Java android.widget RelativeLayout fields, constructors, methods, implement or subclass

Introduction

In this page you can find the methods, fields and constructors for android.widget RelativeLayout.

The text is from its open source code.

Subclass

android.widget.RelativeLayout has subclasses.
Click this link to see all its subclasses.

Field

int	TRUE
int	LEFT_OF Rule that aligns a child's right edge with another child's left edge.
int	RIGHT_OF Rule that aligns a child's left edge with another child's right edge.
int	ABOVE Rule that aligns a child's bottom edge with another child's top edge.
int	BELOW Rule that aligns a child's top edge with another child's bottom edge.
int	ALIGN_BASELINE Rule that aligns a child's baseline with another child's baseline.
int	ALIGN_LEFT Rule that aligns a child's left edge with another child's left edge.
int	ALIGN_TOP Rule that aligns a child's top edge with another child's top edge.
int	ALIGN_RIGHT Rule that aligns a child's right edge with another child's right edge.
int	ALIGN_BOTTOM Rule that aligns a child's bottom edge with another child's bottom edge.
int	ALIGN_PARENT_LEFT Rule that aligns the child's left edge with its RelativeLayout parent's left edge.
int	ALIGN_PARENT_TOP Rule that aligns the child's top edge with its RelativeLayout parent's top edge.
int	ALIGN_PARENT_RIGHT Rule that aligns the child's right edge with its RelativeLayout parent's right edge.
int	ALIGN_PARENT_BOTTOM Rule that aligns the child's bottom edge with its RelativeLayout parent's bottom edge.
int	CENTER_IN_PARENT Rule that centers the child with respect to the bounds of its RelativeLayout parent.
int	CENTER_HORIZONTAL Rule that centers the child horizontally with respect to the bounds of its RelativeLayout parent.
int	CENTER_VERTICAL Rule that centers the child vertically with respect to the bounds of its RelativeLayout parent.
int	END_OF Rule that aligns a child's start edge with another child's end edge.
int	ALIGN_END Rule that aligns a child's end edge with another child's end edge.
int	ALIGN_PARENT_START Rule that aligns the child's start edge with its RelativeLayout parent's start edge.
int	ALIGN_PARENT_END Rule that aligns the child's end edge with its RelativeLayout parent's end edge.

Constructor

	RelativeLayout(Context context)

Method

void	addView(View child, int index) Adds a child view.
void	addView(View child) Adds a child view.
void	addView(View child, int width, int height) Adds a child view with this ViewGroup's default layout parameters and the specified width and height.
ViewPropertyAnimator	animate() This method returns a ViewPropertyAnimator object, which can be used to animate specific properties on this View.
void	bringToFront() Change the view's z order in the tree, so it's on top of other sibling views.
void	draw(Canvas canvas) Manually render this view (and all of its children) to the given Canvas.
T	findViewById(@IdRes int id) Finds the first descendant view with the given ID, the view itself if the ID matches #getId() , or null if the ID is invalid (< 0) or there is no matching view in the hierarchy.
Drawable	getBackground() Gets the background drawable
int	getBottom() Bottom position of this view relative to its parent.
View	getChildAt(int index) Returns the view at the specified position in the group.
int	getChildCount() Returns the number of children in the group.
Context	getContext() Returns the context the view is running in, through which it can access the current theme, resources, etc.
boolean	getGlobalVisibleRect(Rect r)
int	getHeight() Return the height of your view.
int	getId() Returns this view's identifier.
ViewGroup.LayoutParams	getLayoutParams() Get the LayoutParams associated with this view.
void	getLocationInWindow(@Size(2) int[] outLocation) Computes the coordinates of this view in its window.
int	getMeasuredHeight() Like #getMeasuredHeightAndState() , but only returns the raw height component (that is the result is masked by #MEASURED_SIZE_MASK ).
int	getMeasuredWidth() Like #getMeasuredWidthAndState() , but only returns the raw width component (that is the result is masked by #MEASURED_SIZE_MASK ).
Resources	getResources() Returns the resources associated with this view.
Object	getTag() Returns this view's tag.
int	getTop() Top position of this view relative to its parent.
ViewTreeObserver	getViewTreeObserver() Returns the ViewTreeObserver for this view's hierarchy.
int	getVisibility() Returns the visibility status for this view.
int	getWidth() Return the width of your view.
IBinder	getWindowToken() Retrieve a unique token identifying the window this view is attached to.
float	getY() The visual y position of this view, in pixels.
void	invalidate() Invalidate the whole view.
void	layout(int l, int t, int r, int b)
void	measure(int widthMeasureSpec, int heightMeasureSpec) This is called to find out how big a view should be.
boolean	postDelayed(Runnable action, long delayMillis) Causes the Runnable to be added to the message queue, to be run after the specified amount of time elapses.
void	removeAllViews() Call this method to remove all child views from the ViewGroup.
void	removeView(View view) Note: do not invoke this method from #draw(android.graphics.Canvas) , #onDraw(android.graphics.Canvas) , #dispatchDraw(android.graphics.Canvas) or any related method.
void	removeViewAt(int index) Removes the view at the specified position in the group.
boolean	requestFocus() Call this to try to give focus to a specific view or to one of its descendants.
void	requestLayout()
void	setAlpha(@FloatRange(from = 0.0, to = 1.0) float alpha) Sets the opacity of the view to a value from 0 to 1, where 0 means the view is completely transparent and 1 means the view is completely opaque.
void	setBackground(Drawable background) Set the background to a given Drawable, or remove the background.
void	setBackgroundColor(@ColorInt int color) Sets the background color for this view.
void	setBackgroundDrawable(Drawable background)
void	setBackgroundResource(@DrawableRes int resid) Set the background to a given resource.
void	setClickable(boolean clickable) Enables or disables click events for this view.
void	setEnabled(boolean enabled) Set the enabled state of this view.
void	setFocusable(boolean focusable) Set whether this view can receive the focus.
void	setFocusableInTouchMode(boolean focusableInTouchMode) Set whether this view can receive focus while in touch mode.
void	setGravity(int gravity) Describes how the child views are positioned.
void	setHorizontalGravity(int horizontalGravity)
void	setId(@IdRes int id) Sets the identifier for this view.
void	setLayoutParams(ViewGroup.LayoutParams params) Set the layout parameters associated with this view.
void	setLayoutTransition(LayoutTransition transition) Sets the LayoutTransition object for this ViewGroup.
void	setOnClickListener(@Nullable OnClickListener l) Register a callback to be invoked when this view is clicked.
void	setOnDragListener(OnDragListener l) Register a drag event listener callback object for this View.
void	setOnLongClickListener(@Nullable OnLongClickListener l) Register a callback to be invoked when this view is clicked and held.
void	setOnTouchListener(OnTouchListener l) Register a callback to be invoked when a touch event is sent to this view.
void	setPadding(int left, int top, int right, int bottom) Sets the padding.
void	setSaveEnabled(boolean enabled) Controls whether the saving of this view's state is enabled (that is, whether its #onSaveInstanceState method will be called).
void	setScaleX(float scaleX) Sets the amount that the view is scaled in x around the pivot point, as a proportion of the view's unscaled width.
void	setScaleY(float scaleY) Sets the amount that the view is scaled in Y around the pivot point, as a proportion of the view's unscaled width.
void	setSelected(boolean selected) Changes the selection state of this view.
void	setTag(final Object tag) Sets the tag associated with this view.
void	setTag(int key, final Object tag) Sets a tag associated with this view and a key.
void	setVerticalGravity(int verticalGravity)
void	setVisibility(@Visibility int visibility) Set the visibility state of this view.
void	setY(float y) Sets the visual y position of this view, in pixels.
void	startAnimation(Animation animation) Start the specified animation now.
void	updateViewLayout(View view, ViewGroup.LayoutParams params)