android.widget
Class ViewAnimator

java.lang.Object
  android.view.View
      android.view.ViewGroup
          android.widget.FrameLayout
              android.widget.ViewAnimator

All Implemented Interfaces:

Drawable.Callback, KeyEvent.Callback, ViewManager, ViewParent

Direct Known Subclasses:

ViewFlipper, ViewSwitcher

public class ViewAnimator
extends FrameLayout

Base class for a FrameLayout container that will perform animations when switching between its views.

Nested Class Summary

Nested classes/interfaces inherited from class android.widget.FrameLayout

FrameLayout.LayoutParams

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

ViewGroup.MarginLayoutParams, ViewGroup.OnHierarchyChangeListener

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

View.BaseSavedState, View.MeasureSpec, View.OnClickListener, View.OnCreateContextMenuListener, View.OnFocusChangeListener, View.OnKeyListener, View.OnLongClickListener, View.OnTouchListener

Field Summary

(package private) boolean	mAnimateFirstTime
(package private) boolean	mFirstTime
(package private) Animation	mInAnimation
(package private) Animation	mOutAnimation
(package private) int	mWhichChild

Fields inherited from class android.widget.FrameLayout

mMeasureAllChildren

Fields inherited from class android.view.ViewGroup

CLIP_TO_PADDING_MASK, FLAG_SUPPORT_STATIC_TRANSFORMATIONS, FLAG_USE_CHILD_DRAWING_ORDER, FOCUS_AFTER_DESCENDANTS, FOCUS_BEFORE_DESCENDANTS, FOCUS_BLOCK_DESCENDANTS, mDisappearingChildren, mGroupFlags, mOnHierarchyChangeListener, mPersistentDrawingCache, PERSISTENT_ALL_CACHES, PERSISTENT_ANIMATION_CACHE, PERSISTENT_NO_CACHE, PERSISTENT_SCROLLING_CACHE

Fields inherited from class android.view.View

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, FIRST_STATE_SET, FOCUS_BACKWARD, FOCUS_DOWN, FOCUS_FORWARD, FOCUS_LEFT, FOCUS_RIGHT, FOCUS_UP, FOCUSED_SELECTED_STATE_SET, FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET, FOCUSED_STATE_SET, FOCUSED_WINDOW_FOCUSED_STATE_SET, GONE, INVISIBLE, KEEP_SCREEN_ON, LAST_STATE_SET, mBottom, mContext, mCurrentAnimation, MIDDLE_STATE_SET, mLayoutParams, mLeft, mLocation, mMeasuredHeight, mMeasuredWidth, mOnClickListener, mOnCreateContextMenuListener, mOnFocusChangeListener, mOnLongClickListener, mPaddingBottom, mPaddingLeft, mPaddingRight, mPaddingTop, mParent, mRight, mScrollX, mScrollY, mTag, mTop, NO_ID, 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_FIRST_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_LAST_STATE_SET, PRESSED_MIDDLE_STATE_SET, PRESSED_SELECTED_STATE_SET, PRESSED_SELECTED_WINDOW_FOCUSED_STATE_SET, PRESSED_SINGLE_STATE_SET, PRESSED_STATE_SET, PRESSED_WINDOW_FOCUSED_STATE_SET, SCROLLBARS_INSIDE_INSET, SCROLLBARS_INSIDE_OVERLAY, SCROLLBARS_OUTSIDE_INSET, SCROLLBARS_OUTSIDE_OVERLAY, SELECTED_STATE_SET, SELECTED_WINDOW_FOCUSED_STATE_SET, SINGLE_STATE_SET, SOUND_EFFECTS_ENABLED, VIEW_LOG_TAG, VISIBLE, WINDOW_FOCUSED_STATE_SET

Constructor Summary

ViewAnimator(Context context)

ViewAnimator(Context context, AttributeSet attrs)

Method Summary

void	addView(View child, int index, ViewGroup.LayoutParams params) Adds a child view with the specified layout parameters.
int	getBaseline() Return the offset of the widget's text baseline from the widget's top boundary.
View	getCurrentView() Returns the View corresponding to the currently displayed child.
int	getDisplayedChild() Returns the index of the currently displayed child view.
Animation	getInAnimation() Returns the current animation used to animate a View that enters the screen.
Animation	getOutAnimation() Returns the current animation used to animate a View that exits the screen.
void	setAnimateFirstView(boolean animate) Indicates whether the current View should be animated the first time the ViewAnimation is displayed.
void	setDisplayedChild(int whichChild) Sets which child view will be displayed.
void	setInAnimation(Animation inAnimation) Specifies the animation used to animate a View that enters the screen.
void	setInAnimation(Context context, int resourceID) Specifies the animation used to animate a View that enters the screen.
void	setOutAnimation(Animation outAnimation) Specifies the animation used to animate a View that exit the screen.
void	setOutAnimation(Context context, int resourceID) Specifies the animation used to animate a View that exit the screen.
void	showNext() Manually shows the next child.
(package private) void	showOnly(int childIndex) Shows only the specified child.
void	showPrevious() Manually shows the previous child.

Methods inherited from class android.widget.FrameLayout

checkLayoutParams, draw, drawableStateChanged, gatherTransparentRegion, generateDefaultLayoutParams, generateLayoutParams, generateLayoutParams, getConsiderGoneChildrenWhenMeasuring, getForeground, onLayout, onMeasure, onSizeChanged, setForeground, setForegroundGravity, setMeasureAllChildren, verifyDrawable

Methods inherited from class android.view.ViewGroup

addFocusables, addStatesFromChildren, addTouchables, addView, addView, addView, addView, addViewInLayout, addViewInLayout, attachLayoutAnimationParameters, attachViewToParent, bringChildToFront, canAnimate, childDrawableStateChanged, cleanupLayoutState, clearChildFocus, clearDisappearingChildren, clearFocus, debug, detachAllViewsFromParent, detachViewFromParent, detachViewFromParent, detachViewsFromParent, dispatchDraw, dispatchFreezeSelfOnly, dispatchKeyEvent, dispatchRestoreInstanceState, dispatchSaveInstanceState, dispatchSetPressed, dispatchSetSelected, dispatchThawSelfOnly, dispatchTouchEvent, dispatchTrackballEvent, dispatchUnhandledMove, dispatchWindowFocusChanged, dispatchWindowVisibilityChanged, drawChild, findFocus, findViewTraversal, findViewWithTagTraversal, fitSystemWindows, focusableViewAvailable, focusSearch, getChildAt, getChildCount, getChildDrawingOrder, getChildMeasureSpec, getChildStaticTransformation, getChildVisibleRect, getDescendantFocusability, getFocusedChild, getLayoutAnimation, getLayoutAnimationListener, getPersistentDrawingCache, hasFocus, hasFocusable, indexOfChild, invalidateChild, invalidateChildInParent, isAlwaysDrawnWithCacheEnabled, isAnimationCacheEnabled, isChildrenDrawnWithCacheEnabled, measureChild, measureChildren, measureChildWithMargins, offsetChildrenTopAndBottom, offsetDescendantRectToMyCoords, offsetRectIntoDescendantCoords, onAnimationEnd, onAnimationStart, onCreateDrawableState, onInterceptTouchEvent, onRequestFocusInDescendants, recomputeViewAttributes, removeAllViews, removeAllViewsInLayout, removeDetachedView, removeView, removeViewAt, removeViewInLayout, removeViews, removeViewsInLayout, requestChildFocus, requestChildRectangleOnScreen, requestDisallowInterceptTouchEvent, requestFocus, requestTransparentRegion, scheduleLayoutAnimation, setAddStatesFromChildren, setAlwaysDrawnWithCacheEnabled, setAnimationCacheEnabled, setChildrenDrawingCacheEnabled, setChildrenDrawnWithCacheEnabled, setClipChildren, setClipToPadding, setDescendantFocusability, setLayoutAnimation, setLayoutAnimationListener, setOnHierarchyChangeListener, setPadding, setPersistentDrawingCache, showContextMenuForChild, startLayoutAnimation, updateViewLayout

Methods inherited from class android.view.View

applyDrawableToTransparentRegion, bringToFront, buildDrawingCache, cancelLongPress, clearAnimation, computeHorizontalScrollExtent, computeHorizontalScrollOffset, computeHorizontalScrollRange, computeScroll, computeVerticalScrollExtent, computeVerticalScrollOffset, computeVerticalScrollRange, createContextMenu, debug, debugIndent, destroyDrawingCache, dispatchKeyShortcutEvent, finalize, findViewById, findViewWithTag, focusSearch, forceLayout, getAnimation, getApplicationWindowToken, getBackground, getBottom, getBottomFadingEdgeStrength, getContext, getContextMenuInfo, getDefaultSize, getDrawableState, getDrawingCache, getDrawingCacheBackgroundColor, getDrawingCacheQuality, getDrawingRect, getDrawingTime, getFocusables, getFocusedRect, getGlobalVisibleRect, getGlobalVisibleRect, getHandler, getHeight, getHitRect, getHorizontalFadingEdgeLength, getHorizontalScrollbarHeight, getId, getKeepScreenOn, getLayoutParams, getLeft, getLeftFadingEdgeStrength, getLocalVisibleRect, getLocationInWindow, getLocationOnScreen, getMeasuredHeight, getMeasuredWidth, getNextFocusDownId, getNextFocusLeftId, getNextFocusRightId, getNextFocusUpId, getOnFocusChangeListener, getPaddingBottom, getPaddingLeft, getPaddingRight, getPaddingTop, getParent, getResources, getRight, getRightFadingEdgeStrength, getRootView, getScrollBarStyle, getScrollX, getScrollY, getSolidColor, getSuggestedMinimumHeight, getSuggestedMinimumWidth, getTag, getTop, getTopFadingEdgeStrength, getTouchables, getTouchDelegate, getVerticalFadingEdgeLength, getVerticalScrollbarWidth, getViewTreeObserver, getVisibility, getWidth, getWindowAttachCount, getWindowToken, getWindowVisibility, hasWindowFocus, inflate, initializeFadingEdge, initializeScrollbars, invalidate, invalidate, invalidate, invalidateDrawable, isClickable, isDrawingCacheEnabled, isDuplicateParentStateEnabled, isEnabled, isFocusable, isFocusableInTouchMode, isFocused, isHorizontalFadingEdgeEnabled, isHorizontalScrollBarEnabled, isInTouchMode, isLayoutRequested, isLongClickable, isPressed, isRootNamespace, isSaveEnabled, isSelected, isShown, isSoundEffectsEnabled, isVerticalFadingEdgeEnabled, isVerticalScrollBarEnabled, layout, measure, mergeDrawableStates, offsetLeftAndRight, offsetTopAndBottom, onAttachedToWindow, onCreateContextMenu, onDetachedFromWindow, onDraw, onFinishInflate, onFocusChanged, onKeyDown, onKeyMultiple, onKeyShortcut, onKeyUp, onRestoreInstanceState, onSaveInstanceState, onScrollChanged, onSetAlpha, onTouchEvent, onTrackballEvent, onWindowFocusChanged, onWindowVisibilityChanged, performClick, performLongClick, playSoundEffect, post, postDelayed, postInvalidate, postInvalidate, postInvalidateDelayed, postInvalidateDelayed, refreshDrawableState, removeCallbacks, requestFocus, requestFocus, requestFocusFromTouch, requestLayout, requestRectangleOnScreen, requestRectangleOnScreen, resolveSize, restoreHierarchyState, saveHierarchyState, scheduleDrawable, scrollBy, scrollTo, setAnimation, setBackgroundColor, setBackgroundDrawable, setBackgroundResource, setClickable, setDrawingCacheBackgroundColor, setDrawingCacheEnabled, setDrawingCacheQuality, setDuplicateParentStateEnabled, setEnabled, setFadingEdgeLength, setFocusable, setFocusableInTouchMode, setFrame, setHorizontalFadingEdgeEnabled, setHorizontalScrollBarEnabled, setId, setIsRootNamespace, setKeepScreenOn, setLayoutParams, setLongClickable, setMeasuredDimension, setMinimumHeight, setMinimumWidth, setNextFocusDownId, setNextFocusLeftId, setNextFocusRightId, setNextFocusUpId, setOnClickListener, setOnCreateContextMenuListener, setOnFocusChangeListener, setOnKeyListener, setOnLongClickListener, setOnTouchListener, setPressed, setSaveEnabled, setScrollBarStyle, setSelected, setSoundEffectsEnabled, setTag, setTouchDelegate, setVerticalFadingEdgeEnabled, setVerticalScrollBarEnabled, setVisibility, setWillNotCacheDrawing, setWillNotDraw, showContextMenu, startAnimation, unscheduleDrawable, unscheduleDrawable, willNotCacheDrawing, willNotDraw

Methods inherited from class java.lang.Object

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

Methods inherited from interface android.view.ViewParent

createContextMenu, getParent, isLayoutRequested, requestLayout

Field Detail

mWhichChild

int mWhichChild

mFirstTime

boolean mFirstTime

mAnimateFirstTime

boolean mAnimateFirstTime

mInAnimation

Animation mInAnimation

mOutAnimation

Animation mOutAnimation

Constructor Detail

ViewAnimator

public ViewAnimator(Context context)

ViewAnimator

public ViewAnimator(Context context,
                    AttributeSet attrs)

Method Detail

setDisplayedChild

public void setDisplayedChild(int whichChild)

Sets which child view will be displayed.

Parameters:

whichChild - the index of the child view to display

getDisplayedChild

public int getDisplayedChild()

Returns the index of the currently displayed child view.

showNext

public void showNext()

Manually shows the next child.

showPrevious

public void showPrevious()

Manually shows the previous child.

showOnly

void showOnly(int childIndex)

Shows only the specified child. The other displays Views exit the screen with the out animation and the specified child enters the screen with the in animation.

Parameters:

childIndex - The index of the child to be shown.

addView

public void addView(View child,
                    int index,
                    ViewGroup.LayoutParams params)

Description copied from class: ViewGroup

Adds a child view with the specified layout parameters.

Overrides:

addView in class ViewGroup

Parameters:

child - the child view to add

index - the position at which to add the child

params - the layout parameters to set on the child

getCurrentView

public View getCurrentView()

Returns the View corresponding to the currently displayed child.

Returns:

The View currently displayed.

See Also:

getDisplayedChild()

getInAnimation

public Animation getInAnimation()

Returns the current animation used to animate a View that enters the screen.

Returns:

An Animation or null if none is set.

See Also:

setInAnimation(android.view.animation.Animation), setInAnimation(android.content.Context, int)

setInAnimation

public void setInAnimation(Animation inAnimation)

Specifies the animation used to animate a View that enters the screen.

Parameters:

inAnimation - The animation started when a View enters the screen.

See Also:

getInAnimation(), setInAnimation(android.content.Context, int)

getOutAnimation

public Animation getOutAnimation()

Returns the current animation used to animate a View that exits the screen.

Returns:

An Animation or null if none is set.

See Also:

setOutAnimation(android.view.animation.Animation), setOutAnimation(android.content.Context, int)

setOutAnimation

public void setOutAnimation(Animation outAnimation)

Specifies the animation used to animate a View that exit the screen.

Parameters:

outAnimation - The animation started when a View exit the screen.

See Also:

getOutAnimation(), setOutAnimation(android.content.Context, int)

setInAnimation

public void setInAnimation(Context context,
                           int resourceID)

Specifies the animation used to animate a View that enters the screen.

Parameters:

context - The application's environment.

resourceID - The resource id of the animation.

See Also:

getInAnimation(), setInAnimation(android.view.animation.Animation)

setOutAnimation

public void setOutAnimation(Context context,
                            int resourceID)

Specifies the animation used to animate a View that exit the screen.

Parameters:

context - The application's environment.

resourceID - The resource id of the animation.

See Also:

getOutAnimation(), setOutAnimation(android.view.animation.Animation)

setAnimateFirstView

public void setAnimateFirstView(boolean animate)

Indicates whether the current View should be animated the first time the ViewAnimation is displayed.

Parameters:

animate - True to animate the current View the first time it is displayed, false otherwise.

getBaseline

public int getBaseline()

Description copied from class: View

Return the offset of the widget's text baseline from the widget's top boundary. If this widget does not support baseline alignment, this method returns -1.

Overrides:

getBaseline in class View

Returns:

the offset of the baseline within the widget's bounds or -1 if baseline alignment is not supported