IT. Expert System.

Direct Known Subclasses:

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

Enclosing class:

ViewGroup

public static class ViewGroup.MarginLayoutParams
extends ViewGroup.LayoutParams

• Field Summary

  Fields

  Modifier and Type	Field and Description
  int	bottomMargin The bottom margin in pixels of the child.
  static int	DEFAULT_RELATIVE The default start and end margin.
  int	leftMargin The left margin in pixels of the child.
  int	rightMargin The right margin in pixels of the child.
  int	topMargin The top margin in pixels of the child.

  • Fields inherited from class android.view.ViewGroup.LayoutParams

    FILL_PARENT, height, layoutAnimationParameters, MATCH_PARENT, width, WRAP_CONTENT

• Constructor Summary

  Constructors

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

• Method Summary

  Methods

  Modifier and Type	Method and Description
  int	getLayoutDirection() Retuns the layout direction.
  int	getMarginEnd() Returns the end margin in pixels.
  int	getMarginStart() Returns the start margin in pixels.
  boolean	isLayoutRtl()
  boolean	isMarginRelative() Check if margins are relative.
  void	onDebugDraw(View view, Canvas canvas) Use canvas to draw suitable debugging annotations for these LayoutParameters.
  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	setMargins(int left, int top, int right, int bottom) Sets the margins, in pixels.
  void	setMarginsRelative(int start, int top, int end, int bottom) Sets the relative margins, in pixels.
  void	setMarginStart(int start) Sets the relative start margin.

  • Methods inherited from class android.view.ViewGroup.LayoutParams

    debug, setBaseAttributes, sizeToString

  • Methods inherited from class java.lang.Object

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

• Field Detail

  • leftMargin

    public int leftMargin

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

  • topMargin

    public int topMargin

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

  • rightMargin

    public int rightMargin

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

  • bottomMargin

    public int bottomMargin

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

  • DEFAULT_RELATIVE

    public static final int DEFAULT_RELATIVE

    The default start and end margin.

    See Also:

    Constant Field Values

• Constructor Detail

  • ViewGroup.MarginLayoutParams

    public ViewGroup.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 - the application environment

    attrs - the set of attributes from which to extract the layout parameters' values

  • ViewGroup.MarginLayoutParams

    public ViewGroup.MarginLayoutParams(int width,
                                int height)

  • ViewGroup.MarginLayoutParams

    public ViewGroup.MarginLayoutParams(ViewGroup.MarginLayoutParams source)

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

    Parameters:

    source - The layout params to copy from.

  • ViewGroup.MarginLayoutParams

    public ViewGroup.MarginLayoutParams(ViewGroup.LayoutParams source)

• Method Detail

  • 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 overriden by View.requestLayout() depending on layout direction.

    Parameters:

    left - the left margin size

    top - the top margin size

    right - the right margin size

    bottom - the bottom margin size

  • setMarginsRelative

    public void setMarginsRelative(int start,
                          int top,
                          int end,
                          int bottom)

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

    Parameters:

    start - the start margin size

    top - the top margin size

    end - the right margin size

    bottom - the bottom margin size

  • setMarginStart

    public void setMarginStart(int start)

    Sets the relative start margin.

    Parameters:

    start - the start margin size

  • getMarginStart

    public int getMarginStart()

    Returns the start margin in pixels.

    Returns:

    the start margin in pixels.

  • setMarginEnd

    public void setMarginEnd(int end)

    Sets the relative end margin.

    Parameters:

    end - the end margin size

  • getMarginEnd

    public int getMarginEnd()

    Returns the end margin in pixels.

    Returns:

    the end margin in pixels.

  • isMarginRelative

    public boolean isMarginRelative()

    Check if margins are relative.

    Returns:

    true if either marginStart or marginEnd has been set.

  • setLayoutDirection

    public void setLayoutDirection(int layoutDirection)

    Set the layout direction

    Parameters:

    layoutDirection - the layout direction. Should be either View.LAYOUT_DIRECTION_LTR or View.LAYOUT_DIRECTION_RTL.

  • getLayoutDirection

    public int getLayoutDirection()

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

    Returns:

    the layout direction.

  • resolveLayoutDirection

    public void resolveLayoutDirection(int layoutDirection)

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

    Overrides:

    resolveLayoutDirection in class ViewGroup.LayoutParams

    Parameters:

    layoutDirection - the direction of the layout View.LAYOUT_DIRECTION_LTR View.LAYOUT_DIRECTION_RTL

  • isLayoutRtl

    public boolean isLayoutRtl()

  • onDebugDraw

    public void onDebugDraw(View view,
                   Canvas canvas)

    Description copied from class: ViewGroup.LayoutParams
    Use canvas to draw suitable debugging annotations for these LayoutParameters.

    Overrides:

    onDebugDraw in class ViewGroup.LayoutParams

    Parameters:

    view - the view that contains these layout parameters

    canvas - the canvas on which to draw