# MotionKeyPosition

Artifact: [androidx.constraintlayout:constraintlayout-core](https://developer.android.com/jetpack/androidx/releases/constraintlayout) [View Source](https://cs.android.com/search?q=file:androidx/constraintlayout/core/motion/key/MotionKeyPosition.java+class:androidx.constraintlayout.core.motion.key.MotionKeyPosition) Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

*** ** * ** ***


```
public class MotionKeyPosition extends MotionKey
```

<br />

|---|---|---|
| [java.lang.Object](https://developer.android.com/reference/java/lang/Object.html) |||
| ↳ | [androidx.constraintlayout.core.motion.key.MotionKey](https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey) ||
|   | ↳ | [androidx.constraintlayout.core.motion.key.MotionKeyPosition](https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKeyPosition) |

*** ** * ** ***

## Summary

| ### Constants |
|---|---|
| `static final float` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKeyPosition#SELECTION_SLOPE() = 20.0f` |
| `static final int` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKeyPosition#TYPE_CARTESIAN() = 0` |
| `static final int` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKeyPosition#TYPE_PATH() = 1` |
| `static final int` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKeyPosition#TYPE_SCREEN() = 2` |

| ### Public fields |
|---|---|
| `float` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKeyPosition#mAltPercentX()` |
| `float` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKeyPosition#mAltPercentY()` |
| `int` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKeyPosition#mCurveFit()` |
| `int` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKeyPosition#mDrawPath()` |
| `int` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKeyPosition#mPathMotionArc()` |
| `float` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKeyPosition#mPercentHeight()` |
| `float` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKeyPosition#mPercentWidth()` |
| `float` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKeyPosition#mPercentX()` |
| `float` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKeyPosition#mPercentY()` |
| `int` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKeyPosition#mPositionType()` |
| `https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKeyPosition#mTransitionEasing()` |

| ### Public constructors |
|---|
| `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKeyPosition#MotionKeyPosition()()` |

| ### Public methods |
|---|---|
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKeyPosition#addValues(java.util.HashMap<java.lang.String,androidx.constraintlayout.core.motion.utils.SplineSet>)(https://developer.android.com/reference/java/util/HashMap.html<https://developer.android.com/reference/java/lang/String.html, https://developer.android.com/reference/androidx/constraintlayout/core/motion/utils/SplineSet> splines)` |
| `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKeyPosition#clone()()` |
| `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKeyPosition#copy(androidx.constraintlayout.core.motion.key.MotionKey)(https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey src)` |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKeyPosition#getAttributeNames(java.util.HashSet<java.lang.String>)(https://developer.android.com/reference/java/util/HashSet.html<https://developer.android.com/reference/java/lang/String.html> attributes)` |
| `int` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKeyPosition#getId(java.lang.String)(https://developer.android.com/reference/java/lang/String.html name)` |
| `boolean` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKeyPosition#intersects(int,int,androidx.constraintlayout.core.motion.utils.FloatRect,androidx.constraintlayout.core.motion.utils.FloatRect,float,float)( int layoutWidth, int layoutHeight, https://developer.android.com/reference/androidx/constraintlayout/core/motion/utils/FloatRect start, https://developer.android.com/reference/androidx/constraintlayout/core/motion/utils/FloatRect end, float x, float y )` |
| `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKeyPosition#positionAttributes(androidx.constraintlayout.core.motion.MotionWidget,androidx.constraintlayout.core.motion.utils.FloatRect,androidx.constraintlayout.core.motion.utils.FloatRect,float,float,java.lang.String[],float[])( https://developer.android.com/reference/androidx/constraintlayout/core/motion/MotionWidget view, https://developer.android.com/reference/androidx/constraintlayout/core/motion/utils/FloatRect start, https://developer.android.com/reference/androidx/constraintlayout/core/motion/utils/FloatRect end, float x, float y, String[] attribute, float[] value )` |
| `boolean` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKeyPosition#setValue(int,float)(int type, float value)` Used to set float values |
| `boolean` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKeyPosition#setValue(int,int)(int type, int value)` Used to set integer values |
| `boolean` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKeyPosition#setValue(int,java.lang.String)(int type, https://developer.android.com/reference/java/lang/String.html value)` Used to set String values |

| ### Inherited Constants |
|---|
| From [androidx.constraintlayout.core.motion.key.MotionKey](https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey) |---|---| | `static final https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey#ALPHA() = "alpha"` | | `static final https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey#CUSTOM() = "CUSTOM"` | | `static final https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey#ELEVATION() = "elevation"` | | `static final https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey#ROTATION() = "rotationZ"` | | `static final https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey#ROTATION_X() = "rotationX"` | | `static final https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey#SCALE_X() = "scaleX"` | | `static final https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey#SCALE_Y() = "scaleY"` | | `static final https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey#TRANSITION_PATH_ROTATE() = "transitionPathRotate"` | | `static final https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey#TRANSLATION_X() = "translationX"` | | `static final https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey#TRANSLATION_Y() = "translationY"` | | `static final https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey#VISIBILITY() = "visibility"` | |
| From [androidx.constraintlayout.core.motion.utils.TypedValues](https://developer.android.com/reference/androidx/constraintlayout/core/motion/utils/TypedValues) |---|---| | `static final int` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/utils/TypedValues#BOOLEAN_MASK() = 1` | | `static final int` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/utils/TypedValues#FLOAT_MASK() = 4` | | `static final int` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/utils/TypedValues#INT_MASK() = 2` | | `static final int` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/utils/TypedValues#STRING_MASK() = 8` | | `static final https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/utils/TypedValues#S_CUSTOM() = "CUSTOM"` | | `static final int` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/utils/TypedValues#TYPE_FRAME_POSITION() = 100` | | `static final int` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/utils/TypedValues#TYPE_TARGET() = 101` | |

| ### Inherited fields |
|---|
| From [androidx.constraintlayout.core.motion.key.MotionKey](https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey) |---|---| | `static int` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey#UNSET()` | | `https://developer.android.com/reference/java/util/HashMap.html<https://developer.android.com/reference/java/lang/String.html, https://developer.android.com/reference/androidx/constraintlayout/core/motion/CustomVariable>` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey#mCustom()` | | `int` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey#mFramePosition()` | | `int` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey#mType()` | |

| ### Inherited methods |
|---|
| From [androidx.constraintlayout.core.motion.key.MotionKey](https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey) |---|---| | `int` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey#getFramePosition()()` Gets the current frame position | | `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey#setCustomAttribute(java.lang.String,int,boolean)(https://developer.android.com/reference/java/lang/String.html name, int type, boolean value)` | | `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey#setCustomAttribute(java.lang.String,int,float)(https://developer.android.com/reference/java/lang/String.html name, int type, float value)` | | `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey#setCustomAttribute(java.lang.String,int,int)(https://developer.android.com/reference/java/lang/String.html name, int type, int value)` | | `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey#setCustomAttribute(java.lang.String,int,java.lang.String)(https://developer.android.com/reference/java/lang/String.html name, int type, https://developer.android.com/reference/java/lang/String.html value)` | | `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey#setFramePosition(int)(int pos)` sets the frame position | | `void` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey#setInterpolation(java.util.HashMap<java.lang.String,java.lang.Integer>)(https://developer.android.com/reference/java/util/HashMap.html<https://developer.android.com/reference/java/lang/String.html, https://developer.android.com/reference/java/lang/Integer.html> 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` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey#setValue(int,boolean)(int type, boolean value)` Used to set boolean values | | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/key/MotionKey#setViewId(int)(int id)` | |
| From [androidx.constraintlayout.core.motion.utils.TypedValues](https://developer.android.com/reference/androidx/constraintlayout/core/motion/utils/TypedValues) |---|---| | `abstract boolean` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/utils/TypedValues#setValue(int,boolean)(int id, boolean value)` Used to set boolean values | | `abstract boolean` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/utils/TypedValues#setValue(int,float)(int id, float value)` Used to set float values | | `abstract boolean` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/utils/TypedValues#setValue(int,int)(int id, int value)` Used to set integer values | | `abstract boolean` | `https://developer.android.com/reference/androidx/constraintlayout/core/motion/utils/TypedValues#setValue(int,java.lang.String)(int id, https://developer.android.com/reference/java/lang/String.html value)` Used to set String values | |

## Constants

### SELECTION_SLOPE

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
protected static final float SELECTION_SLOPE = 20.0f
```

### TYPE_CARTESIAN

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public static final int TYPE_CARTESIAN = 0
```

### TYPE_PATH

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public static final int TYPE_PATH = 1
```

### TYPE_SCREEN

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public static final int TYPE_SCREEN = 2
```

## Public fields

### mAltPercentX

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public float mAltPercentX
```

### mAltPercentY

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public float mAltPercentY
```

### mCurveFit

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public int mCurveFit
```

### mDrawPath

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public int mDrawPath
```

### mPathMotionArc

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public int mPathMotionArc
```

### mPercentHeight

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public float mPercentHeight
```

### mPercentWidth

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public float mPercentWidth
```

### mPercentX

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public float mPercentX
```

### mPercentY

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public float mPercentY
```

### mPositionType

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public int mPositionType
```

### mTransitionEasing

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public String mTransitionEasing
```

## Public constructors

### MotionKeyPosition

Added in 1.1.2

```
public MotionKeyPosition()
```

## Public methods

### addValues

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public void addValues(HashMap<String, SplineSet> splines)
```

| Parameters |
|---|---|
| `https://developer.android.com/reference/java/util/HashMap.html<https://developer.android.com/reference/java/lang/String.html, https://developer.android.com/reference/androidx/constraintlayout/core/motion/utils/SplineSet> splines` | splines to write values to |

### clone

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public MotionKey clone()
```

### copy

```
public MotionKey copy(MotionKey src)
```

### getAttributeNames

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public void getAttributeNames(HashSet<String> attributes)
```

### getId

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public int getId(String name)
```

### intersects

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public boolean intersects(
    int layoutWidth,
    int layoutHeight,
    FloatRect start,
    FloatRect end,
    float x,
    float y
)
```

### positionAttributes

Added in [1.1.2](https://developer.android.com/jetpack/androidx/releases/constraintlayout#1.1.2)

```
public void positionAttributes(
    MotionWidget view,
    FloatRect start,
    FloatRect end,
    float x,
    float y,
    String[] attribute,
    float[] value
)
```

### setValue

```
public boolean setValue(int type, float value)
```

Used to set float values

| Returns |
|---|---|
| `boolean` | true if it accepted the value |

### setValue

```
public boolean setValue(int type, int value)
```

Used to set integer values

| Returns |
|---|---|
| `boolean` | true if it accepted the value |

### setValue

```
public boolean setValue(int type, String value)
```

Used to set String values

| Returns |
|---|---|
| `boolean` | true if it accepted the value |