androidx.constraintlayout.core.motion.key

Class MotionKey

java.lang.Object

androidx.constraintlayout.core.motion.key.MotionKey

All Implemented Interfaces:

TypedValues

Direct Known Subclasses:

MotionKeyAttributes, MotionKeyCycle, MotionKeyPosition, MotionKeyTimeCycle, MotionKeyTrigger

public abstract class MotionKey
extends java.lang.Object
implements TypedValues

Base class in an element in a KeyFrame

Nested Class Summary

Nested classes/interfaces inherited from interface androidx.constraintlayout.core.motion.utils.TypedValues

TypedValues.AttributesType, TypedValues.Custom, TypedValues.CycleType, TypedValues.MotionScene, TypedValues.MotionType, TypedValues.OnSwipe, TypedValues.PositionType, TypedValues.TransitionType, TypedValues.TriggerType

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	ALPHA
static java.lang.String	CUSTOM
static java.lang.String	ELEVATION
java.util.HashMap<java.lang.String,CustomVariable>	mCustom
int	mFramePosition
int	mType
static java.lang.String	ROTATION
static java.lang.String	ROTATION_X
static java.lang.String	SCALE_X
static java.lang.String	SCALE_Y
static java.lang.String	TRANSITION_PATH_ROTATE
static java.lang.String	TRANSLATION_X
static java.lang.String	TRANSLATION_Y
static int	UNSET
static java.lang.String	VISIBILITY

Fields inherited from interface androidx.constraintlayout.core.motion.utils.TypedValues

BOOLEAN_MASK, FLOAT_MASK, INT_MASK, S_CUSTOM, STRING_MASK, TYPE_FRAME_POSITION, TYPE_TARGET

Constructor Summary

Constructors

Constructor and Description
MotionKey()

Method Summary

Modifier and Type	Method and Description
abstract void	addValues(java.util.HashMap<java.lang.String,SplineSet> splines) Defines method to add a a view to splines derived form this key frame.
abstract MotionKey	clone()
MotionKey	copy(MotionKey src)
abstract void	getAttributeNames(java.util.HashSet<java.lang.String> attributes)
int	getFramePosition() Gets the current frame position
void	setCustomAttribute(java.lang.String name, int type, boolean value)
void	setCustomAttribute(java.lang.String name, int type, float value)
void	setCustomAttribute(java.lang.String name, int type, int value)
void	setCustomAttribute(java.lang.String name, int type, java.lang.String value)
void	setFramePosition(int pos) sets the frame position
void	setInterpolation(java.util.HashMap<java.lang.String,java.lang.Integer> interpolation) Key frame can specify the type of interpolation it wants on various attributes For each string it set it to -1, CurveFit.LINEAR or CurveFit.SPLINE
boolean	setValue(int type, boolean value) Used to set boolean values
boolean	setValue(int type, float value) Used to set float values
boolean	setValue(int type, int value) Used to set integer values
boolean	setValue(int type, java.lang.String value) Used to set String values
MotionKey	setViewId(int id)

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface androidx.constraintlayout.core.motion.utils.TypedValues

getId

Field Detail

UNSET

public static int UNSET

mFramePosition

public int mFramePosition

mType

public int mType

mCustom

public java.util.HashMap<java.lang.String,CustomVariable> mCustom

ALPHA

public static final java.lang.String ALPHA

See Also:

Constant Field Values

ELEVATION

public static final java.lang.String ELEVATION

See Also:

Constant Field Values

ROTATION

public static final java.lang.String ROTATION

See Also:

Constant Field Values

ROTATION_X

public static final java.lang.String ROTATION_X

See Also:

Constant Field Values

TRANSITION_PATH_ROTATE

public static final java.lang.String TRANSITION_PATH_ROTATE

See Also:

Constant Field Values

SCALE_X

public static final java.lang.String SCALE_X

See Also:

Constant Field Values

SCALE_Y

public static final java.lang.String SCALE_Y

See Also:

Constant Field Values

TRANSLATION_X

public static final java.lang.String TRANSLATION_X

See Also:

Constant Field Values

TRANSLATION_Y

public static final java.lang.String TRANSLATION_Y

See Also:

Constant Field Values

CUSTOM

public static final java.lang.String CUSTOM

See Also:

Constant Field Values

VISIBILITY

public static final java.lang.String VISIBILITY

See Also:

Constant Field Values

Constructor Detail

MotionKey

public MotionKey()

Method Detail

getAttributeNames

public abstract void getAttributeNames(java.util.HashSet<java.lang.String> attributes)

addValues

public abstract void addValues(java.util.HashMap<java.lang.String,SplineSet> splines)

Defines method to add a a view to splines derived form this key frame. The values are written to the spline

Parameters:

splines - splines to write values to

setInterpolation

public void setInterpolation(java.util.HashMap<java.lang.String,java.lang.Integer> interpolation)

Key frame can specify the type of interpolation it wants on various attributes For each string it set it to -1, CurveFit.LINEAR or CurveFit.SPLINE

Parameters:

interpolation -

copy

public MotionKey copy(MotionKey src)

clone

public abstract MotionKey clone()

Overrides:

clone in class java.lang.Object

setViewId

public MotionKey setViewId(int id)

setFramePosition

public void setFramePosition(int pos)

sets the frame position

Parameters:

pos -

getFramePosition

public int getFramePosition()

Gets the current frame position

Returns:

setValue

public boolean setValue(int type,
                        int value)

Description copied from interface: TypedValues

Used to set integer values

Specified by:

setValue in interface TypedValues

Returns:

true if it accepted the value

setValue

public boolean setValue(int type,
                        float value)

Description copied from interface: TypedValues

Used to set float values

Specified by:

setValue in interface TypedValues

Returns:

true if it accepted the value

setValue

public boolean setValue(int type,
                        java.lang.String value)

Description copied from interface: TypedValues

Used to set String values

Specified by:

setValue in interface TypedValues

Returns:

true if it accepted the value

setValue

public boolean setValue(int type,
                        boolean value)

Description copied from interface: TypedValues

Used to set boolean values

Specified by:

setValue in interface TypedValues

Returns:

true if it accepted the value

setCustomAttribute

public void setCustomAttribute(java.lang.String name,
                               int type,
                               float value)

setCustomAttribute

public void setCustomAttribute(java.lang.String name,
                               int type,
                               int value)

setCustomAttribute

public void setCustomAttribute(java.lang.String name,
                               int type,
                               boolean value)

setCustomAttribute

public void setCustomAttribute(java.lang.String name,
                               int type,
                               java.lang.String value)