android.widget
Class Spinner

java.lang.Object
  android.view.View
      android.view.ViewGroup
          android.widget.AdapterView<SpinnerAdapter>
              android.widget.AbsSpinner
                  android.widget.Spinner

All Implemented Interfaces:

DialogInterface.OnClickListener, Drawable.Callback, KeyEvent.Callback, ViewManager, ViewParent

public class Spinner
extends AbsSpinner
implements DialogInterface.OnClickListener

A view that displays one child at a time and lets the user pick among them. The items in the Spinner come from the Adapter associated with this view.

Nested Class Summary

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

AbsSpinner.RecycleBin, AbsSpinner.SavedState

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

AdapterView.AdapterContextMenuInfo, AdapterView.AdapterDataSetObserver, AdapterView.OnItemClickListener, AdapterView.OnItemLongClickListener, AdapterView.OnItemSelectedListener

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

ViewGroup.LayoutParams, 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

Fields inherited from class android.widget.AbsSpinner

mAdapter, mBlockLayoutRequests, mHeightMeasureSpec, mInterpolator, mRecycler, mSelectedView, mSelectionBottomPadding, mSelectionLeftPadding, mSelectionRightPadding, mSelectionTopPadding, mSpinnerPadding, mWidthMeasureSpec

Fields inherited from class android.widget.AdapterView

INVALID_POSITION, INVALID_ROW_ID, ITEM_VIEW_TYPE_HEADER_OR_FOOTER, ITEM_VIEW_TYPE_IGNORE, mDataChanged, mEmptyView, mFirstPosition, mInLayout, mItemCount, mNeedSync, mNextSelectedPosition, mNextSelectedRowId, mOldItemCount, mOldSelectedPosition, mOldSelectedRowId, mOnItemClickListener, mOnItemLongClickListener, mOnItemSelectedListener, mSelectedPosition, mSelectedRowId, mSpecificTop, mSyncHeight, mSyncMode, mSyncPosition, mSyncRowId, SYNC_FIRST_POSITION, SYNC_MAX_DURATION_MILLIS, SYNC_SELECTED_POSITION

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

Spinner(Context context)

Spinner(Context context, AttributeSet attrs)

Spinner(Context context, AttributeSet attrs, int defStyle)

Method Summary

int	getBaseline() Return the offset of the widget's text baseline from the widget's top boundary.
CharSequence	getPrompt()
(package private) void	layout(int delta, boolean animate) Creates and positions all views for this Spinner.
void	onClick(DialogInterface dialog, int which) This method will be invoked when a button in the dialog is clicked.
protected void	onLayout(boolean changed, int l, int t, int r, int b) Called from layout when this view should assign a size and position to each of its children.
boolean	performClick() Call this view's OnClickListener, if it is defined.
void	setOnItemClickListener(AdapterView.OnItemClickListener l) A spinner does not support item click events.
void	setPrompt(CharSequence prompt) Sets the prompt to display when the dialog is shown.
void	setPromptId(int promptId) Sets the prompt to display when the dialog is shown.

Methods inherited from class android.widget.AbsSpinner

generateDefaultLayoutParams, getAdapter, getChildHeight, getChildWidth, getCount, getSelectedView, handleDataChanged, onMeasure, onRestoreInstanceState, onSaveInstanceState, pointToPosition, recycleAllViews, requestLayout, resetList, setAdapter, setSelection, setSelection, setSelectionInt

Methods inherited from class android.widget.AdapterView

addView, addView, addView, addView, canAnimate, checkFocus, checkSelectionChanged, dispatchRestoreInstanceState, dispatchSaveInstanceState, findSyncPosition, getEmptyView, getFirstVisiblePosition, getItemAtPosition, getItemIdAtPosition, getLastVisiblePosition, getOnItemClickListener, getOnItemLongClickListener, getOnItemSelectedListener, getPositionForView, getSelectedItem, getSelectedItemId, getSelectedItemPosition, isInFilterMode, lookForSelectablePosition, performItemClick, rememberSyncState, removeAllViews, removeView, removeViewAt, selectionChanged, setEmptyView, setFocusable, setFocusableInTouchMode, setNextSelectedPositionInt, setOnClickListener, setOnItemLongClickListener, setOnItemSelectedListener, setSelectedPositionInt

Methods inherited from class android.view.ViewGroup

addFocusables, addStatesFromChildren, addTouchables, addView, addViewInLayout, addViewInLayout, attachLayoutAnimationParameters, attachViewToParent, bringChildToFront, checkLayoutParams, childDrawableStateChanged, cleanupLayoutState, clearChildFocus, clearDisappearingChildren, clearFocus, debug, detachAllViewsFromParent, detachViewFromParent, detachViewFromParent, detachViewsFromParent, dispatchDraw, dispatchFreezeSelfOnly, dispatchKeyEvent, dispatchSetPressed, dispatchSetSelected, dispatchThawSelfOnly, dispatchTouchEvent, dispatchTrackballEvent, dispatchUnhandledMove, dispatchWindowFocusChanged, dispatchWindowVisibilityChanged, drawableStateChanged, drawChild, findFocus, findViewTraversal, findViewWithTagTraversal, fitSystemWindows, focusableViewAvailable, focusSearch, gatherTransparentRegion, generateLayoutParams, generateLayoutParams, 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, removeAllViewsInLayout, removeDetachedView, 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, draw, 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, onScrollChanged, onSetAlpha, onSizeChanged, onTouchEvent, onTrackballEvent, onWindowFocusChanged, onWindowVisibilityChanged, performLongClick, playSoundEffect, post, postDelayed, postInvalidate, postInvalidate, postInvalidateDelayed, postInvalidateDelayed, refreshDrawableState, removeCallbacks, requestFocus, requestFocus, requestFocusFromTouch, requestRectangleOnScreen, requestRectangleOnScreen, resolveSize, restoreHierarchyState, saveHierarchyState, scheduleDrawable, scrollBy, scrollTo, setAnimation, setBackgroundColor, setBackgroundDrawable, setBackgroundResource, setClickable, setDrawingCacheBackgroundColor, setDrawingCacheEnabled, setDrawingCacheQuality, setDuplicateParentStateEnabled, setEnabled, setFadingEdgeLength, setFrame, setHorizontalFadingEdgeEnabled, setHorizontalScrollBarEnabled, setId, setIsRootNamespace, setKeepScreenOn, setLayoutParams, setLongClickable, setMeasuredDimension, setMinimumHeight, setMinimumWidth, setNextFocusDownId, setNextFocusLeftId, setNextFocusRightId, setNextFocusUpId, setOnCreateContextMenuListener, setOnFocusChangeListener, setOnKeyListener, setOnLongClickListener, setOnTouchListener, setPressed, setSaveEnabled, setScrollBarStyle, setSelected, setSoundEffectsEnabled, setTag, setTouchDelegate, setVerticalFadingEdgeEnabled, setVerticalScrollBarEnabled, setVisibility, setWillNotCacheDrawing, setWillNotDraw, showContextMenu, startAnimation, unscheduleDrawable, unscheduleDrawable, verifyDrawable, 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

Constructor Detail

Spinner

public Spinner(Context context)

Spinner

public Spinner(Context context,
               AttributeSet attrs)

Spinner

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

Method Detail

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

setOnItemClickListener

public void setOnItemClickListener(AdapterView.OnItemClickListener l)

A spinner does not support item click events. Calling this method will raise an exception.

Overrides:

setOnItemClickListener in class AdapterView<SpinnerAdapter>

Parameters:

l - this listener will be ignored

onLayout

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

Description copied from class: ViewGroup

Called from layout when this view should assign a size and position to each of its children. Derived classes with children should override this method and call layout on each of their their children.

Overrides:

onLayout in class AdapterView<SpinnerAdapter>

Parameters:

changed - This is a new size or position for this view

l - Left position, relative to parent

t - Top position, relative to parent

r - Right position, relative to parent

b - Bottom position, relative to parent

See Also:

Creates and positions all views

layout

void layout(int delta,
            boolean animate)

Creates and positions all views for this Spinner.

Specified by:

layout in class AbsSpinner

Parameters:

delta - Change in the selected position. +1 moves selection is moving to the right, so views are scrolling to the left. -1 means selection is moving to the left.

performClick

public boolean performClick()

Description copied from class: View

Call this view's OnClickListener, if it is defined.

Overrides:

performClick in class View

Returns:

True there was an assigned OnClickListener that was called, false otherwise is returned.

onClick

public void onClick(DialogInterface dialog,
                    int which)

Description copied from interface: DialogInterface.OnClickListener

This method will be invoked when a button in the dialog is clicked.

Specified by:

onClick in interface DialogInterface.OnClickListener

Parameters:

dialog - The dialog that received the click.

which - The button that was clicked, i.e. BUTTON1 or BUTTON2 or the position of the item clicked.

setPrompt

public void setPrompt(CharSequence prompt)

Sets the prompt to display when the dialog is shown.

Parameters:

prompt - the prompt to set

setPromptId

public void setPromptId(int promptId)

Sets the prompt to display when the dialog is shown.

Parameters:

promptId - the resource ID of the prompt to display when the dialog is shown

getPrompt

public CharSequence getPrompt()

Returns:

The prompt to display when the dialog is shown