRIORITY_ROW` Rows are animated first.

Inherited constants

From class


    android.view.animation.LayoutAnimationController

Inherited fields

From class


    android.view.animation.LayoutAnimationController

Public constructors
`GridLayoutAnimationController(Context context, AttributeSet attrs)` Creates a new grid layout animation controller from external resources.
`GridLayoutAnimationController(Animation animation)` Creates a new layout animation controller with a delay of 50% for both rows and columns and the specified animation.
`GridLayoutAnimationController(Animation animation, float columnDelay, float rowDelay)` Creates a new layout animation controller with the specified delays and the specified animation.

Public methods
`float`	`getColumnDelay()` Returns the delay by which the children's animation are offset from one column to the other.
`int`	`getDirection()` Returns the direction of the animation.
`int`	`getDirectionPriority()` Returns the direction priority for the animation.
`float`	`getRowDelay()` Returns the delay by which the children's animation are offset from one row to the other.
`void`	`setColumnDelay(float columnDelay)` Sets the delay, as a fraction of the animation duration, by which the children's animations are offset from one column to the other.
`void`	`setDirection(int direction)` Sets the direction of the animation.
`void`	`setDirectionPriority(int directionPriority)` Specifies the direction priority of the animation.
`void`	`setRowDelay(float rowDelay)` Sets the delay, as a fraction of the animation duration, by which the children's animations are offset from one row to the other.
`boolean`	`willOverlap()` Indicates whether two children's animations will overlap.

Protected methods
`long`	`getDelayForView(View view)` Returns the amount of milliseconds by which the specified view's animation must be delayed or offset.

Inherited methods

From class


  
    android.view.animation.LayoutAnimationController

`Animation`	`getAnimation()` Returns the animation applied to each child of the view group on which this controller is set.
`final Animation`	`getAnimationForView(View view)` Returns the animation to be applied to the specified view.
`float`	`getDelay()` Returns the delay by which the children's animation are offset.
`long`	`getDelayForView(View view)` Returns the amount of milliseconds by which the specified view's animation must be delayed or offset.
`Interpolator`	`getInterpolator()` Returns the interpolator used to interpolate the delays between the children.
`int`	`getOrder()` Returns the order used to compute the delay of each child's animation.
`int`	`getTransformedIndex(LayoutAnimationController.AnimationParameters params)` Transforms the index stored in `LayoutAnimationController.AnimationParameters` by the order returned by `getOrder()`.
`boolean`	`isDone()` Indicates whether the layout animation is over or not.
`void`	`setAnimation(Animation animation)` Sets the animation to be run on each child of the view group on which this layout animation controller is .
`void`	`setAnimation(Context context, int resourceID)` Sets the animation to be run on each child of the view group on which this layout animation controller is .
`void`	`setDelay(float delay)` Sets the delay, as a fraction of the animation duration, by which the children's animations are offset.
`void`	`setInterpolator(Context context, int resourceID)` Sets the interpolator used to interpolate the delays between the children.
`void`	`setInterpolator(Interpolator interpolator)` Sets the interpolator used to interpolate the delays between the children.
`void`	`setOrder(int order)` Sets the order used to compute the delay of each child's animation.
`void`	`start()` Starts the animation.
`boolean`	`willOverlap()` Indicates whether two children's animations will overlap.

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 millis, 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 millis)` 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.

XML attributes

android:columnDelay

Fraction of the animation duration used to delay the beginning of the animation of each column.

May be a floating point value, such as "1.2".

May be a fractional value, which is a floating point number appended with either % or %p, such as "14.5%". The % suffix always means a percentage of the base size; the optional %p suffix provides a size relative to some parent container.

This may also be a reference to a resource (in the form "@[package:]type:name") or theme attribute (in the form "?[package:][type:]name") containing a value of this type.

This corresponds to the global attribute resource symbol columnDelay.

android:direction

Direction of the animation in the grid.

Must be one or more (separated by '|') of the following constant values.

Constant	Value	Description
`left_to_right`	0x0	Animates columns from left to right.
`right_to_left`	0x1	Animates columns from right to left.
`top_to_bottom`	0x0	Animates rows from top to bottom.
`bottom_to_top`	0x2	Animates rows from bottom to top.

This corresponds to the global attribute resource symbol direction.

android:directionPriority

Priority of the rows and columns. When the priority is none, both rows and columns have the same priority. When the priority is column, the animations will be applied on the columns first. The same goes for rows.

Must be one of the following constant values.

Constant	Value	Description
`none`	0	Rows and columns are animated at the same time.
`column`	1	Columns are animated first.
`row`	2	Rows are animated first.

This corresponds to the global attribute resource symbol directionPriority.

android:rowDelay

Fraction of the animation duration used to delay the beginning of the animation of each row.

May be a floating point value, such as "1.2".

This may also be a reference to a resource (in the form "@[package:]type:name") or theme attribute (in the form "?[package:][type:]name") containing a value of this type.

This corresponds to the global attribute resource symbol rowDelay.

Constants

DIRECTION_BOTTOM_TO_TOP

Added in API level 1

int DIRECTION_BOTTOM_TO_TOP

Animates the children starting from the bottom of the grid to the top.

Constant Value: 2 (0x00000002)

DIRECTION_HORIZONTAL_MASK

Added in API level 1

int DIRECTION_HORIZONTAL_MASK

Bitmask used to retrieve the horizontal component of the direction.

Constant Value: 1 (0x00000001)

DIRECTION_LEFT_TO_RIGHT

Added in API level 1

int DIRECTION_LEFT_TO_RIGHT

Animates the children starting from the left of the grid to the right.

Constant Value: 0 (0x00000000)

DIRECTION_RIGHT_TO_LEFT

Added in API level 1

int DIRECTION_RIGHT_TO_LEFT

Animates the children starting from the right of the grid to the left.

Constant Value: 1 (0x00000001)

DIRECTION_TOP_TO_BOTTOM

Added in API level 1

int DIRECTION_TOP_TO_BOTTOM

Animates the children starting from the top of the grid to the bottom.

Constant Value: 0 (0x00000000)

DIRECTION_VERTICAL_MASK

Added in API level 1

int DIRECTION_VERTICAL_MASK

Bitmask used to retrieve the vertical component of the direction.

Constant Value: 2 (0x00000002)

PRIORITY_COLUMN

Added in API level 1

int PRIORITY_COLUMN

Columns are animated first.

Constant Value: 1 (0x00000001)

PRIORITY_NONE

Added in API level 1

int PRIORITY_NONE

Rows and columns are animated at the same time.

Constant Value: 0 (0x00000000)

PRIORITY_ROW

Added in API level 1

int PRIORITY_ROW

Rows are animated first.

Constant Value: 2 (0x00000002)

Public constructors

GridLayoutAnimationController

Added in API level 1

GridLayoutAnimationController (Context context, 
                AttributeSet attrs)

Creates a new grid layout animation controller from external resources.

Parameters
`context`	`Context`: the Context the view group is running in, through which it can access the resources
`attrs`	`AttributeSet`: the attributes of the XML tag that is inflating the layout animation controller

GridLayoutAnimationController

Added in API level 1

GridLayoutAnimationController (Animation animation)

Creates a new layout animation controller with a delay of 50% for both rows and columns and the specified animation.

Parameters
`animation`	`Animation`: the animation to use on each child of the view group

GridLayoutAnimationController

Added in API level 1

GridLayoutAnimationController (Animation animation, 
                float columnDelay, 
                float rowDelay)

Creates a new layout animation controller with the specified delays and the specified animation.

Parameters
`animation`	`Animation`: the animation to use on each child of the view group
`columnDelay`	`float`: the delay by which each column animation must be offset
`rowDelay`	`float`: the delay by which each row animation must be offset

Public methods

getColumnDelay

Added in API level 1

float getColumnDelay ()

Returns the delay by which the children's animation are offset from one column to the other. The delay is expressed as a fraction of the animation duration.

Returns
`float`	a fraction of the animation duration

See also:

getDirection

Added in API level 1

int getDirection ()

Returns the direction of the animation. DIRECTION_HORIZONTAL_MASK and DIRECTION_VERTICAL_MASK can be used to retrieve the horizontal and vertical components of the direction.

Returns
`int`	the direction of the animation

See also:

getDirectionPriority

Added in API level 1

int getDirectionPriority ()

Returns the direction priority for the animation. The priority can be either PRIORITY_NONE, PRIORITY_COLUMN or PRIORITY_ROW.

Returns
`int`	the priority of the animation direction

See also:

getRowDelay

Added in API level 1

float getRowDelay ()

Returns the delay by which the children's animation are offset from one row to the other. The delay is expressed as a fraction of the animation duration.

Returns
`float`	a fraction of the animation duration

See also:

setColumnDelay

Added in API level 1

void setColumnDelay (float columnDelay)

Sets the delay, as a fraction of the animation duration, by which the children's animations are offset from one column to the other.

Parameters
`columnDelay`	`float`: a fraction of the animation duration

See also:

setDirection

Added in API level 1

void setDirection (int direction)

Sets the direction of the animation. The direction is expressed as an integer containing a horizontal and vertical component. For instance, DIRECTION_BOTTOM_TO_TOP | DIRECTION_RIGHT_TO_LEFT.

Parameters
`direction`	`int`: the direction of the animation

See also:

setDirectionPriority

Added in API level 1

void setDirectionPriority (int directionPriority)

Specifies the direction priority of the animation. For instance, PRIORITY_COLUMN will give priority to columns: the animation will first play on the column, then on the rows.Z

Parameters
`directionPriority`	`int`: the direction priority of the animation

See also:

setRowDelay

Added in API level 1

void setRowDelay (float rowDelay)

Sets the delay, as a fraction of the animation duration, by which the children's animations are offset from one row to the other.

Parameters
`rowDelay`	`float`: a fraction of the animation duration

See also:

willOverlap

Added in API level 1

boolean willOverlap ()

Indicates whether two children's animations will overlap. Animations overlap when the delay is lower than 100% (or 1.0).

Returns
`boolean`	true if animations will overlap, false otherwise

Protected methods

getDelayForView

Added in API level 1

long getDelayForView (View view)

Returns the amount of milliseconds by which the specified view's animation must be delayed or offset. Subclasses should override this method to return a suitable value. This implementation returns child animation delay milliseconds where:

 child animation delay = child index * delay

The index is retrieved from the LayoutAnimationController.AnimationParameters found in the view's ViewGroup.LayoutParams.

Parameters
`view`	`View`: the view for which to obtain the animation's delay

Returns
`long`	a delay in milliseconds

Most visited

Recently visited

Results for

GridLayoutAnimationController

Summary

Nested classes

XML attributes

Inherited XML attributes

Constants

Inherited constants

Inherited fields

Public constructors

Public methods

Protected methods

Inherited methods

XML attributes

android:columnDelay

android:direction

android:directionPriority

android:rowDelay

Constants

DIRECTION_BOTTOM_TO_TOP

DIRECTION_HORIZONTAL_MASK

DIRECTION_LEFT_TO_RIGHT

DIRECTION_RIGHT_TO_LEFT

DIRECTION_TOP_TO_BOTTOM

DIRECTION_VERTICAL_MASK

PRIORITY_COLUMN

PRIORITY_NONE

PRIORITY_ROW

Public constructors

GridLayoutAnimationController

GridLayoutAnimationController

GridLayoutAnimationController

Public methods

getColumnDelay

getDirection

getDirectionPriority

getRowDelay

setColumnDelay

setDirection

setDirectionPriority

setRowDelay

willOverlap

Protected methods

getDelayForView