android.widget

Class Button

java.lang.Object

android.view.View

android.widget.TextView

android.widget.Button

All Implemented Interfaces:

Drawable.Callback, AccessibilityEventSource, KeyEvent.Callback, ViewTreeObserver.OnPreDrawListener

Direct Known Subclasses:

CompoundButton

public class Button
extends TextView

Nested Class Summary

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

TextView.BufferType, TextView.OnEditorActionListener, TextView.SavedState

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 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
Button(Context context)
Button(Context context, AttributeSet attrs)
Button(Context context, AttributeSet attrs, int defStyle)

Method Summary

Methods

Modifier and Type	Method and Description
void	onInitializeAccessibilityEvent(AccessibilityEvent event)
void	onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info)

Methods inherited from class android.widget.TextView

addTextChangedListener, append, append, beginBatchEdit, bringPointIntoView, cancelLongPress, clearComposingText, computeHorizontalScrollRange, computeScroll, computeVerticalScrollExtent, computeVerticalScrollRange, debug, didTouchFocusSelect, drawableStateChanged, endBatchEdit, extractText, findViewsWithText, getAutoLinkMask, getBaseline, getBottomPaddingOffset, getCompoundDrawablePadding, getCompoundDrawables, getCompoundPaddingBottom, getCompoundPaddingLeft, getCompoundPaddingRight, getCompoundPaddingTop, getCurrentHintTextColor, getCurrentTextColor, getCustomSelectionActionModeCallback, getDefaultEditable, getDefaultMovementMethod, getEditableText, getEllipsize, getError, getExtendedPaddingBottom, getExtendedPaddingTop, getFilters, getFocusedRect, getFreezesText, getGravity, getHighlightColor, getHint, getHintTextColors, getImeActionId, getImeActionLabel, getImeOptions, getIncludeFontPadding, getInputExtras, getInputType, getKeyListener, getLayout, getLeftFadingEdgeStrength, getLeftPaddingOffset, getLineBounds, getLineCount, getLineHeight, getLineSpacingExtra, getLineSpacingMultiplier, getLinksClickable, getLinkTextColors, getMarqueeRepeatLimit, getMaxEms, getMaxHeight, getMaxLines, getMaxWidth, getMinEms, getMinHeight, getMinLines, getMinWidth, getMovementMethod, getOffsetForPosition, getPaint, getPaintFlags, getPrivateImeOptions, getRightFadingEdgeStrength, getRightPaddingOffset, getSelectionEnd, getSelectionStart, getShadowColor, getShadowDx, getShadowDy, getShadowRadius, getText, getTextColor, getTextColors, getTextColors, getTextScaleX, getTextSize, getTopPaddingOffset, getTotalPaddingBottom, getTotalPaddingLeft, getTotalPaddingRight, getTotalPaddingTop, getTransformationMethod, getTypeface, getUrls, hasOverlappingRendering, hasSelection, invalidateDrawable, isCursorVisible, isInputMethodTarget, isPaddingOffsetRequired, isSuggestionsEnabled, isTextSelectable, jumpDrawablesToCurrentState, length, moveCursorToVisibleOffset, onAttachedToWindow, onBeginBatchEdit, onCheckIsTextEditor, onCommitCompletion, onCommitCorrection, onCreateDrawableState, onCreateInputConnection, onDetachedFromWindow, onDragEvent, onDraw, onEditorAction, onEndBatchEdit, onFinishTemporaryDetach, onFocusChanged, onGenericMotionEvent, onKeyDown, onKeyMultiple, onKeyPreIme, onKeyShortcut, onKeyUp, onLayout, onMeasure, onPopulateAccessibilityEvent, onPreDraw, onPrivateIMECommand, onRestoreInstanceState, onSaveInstanceState, onScreenStateChanged, onScrollChanged, onSelectionChanged, onStartTemporaryDetach, onTextChanged, onTextContextMenuItem, onTouchEvent, onTrackballEvent, onVisibilityChanged, onWindowFocusChanged, performLongClick, removeTextChangedListener, resetResolvedDrawables, resolveDrawables, sendAccessibilityEvent, setAllCaps, setAutoLinkMask, setCompoundDrawablePadding, setCompoundDrawables, setCompoundDrawablesWithIntrinsicBounds, setCompoundDrawablesWithIntrinsicBounds, setCursorVisible, setCustomSelectionActionModeCallback, setEditableFactory, setEllipsize, setEms, setEnabled, setError, setError, setExtractedText, setFilters, setFrame, setFreezesText, setGravity, setHeight, setHighlightColor, setHint, setHint, setHintTextColor, setHintTextColor, setHorizontallyScrolling, setImeActionLabel, setImeOptions, setIncludeFontPadding, setInputExtras, setInputType, setKeyListener, setLines, setLineSpacing, setLinksClickable, setLinkTextColor, setLinkTextColor, setMarqueeRepeatLimit, setMaxEms, setMaxHeight, setMaxLines, setMaxWidth, setMinEms, setMinHeight, setMinLines, setMinWidth, setMovementMethod, setOnEditorActionListener, setPadding, setPaddingRelative, setPaintFlags, setPrivateImeOptions, setRawInputType, setScroller, setSelectAllOnFocus, setSelected, setShadowLayer, setSingleLine, setSingleLine, setSpannableFactory, setText, setText, setText, setText, setText, setTextAppearance, setTextColor, setTextColor, setTextIsSelectable, setTextKeepState, setTextKeepState, setTextScaleX, setTextSize, setTextSize, setTransformationMethod, setTypeface, setTypeface, setWidth, verifyDrawable

Methods inherited from class android.view.View

addChildrenForAccessibility, addFocusables, addFocusables, addOnAttachStateChangeListener, addOnLayoutChangeListener, addTouchables, animate, announceForAccessibility, awakenScrollBars, awakenScrollBars, awakenScrollBars, bringToFront, buildDrawingCache, buildDrawingCache, buildLayer, callOnClick, canScrollHorizontally, canScrollVertically, checkInputConnectionProxy, clearAnimation, clearFocus, combineMeasuredStates, computeHorizontalScrollExtent, computeHorizontalScrollOffset, computeVerticalScrollOffset, createAccessibilityNodeInfo, createContextMenu, destroyDrawingCache, dispatchConfigurationChanged, dispatchDisplayHint, dispatchDragEvent, dispatchDraw, dispatchGenericFocusedEvent, dispatchGenericMotionEvent, dispatchGenericPointerEvent, dispatchHoverEvent, dispatchKeyEvent, dispatchKeyEventPreIme, dispatchKeyShortcutEvent, dispatchPopulateAccessibilityEvent, dispatchRestoreInstanceState, dispatchSaveInstanceState, dispatchSetActivated, dispatchSetPressed, dispatchSetSelected, dispatchSystemUiVisibilityChanged, dispatchTouchEvent, dispatchTrackballEvent, dispatchUnhandledMove, dispatchVisibilityChanged, dispatchWindowFocusChanged, dispatchWindowSystemUiVisiblityChanged, dispatchWindowVisibilityChanged, draw, findFocus, findViewById, findViewWithTag, fitSystemWindows, focusSearch, forceLayout, getAccessibilityNodeProvider, getAlpha, getAnimation, getApplicationWindowToken, getBackground, getBottom, getBottomFadingEdgeStrength, getCameraDistance, getContentDescription, getContext, getContextMenuInfo, getDefaultSize, getDrawableState, getDrawingCache, getDrawingCache, getDrawingCacheBackgroundColor, getDrawingCacheQuality, getDrawingRect, getDrawingTime, getFilterTouchesWhenObscured, getFitsSystemWindows, getFocusables, getGlobalVisibleRect, getGlobalVisibleRect, getHandler, getHeight, getHitRect, getHorizontalFadingEdgeLength, getHorizontalScrollbarHeight, getId, getImportantForAccessibility, getKeepScreenOn, getKeyDispatcherState, getLayerType, getLayoutParams, getLeft, 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, getRootView, getRotation, getRotationX, getRotationY, getScaleX, getScaleY, getScrollBarDefaultDelayBeforeFade, getScrollBarFadeDuration, getScrollBarSize, getScrollBarStyle, getScrollX, getScrollY, getSolidColor, getSuggestedMinimumHeight, getSuggestedMinimumWidth, getSystemUiVisibility, getTag, getTag, getTop, getTopFadingEdgeStrength, getTouchables, getTouchDelegate, getTranslationX, getTranslationY, getVerticalFadingEdgeLength, getVerticalScrollbarPosition, getVerticalScrollbarWidth, getViewTreeObserver, getVisibility, getWidth, getWindowAttachCount, getWindowSystemUiVisibility, getWindowToken, getWindowVisibility, getWindowVisibleDisplayFrame, getX, getY, hasFocus, hasFocusable, hasOnClickListeners, hasTransientState, hasWindowFocus, inflate, initializeFadingEdge, initializeScrollbars, invalidate, invalidate, invalidate, isActivated, isClickable, isDirty, isDrawingCacheEnabled, isDuplicateParentStateEnabled, isEnabled, isFocusable, isFocusableInTouchMode, isFocused, isHapticFeedbackEnabled, isHardwareAccelerated, isHorizontalFadingEdgeEnabled, isHorizontalScrollBarEnabled, isHovered, isInEditMode, isInTouchMode, isLayoutRequested, isLongClickable, isOpaque, isPressed, isSaveEnabled, isSaveFromParentEnabled, isScrollbarFadingEnabled, isScrollContainer, isSelected, isShown, isSoundEffectsEnabled, isVerticalFadingEdgeEnabled, isVerticalScrollBarEnabled, layout, measure, mergeDrawableStates, offsetLeftAndRight, offsetTopAndBottom, onAnimationEnd, onAnimationStart, onConfigurationChanged, onCreateContextMenu, onDisplayHint, onDrawScrollBars, onFilterTouchEventForSecurity, onFinishInflate, onHoverChanged, onHoverEvent, onKeyLongPress, onOverScrolled, onSetAlpha, onSizeChanged, onWindowSystemUiVisibilityChanged, onWindowVisibilityChanged, overScrollBy, performAccessibilityAction, performClick, performHapticFeedback, performHapticFeedback, playSoundEffect, post, postDelayed, postInvalidate, postInvalidate, postInvalidateDelayed, postInvalidateDelayed, postInvalidateOnAnimation, postInvalidateOnAnimation, postOnAnimation, postOnAnimationDelayed, refreshDrawableState, removeCallbacks, removeOnAttachStateChangeListener, removeOnLayoutChangeListener, requestFitSystemWindows, requestFocus, requestFocus, requestFocus, requestFocusFromTouch, requestLayout, requestRectangleOnScreen, requestRectangleOnScreen, resolveSize, resolveSizeAndState, restoreHierarchyState, saveHierarchyState, scheduleDrawable, scrollBy, scrollTo, sendAccessibilityEventUnchecked, setAccessibilityDelegate, setActivated, setAlpha, setAnimation, setBackground, setBackgroundColor, setBackgroundDrawable, setBackgroundResource, setBottom, setCameraDistance, setClickable, setContentDescription, setDrawingCacheBackgroundColor, setDrawingCacheEnabled, setDrawingCacheQuality, setDuplicateParentStateEnabled, 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, setSoundEffectsEnabled, setSystemUiVisibility, setTag, setTag, setTop, setTouchDelegate, setTranslationX, setTranslationY, setVerticalFadingEdgeEnabled, setVerticalScrollBarEnabled, setVerticalScrollbarPosition, setVisibility, setWillNotCacheDrawing, setWillNotDraw, setX, setY, showContextMenu, startActionMode, startAnimation, startDrag, unscheduleDrawable, unscheduleDrawable, willNotCacheDrawing, willNotDraw

Methods inherited from class java.lang.Object

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

Constructor Detail

Button

public Button(Context context)

Button

public Button(Context context,
      AttributeSet attrs)

Button

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

Method Detail

onInitializeAccessibilityEvent

public void onInitializeAccessibilityEvent(AccessibilityEvent event)

Overrides:

onInitializeAccessibilityEvent in class TextView

onInitializeAccessibilityNodeInfo

public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info)

Overrides:

onInitializeAccessibilityNodeInfo in class TextView