android.widget

Class LinearLayout

java.lang.Object

android.view.View

android.view.ViewGroup

android.widget.LinearLayout

All Implemented Interfaces:

Drawable.Callback, AccessibilityEventSource, KeyEvent.Callback, ViewManager, ViewParent

Direct Known Subclasses:

NumberPicker, RadioGroup, SearchView, TableLayout, TableRow, TabWidget, ZoomControls

public class LinearLayout
extends ViewGroup

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	LinearLayout.LayoutParams

Nested classes/interfaces inherited from class android.view.ViewGroup

ViewGroup.MarginLayoutParams, ViewGroup.OnHierarchyChangeListener

Nested classes/interfaces inherited from class android.view.View

View.AccessibilityDelegate, View.BaseSavedState, View.DragShadowBuilder, View.MeasureSpec, View.OnAttachStateChangeListener, View.OnClickListener, View.OnCreateContextMenuListener, View.OnDragListener, View.OnFocusChangeListener, View.OnGenericMotionListener, View.OnHoverListener, View.OnKeyListener, View.OnLayoutChangeListener, View.OnLongClickListener, View.OnSystemUiVisibilityChangeListener, View.OnTouchListener

Field Summary

Fields

Modifier and Type	Field and Description
static int	HORIZONTAL
static int	SHOW_DIVIDER_BEGINNING
static int	SHOW_DIVIDER_END
static int	SHOW_DIVIDER_MIDDLE
static int	SHOW_DIVIDER_NONE
static int	VERTICAL

Fields inherited from class android.view.ViewGroup

CLIP_TO_PADDING_MASK, FOCUS_AFTER_DESCENDANTS, FOCUS_BEFORE_DESCENDANTS, FOCUS_BLOCK_DESCENDANTS, PERSISTENT_ALL_CACHES, PERSISTENT_ANIMATION_CACHE, PERSISTENT_NO_CACHE, PERSISTENT_SCROLLING_CACHE

Fields inherited from class android.view.View

ALPHA, DRAWING_CACHE_QUALITY_AUTO, DRAWING_CACHE_QUALITY_HIGH, DRAWING_CACHE_QUALITY_LOW, EMPTY_STATE_SET, ENABLED_FOCUSED_SELECTED_STATE_SET, ENABLED_FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET, ENABLED_FOCUSED_STATE_SET, ENABLED_FOCUSED_WINDOW_FOCUSED_STATE_SET, ENABLED_SELECTED_STATE_SET, ENABLED_SELECTED_WINDOW_FOCUSED_STATE_SET, ENABLED_STATE_SET, ENABLED_WINDOW_FOCUSED_STATE_SET, FIND_VIEWS_WITH_CONTENT_DESCRIPTION, FIND_VIEWS_WITH_TEXT, FOCUS_BACKWARD, FOCUS_DOWN, FOCUS_FORWARD, FOCUS_LEFT, FOCUS_RIGHT, FOCUS_UP, FOCUSABLES_ALL, FOCUSABLES_TOUCH_MODE, FOCUSED_SELECTED_STATE_SET, FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET, FOCUSED_STATE_SET, FOCUSED_WINDOW_FOCUSED_STATE_SET, GONE, HAPTIC_FEEDBACK_ENABLED, IMPORTANT_FOR_ACCESSIBILITY_AUTO, IMPORTANT_FOR_ACCESSIBILITY_NO, IMPORTANT_FOR_ACCESSIBILITY_YES, INVISIBLE, KEEP_SCREEN_ON, LAYER_TYPE_HARDWARE, LAYER_TYPE_NONE, LAYER_TYPE_SOFTWARE, MEASURED_HEIGHT_STATE_SHIFT, MEASURED_SIZE_MASK, MEASURED_STATE_MASK, MEASURED_STATE_TOO_SMALL, NO_ID, OVER_SCROLL_ALWAYS, OVER_SCROLL_IF_CONTENT_SCROLLS, OVER_SCROLL_NEVER, PRESSED_ENABLED_FOCUSED_SELECTED_STATE_SET, PRESSED_ENABLED_FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET, PRESSED_ENABLED_FOCUSED_STATE_SET, PRESSED_ENABLED_FOCUSED_WINDOW_FOCUSED_STATE_SET, PRESSED_ENABLED_SELECTED_STATE_SET, PRESSED_ENABLED_SELECTED_WINDOW_FOCUSED_STATE_SET, PRESSED_ENABLED_STATE_SET, PRESSED_ENABLED_WINDOW_FOCUSED_STATE_SET, PRESSED_FOCUSED_SELECTED_STATE_SET, PRESSED_FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET, PRESSED_FOCUSED_STATE_SET, PRESSED_FOCUSED_WINDOW_FOCUSED_STATE_SET, PRESSED_SELECTED_STATE_SET, PRESSED_SELECTED_WINDOW_FOCUSED_STATE_SET, PRESSED_WINDOW_FOCUSED_STATE_SET, ROTATION, ROTATION_X, ROTATION_Y, SCALE_X, SCALE_Y, SCREEN_STATE_OFF, SCREEN_STATE_ON, SCROLLBAR_POSITION_DEFAULT, SCROLLBAR_POSITION_LEFT, SCROLLBAR_POSITION_RIGHT, SCROLLBARS_INSIDE_INSET, SCROLLBARS_INSIDE_OVERLAY, SCROLLBARS_OUTSIDE_INSET, SCROLLBARS_OUTSIDE_OVERLAY, SELECTED_STATE_SET, SELECTED_WINDOW_FOCUSED_STATE_SET, SOUND_EFFECTS_ENABLED, STATUS_BAR_HIDDEN, STATUS_BAR_VISIBLE, SYSTEM_UI_FLAG_FULLSCREEN, SYSTEM_UI_FLAG_HIDE_NAVIGATION, SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN, SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION, SYSTEM_UI_FLAG_LAYOUT_STABLE, SYSTEM_UI_FLAG_LOW_PROFILE, SYSTEM_UI_FLAG_VISIBLE, SYSTEM_UI_LAYOUT_FLAGS, TEXT_ALIGNMENT_INHERIT, TEXT_ALIGNMENT_RESOLVED_DEFAULT, TRANSLATION_X, TRANSLATION_Y, VIEW_LOG_TAG, VISIBLE, WINDOW_FOCUSED_STATE_SET, X, Y

Constructor Summary

Constructors

Constructor and Description
LinearLayout(Context context)
LinearLayout(Context context, AttributeSet attrs)
LinearLayout(Context context, AttributeSet attrs, int defStyle)

Method Summary

Methods

Modifier and Type	Method and Description
protected boolean	checkLayoutParams(ViewGroup.LayoutParams p)
protected LinearLayout.LayoutParams	generateDefaultLayoutParams()
LinearLayout.LayoutParams	generateLayoutParams(AttributeSet attrs)
protected LinearLayout.LayoutParams	generateLayoutParams(ViewGroup.LayoutParams p)
int	getBaseline()
int	getBaselineAlignedChildIndex()
Drawable	getDividerDrawable()
int	getDividerPadding()
int	getOrientation()
int	getShowDividers()
float	getWeightSum()
boolean	isBaselineAligned()
boolean	isMeasureWithLargestChildEnabled()
protected void	onDraw(Canvas canvas)
void	onInitializeAccessibilityEvent(AccessibilityEvent event)
void	onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info)
protected void	onLayout(boolean changed, int l, int t, int r, int b)
protected void	onMeasure(int widthMeasureSpec, int heightMeasureSpec)
void	setBaselineAligned(boolean baselineAligned)
void	setBaselineAlignedChildIndex(int i)
void	setDividerDrawable(Drawable divider)
void	setDividerPadding(int padding)
void	setGravity(int gravity)
void	setHorizontalGravity(int horizontalGravity)
void	setMeasureWithLargestChildEnabled(boolean enabled)
void	setOrientation(int orientation)
void	setShowDividers(int showDividers)
void	setVerticalGravity(int verticalGravity)
void	setWeightSum(float weightSum)
boolean	shouldDelayChildPressedState()

Methods inherited from class android.view.ViewGroup

addChildrenForAccessibility, addFocusables, addStatesFromChildren, addTouchables, addView, addView, addView, addView, addView, addViewInLayout, addViewInLayout, attachLayoutAnimationParameters, attachViewToParent, bringChildToFront, canAnimate, childDrawableStateChanged, cleanupLayoutState, clearChildFocus, clearDisappearingChildren, clearFocus, debug, detachAllViewsFromParent, detachViewFromParent, detachViewFromParent, detachViewsFromParent, dispatchConfigurationChanged, dispatchDisplayHint, dispatchDragEvent, dispatchDraw, dispatchFreezeSelfOnly, dispatchGenericFocusedEvent, dispatchGenericPointerEvent, dispatchHoverEvent, dispatchKeyEvent, dispatchKeyEventPreIme, dispatchKeyShortcutEvent, dispatchRestoreInstanceState, dispatchSaveInstanceState, dispatchSetActivated, dispatchSetPressed, dispatchSetSelected, dispatchSystemUiVisibilityChanged, dispatchThawSelfOnly, dispatchTouchEvent, dispatchTrackballEvent, dispatchUnhandledMove, dispatchVisibilityChanged, dispatchWindowFocusChanged, dispatchWindowSystemUiVisiblityChanged, dispatchWindowVisibilityChanged, drawableStateChanged, drawChild, endViewTransition, findFocus, findViewsWithText, fitSystemWindows, focusableViewAvailable, focusSearch, gatherTransparentRegion, getChildAt, getChildCount, getChildDrawingOrder, getChildMeasureSpec, getChildStaticTransformation, getChildVisibleRect, getDescendantFocusability, getFocusedChild, getLayoutAnimation, getLayoutAnimationListener, getLayoutTransition, getPersistentDrawingCache, hasFocus, hasFocusable, indexOfChild, invalidateChild, invalidateChildInParent, isAlwaysDrawnWithCacheEnabled, isAnimationCacheEnabled, isChildrenDrawingOrderEnabled, isChildrenDrawnWithCacheEnabled, isMotionEventSplittingEnabled, jumpDrawablesToCurrentState, layout, measureChild, measureChildren, measureChildWithMargins, offsetDescendantRectToMyCoords, offsetRectIntoDescendantCoords, onAnimationEnd, onAnimationStart, onCreateDrawableState, onInterceptHoverEvent, onInterceptTouchEvent, onRequestFocusInDescendants, onRequestSendAccessibilityEvent, recomputeViewAttributes, removeAllViews, removeAllViewsInLayout, removeDetachedView, removeView, removeViewAt, removeViewInLayout, removeViews, removeViewsInLayout, requestChildFocus, requestChildRectangleOnScreen, requestDisallowInterceptTouchEvent, requestFocus, requestSendAccessibilityEvent, requestTransparentRegion, scheduleLayoutAnimation, setAddStatesFromChildren, setAlwaysDrawnWithCacheEnabled, setAnimationCacheEnabled, setChildrenDrawingCacheEnabled, setChildrenDrawingOrderEnabled, setChildrenDrawnWithCacheEnabled, setClipChildren, setClipToPadding, setDescendantFocusability, setLayoutAnimation, setLayoutAnimationListener, setLayoutTransition, setMotionEventSplittingEnabled, setOnHierarchyChangeListener, setPadding, setPersistentDrawingCache, setStaticTransformationsEnabled, showContextMenuForChild, startActionModeForChild, startLayoutAnimation, startViewTransition, updateViewLayout

Methods inherited from class android.view.View

addFocusables, addOnAttachStateChangeListener, addOnLayoutChangeListener, animate, announceForAccessibility, awakenScrollBars, awakenScrollBars, awakenScrollBars, bringToFront, buildDrawingCache, buildDrawingCache, buildLayer, callOnClick, cancelLongPress, canScrollHorizontally, canScrollVertically, checkInputConnectionProxy, clearAnimation, combineMeasuredStates, computeHorizontalScrollExtent, computeHorizontalScrollOffset, computeHorizontalScrollRange, computeScroll, computeVerticalScrollExtent, computeVerticalScrollOffset, computeVerticalScrollRange, createAccessibilityNodeInfo, createContextMenu, destroyDrawingCache, dispatchGenericMotionEvent, dispatchPopulateAccessibilityEvent, draw, findViewById, findViewWithTag, focusSearch, forceLayout, getAccessibilityNodeProvider, getAlpha, getAnimation, getApplicationWindowToken, getBackground, getBottom, getBottomFadingEdgeStrength, getBottomPaddingOffset, getCameraDistance, getContentDescription, getContext, getContextMenuInfo, getDefaultSize, getDrawableState, getDrawingCache, getDrawingCache, getDrawingCacheBackgroundColor, getDrawingCacheQuality, getDrawingRect, getDrawingTime, getFilterTouchesWhenObscured, getFitsSystemWindows, getFocusables, getFocusedRect, getGlobalVisibleRect, getGlobalVisibleRect, getHandler, getHeight, getHitRect, getHorizontalFadingEdgeLength, getHorizontalScrollbarHeight, getId, getImportantForAccessibility, getKeepScreenOn, getKeyDispatcherState, getLayerType, getLayoutParams, getLeft, getLeftFadingEdgeStrength, getLeftPaddingOffset, getLocalVisibleRect, getLocationInWindow, getLocationOnScreen, getMatrix, getMeasuredHeight, getMeasuredHeightAndState, getMeasuredState, getMeasuredWidth, getMeasuredWidthAndState, getMinimumHeight, getMinimumWidth, getNextFocusDownId, getNextFocusForwardId, getNextFocusLeftId, getNextFocusRightId, getNextFocusUpId, getOnFocusChangeListener, getOverScrollMode, getPaddingBottom, getPaddingLeft, getPaddingRight, getPaddingTop, getParent, getParentForAccessibility, getPivotX, getPivotY, getResources, getRight, getRightFadingEdgeStrength, getRightPaddingOffset, getRootView, getRotation, getRotationX, getRotationY, getScaleX, getScaleY, getScrollBarDefaultDelayBeforeFade, getScrollBarFadeDuration, getScrollBarSize, getScrollBarStyle, getScrollX, getScrollY, getSolidColor, getSuggestedMinimumHeight, getSuggestedMinimumWidth, getSystemUiVisibility, getTag, getTag, getTop, getTopFadingEdgeStrength, getTopPaddingOffset, getTouchables, getTouchDelegate, getTranslationX, getTranslationY, getVerticalFadingEdgeLength, getVerticalScrollbarPosition, getVerticalScrollbarWidth, getViewTreeObserver, getVisibility, getWidth, getWindowAttachCount, getWindowSystemUiVisibility, getWindowToken, getWindowVisibility, getWindowVisibleDisplayFrame, getX, getY, hasOnClickListeners, hasOverlappingRendering, hasTransientState, hasWindowFocus, inflate, initializeFadingEdge, initializeScrollbars, invalidate, invalidate, invalidate, invalidateDrawable, isActivated, isClickable, isDirty, isDrawingCacheEnabled, isDuplicateParentStateEnabled, isEnabled, isFocusable, isFocusableInTouchMode, isFocused, isHapticFeedbackEnabled, isHardwareAccelerated, isHorizontalFadingEdgeEnabled, isHorizontalScrollBarEnabled, isHovered, isInEditMode, isInTouchMode, isLayoutRequested, isLongClickable, isOpaque, isPaddingOffsetRequired, isPressed, isSaveEnabled, isSaveFromParentEnabled, isScrollbarFadingEnabled, isScrollContainer, isSelected, isShown, isSoundEffectsEnabled, isVerticalFadingEdgeEnabled, isVerticalScrollBarEnabled, measure, mergeDrawableStates, offsetLeftAndRight, offsetTopAndBottom, onAttachedToWindow, onCheckIsTextEditor, onConfigurationChanged, onCreateContextMenu, onCreateInputConnection, onDetachedFromWindow, onDisplayHint, onDragEvent, onDrawScrollBars, onFilterTouchEventForSecurity, onFinishInflate, onFinishTemporaryDetach, onFocusChanged, onGenericMotionEvent, onHoverChanged, onHoverEvent, onKeyDown, onKeyLongPress, onKeyMultiple, onKeyPreIme, onKeyShortcut, onKeyUp, onOverScrolled, onPopulateAccessibilityEvent, onRestoreInstanceState, onSaveInstanceState, onScreenStateChanged, onScrollChanged, onSetAlpha, onSizeChanged, onStartTemporaryDetach, onTouchEvent, onTrackballEvent, onVisibilityChanged, onWindowFocusChanged, onWindowSystemUiVisibilityChanged, onWindowVisibilityChanged, overScrollBy, performAccessibilityAction, performClick, performHapticFeedback, performHapticFeedback, performLongClick, playSoundEffect, post, postDelayed, postInvalidate, postInvalidate, postInvalidateDelayed, postInvalidateDelayed, postInvalidateOnAnimation, postInvalidateOnAnimation, postOnAnimation, postOnAnimationDelayed, refreshDrawableState, removeCallbacks, removeOnAttachStateChangeListener, removeOnLayoutChangeListener, requestFitSystemWindows, requestFocus, requestFocus, requestFocusFromTouch, requestLayout, requestRectangleOnScreen, requestRectangleOnScreen, resolveSize, resolveSizeAndState, restoreHierarchyState, saveHierarchyState, scheduleDrawable, scrollBy, scrollTo, sendAccessibilityEvent, sendAccessibilityEventUnchecked, setAccessibilityDelegate, setActivated, setAlpha, setAnimation, setBackground, setBackgroundColor, setBackgroundDrawable, setBackgroundResource, setBottom, setCameraDistance, setClickable, setContentDescription, setDrawingCacheBackgroundColor, setDrawingCacheEnabled, setDrawingCacheQuality, setDuplicateParentStateEnabled, setEnabled, setFadingEdgeLength, setFilterTouchesWhenObscured, setFitsSystemWindows, setFocusable, setFocusableInTouchMode, setHapticFeedbackEnabled, setHasTransientState, setHorizontalFadingEdgeEnabled, setHorizontalScrollBarEnabled, setHovered, setId, setImportantForAccessibility, setKeepScreenOn, setLayerType, setLayoutParams, setLeft, setLongClickable, setMeasuredDimension, setMinimumHeight, setMinimumWidth, setNextFocusDownId, setNextFocusForwardId, setNextFocusLeftId, setNextFocusRightId, setNextFocusUpId, setOnClickListener, setOnCreateContextMenuListener, setOnDragListener, setOnFocusChangeListener, setOnGenericMotionListener, setOnHoverListener, setOnKeyListener, setOnLongClickListener, setOnSystemUiVisibilityChangeListener, setOnTouchListener, setOverScrollMode, setPivotX, setPivotY, setPressed, setRight, setRotation, setRotationX, setRotationY, setSaveEnabled, setSaveFromParentEnabled, setScaleX, setScaleY, setScrollBarDefaultDelayBeforeFade, setScrollBarFadeDuration, setScrollbarFadingEnabled, setScrollBarSize, setScrollBarStyle, setScrollContainer, setScrollX, setScrollY, setSelected, setSoundEffectsEnabled, setSystemUiVisibility, setTag, setTag, setTop, setTouchDelegate, setTranslationX, setTranslationY, setVerticalFadingEdgeEnabled, setVerticalScrollBarEnabled, setVerticalScrollbarPosition, setVisibility, setWillNotCacheDrawing, setWillNotDraw, setX, setY, showContextMenu, startActionMode, startAnimation, startDrag, unscheduleDrawable, unscheduleDrawable, verifyDrawable, willNotCacheDrawing, willNotDraw

Methods inherited from class java.lang.Object

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

Methods inherited from interface android.view.ViewParent

createContextMenu, getParent, getParentForAccessibility, isLayoutRequested, requestFitSystemWindows, requestLayout

Field Detail

HORIZONTAL

public static final int HORIZONTAL

See Also:

Constant Field Values

VERTICAL

public static final int VERTICAL

See Also:

Constant Field Values

SHOW_DIVIDER_NONE

public static final int SHOW_DIVIDER_NONE

See Also:

Constant Field Values

SHOW_DIVIDER_BEGINNING

public static final int SHOW_DIVIDER_BEGINNING

See Also:

Constant Field Values

SHOW_DIVIDER_MIDDLE

public static final int SHOW_DIVIDER_MIDDLE

See Also:

Constant Field Values

SHOW_DIVIDER_END

public static final int SHOW_DIVIDER_END

See Also:

Constant Field Values

Constructor Detail

LinearLayout

public LinearLayout(Context context)

LinearLayout

public LinearLayout(Context context,
            AttributeSet attrs)

LinearLayout

public LinearLayout(Context context,
            AttributeSet attrs,
            int defStyle)

Method Detail

setShowDividers

public void setShowDividers(int showDividers)

shouldDelayChildPressedState

public boolean shouldDelayChildPressedState()

Overrides:

shouldDelayChildPressedState in class ViewGroup

getShowDividers

public int getShowDividers()

getDividerDrawable

public Drawable getDividerDrawable()

setDividerDrawable

public void setDividerDrawable(Drawable divider)

setDividerPadding

public void setDividerPadding(int padding)

getDividerPadding

public int getDividerPadding()

onDraw

protected void onDraw(Canvas canvas)

Overrides:

onDraw in class View

isBaselineAligned

public boolean isBaselineAligned()

setBaselineAligned

public void setBaselineAligned(boolean baselineAligned)

isMeasureWithLargestChildEnabled

public boolean isMeasureWithLargestChildEnabled()

setMeasureWithLargestChildEnabled

public void setMeasureWithLargestChildEnabled(boolean enabled)

getBaseline

public int getBaseline()

Overrides:

getBaseline in class View

getBaselineAlignedChildIndex

public int getBaselineAlignedChildIndex()

setBaselineAlignedChildIndex

public void setBaselineAlignedChildIndex(int i)

getWeightSum

public float getWeightSum()

setWeightSum

public void setWeightSum(float weightSum)

onMeasure

protected void onMeasure(int widthMeasureSpec,
             int heightMeasureSpec)

Overrides:

onMeasure in class View

onLayout

protected void onLayout(boolean changed,
            int l,
            int t,
            int r,
            int b)

Specified by:

onLayout in class ViewGroup

setOrientation

public void setOrientation(int orientation)

getOrientation

public int getOrientation()

setGravity

public void setGravity(int gravity)

setHorizontalGravity

public void setHorizontalGravity(int horizontalGravity)

setVerticalGravity

public void setVerticalGravity(int verticalGravity)

generateLayoutParams

public LinearLayout.LayoutParams generateLayoutParams(AttributeSet attrs)

Overrides:

generateLayoutParams in class ViewGroup

generateDefaultLayoutParams

protected LinearLayout.LayoutParams generateDefaultLayoutParams()

Overrides:

generateDefaultLayoutParams in class ViewGroup

generateLayoutParams

protected LinearLayout.LayoutParams generateLayoutParams(ViewGroup.LayoutParams p)

Overrides:

generateLayoutParams in class ViewGroup

checkLayoutParams

protected boolean checkLayoutParams(ViewGroup.LayoutParams p)

Overrides:

checkLayoutParams in class ViewGroup

onInitializeAccessibilityEvent

public void onInitializeAccessibilityEvent(AccessibilityEvent event)

Overrides:

onInitializeAccessibilityEvent in class View

onInitializeAccessibilityNodeInfo

public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info)

Overrides:

onInitializeAccessibilityNodeInfo in class View