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ViewGroup.MarginLayoutParams

public static class ViewGroup.MarginLayoutParams
extends ViewGroup.LayoutParams

java.lang.Object
↳	android.view.ViewGroup.LayoutParams
	↳	android.view.ViewGroup.MarginLayoutParams

Known direct subclasses

ActionBar.LayoutParams, FrameLayout.LayoutParams, GridLayout.LayoutParams, LinearLayout.LayoutParams, RelativeLayout.LayoutParams

ActionBar.LayoutParams	Per-child layout information associated with action bar custom views.
FrameLayout.LayoutParams	Per-child layout information for layouts that support margins.
GridLayout.LayoutParams	Layout information associated with each of the children of a GridLayout.
LinearLayout.LayoutParams	Per-child layout information associated with ViewLinearLayout.
RelativeLayout.LayoutParams	Specifies how a view is positioned within a `RelativeLayout`.

Known indirect subclasses

ActionMenuView.LayoutParams, RadioGroup.LayoutParams, TableLayout.LayoutParams, TableRow.LayoutParams, Toolbar.LayoutParams

ActionMenuView.LayoutParams
RadioGroup.LayoutParams	This set of layout parameters defaults the width and the height of the children to `ViewGroup.LayoutParams.WRAP_CONTENT` when they are not specified in the XML file.
TableLayout.LayoutParams	This set of layout parameters enforces the width of each child to be `ViewGroup.LayoutParams.MATCH_PARENT` and the height of each child to be `ViewGroup.LayoutParams.WRAP_CONTENT`, but only if the height is not specified.
TableRow.LayoutParams	Set of layout parameters used in table rows.
Toolbar.LayoutParams	Layout information for child views of Toolbars.

Per-child layout information for layouts that support margins. See ViewGroup Margin Layout Attributes for a list of all child view attributes that this class supports.

Summary

XML attributes
`android:layout_margin`	Specifies extra space on the left, top, right and bottom sides of this view.
`android:layout_marginBottom`	Specifies extra space on the bottom side of this view.
`android:layout_marginEnd`	Specifies extra space on the end side of this view.
`android:layout_marginHorizontal`	Specifies extra space on the left and right sides of this view.
`android:layout_marginLeft`	Specifies extra space on the left side of this view.
`android:layout_marginRight`	Specifies extra space on the right side of this view.
`android:layout_marginStart`	Specifies extra space on the start side of this view.
`android:layout_marginTop`	Specifies extra space on the top side of this view.
`android:layout_marginVertical`	Specifies extra space on the top and bottom sides of this view.

Inherited XML attributes

From class android.view.ViewGroup.LayoutParams

`android:layout_height`	Specifies the basic height of the view.
`android:layout_width`	Specifies the basic width of the view.

Inherited constants

From class android.view.ViewGroup.LayoutParams

`int`	`FILL_PARENT` Special value for the height or width requested by a View.
`int`	`MATCH_PARENT` Special value for the height or width requested by a View.
`int`	`WRAP_CONTENT` Special value for the height or width requested by a View.

Fields
`public int`	`bottomMargin` The bottom margin in pixels of the child.
`public int`	`leftMargin` The left margin in pixels of the child.
`public int`	`rightMargin` The right margin in pixels of the child.
`public int`	`topMargin` The top margin in pixels of the child.

Inherited fields

From class android.view.ViewGroup.LayoutParams

`public int`	`height` Information about how tall the view wants to be.
`public LayoutAnimationController.AnimationParameters`	`layoutAnimationParameters` Used to animate layouts.
`public int`	`width` Information about how wide the view wants to be.

Public constructors
`MarginLayoutParams(Context c, AttributeSet attrs)` Creates a new set of layout parameters.
`MarginLayoutParams(int width, int height)`
`MarginLayoutParams(ViewGroup.MarginLayoutParams source)` Copy constructor.
`MarginLayoutParams(ViewGroup.LayoutParams source)`

Public methods
`int`	`getLayoutDirection()` Retuns the layout direction.
`int`	`getMarginEnd()` Returns the end margin in pixels.
`int`	`getMarginStart()` Returns the start margin in pixels.
`boolean`	`isMarginRelative()` Check if margins are relative.
`void`	`resolveLayoutDirection(int layoutDirection)` This will be called by `View.requestLayout()`.
`void`	`setLayoutDirection(int layoutDirection)` Set the layout direction
`void`	`setMarginEnd(int end)` Sets the relative end margin.
`void`	`setMarginStart(int start)` Sets the relative start margin.
`void`	`setMargins(int left, int top, int right, int bottom)` Sets the margins, in pixels.

Inherited methods

From class


        
          android.view.ViewGroup.LayoutParams

`void`	`resolveLayoutDirection(int layoutDirection)` Resolve layout parameters depending on the layout direction.
`void`	`setBaseAttributes(TypedArray a, int widthAttr, int heightAttr)` Extracts the layout parameters from the supplied attributes.

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 timeout, 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 timeout)` 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:layout_margin

Specifies extra space on the left, top, right and bottom sides of this view. If both layout_margin and any of layout_marginLeft, layout_marginRight, layout_marginStart, layout_marginEnd, layout_marginTop, and layout_marginBottom are also specified, the layout_margin value will take precedence over the edge-specific values. This space is outside this view's bounds. Margin values should be positive.

May be a dimension value, which is a floating point number appended with a unit such as "14.5sp". Available units are: px (pixels), dp (density-independent pixels), sp (scaled pixels based on preferred font size), in (inches), and mm (millimeters).

android:layout_marginBottom

Specifies extra space on the bottom side of this view. This space is outside this view's bounds. Margin values should be positive.

Related methods:

setMargins(int,int,int,int)

android:layout_marginEnd

Specifies extra space on the end side of this view. This space is outside this view's bounds. Margin values should be positive.

Related methods:

setMarginEnd(int)

android:layout_marginHorizontal

Specifies extra space on the left and right sides of this view. Specifying layout_marginHorizontal is equivalent to specifying layout_marginLeft and layout_marginRight. If both layout_marginHorizontal and either/both of layout_marginLeft and layout_marginRight are also specified, the layout_marginHorizontal value will take precedence over the edge-specific values. Also, layout_margin will always take precedence over any of these values, including layout_marginHorizontal. This space is outside this view's bounds. Margin values should be positive.

android:layout_marginLeft

Specifies extra space on the left side of this view. This space is outside this view's bounds. Margin values should be positive.

Related methods:

setMargins(int,int,int,int)

android:layout_marginRight

Specifies extra space on the right side of this view. This space is outside this view's bounds. Margin values should be positive.

Related methods:

setMargins(int,int,int,int)

android:layout_marginStart

Specifies extra space on the start side of this view. This space is outside this view's bounds. Margin values should be positive.

Related methods:

setMarginStart(int)

android:layout_marginTop

Specifies extra space on the top side of this view. This space is outside this view's bounds. Margin values should be positive.

Related methods:

setMargins(int,int,int,int)

android:layout_marginVertical

Specifies extra space on the top and bottom sides of this view. Specifying layout_marginVertical is equivalent to specifying layout_marginTop and layout_marginBottom with that same value. If both layout_marginVertical and either/both of layout_marginTop and layout_marginBottom are also specified, the layout_marginVertical value will take precedence over the edge-specific values. Also, layout_margin will always take precedence over any of these values, including layout_marginVertical. This space is outside this view's bounds. Margin values should be positive.

Fields

bottomMargin

public int bottomMargin

The bottom margin in pixels of the child. Margin values should be positive. Call ViewGroup#setLayoutParams(LayoutParams) after reassigning a new value to this field.

leftMargin

public int leftMargin

The left margin in pixels of the child. Margin values should be positive. Call ViewGroup#setLayoutParams(LayoutParams) after reassigning a new value to this field.

rightMargin

public int rightMargin

The right margin in pixels of the child. Margin values should be positive. Call ViewGroup#setLayoutParams(LayoutParams) after reassigning a new value to this field.

topMargin

public int topMargin

The top margin in pixels of the child. Margin values should be positive. Call ViewGroup#setLayoutParams(LayoutParams) after reassigning a new value to this field.

Public constructors

MarginLayoutParams

public MarginLayoutParams (Context c, 
                AttributeSet attrs)

Creates a new set of layout parameters. The values are extracted from the supplied attributes set and context.

Parameters
`c`	`Context`: the application environment
`attrs`	`AttributeSet`: the set of attributes from which to extract the layout parameters' values

MarginLayoutParams

public MarginLayoutParams (int width, 
                int height)

Parameters
`width`	`int`
`height`	`int`

MarginLayoutParams

public MarginLayoutParams (ViewGroup.MarginLayoutParams source)

Copy constructor. Clones the width, height and margin values of the source.

Parameters
`source`	`ViewGroup.MarginLayoutParams`: The layout params to copy from.

MarginLayoutParams

public MarginLayoutParams (ViewGroup.LayoutParams source)

Parameters
`source`	`ViewGroup.LayoutParams`

Public methods

getLayoutDirection

public int getLayoutDirection ()

Retuns the layout direction. Can be either View#LAYOUT_DIRECTION_LTR or View#LAYOUT_DIRECTION_RTL.

Returns
`int`	the layout direction.

getMarginEnd

public int getMarginEnd ()

Returns the end margin in pixels.

Related XML Attributes:

android:layout_marginEnd

Returns
`int`	the end margin in pixels.

getMarginStart

public int getMarginStart ()

Returns the start margin in pixels.

Related XML Attributes:

android:layout_marginStart

Returns
`int`	the start margin in pixels.

isMarginRelative

public boolean isMarginRelative ()

Check if margins are relative.

Related XML Attributes:

Returns
`boolean`	true if either marginStart or marginEnd has been set.

resolveLayoutDirection

public void resolveLayoutDirection (int layoutDirection)

This will be called by View.requestLayout(). Left and Right margins may be overridden depending on layout direction.

Parameters
`layoutDirection`	`int`: the direction of the layout `View#LAYOUT_DIRECTION_LTR` `View#LAYOUT_DIRECTION_RTL`

setLayoutDirection

public void setLayoutDirection (int layoutDirection)

Set the layout direction

Parameters
`layoutDirection`	`int`: the layout direction. Should be either `View#LAYOUT_DIRECTION_LTR` or `View#LAYOUT_DIRECTION_RTL`.

setMarginEnd

public void setMarginEnd (int end)

Sets the relative end margin. Margin values should be positive.

Related XML Attributes:

android:layout_marginEnd

Parameters
`end`	`int`: the end margin size

setMarginStart

public void setMarginStart (int start)

Sets the relative start margin. Margin values should be positive.

Related XML Attributes:

android:layout_marginStart

Parameters
`start`	`int`: the start margin size

setMargins

public void setMargins (int left, 
                int top, 
                int right, 
                int bottom)

Sets the margins, in pixels. A call to View.requestLayout() needs to be done so that the new margins are taken into account. Left and right margins may be overridden by View.requestLayout() depending on layout direction. Margin values should be positive.

Related XML Attributes:

Parameters
`left`	`int`: the left margin size
`top`	`int`: the top margin size
`right`	`int`: the right margin size
`bottom`	`int`: the bottom margin size