Constraints.LayoutParams

Artifact: androidx.constraintlayout:constraintlayout

Added in 2.2.0

Kotlin |Java

public class Constraints.LayoutParams extends ConstraintLayout.LayoutParams

java.lang.Object
↳	android.view.ViewGroup.LayoutParams
	↳	android.view.ViewGroup.MarginLayoutParams
		↳	androidx.constraintlayout.widget.ConstraintLayout.LayoutParams
			↳	androidx.constraintlayout.widget.Constraints.LayoutParams

Summary

Public fields
`float`	`alpha`
`boolean`	`applyElevation`
`float`	`elevation`
`float`	`rotation`
`float`	`rotationX`
`float`	`rotationY`
`float`	`scaleX`
`float`	`scaleY`
`float`	`transformPivotX`
`float`	`transformPivotY`
`float`	`translationX`
`float`	`translationY`
`float`	`translationZ`

Public constructors
`LayoutParams(Constraints.LayoutParams source)`
`LayoutParams(Context c, AttributeSet attrs)`
`LayoutParams(int width, int height)`

Inherited Constants

From androidx.constraintlayout.widget.ConstraintLayout.LayoutParams

`static final int`	`BASELINE = 5` The baseline of the text in a view.
`static final int`	`BOTTOM = 4` The bottom side of a view.
`static final int`	`CHAIN_PACKED = 2` Chain packed style
`static final int`	`CHAIN_SPREAD = 0` Chain spread style
`static final int`	`CHAIN_SPREAD_INSIDE = 1` Chain spread inside style
`static final int`	`CIRCLE = 8` Circle reference from a view.
`static final int`	`END = 7` The right side of a view in left to right languages.
`static final int`	`GONE_UNSET = -2147483648` Defines an id that is not set.
`static final int`	`HORIZONTAL = 0` The horizontal orientation.
`static final int`	`LEFT = 1` The left side of a view.
`static final int`	`MATCH_CONSTRAINT = 0` Dimension will be controlled by constraints.
`static final int`	`MATCH_CONSTRAINT_PERCENT = 2` Set matchConstraintDefault* percent to be based on a percent of another dimension (by default, the parent) Use to set the matchConstraintDefaultWidth and matchConstraintDefaultHeight
`static final int`	`MATCH_CONSTRAINT_SPREAD = 0` Set matchConstraintDefault* spread as much as possible within its constraints.
`static final int`	`MATCH_CONSTRAINT_WRAP = 1` Set matchConstraintDefault* default to the wrap content size.
`static final int`	`PARENT_ID = 0` References the id of the parent.
`static final int`	`RIGHT = 2` The right side of a view.
`static final int`	`START = 6` The left side of a view in left to right languages.
`static final int`	`TOP = 3` The top of a view.
`static final int`	`UNSET = -1` Defines an id that is not set.
`static final int`	`VERTICAL = 1` The vertical orientation.
`static final int`	`WRAP_BEHAVIOR_HORIZONTAL_ONLY = 1`
`static final int`	`WRAP_BEHAVIOR_INCLUDED = 0`
`static final int`	`WRAP_BEHAVIOR_SKIPPED = 3`
`static final int`	`WRAP_BEHAVIOR_VERTICAL_ONLY = 2`

From android.view.ViewGroup.LayoutParams

`static final int`	`FILL_PARENT = -1` This field is deprecated.
`static final int`	`MATCH_PARENT = -1`
`static final int`	`WRAP_CONTENT = -2`

Inherited fields

From androidx.constraintlayout.widget.ConstraintLayout.LayoutParams

`int`	`baselineMargin` The baseline margin.
`int`	`baselineToBaseline` Constrains the baseline of a child to the baseline of a target child (contains the target child id).
`int`	`baselineToBottom` Constrains the baseline of a child to the bottom of a target child (contains the target child id).
`int`	`baselineToTop` Constrains the baseline of a child to the top of a target child (contains the target child id).
`int`	`bottomToBottom` Constrains the bottom side of a child to the bottom side of a target child (contains the target child id).
`int`	`bottomToTop` Constrains the bottom side of a child to the top side of a target child (contains the target child id).
`float`	`circleAngle` The angle used for a circular constraint]
`int`	`circleConstraint` Constrains the center of a child to the center of a target child (contains the target child id).
`int`	`circleRadius` The radius used for a circular constraint
`boolean`	`constrainedHeight` Specify if the vertical dimension is constrained in case both top &bottom constraints are set and the widget dimension is not a fixed dimension.
`boolean`	`constrainedWidth` Specify if the horizontal dimension is constrained in case both left &right constraints are set and the widget dimension is not a fixed dimension.
`String`	`constraintTag` Define a category of view to be used by helpers and motionLayout
`String`	`dimensionRatio` The ratio information.
`int`	`editorAbsoluteX` The design time location of the left side of the child.
`int`	`editorAbsoluteY` The design time location of the right side of the child.
`int`	`endToEnd` Constrains the end side of a child to the end side of a target child (contains the target child id).
`int`	`endToStart` Constrains the end side of a child to the start side of a target child (contains the target child id).
`int`	`goneBaselineMargin` The baseline margin to use when the target is gone.
`int`	`goneBottomMargin` The bottom margin to use when the target is gone.
`int`	`goneEndMargin` The end margin to use when the target is gone.
`int`	`goneLeftMargin` The left margin to use when the target is gone.
`int`	`goneRightMargin` The right margin to use when the target is gone
`int`	`goneStartMargin` The start margin to use when the target is gone.
`int`	`goneTopMargin` The top margin to use when the target is gone.
`int`	`guideBegin` The distance of child (guideline) to the top or left edge of its parent.
`int`	`guideEnd` The distance of child (guideline) to the bottom or right edge of its parent.
`float`	`guidePercent` The ratio of the distance to the parent's sides
`boolean`	`guidelineUseRtl` The ratio of the distance to the parent's sides
`boolean`	`helped`
`float`	`horizontalBias` The ratio between two connections when the left and right (or start and end) sides are constrained.
`int`	`horizontalChainStyle` If the child is the start of a horizontal chain, this attribute will drive how the elements of the chain will be positioned.
`float`	`horizontalWeight` The child's weight that we can use to distribute the available horizontal space in a chain, if the dimension behaviour is set to MATCH_CONSTRAINT
`int`	`leftToLeft` Constrains the left side of a child to the left side of a target child (contains the target child id).
`int`	`leftToRight` Constrains the left side of a child to the right side of a target child (contains the target child id).
`int`	`matchConstraintDefaultHeight` Define how the widget vertical dimension is handled when set to MATCH_CONSTRAINT
`int`	`matchConstraintDefaultWidth` Define how the widget horizontal dimension is handled when set to MATCH_CONSTRAINT
`int`	`matchConstraintMaxHeight` Specify a maximum height size for the widget.
`int`	`matchConstraintMaxWidth` Specify a maximum width size for the widget.
`int`	`matchConstraintMinHeight` Specify a minimum height size for the widget.
`int`	`matchConstraintMinWidth` Specify a minimum width size for the widget.
`float`	`matchConstraintPercentHeight` Specify the percentage when using the match constraint percent mode.
`float`	`matchConstraintPercentWidth` Specify the percentage when using the match constraint percent mode.
`int`	`orientation`
`int`	`rightToLeft` Constrains the right side of a child to the left side of a target child (contains the target child id).
`int`	`rightToRight` Constrains the right side of a child to the right side of a target child (contains the target child id).
`int`	`startToEnd` Constrains the start side of a child to the end side of a target child (contains the target child id).
`int`	`startToStart` Constrains the start side of a child to the start side of a target child (contains the target child id).
`int`	`topToBottom` Constrains the top side of a child to the bottom side of a target child (contains the target child id).
`int`	`topToTop` Constrains the top side of a child to the top side of a target child (contains the target child id).
`float`	`verticalBias` The ratio between two connections when the top and bottom sides are constrained.
`int`	`verticalChainStyle` If the child is the start of a vertical chain, this attribute will drive how the elements of the chain will be positioned.
`float`	`verticalWeight` The child's weight that we can use to distribute the available vertical space in a chain, if the dimension behaviour is set to MATCH_CONSTRAINT
`int`	`wrapBehaviorInParent` Specify how this view is taken in account during the parent's wrap computation Can be either of: WRAP_BEHAVIOR_INCLUDED the widget is taken in account for the wrap (default) WRAP_BEHAVIOR_HORIZONTAL_ONLY the widget will be included in the wrap only horizontally WRAP_BEHAVIOR_VERTICAL_ONLY the widget will be included in the wrap only vertically WRAP_BEHAVIOR_SKIPPED the widget is not part of the wrap computation

From android.view.ViewGroup.LayoutParams

`int`	`height`
`LayoutAnimationController.AnimationParameters`	`layoutAnimationParameters`
`int`	`width`

From android.view.ViewGroup.MarginLayoutParams

`int`	`bottomMargin`
`int`	`leftMargin`
`int`	`rightMargin`
`int`	`topMargin`

Inherited methods

From androidx.constraintlayout.widget.ConstraintLayout.LayoutParams

`String`	`getConstraintTag()` Tag that can be used to identify a view as being a member of a group.
`ConstraintWidget`	`getConstraintWidget()`
`void`	`reset()` Reset the ConstraintWidget
`void`	`resolveLayoutDirection(int layoutDirection)`
`void`	`setWidgetDebugName(String text)`
`void`	`validate()` validate the layout

From android.view.ViewGroup.LayoutParams

void

setBaseAttributes(TypedArray a, int widthAttr, int heightAttr)

From android.view.ViewGroup.MarginLayoutParams

`int`	`getLayoutDirection()`
`int`	`getMarginEnd()`
`int`	`getMarginStart()`
`boolean`	`isMarginRelative()`
`void`	`resolveLayoutDirection(int layoutDirection)`
`void`	`setLayoutDirection(int layoutDirection)`
`void`	`setMarginEnd(int end)`
`void`	`setMarginStart(int start)`
`void`	`setMargins(int left, int top, int right, int bottom)`

Public fields

alpha

Added in 2.2.0

public float alpha

applyElevation

Added in 2.2.0

public boolean applyElevation

elevation

Added in 2.2.0

public float elevation

rotation

Added in 2.2.0

public float rotation

rotationX

Added in 2.2.0

public float rotationX

rotationY

Added in 2.2.0

public float rotationY

scaleX

Added in 2.2.0

public float scaleX

scaleY

Added in 2.2.0

public float scaleY

transformPivotX

Added in 2.2.0

public float transformPivotX

transformPivotY

Added in 2.2.0

public float transformPivotY

translationX

Added in 2.2.0

public float translationX

translationY

Added in 2.2.0

public float translationY

translationZ

Added in 2.2.0

public float translationZ

Public constructors

Added in 2.2.0

public LayoutParams(Constraints.LayoutParams source)

LayoutParams

Added in 2.2.0

public LayoutParams(Context c, AttributeSet attrs)

LayoutParams

Added in 2.2.0

public LayoutParams(int width, int height)