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Added in API level 1

Button

public class Button
extends TextView

java.lang.Object
↳	android.view.View
	↳	android.widget.TextView
		↳	android.widget.Button

Known Direct Subclasses

AppCompatButton, CompoundButton

Known Indirect Subclasses

AppCompatCheckBox, AppCompatRadioButton, CheckBox, RadioButton, Switch, SwitchCompat, ToggleButton

Represents a push-button widget. Push-buttons can be pressed, or clicked, by the user to perform an action.

A typical use of a push-button in an activity would be the following:

 public class MyActivity extends Activity {
     protected void onCreate(Bundle icicle) {
         super.onCreate(icicle);

         setContentView(R.layout.content_layout_id);

         final Button button = (Button) findViewById(R.id.button_id);
         button.setOnClickListener(new View.OnClickListener() {
             public void onClick(View v) {
                 // Perform action on click
             }
         });
     }
 }

However, instead of applying an OnClickListener to the button in your activity, you can assign a method to your button in the XML layout, using the android:onClick attribute. For example:

 <Button
     android:layout_height="wrap_content"
     android:layout_width="wrap_content"
     android:text="@string/self_destruct"
     android:onClick="selfDestruct" />

Now, when a user clicks the button, the Android system calls the activity's selfDestruct(View) method. In order for this to work, the method must be public and accept a View as its only parameter. For example:

 public void selfDestruct(View view) {
     // Kabloey
 }

The View passed into the method is a reference to the widget that was clicked.

Button style

Every Button is styled using the system's default button background, which is often different from one device to another and from one version of the platform to another. If you're not satisfied with the default button style and want to customize it to match the design of your application, then you can replace the button's background image with a state list drawable. A state list drawable is a drawable resource defined in XML that changes its image based on the current state of the button. Once you've defined a state list drawable in XML, you can apply it to your Button with the android:background attribute. For more information and an example, see State List Drawable.

See the Buttons guide.

XML attributes

See Button Attributes, TextView Attributes, View Attributes

Summary

Inherited XML attributes

From class


  android.widget.TextView

`android:autoLink`	Controls whether links such as urls and email addresses are automatically found and converted to clickable links.
`android:autoText`	If set, specifies that this TextView has a textual input method and automatically corrects some common spelling errors.
`android:breakStrategy`	Break strategy (control over paragraph layout).
`android:bufferType`	Determines the minimum type that getText() will return.
`android:capitalize`	If set, specifies that this TextView has a textual input method and should automatically capitalize what the user types.
`android:cursorVisible`	Makes the cursor visible (the default) or invisible.
`android:digits`	If set, specifies that this TextView has a numeric input method and that these specific characters are the ones that it will accept.
`android:drawableBottom`	The drawable to be drawn below the text.
`android:drawableEnd`	The drawable to be drawn to the end of the text.
`android:drawableLeft`	The drawable to be drawn to the left of the text.
`android:drawablePadding`	The padding between the drawables and the text.
`android:drawableRight`	The drawable to be drawn to the right of the text.
`android:drawableStart`	The drawable to be drawn to the start of the text.
`android:drawableTint`	Tint to apply to the compound (left, top, etc.) drawables.
`android:drawableTintMode`	Blending mode used to apply the compound (left, top, etc.) drawables tint.
`android:drawableTop`	The drawable to be drawn above the text.
`android:editable`	If set, specifies that this TextView has an input method.
`android:editorExtras`	Reference to an `<input-extras>` XML resource containing additional data to supply to an input method, which is private to the implementation of the input method.
`android:elegantTextHeight`	Elegant text height, especially for less compacted complex script text.
`android:ellipsize`	If set, causes words that are longer than the view is wide to be ellipsized instead of broken in the middle.
`android:ems`	Makes the TextView be exactly this many ems wide.
`android:fontFamily`	Font family (named by string) for the text.
`android:fontFeatureSettings`	Font feature settings.
`android:freezesText`	If set, the text view will include its current complete text inside of its frozen icicle in addition to meta-data such as the current cursor position.
`android:gravity`	Specifies how to align the text by the view's x- and/or y-axis when the text is smaller than the view.
`android:height`	Makes the TextView be exactly this many pixels tall.
`android:hint`	Hint text to display when the text is empty.
`android:hyphenationFrequency`	Frequency of automatic hyphenation.
`android:imeActionId`	Supply a value for `EditorInfo.actionId` used when an input method is connected to the text view.
`android:imeActionLabel`	Supply a value for `EditorInfo.actionLabel` used when an input method is connected to the text view.
`android:imeOptions`	Additional features you can enable in an IME associated with an editor to improve the integration with your application.
`android:includeFontPadding`	Leave enough room for ascenders and descenders instead of using the font ascent and descent strictly.
`android:inputMethod`	If set, specifies that this TextView should use the specified input method (specified by fully-qualified class name).
`android:inputType`	The type of data being placed in a text field, used to help an input method decide how to let the user enter text.
`android:letterSpacing`	Text letter-spacing.
`android:lineSpacingExtra`	Extra spacing between lines of text.
`android:lineSpacingMultiplier`	Extra spacing between lines of text, as a multiplier.
`android:lines`	Makes the TextView be exactly this many lines tall.
`android:linksClickable`	If set to false, keeps the movement method from being set to the link movement method even if autoLink causes links to be found.
`android:marqueeRepeatLimit`	The number of times to repeat the marquee animation.
`android:maxEms`	Makes the TextView be at most this many ems wide.
`android:maxHeight`	Makes the TextView be at most this many pixels tall.
`android:maxLength`	Set an input filter to constrain the text length to the specified number.
`android:maxLines`	Makes the TextView be at most this many lines tall.
`android:maxWidth`	Makes the TextView be at most this many pixels wide.
`android:minEms`	Makes the TextView be at least this many ems wide.
`android:minHeight`	Makes the TextView be at least this many pixels tall.
`android:minLines`	Makes the TextView be at least this many lines tall.
`android:minWidth`	Makes the TextView be at least this many pixels wide.
`android:numeric`	If set, specifies that this TextView has a numeric input method.
`android:password`	Whether the characters of the field are displayed as password dots instead of themselves.
`android:phoneNumber`	If set, specifies that this TextView has a phone number input method.
`android:privateImeOptions`	An addition content type description to supply to the input method attached to the text view, which is private to the implementation of the input method.
`android:scrollHorizontally`	Whether the text is allowed to be wider than the view (and therefore can be scrolled horizontally).
`android:selectAllOnFocus`	If the text is selectable, select it all when the view takes focus.
`android:shadowColor`	Place a blurred shadow of text underneath the text, drawn with the specified color.
`android:shadowDx`	Horizontal offset of the text shadow.
`android:shadowDy`	Vertical offset of the text shadow.
`android:shadowRadius`	Blur radius of the text shadow.
`android:singleLine`	Constrains the text to a single horizontally scrolling line instead of letting it wrap onto multiple lines, and advances focus instead of inserting a newline when you press the enter key.
`android:text`	Text to display.
`android:textAllCaps`	Present the text in ALL CAPS.
`android:textAppearance`	Base text color, typeface, size, and style.
`android:textColor`	Text color.
`android:textColorHighlight`	Color of the text selection highlight.
`android:textColorHint`	Color of the hint text.
`android:textColorLink`	Text color for links.
`android:textIsSelectable`	Indicates that the content of a non-editable text can be selected.
`android:textScaleX`	Sets the horizontal scaling factor for the text.
`android:textSize`	Size of the text.
`android:textStyle`	Style (bold, italic, bolditalic) for the text.
`android:typeface`	Typeface (normal, sans, serif, monospace) for the text.
`android:width`	Makes the TextView be exactly this many pixels wide.

From class


  android.view.View

Inherited constants

From class


    android.view.View

Inherited fields

From class


    android.view.View

Public constructors
`Button(Context context)`
`Button(Context context, AttributeSet attrs)`
`Button(Context context, AttributeSet attrs, int defStyleAttr)`
`Button(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)`

Public methods
`CharSequence`	`getAccessibilityClassName()` Return the class name of this object to be used for accessibility purposes.

Inherited methods

From class


  
    android.widget.TextView

`void`	`addTextChangedListener(TextWatcher watcher)` Adds a TextWatcher to the list of those whose methods are called whenever this TextView's text changes.
`final void`	`append(CharSequence text)` Convenience method: Append the specified text to the TextView's display buffer, upgrading it to BufferType.EDITABLE if it was not already editable.
`void`	`append(CharSequence text, int start, int end)` Convenience method: Append the specified text slice to the TextView's display buffer, upgrading it to BufferType.EDITABLE if it was not already editable.
`void`	`beginBatchEdit()`
`boolean`	`bringPointIntoView(int offset)` Move the point, specified by the offset, into the view if it is needed.
`void`	`cancelLongPress()` Cancels a pending long press.
`void`	`clearComposingText()` Use `BaseInputConnection.removeComposingSpans()` to remove any IME composing state from this text view.
`int`	`computeHorizontalScrollRange()` Compute the horizontal range that the horizontal scrollbar represents.
`void`	`computeScroll()` Called by a parent to request that a child update its values for mScrollX and mScrollY if necessary.
`int`	`computeVerticalScrollExtent()` Compute the vertical extent of the vertical scrollbar's thumb within the vertical range.
`int`	`computeVerticalScrollRange()` Compute the vertical range that the vertical scrollbar represents.
`void`	`debug(int depth)` Prints information about this view in the log output, with the tag `VIEW_LOG_TAG`.
`boolean`	`didTouchFocusSelect()` Returns true, only while processing a touch gesture, if the initial touch down event caused focus to move to the text view and as a result its selection changed.
`void`	`drawableHotspotChanged(float x, float y)` This function is called whenever the view hotspot changes and needs to be propagated to drawables or child views managed by the view.
`void`	`drawableStateChanged()` This function is called whenever the state of the view changes in such a way that it impacts the state of drawables being shown.
`void`	`endBatchEdit()`
`boolean`	`extractText(ExtractedTextRequest request, ExtractedText outText)` If this TextView contains editable content, extract a portion of it based on the information in `request` in to `outText`.
`void`	`findViewsWithText(ArrayList<View> outViews, CharSequence searched, int flags)` Finds the Views that contain given text.
`CharSequence`	`getAccessibilityClassName()` Return the class name of this object to be used for accessibility purposes.
`final int`	`getAutoLinkMask()` Gets the autolink mask of the text.
`int`	`getBaseline()` Return the offset of the widget's text baseline from the widget's top boundary.
`int`	`getBottomPaddingOffset()` Amount by which to extend the bottom fading region.
`int`	`getBreakStrategy()`
`int`	`getCompoundDrawablePadding()` Returns the padding between the compound drawables and the text.
`ColorStateList`	`getCompoundDrawableTintList()`
`PorterDuff.Mode`	`getCompoundDrawableTintMode()` Returns the blending mode used to apply the tint to the compound drawables, if specified.
`Drawable[]`	`getCompoundDrawables()` Returns drawables for the left, top, right, and bottom borders.
`Drawable[]`	`getCompoundDrawablesRelative()` Returns drawables for the start, top, end, and bottom borders.
`int`	`getCompoundPaddingBottom()` Returns the bottom padding of the view, plus space for the bottom Drawable if any.
`int`	`getCompoundPaddingEnd()` Returns the end padding of the view, plus space for the end Drawable if any.
`int`	`getCompoundPaddingLeft()` Returns the left padding of the view, plus space for the left Drawable if any.
`int`	`getCompoundPaddingRight()` Returns the right padding of the view, plus space for the right Drawable if any.
`int`	`getCompoundPaddingStart()` Returns the start padding of the view, plus space for the start Drawable if any.
`int`	`getCompoundPaddingTop()` Returns the top padding of the view, plus space for the top Drawable if any.
`final int`	`getCurrentHintTextColor()` Return the current color selected to paint the hint text.
`final int`	`getCurrentTextColor()` Return the current color selected for normal text.
`ActionMode.Callback`	`getCustomInsertionActionModeCallback()` Retrieves the value set in `setCustomInsertionActionModeCallback(ActionMode.Callback)`.
`ActionMode.Callback`	`getCustomSelectionActionModeCallback()` Retrieves the value set in `setCustomSelectionActionModeCallback(ActionMode.Callback)`.
`boolean`	`getDefaultEditable()` Subclasses override this to specify that they have a KeyListener by default even if not specifically called for in the XML options.
`MovementMethod`	`getDefaultMovementMethod()` Subclasses override this to specify a default movement method.
`Editable`	`getEditableText()` Return the text the TextView is displaying as an Editable object.
`TextUtils.TruncateAt`	`getEllipsize()` Returns where, if anywhere, words that are longer than the view is wide should be ellipsized.
`CharSequence`	`getError()` Returns the error message that was set to be displayed with `setError(CharSequence)`, or `null` if no error was set or if it the error was cleared by the widget after user input.
`int`	`getExtendedPaddingBottom()` Returns the extended bottom padding of the view, including both the bottom Drawable if any and any extra space to keep more than maxLines of text from showing.
`int`	`getExtendedPaddingTop()` Returns the extended top padding of the view, including both the top Drawable if any and any extra space to keep more than maxLines of text from showing.
`InputFilter[]`	`getFilters()` Returns the current list of input filters.
`void`	`getFocusedRect(Rect r)` When a view has focus and the user navigates away from it, the next view is searched for starting from the rectangle filled in by this method.
`String`	`getFontFeatureSettings()` Returns the font feature settings.
`boolean`	`getFreezesText()` Return whether this text view is including its entire text contents in frozen icicles.
`int`	`getGravity()` Returns the horizontal and vertical alignment of this TextView.
`int`	`getHighlightColor()`
`CharSequence`	`getHint()` Returns the hint that is displayed when the text of the TextView is empty.
`final ColorStateList`	`getHintTextColors()`
`int`	`getHyphenationFrequency()`
`int`	`getImeActionId()` Get the IME action ID previous set with `setImeActionLabel(CharSequence, int)`.
`CharSequence`	`getImeActionLabel()` Get the IME action label previous set with `setImeActionLabel(CharSequence, int)`.
`LocaleList`	`getImeHintLocales()`
`int`	`getImeOptions()` Get the type of the IME editor.
`boolean`	`getIncludeFontPadding()` Gets whether the TextView includes extra top and bottom padding to make room for accents that go above the normal ascent and descent.
`Bundle`	`getInputExtras(boolean create)` Retrieve the input extras currently associated with the text view, which can be viewed as well as modified.
`int`	`getInputType()` Get the type of the editable content.
`final KeyListener`	`getKeyListener()`
`final Layout`	`getLayout()`
`float`	`getLeftFadingEdgeStrength()` Returns the strength, or intensity, of the left faded edge.
`int`	`getLeftPaddingOffset()` Amount by which to extend the left fading region.
`float`	`getLetterSpacing()`
`int`	`getLineBounds(int line, Rect bounds)` Return the baseline for the specified line (0...getLineCount() - 1) If bounds is not null, return the top, left, right, bottom extents of the specified line in it.
`int`	`getLineCount()` Return the number of lines of text, or 0 if the internal Layout has not been built.
`int`	`getLineHeight()`
`float`	`getLineSpacingExtra()` Gets the line spacing extra space
`float`	`getLineSpacingMultiplier()` Gets the line spacing multiplier
`final ColorStateList`	`getLinkTextColors()`
`final boolean`	`getLinksClickable()` Returns whether the movement method will automatically be set to `LinkMovementMethod` if `setAutoLinkMask(int)` has been set to nonzero and links are detected in `setText(char[], int, int)`.
`int`	`getMarqueeRepeatLimit()` Gets the number of times the marquee animation is repeated.
`int`	`getMaxEms()`
`int`	`getMaxHeight()`
`int`	`getMaxLines()`
`int`	`getMaxWidth()`
`int`	`getMinEms()`
`int`	`getMinHeight()`
`int`	`getMinLines()`
`int`	`getMinWidth()`
`final MovementMethod`	`getMovementMethod()`
`int`	`getOffsetForPosition(float x, float y)` Get the character offset closest to the specified absolute position.
`TextPaint`	`getPaint()`
`int`	`getPaintFlags()`
`String`	`getPrivateImeOptions()` Get the private type of the content.
`float`	`getRightFadingEdgeStrength()` Returns the strength, or intensity, of the right faded edge.
`int`	`getRightPaddingOffset()` Amount by which to extend the right fading region.
`int`	`getSelectionEnd()` Convenience for `getSelectionEnd(CharSequence)`.
`int`	`getSelectionStart()` Convenience for `getSelectionStart(CharSequence)`.
`int`	`getShadowColor()`
`float`	`getShadowDx()`
`float`	`getShadowDy()`
`float`	`getShadowRadius()` Gets the radius of the shadow layer.
`final boolean`	`getShowSoftInputOnFocus()` Returns whether the soft input method will be made visible when this TextView gets focused.
`CharSequence`	`getText()` Return the text the TextView is displaying.
`final ColorStateList`	`getTextColors()` Gets the text colors for the different states (normal, selected, focused) of the TextView.
`Locale`	`getTextLocale()` Get the default primary `Locale` of the text in this TextView.
`LocaleList`	`getTextLocales()` Get the default `LocaleList` of the text in this TextView.
`float`	`getTextScaleX()`
`float`	`getTextSize()`
`int`	`getTopPaddingOffset()` Amount by which to extend the top fading region.
`int`	`getTotalPaddingBottom()` Returns the total bottom padding of the view, including the bottom Drawable if any, the extra space to keep more than maxLines from showing, and the vertical offset for gravity, if any.
`int`	`getTotalPaddingEnd()` Returns the total end padding of the view, including the end Drawable if any.
`int`	`getTotalPaddingLeft()` Returns the total left padding of the view, including the left Drawable if any.
`int`	`getTotalPaddingRight()` Returns the total right padding of the view, including the right Drawable if any.
`int`	`getTotalPaddingStart()` Returns the total start padding of the view, including the start Drawable if any.
`int`	`getTotalPaddingTop()` Returns the total top padding of the view, including the top Drawable if any, the extra space to keep more than maxLines from showing, and the vertical offset for gravity, if any.
`final TransformationMethod`	`getTransformationMethod()`
`Typeface`	`getTypeface()`
`URLSpan[]`	`getUrls()` Returns the list of URLSpans attached to the text (by `Linkify` or otherwise) if any.
`boolean`	`hasOverlappingRendering()` Returns whether this View has content which overlaps.
`boolean`	`hasSelection()` Return true iff there is a selection inside this text view.
`void`	`invalidateDrawable(Drawable drawable)` Invalidates the specified Drawable.
`boolean`	`isCursorVisible()`
`boolean`	`isInputMethodTarget()` Returns whether this text view is a current input method target.
`boolean`	`isPaddingOffsetRequired()` If the View draws content inside its padding and enables fading edges, it needs to support padding offsets.
`boolean`	`isSuggestionsEnabled()` Return whether or not suggestions are enabled on this TextView.
`boolean`	`isTextSelectable()` Returns the state of the `textIsSelectable` flag (See `setTextIsSelectable()`).
`void`	`jumpDrawablesToCurrentState()` Call `Drawable.jumpToCurrentState()` on all Drawable objects associated with this view.
`int`	`length()` Returns the length, in characters, of the text managed by this TextView
`boolean`	`moveCursorToVisibleOffset()` Move the cursor, if needed, so that it is at an offset that is visible to the user.
`void`	`onAttachedToWindow()` This is called when the view is attached to a window.
`void`	`onBeginBatchEdit()` Called by the framework in response to a request to begin a batch of edit operations through a call to link `beginBatchEdit()`.
`boolean`	`onCheckIsTextEditor()` Check whether the called view is a text editor, in which case it would make sense to automatically display a soft input window for it.
`void`	`onCommitCompletion(CompletionInfo text)` Called by the framework in response to a text completion from the current input method, provided by it calling `InputConnection.commitCompletion()`.
`void`	`onCommitCorrection(CorrectionInfo info)` Called by the framework in response to a text auto-correction (such as fixing a typo using a a dictionnary) from the current input method, provided by it calling `commitCorrection(CorrectionInfo)` InputConnection.commitCorrection()}.
`void`	`onConfigurationChanged(Configuration newConfig)` Called when the current configuration of the resources being used by the application have changed.
`void`	`onCreateContextMenu(ContextMenu menu)` Views should implement this if the view itself is going to add items to the context menu.
`int[]`	`onCreateDrawableState(int extraSpace)` Generate the new `Drawable` state for this view.
`InputConnection`	`onCreateInputConnection(EditorInfo outAttrs)` Create a new InputConnection for an InputMethod to interact with the view.
`boolean`	`onDragEvent(DragEvent event)` Handles drag events sent by the system following a call to `startDragAndDrop()`.
`void`	`onDraw(Canvas canvas)` Implement this to do your drawing.
`void`	`onEditorAction(int actionCode)` Called when an attached input method calls `InputConnection.performEditorAction()` for this text view.
`void`	`onEndBatchEdit()` Called by the framework in response to a request to end a batch of edit operations through a call to link `endBatchEdit()`.
`void`	`onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect)` Called by the view system when the focus state of this view changes.
`boolean`	`onGenericMotionEvent(MotionEvent event)` Implement this method to handle generic motion events.
`boolean`	`onKeyDown(int keyCode, KeyEvent event)` Default implementation of `KeyEvent.Callback.onKeyDown()`: perform press of the view when `KEYCODE_DPAD_CENTER` or `KEYCODE_ENTER` is released, if the view is enabled and clickable.
`boolean`	`onKeyMultiple(int keyCode, int repeatCount, KeyEvent event)` Default implementation of `KeyEvent.Callback.onKeyMultiple()`: always returns false (doesn't handle the event).
`boolean`	`onKeyPreIme(int keyCode, KeyEvent event)` Handle a key event before it is processed by any input method associated with the view hierarchy.
`boolean`	`onKeyShortcut(int keyCode, KeyEvent event)` Called on the focused view when a key shortcut event is not handled.
`boolean`	`onKeyUp(int keyCode, KeyEvent event)` Default implementation of `KeyEvent.Callback.onKeyUp()`: perform clicking of the view when `KEYCODE_DPAD_CENTER`, `KEYCODE_ENTER` or `KEYCODE_SPACE` is released.
`void`	`onLayout(boolean changed, int left, int top, int right, int bottom)` Called from layout when this view should assign a size and position to each of its children.
`void`	`onMeasure(int widthMeasureSpec, int heightMeasureSpec)` Measure the view and its content to determine the measured width and the measured height.
`boolean`	`onPreDraw()` Callback method to be invoked when the view tree is about to be drawn.
`boolean`	`onPrivateIMECommand(String action, Bundle data)` Called by the framework in response to a private command from the current method, provided by it calling `InputConnection.performPrivateCommand()`.
`void`	`onProvideStructure(ViewStructure structure)` Called when assist structure is being retrieved from a view as part of `Activity.onProvideAssistData`.
`PointerIcon`	`onResolvePointerIcon(MotionEvent event, int pointerIndex)` Returns the pointer icon for the motion event, or null if it doesn't specify the icon.
`void`	`onRestoreInstanceState(Parcelable state)` Hook allowing a view to re-apply a representation of its internal state that had previously been generated by `onSaveInstanceState()`.
`void`	`onRtlPropertiesChanged(int layoutDirection)` Called when any RTL property (layout direction or text direction or text alignment) has been changed.
`Parcelable`	`onSaveInstanceState()` Hook allowing a view to generate a representation of its internal state that can later be used to create a new instance with that same state.
`void`	`onScreenStateChanged(int screenState)` This method is called whenever the state of the screen this view is attached to changes.
`void`	`onScrollChanged(int horiz, int vert, int oldHoriz, int oldVert)` This is called in response to an internal scroll in this view (i.e., the view scrolled its own contents).
`void`	`onSelectionChanged(int selStart, int selEnd)` This method is called when the selection has changed, in case any subclasses would like to know.
`void`	`onTextChanged(CharSequence text, int start, int lengthBefore, int lengthAfter)` This method is called when the text is changed, in case any subclasses would like to know.
`boolean`	`onTextContextMenuItem(int id)` Called when a context menu option for the text view is selected.
`boolean`	`onTouchEvent(MotionEvent event)` Implement this method to handle touch screen motion events.
`boolean`	`onTrackballEvent(MotionEvent event)` Implement this method to handle trackball motion events.
`void`	`onVisibilityChanged(View changedView, int visibility)` Called when the visibility of the view or an ancestor of the view has changed.
`void`	`onWindowFocusChanged(boolean hasWindowFocus)` Called when the window containing this view gains or loses focus.
`boolean`	`performLongClick()` Calls this view's OnLongClickListener, if it is defined.
`void`	`removeTextChangedListener(TextWatcher watcher)` Removes the specified TextWatcher from the list of those whose methods are called whenever this TextView's text changes.
`void`	`setAllCaps(boolean allCaps)` Sets the properties of this field to transform input to ALL CAPS display.
`final void`	`setAutoLinkMask(int mask)` Sets the autolink mask of the text.
`void`	`setBreakStrategy(int breakStrategy)` Sets the break strategy for breaking paragraphs into lines.
`void`	`setCompoundDrawablePadding(int pad)` Sets the size of the padding between the compound drawables and the text.
`void`	`setCompoundDrawableTintList(ColorStateList tint)` Applies a tint to the compound drawables.
`void`	`setCompoundDrawableTintMode(PorterDuff.Mode tintMode)` Specifies the blending mode used to apply the tint specified by `setCompoundDrawableTintList(ColorStateList)` to the compound drawables.
`void`	`setCompoundDrawables(Drawable left, Drawable top, Drawable right, Drawable bottom)` Sets the Drawables (if any) to appear to the left of, above, to the right of, and below the text.
`void`	`setCompoundDrawablesRelative(Drawable start, Drawable top, Drawable end, Drawable bottom)` Sets the Drawables (if any) to appear to the start of, above, to the end of, and below the text.
`void`	`setCompoundDrawablesRelativeWithIntrinsicBounds(Drawable start, Drawable top, Drawable end, Drawable bottom)` Sets the Drawables (if any) to appear to the start of, above, to the end of, and below the text.
`void`	`setCompoundDrawablesRelativeWithIntrinsicBounds(int start, int top, int end, int bottom)` Sets the Drawables (if any) to appear to the start of, above, to the end of, and below the text.
`void`	`setCompoundDrawablesWithIntrinsicBounds(Drawable left, Drawable top, Drawable right, Drawable bottom)` Sets the Drawables (if any) to appear to the left of, above, to the right of, and below the text.
`void`	`setCompoundDrawablesWithIntrinsicBounds(int left, int top, int right, int bottom)` Sets the Drawables (if any) to appear to the left of, above, to the right of, and below the text.
`void`	`setCursorVisible(boolean visible)` Set whether the cursor is visible.
`void`	`setCustomInsertionActionModeCallback(ActionMode.Callback actionModeCallback)` If provided, this ActionMode.Callback will be used to create the ActionMode when text insertion is initiated in this View.
`void`	`setCustomSelectionActionModeCallback(ActionMode.Callback actionModeCallback)` If provided, this ActionMode.Callback will be used to create the ActionMode when text selection is initiated in this View.
`final void`	`setEditableFactory(Editable.Factory factory)` Sets the Factory used to create new Editables.
`void`	`setElegantTextHeight(boolean elegant)` Set the TextView's elegant height metrics flag.
`void`	`setEllipsize(TextUtils.TruncateAt where)` Causes words in the text that are longer than the view's width to be ellipsized instead of broken in the middle.
`void`	`setEms(int ems)` Makes the TextView exactly this many ems wide
`void`	`setEnabled(boolean enabled)` Set the enabled state of this view.
`void`	`setError(CharSequence error)` Sets the right-hand compound drawable of the TextView to the "error" icon and sets an error message that will be displayed in a popup when the TextView has focus.
`void`	`setError(CharSequence error, Drawable icon)` Sets the right-hand compound drawable of the TextView to the specified icon and sets an error message that will be displayed in a popup when the TextView has focus.
`void`	`setExtractedText(ExtractedText text)` Apply to this text view the given extracted text, as previously returned by `extractText(ExtractedTextRequest, ExtractedText)`.
`void`	`setFilters(InputFilter[] filters)` Sets the list of input filters that will be used if the buffer is Editable.
`void`	`setFontFeatureSettings(String fontFeatureSettings)` Sets font feature settings.
`boolean`	`setFrame(int l, int t, int r, int b)` Assign a size and position to this view.
`void`	`setFreezesText(boolean freezesText)` Control whether this text view saves its entire text contents when freezing to an icicle, in addition to dynamic state such as cursor position.
`void`	`setGravity(int gravity)` Sets the horizontal alignment of the text and the vertical gravity that will be used when there is extra space in the TextView beyond what is required for the text itself.
`void`	`setHeight(int pixels)` Makes the TextView exactly this many pixels tall.
`void`	`setHighlightColor(int color)` Sets the color used to display the selection highlight.
`final void`	`setHint(CharSequence hint)` Sets the text to be displayed when the text of the TextView is empty.
`final void`	`setHint(int resid)` Sets the text to be displayed when the text of the TextView is empty, from a resource.
`final void`	`setHintTextColor(ColorStateList colors)` Sets the color of the hint text.
`final void`	`setHintTextColor(int color)` Sets the color of the hint text for all the states (disabled, focussed, selected...) of this TextView.
`void`	`setHorizontallyScrolling(boolean whether)` Sets whether the text should be allowed to be wider than the View is.
`void`	`setHyphenationFrequency(int hyphenationFrequency)` Sets the hyphenation frequency.
`void`	`setImeActionLabel(CharSequence label, int actionId)` Change the custom IME action associated with the text view, which will be reported to an IME with `actionLabel` and `actionId` when it has focus.
`void`	`setImeHintLocales(LocaleList hintLocales)` Change "hint" locales associated with the text view, which will be reported to an IME with `hintLocales` when it has focus.
`void`	`setImeOptions(int imeOptions)` Change the editor type integer associated with the text view, which will be reported to an IME with `imeOptions` when it has focus.
`void`	`setIncludeFontPadding(boolean includepad)` Set whether the TextView includes extra top and bottom padding to make room for accents that go above the normal ascent and descent.
`void`	`setInputExtras(int xmlResId)` Set the extra input data of the text, which is the `TextBoxAttribute.extras` Bundle that will be filled in when creating an input connection.
`void`	`setInputType(int type)` Set the type of the content with a constant as defined for `inputType`.
`void`	`setKeyListener(KeyListener input)` Sets the key listener to be used with this TextView.
`void`	`setLetterSpacing(float letterSpacing)` Sets text letter-spacing.
`void`	`setLineSpacing(float add, float mult)` Sets line spacing for this TextView.
`void`	`setLines(int lines)` Makes the TextView exactly this many lines tall.
`final void`	`setLinkTextColor(ColorStateList colors)` Sets the color of links in the text.
`final void`	`setLinkTextColor(int color)` Sets the color of links in the text.
`final void`	`setLinksClickable(boolean whether)` Sets whether the movement method will automatically be set to `LinkMovementMethod` if `setAutoLinkMask(int)` has been set to nonzero and links are detected in `setText(char[], int, int)`.
`void`	`setMarqueeRepeatLimit(int marqueeLimit)` Sets how many times to repeat the marquee animation.
`void`	`setMaxEms(int maxems)` Makes the TextView at most this many ems wide
`void`	`setMaxHeight(int maxHeight)` Makes the TextView at most this many pixels tall.
`void`	`setMaxLines(int maxlines)` Makes the TextView at most this many lines tall.
`void`	`setMaxWidth(int maxpixels)` Makes the TextView at most this many pixels wide
`void`	`setMinEms(int minems)` Makes the TextView at least this many ems wide
`void`	`setMinHeight(int minHeight)` Makes the TextView at least this many pixels tall.
`void`	`setMinLines(int minlines)` Makes the TextView at least this many lines tall.
`void`	`setMinWidth(int minpixels)` Makes the TextView at least this many pixels wide
`final void`	`setMovementMethod(MovementMethod movement)` Sets the movement method (arrow key handler) to be used for this TextView.
`void`	`setOnEditorActionListener(TextView.OnEditorActionListener l)` Set a special listener to be called when an action is performed on the text view.
`void`	`setPadding(int left, int top, int right, int bottom)` Sets the padding.
`void`	`setPaddingRelative(int start, int top, int end, int bottom)` Sets the relative padding.
`void`	`setPaintFlags(int flags)` Sets flags on the Paint being used to display the text and reflows the text if they are different from the old flags.
`void`	`setPrivateImeOptions(String type)` Set the private content type of the text, which is the `EditorInfo.privateImeOptions` field that will be filled in when creating an input connection.
`void`	`setRawInputType(int type)` Directly change the content type integer of the text view, without modifying any other state.
`void`	`setScroller(Scroller s)`
`void`	`setSelectAllOnFocus(boolean selectAllOnFocus)` Set the TextView so that when it takes focus, all the text is selected.
`void`	`setSelected(boolean selected)` Changes the selection state of this view.
`void`	`setShadowLayer(float radius, float dx, float dy, int color)` Gives the text a shadow of the specified blur radius and color, the specified distance from its drawn position.
`final void`	`setShowSoftInputOnFocus(boolean show)` Sets whether the soft input method will be made visible when this TextView gets focused.
`void`	`setSingleLine(boolean singleLine)` If true, sets the properties of this field (number of lines, horizontally scrolling, transformation method) to be for a single-line input; if false, restores these to the default conditions.
`void`	`setSingleLine()` Sets the properties of this field (lines, horizontally scrolling, transformation method) to be for a single-line input.
`final void`	`setSpannableFactory(Spannable.Factory factory)` Sets the Factory used to create new Spannables.
`final void`	`setText(int resid)`
`final void`	`setText(CharSequence text)` Sets the string value of the TextView.
`void`	`setText(CharSequence text, TextView.BufferType type)` Sets the text that this TextView is to display (see `setText(CharSequence)`) and also sets whether it is stored in a styleable/spannable buffer and whether it is editable.
`final void`	`setText(int resid, TextView.BufferType type)`
`final void`	`setText(char[] text, int start, int len)` Sets the TextView to display the specified slice of the specified char array.
`void`	`setTextAppearance(Context context, int resId)` This method was deprecated in API level 23. Use `setTextAppearance(int)` instead.
`void`	`setTextAppearance(int resId)` Sets the text appearance from the specified style resource.
`void`	`setTextColor(int color)` Sets the text color for all the states (normal, selected, focused) to be this color.
`void`	`setTextColor(ColorStateList colors)` Sets the text color.
`void`	`setTextIsSelectable(boolean selectable)` Sets whether the content of this view is selectable by the user.
`final void`	`setTextKeepState(CharSequence text)` Like `setText(CharSequence)`, except that the cursor position (if any) is retained in the new text.
`final void`	`setTextKeepState(CharSequence text, TextView.BufferType type)` Like `setText(CharSequence, android.widget.TextView.BufferType)`, except that the cursor position (if any) is retained in the new text.
`void`	`setTextLocale(Locale locale)` Set the default `LocaleList` of the text in this TextView to a one-member list containing just the given value.
`void`	`setTextLocales(LocaleList locales)` Set the default `LocaleList` of the text in this TextView to the given value.
`void`	`setTextScaleX(float size)` Sets the extent by which text should be stretched horizontally.
`void`	`setTextSize(int unit, float size)` Set the default text size to a given unit and value.
`void`	`setTextSize(float size)` Set the default text size to the given value, interpreted as "scaled pixel" units.
`final void`	`setTransformationMethod(TransformationMethod method)` Sets the transformation that is applied to the text that this TextView is displaying.
`void`	`setTypeface(Typeface tf)` Sets the typeface and style in which the text should be displayed.
`void`	`setTypeface(Typeface tf, int style)` Sets the typeface and style in which the text should be displayed, and turns on the fake bold and italic bits in the Paint if the Typeface that you provided does not have all the bits in the style that you specified.
`void`	`setWidth(int pixels)` Makes the TextView exactly this many pixels wide.
`boolean`	`showContextMenu()` Shows the context menu for this view.
`boolean`	`showContextMenu(float x, float y)` Shows the context menu for this view anchored to the specified view-relative coordinate.
`boolean`	`verifyDrawable(Drawable who)` If your view subclass is displaying its own Drawable objects, it should override this function and return true for any Drawable it is displaying.

From class


  
    android.view.View

`void`	`addChildrenForAccessibility(ArrayList<View> outChildren)` Adds the children of this View relevant for accessibility to the given list as output.
`void`	`addFocusables(ArrayList<View> views, int direction)` Add any focusable views that are descendants of this view (possibly including this view if it is focusable itself) to views.
`void`	`addFocusables(ArrayList<View> views, int direction, int focusableMode)` Adds any focusable views that are descendants of this view (possibly including this view if it is focusable itself) to views.
`void`	`addOnAttachStateChangeListener(View.OnAttachStateChangeListener listener)` Add a listener for attach state changes.
`void`	`addOnLayoutChangeListener(View.OnLayoutChangeListener listener)` Add a listener that will be called when the bounds of the view change due to layout processing.
`void`	`addTouchables(ArrayList<View> views)` Add any touchable views that are descendants of this view (possibly including this view if it is touchable itself) to views.
`ViewPropertyAnimator`	`animate()` This method returns a ViewPropertyAnimator object, which can be used to animate specific properties on this View.
`void`	`announceForAccessibility(CharSequence text)` Convenience method for sending a `TYPE_ANNOUNCEMENT` `AccessibilityEvent` to make an announcement which is related to some sort of a context change for which none of the events representing UI transitions is a good fit.
`boolean`	`awakenScrollBars(int startDelay, boolean invalidate)` Trigger the scrollbars to draw.
`boolean`	`awakenScrollBars(int startDelay)` Trigger the scrollbars to draw.
`boolean`	`awakenScrollBars()` Trigger the scrollbars to draw.
`void`	`bringToFront()` Change the view's z order in the tree, so it's on top of other sibling views.
`void`	`buildDrawingCache(boolean autoScale)` Forces the drawing cache to be built if the drawing cache is invalid.
`void`	`buildDrawingCache()` Calling this method is equivalent to calling `buildDrawingCache(false)`.
`void`	`buildLayer()` Forces this view's layer to be created and this view to be rendered into its layer.
`boolean`	`callOnClick()` Directly call any attached OnClickListener.
`boolean`	`canResolveLayoutDirection()` Check if layout direction resolution can be done.
`boolean`	`canResolveTextAlignment()` Check if text alignment resolution can be done.
`boolean`	`canResolveTextDirection()` Check if text direction resolution can be done.
`boolean`	`canScrollHorizontally(int direction)` Check if this view can be scrolled horizontally in a certain direction.
`boolean`	`canScrollVertically(int direction)` Check if this view can be scrolled vertically in a certain direction.
`final void`	`cancelDragAndDrop()` Cancels an ongoing drag and drop operation.
`void`	`cancelLongPress()` Cancels a pending long press.
`final void`	`cancelPendingInputEvents()` Cancel any deferred high-level input events that were previously posted to the event queue.
`boolean`	`checkInputConnectionProxy(View view)` Called by the `InputMethodManager` when a view who is not the current input connection target is trying to make a call on the manager.
`void`	`clearAnimation()` Cancels any animations for this view.
`void`	`clearFocus()` Called when this view wants to give up focus.
`static int`	`combineMeasuredStates(int curState, int newState)` Merge two states as returned by `getMeasuredState()`.
`int`	`computeHorizontalScrollExtent()` Compute the horizontal extent of the horizontal scrollbar's thumb within the horizontal range.
`int`	`computeHorizontalScrollOffset()` Compute the horizontal offset of the horizontal scrollbar's thumb within the horizontal range.
`int`	`computeHorizontalScrollRange()` Compute the horizontal range that the horizontal scrollbar represents.
`void`	`computeScroll()` Called by a parent to request that a child update its values for mScrollX and mScrollY if necessary.
`WindowInsets`	`computeSystemWindowInsets(WindowInsets in, Rect outLocalInsets)` Compute insets that should be consumed by this view and the ones that should propagate to those under it.
`int`	`computeVerticalScrollExtent()` Compute the vertical extent of the vertical scrollbar's thumb within the vertical range.
`int`	`computeVerticalScrollOffset()` Compute the vertical offset of the vertical scrollbar's thumb within the horizontal range.
`int`	`computeVerticalScrollRange()` Compute the vertical range that the vertical scrollbar represents.
`AccessibilityNodeInfo`	`createAccessibilityNodeInfo()` Returns an `AccessibilityNodeInfo` representing this view from the point of view of an `AccessibilityService`.
`void`	`createContextMenu(ContextMenu menu)` Show the context menu for this view.
`void`	`destroyDrawingCache()` Frees the resources used by the drawing cache.
`WindowInsets`	`dispatchApplyWindowInsets(WindowInsets insets)` Request to apply the given window insets to this view or another view in its subtree.
`void`	`dispatchConfigurationChanged(Configuration newConfig)` Dispatch a notification about a resource configuration change down the view hierarchy.
`void`	`dispatchDisplayHint(int hint)` Dispatch a hint about whether this view is displayed.
`boolean`	`dispatchDragEvent(DragEvent event)` Detects if this View is enabled and has a drag event listener.
`void`	`dispatchDraw(Canvas canvas)` Called by draw to draw the child views.
`void`	`dispatchDrawableHotspotChanged(float x, float y)` Dispatches drawableHotspotChanged to all of this View's children.
`void`	`dispatchFinishTemporaryDetach()` Dispatch `onFinishTemporaryDetach()` to this View and its direct children if this is a container View.
`boolean`	`dispatchGenericFocusedEvent(MotionEvent event)` Dispatch a generic motion event to the currently focused view.
`boolean`	`dispatchGenericMotionEvent(MotionEvent event)` Dispatch a generic motion event.
`boolean`	`dispatchGenericPointerEvent(MotionEvent event)` Dispatch a generic motion event to the view under the first pointer.
`boolean`	`dispatchHoverEvent(MotionEvent event)` Dispatch a hover event.
`boolean`	`dispatchKeyEvent(KeyEvent event)` Dispatch a key event to the next view on the focus path.
`boolean`	`dispatchKeyEventPreIme(KeyEvent event)` Dispatch a key event before it is processed by any input method associated with the view hierarchy.
`boolean`	`dispatchKeyShortcutEvent(KeyEvent event)` Dispatches a key shortcut event.
`boolean`	`dispatchNestedFling(float velocityX, float velocityY, boolean consumed)` Dispatch a fling to a nested scrolling parent.
`boolean`	`dispatchNestedPreFling(float velocityX, float velocityY)` Dispatch a fling to a nested scrolling parent before it is processed by this view.
`boolean`	`dispatchNestedPrePerformAccessibilityAction(int action, Bundle arguments)` Report an accessibility action to this view's parents for delegated processing.
`boolean`	`dispatchNestedPreScroll(int dx, int dy, int[] consumed, int[] offsetInWindow)` Dispatch one step of a nested scroll in progress before this view consumes any portion of it.
`boolean`	`dispatchNestedScroll(int dxConsumed, int dyConsumed, int dxUnconsumed, int dyUnconsumed, int[] offsetInWindow)` Dispatch one step of a nested scroll in progress.
`boolean`	`dispatchPopulateAccessibilityEvent(AccessibilityEvent event)` Dispatches an `AccessibilityEvent` to the `View` first and then to its children for adding their text content to the event.
`void`	`dispatchProvideStructure(ViewStructure structure)` Dispatch creation of `ViewStructure` down the hierarchy.
`void`	`dispatchRestoreInstanceState(SparseArray<Parcelable> container)` Called by `restoreHierarchyState(android.util.SparseArray)` to retrieve the state for this view and its children.
`void`	`dispatchSaveInstanceState(SparseArray<Parcelable> container)` Called by `saveHierarchyState(android.util.SparseArray)` to store the state for this view and its children.
`void`	`dispatchSetActivated(boolean activated)` Dispatch setActivated to all of this View's children.
`void`	`dispatchSetPressed(boolean pressed)` Dispatch setPressed to all of this View's children.
`void`	`dispatchSetSelected(boolean selected)` Dispatch setSelected to all of this View's children.
`void`	`dispatchStartTemporaryDetach()` Dispatch `onStartTemporaryDetach()` to this View and its direct children if this is a container View.
`void`	`dispatchSystemUiVisibilityChanged(int visibility)` Dispatch callbacks to `setOnSystemUiVisibilityChangeListener(View.OnSystemUiVisibilityChangeListener)` down the view hierarchy.
`boolean`	`dispatchTouchEvent(MotionEvent event)` Pass the touch screen motion event down to the target view, or this view if it is the target.
`boolean`	`dispatchTrackballEvent(MotionEvent event)` Pass a trackball motion event down to the focused view.
`boolean`	`dispatchUnhandledMove(View focused, int direction)` This method is the last chance for the focused view and its ancestors to respond to an arrow key.
`void`	`dispatchVisibilityChanged(View changedView, int visibility)` Dispatch a view visibility change down the view hierarchy.
`void`	`dispatchWindowFocusChanged(boolean hasFocus)` Called when the window containing this view gains or loses window focus.
`void`	`dispatchWindowSystemUiVisiblityChanged(int visible)` Dispatch callbacks to `onWindowSystemUiVisibilityChanged(int)` down the view hierarchy.
`void`	`dispatchWindowVisibilityChanged(int visibility)` Dispatch a window visibility change down the view hierarchy.
`void`	`draw(Canvas canvas)` Manually render this view (and all of its children) to the given Canvas.
`void`	`drawableHotspotChanged(float x, float y)` This function is called whenever the view hotspot changes and needs to be propagated to drawables or child views managed by the view.
`void`	`drawableStateChanged()` This function is called whenever the state of the view changes in such a way that it impacts the state of drawables being shown.
`View`	`findFocus()` Find the view in the hierarchy rooted at this view that currently has focus.
`final View`	`findViewById(int id)` Look for a child view with the given id.
`final View`	`findViewWithTag(Object tag)` Look for a child view with the given tag.
`void`	`findViewsWithText(ArrayList<View> outViews, CharSequence searched, int flags)` Finds the Views that contain given text.
`boolean`	`fitSystemWindows(Rect insets)` This method was deprecated in API level 20. As of API 20 use `dispatchApplyWindowInsets(WindowInsets)` to apply insets to views. Views should override `onApplyWindowInsets(WindowInsets)` or use `setOnApplyWindowInsetsListener(android.view.View.OnApplyWindowInsetsListener)` to implement handling their own insets.
`View`	`focusSearch(int direction)` Find the nearest view in the specified direction that can take focus.
`void`	`forceHasOverlappingRendering(boolean hasOverlappingRendering)` Sets the behavior for overlapping rendering for this view (see `hasOverlappingRendering()` for more details on this behavior).
`void`	`forceLayout()` Forces this view to be laid out during the next layout pass.
`static int`	`generateViewId()` Generate a value suitable for use in `setId(int)`.
`CharSequence`	`getAccessibilityClassName()` Return the class name of this object to be used for accessibility purposes.
`int`	`getAccessibilityLiveRegion()` Gets the live region mode for this View.
`AccessibilityNodeProvider`	`getAccessibilityNodeProvider()` Gets the provider for managing a virtual view hierarchy rooted at this View and reported to `AccessibilityService`s that explore the window content.
`int`	`getAccessibilityTraversalAfter()` Gets the id of a view after which this one is visited in accessibility traversal.
`int`	`getAccessibilityTraversalBefore()` Gets the id of a view before which this one is visited in accessibility traversal.
`float`	`getAlpha()` The opacity of the view.
`Animation`	`getAnimation()` Get the animation currently associated with this view.
`IBinder`	`getApplicationWindowToken()` Retrieve a unique token identifying the top-level "real" window of the window that this view is attached to.
`Drawable`	`getBackground()` Gets the background drawable
`ColorStateList`	`getBackgroundTintList()` Return the tint applied to the background drawable, if specified.
`PorterDuff.Mode`	`getBackgroundTintMode()` Return the blending mode used to apply the tint to the background drawable, if specified.
`int`	`getBaseline()` Return the offset of the widget's text baseline from the widget's top boundary.
`final int`	`getBottom()` Bottom position of this view relative to its parent.
`float`	`getBottomFadingEdgeStrength()` Returns the strength, or intensity, of the bottom faded edge.
`int`	`getBottomPaddingOffset()` Amount by which to extend the bottom fading region.
`float`	`getCameraDistance()` Gets the distance along the Z axis from the camera to this view.
`boolean`	`getClipBounds(Rect outRect)` Populates an output rectangle with the clip bounds of the view, returning `true` if successful or `false` if the view's clip bounds are `null`.
`Rect`	`getClipBounds()` Returns a copy of the current `clipBounds`.
`final boolean`	`getClipToOutline()` Returns whether the Outline should be used to clip the contents of the View.
`CharSequence`	`getContentDescription()` Returns the `View`'s content description.
`final Context`	`getContext()` Returns the context the view is running in, through which it can access the current theme, resources, etc.
`ContextMenu.ContextMenuInfo`	`getContextMenuInfo()` Views should implement this if they have extra information to associate with the context menu.
`static int`	`getDefaultSize(int size, int measureSpec)` Utility to return a default size.
`Display`	`getDisplay()` Gets the logical display to which the view's window has been attached.
`final int[]`	`getDrawableState()` Return an array of resource IDs of the drawable states representing the current state of the view.
`Bitmap`	`getDrawingCache()` Calling this method is equivalent to calling `getDrawingCache(false)`.
`Bitmap`	`getDrawingCache(boolean autoScale)` Returns the bitmap in which this view drawing is cached.
`int`	`getDrawingCacheBackgroundColor()`
`int`	`getDrawingCacheQuality()` Returns the quality of the drawing cache.
`void`	`getDrawingRect(Rect outRect)` Return the visible drawing bounds of your view.
`long`	`getDrawingTime()` Return the time at which the drawing of the view hierarchy started.
`float`	`getElevation()` The base elevation of this view relative to its parent, in pixels.
`boolean`	`getFilterTouchesWhenObscured()` Gets whether the framework should discard touches when the view's window is obscured by another visible window.
`boolean`	`getFitsSystemWindows()` Check for state of `setFitsSystemWindows(boolean)`.
`ArrayList<View>`	`getFocusables(int direction)` Find and return all focusable views that are descendants of this view, possibly including this view if it is focusable itself.
`void`	`getFocusedRect(Rect r)` When a view has focus and the user navigates away from it, the next view is searched for starting from the rectangle filled in by this method.
`Drawable`	`getForeground()` Returns the drawable used as the foreground of this View.
`int`	`getForegroundGravity()` Describes how the foreground is positioned.
`ColorStateList`	`getForegroundTintList()` Return the tint applied to the foreground drawable, if specified.
`PorterDuff.Mode`	`getForegroundTintMode()` Return the blending mode used to apply the tint to the foreground drawable, if specified.
`final boolean`	`getGlobalVisibleRect(Rect r)`
`boolean`	`getGlobalVisibleRect(Rect r, Point globalOffset)` If some part of this view is not clipped by any of its parents, then return that area in r in global (root) coordinates.
`Handler`	`getHandler()`
`final boolean`	`getHasOverlappingRendering()` Returns the value for overlapping rendering that is used internally.
`final int`	`getHeight()` Return the height of your view.
`void`	`getHitRect(Rect outRect)` Hit rectangle in parent's coordinates
`int`	`getHorizontalFadingEdgeLength()` Returns the size of the horizontal faded edges used to indicate that more content in this view is visible.
`int`	`getHorizontalScrollbarHeight()` Returns the height of the horizontal scrollbar.
`int`	`getId()` Returns this view's identifier.
`int`	`getImportantForAccessibility()` Gets the mode for determining whether this View is important for accessibility which is if it fires accessibility events and if it is reported to accessibility services that query the screen.
`boolean`	`getKeepScreenOn()` Returns whether the screen should remain on, corresponding to the current value of `KEEP_SCREEN_ON`.
`KeyEvent.DispatcherState`	`getKeyDispatcherState()` Return the global `KeyEvent.DispatcherState` for this view's window.
`int`	`getLabelFor()` Gets the id of a view for which this view serves as a label for accessibility purposes.
`int`	`getLayerType()` Indicates what type of layer is currently associated with this view.
`int`	`getLayoutDirection()` Returns the resolved layout direction for this view.
`ViewGroup.LayoutParams`	`getLayoutParams()` Get the LayoutParams associated with this view.
`final int`	`getLeft()` Left position of this view relative to its parent.
`float`	`getLeftFadingEdgeStrength()` Returns the strength, or intensity, of the left faded edge.
`int`	`getLeftPaddingOffset()` Amount by which to extend the left fading region.
`final boolean`	`getLocalVisibleRect(Rect r)`
`void`	`getLocationInWindow(int[] outLocation)` Computes the coordinates of this view in its window.
`void`	`getLocationOnScreen(int[] outLocation)` Computes the coordinates of this view on the screen.
`Matrix`	`getMatrix()` The transform matrix of this view, which is calculated based on the current rotation, scale, and pivot properties.
`final int`	`getMeasuredHeight()` Like `getMeasuredHeightAndState()`, but only returns the raw width component (that is the result is masked by `MEASURED_SIZE_MASK`).
`final int`	`getMeasuredHeightAndState()` Return the full height measurement information for this view as computed by the most recent call to `measure(int, int)`.
`final int`	`getMeasuredState()` Return only the state bits of `getMeasuredWidthAndState()` and `getMeasuredHeightAndState()`, combined into one integer.
`final int`	`getMeasuredWidth()` Like `getMeasuredWidthAndState()`, but only returns the raw width component (that is the result is masked by `MEASURED_SIZE_MASK`).
`final int`	`getMeasuredWidthAndState()` Return the full width measurement information for this view as computed by the most recent call to `measure(int, int)`.
`int`	`getMinimumHeight()` Returns the minimum height of the view.
`int`	`getMinimumWidth()` Returns the minimum width of the view.
`int`	`getNextFocusDownId()` Gets the id of the view to use when the next focus is `FOCUS_DOWN`.
`int`	`getNextFocusForwardId()` Gets the id of the view to use when the next focus is `FOCUS_FORWARD`.
`int`	`getNextFocusLeftId()` Gets the id of the view to use when the next focus is `FOCUS_LEFT`.
`int`	`getNextFocusRightId()` Gets the id of the view to use when the next focus is `FOCUS_RIGHT`.
`int`	`getNextFocusUpId()` Gets the id of the view to use when the next focus is `FOCUS_UP`.
`View.OnFocusChangeListener`	`getOnFocusChangeListener()` Returns the focus-change callback registered for this view.
`ViewOutlineProvider`	`getOutlineProvider()` Returns the current `ViewOutlineProvider` of the view, which generates the Outline that defines the shape of the shadow it casts, and enables outline clipping.
`int`	`getOverScrollMode()` Returns the over-scroll mode for this view.
`ViewOverlay`	`getOverlay()` Returns the overlay for this view, creating it if it does not yet exist.
`int`	`getPaddingBottom()` Returns the bottom padding of this view.
`int`	`getPaddingEnd()` Returns the end padding of this view depending on its resolved layout direction.
`int`	`getPaddingLeft()` Returns the left padding of this view.
`int`	`getPaddingRight()` Returns the right padding of this view.
`int`	`getPaddingStart()` Returns the start padding of this view depending on its resolved layout direction.
`int`	`getPaddingTop()` Returns the top padding of this view.
`final ViewParent`	`getParent()` Gets the parent of this view.
`ViewParent`	`getParentForAccessibility()` Gets the parent for accessibility purposes.
`float`	`getPivotX()` The x location of the point around which the view is `rotated` and `scaled`.
`float`	`getPivotY()` The y location of the point around which the view is `rotated` and `scaled`.
`PointerIcon`	`getPointerIcon()` Gets the pointer icon for the current view.
`Resources`	`getResources()` Returns the resources associated with this view.
`final int`	`getRight()` Right position of this view relative to its parent.
`float`	`getRightFadingEdgeStrength()` Returns the strength, or intensity, of the right faded edge.
`int`	`getRightPaddingOffset()` Amount by which to extend the right fading region.
`View`	`getRootView()` Finds the topmost view in the current view hierarchy.
`WindowInsets`	`getRootWindowInsets()` Provide original WindowInsets that are dispatched to the view hierarchy.
`float`	`getRotation()` The degrees that the view is rotated around the pivot point.
`float`	`getRotationX()` The degrees that the view is rotated around the horizontal axis through the pivot point.
`float`	`getRotationY()` The degrees that the view is rotated around the vertical axis through the pivot point.
`float`	`getScaleX()` The amount that the view is scaled in x around the pivot point, as a proportion of the view's unscaled width.
`float`	`getScaleY()` The amount that the view is scaled in y around the pivot point, as a proportion of the view's unscaled height.
`int`	`getScrollBarDefaultDelayBeforeFade()` Returns the delay before scrollbars fade.
`int`	`getScrollBarFadeDuration()` Returns the scrollbar fade duration.
`int`	`getScrollBarSize()` Returns the scrollbar size.
`int`	`getScrollBarStyle()` Returns the current scrollbar style.
`int`	`getScrollIndicators()` Returns a bitmask representing the enabled scroll indicators.
`final int`	`getScrollX()` Return the scrolled left position of this view.
`final int`	`getScrollY()` Return the scrolled top position of this view.
`int`	`getSolidColor()` Override this if your view is known to always be drawn on top of a solid color background, and needs to draw fading edges.
`StateListAnimator`	`getStateListAnimator()` Returns the current StateListAnimator if exists.
`int`	`getSuggestedMinimumHeight()` Returns the suggested minimum height that the view should use.
`int`	`getSuggestedMinimumWidth()` Returns the suggested minimum width that the view should use.
`int`	`getSystemUiVisibility()` Returns the last `setSystemUiVisibility(int)` that this view has requested.
`Object`	`getTag()` Returns this view's tag.
`Object`	`getTag(int key)` Returns the tag associated with this view and the specified key.
`int`	`getTextAlignment()` Return the resolved text alignment.
`int`	`getTextDirection()` Return the resolved text direction.
`final int`	`getTop()` Top position of this view relative to its parent.
`float`	`getTopFadingEdgeStrength()` Returns the strength, or intensity, of the top faded edge.
`int`	`getTopPaddingOffset()` Amount by which to extend the top fading region.
`TouchDelegate`	`getTouchDelegate()` Gets the TouchDelegate for this View.
`ArrayList<View>`	`getTouchables()` Find and return all touchable views that are descendants of this view, possibly including this view if it is touchable itself.
`String`	`getTransitionName()` Returns the name of the View to be used to identify Views in Transitions.
`float`	`getTranslationX()` The horizontal location of this view relative to its `left` position.
`float`	`getTranslationY()` The vertical location of this view relative to its `top` position.
`float`	`getTranslationZ()` The depth location of this view relative to its `elevation`.
`int`	`getVerticalFadingEdgeLength()` Returns the size of the vertical faded edges used to indicate that more content in this view is visible.
`int`	`getVerticalScrollbarPosition()`
`int`	`getVerticalScrollbarWidth()` Returns the width of the vertical scrollbar.
`ViewTreeObserver`	`getViewTreeObserver()` Returns the ViewTreeObserver for this view's hierarchy.
`int`	`getVisibility()` Returns the visibility status for this view.
`final int`	`getWidth()` Return the width of the your view.
`int`	`getWindowAttachCount()`
`WindowId`	`getWindowId()` Retrieve the `WindowId` for the window this view is currently attached to.
`int`	`getWindowSystemUiVisibility()` Returns the current system UI visibility that is currently set for the entire window.
`IBinder`	`getWindowToken()` Retrieve a unique token identifying the window this view is attached to.
`int`	`getWindowVisibility()` Returns the current visibility of the window this view is attached to (either `GONE`, `INVISIBLE`, or `VISIBLE`).
`void`	`getWindowVisibleDisplayFrame(Rect outRect)` Retrieve the overall visible display size in which the window this view is attached to has been positioned in.
`float`	`getX()` The visual x position of this view, in pixels.
`float`	`getY()` The visual y position of this view, in pixels.
`float`	`getZ()` The visual z position of this view, in pixels.
`boolean`	`hasFocus()` Returns true if this view has focus itself, or is the ancestor of the view that has focus.
`boolean`	`hasFocusable()` Returns true if this view is focusable or if it contains a reachable View for which `hasFocusable()` returns true.
`boolean`	`hasNestedScrollingParent()` Returns true if this view has a nested scrolling parent.
`boolean`	`hasOnClickListeners()` Return whether this view has an attached OnClickListener.
`boolean`	`hasOverlappingRendering()` Returns whether this View has content which overlaps.
`boolean`	`hasTransientState()` Indicates whether the view is currently tracking transient state that the app should not need to concern itself with saving and restoring, but that the framework should take special note to preserve when possible.
`boolean`	`hasWindowFocus()` Returns true if this view is in a window that currently has window focus.
`static View`	`inflate(Context context, int resource, ViewGroup root)` Inflate a view from an XML resource.
`void`	`invalidate()` Invalidate the whole view.
`void`	`invalidate(Rect dirty)` Mark the area defined by dirty as needing to be drawn.
`void`	`invalidate(int l, int t, int r, int b)` Mark the area defined by the rect (l,t,r,b) as needing to be drawn.
`void`	`invalidateDrawable(Drawable drawable)` Invalidates the specified Drawable.
`void`	`invalidateOutline()` Called to rebuild this View's Outline from its `outline provider`
`boolean`	`isAccessibilityFocused()` Returns whether this View is accessibility focused.
`boolean`	`isActivated()` Indicates the activation state of this view.
`boolean`	`isAttachedToWindow()` Returns true if this view is currently attached to a window.
`boolean`	`isClickable()` Indicates whether this view reacts to click events or not.
`boolean`	`isContextClickable()` Indicates whether this view reacts to context clicks or not.
`boolean`	`isDirty()` True if this view has changed since the last time being drawn.
`boolean`	`isDrawingCacheEnabled()` Indicates whether the drawing cache is enabled for this view.
`boolean`	`isDuplicateParentStateEnabled()` Indicates whether this duplicates its drawable state from its parent.
`boolean`	`isEnabled()` Returns the enabled status for this view.
`final boolean`	`isFocusable()` Returns whether this View is able to take focus.
`final boolean`	`isFocusableInTouchMode()` When a view is focusable, it may not want to take focus when in touch mode.
`boolean`	`isFocused()` Returns true if this view has focus
`boolean`	`isHapticFeedbackEnabled()`
`boolean`	`isHardwareAccelerated()` Indicates whether this view is attached to a hardware accelerated window or not.
`boolean`	`isHorizontalFadingEdgeEnabled()` Indicate whether the horizontal edges are faded when the view is scrolled horizontally.
`boolean`	`isHorizontalScrollBarEnabled()` Indicate whether the horizontal scrollbar should be drawn or not.
`boolean`	`isHovered()` Returns true if the view is currently hovered.
`boolean`	`isImportantForAccessibility()` Computes whether this view should be exposed for accessibility.
`boolean`	`isInEditMode()` Indicates whether this View is currently in edit mode.
`boolean`	`isInLayout()` Returns whether the view hierarchy is currently undergoing a layout pass.
`boolean`	`isInTouchMode()` Returns whether the device is currently in touch mode.
`boolean`	`isLaidOut()` Returns true if this view has been through at least one layout since it was last attached to or detached from a window.
`boolean`	`isLayoutDirectionResolved()`
`boolean`	`isLayoutRequested()` Indicates whether or not this view's layout will be requested during the next hierarchy layout pass.
`boolean`	`isLongClickable()` Indicates whether this view reacts to long click events or not.
`boolean`	`isNestedScrollingEnabled()` Returns true if nested scrolling is enabled for this view.
`boolean`	`isOpaque()` Indicates whether this View is opaque.
`boolean`	`isPaddingOffsetRequired()` If the View draws content inside its padding and enables fading edges, it needs to support padding offsets.
`boolean`	`isPaddingRelative()` Return if the padding has been set through relative values `setPaddingRelative(int, int, int, int)` or through
`boolean`	`isPressed()` Indicates whether the view is currently in pressed state.
`boolean`	`isSaveEnabled()` Indicates whether this view will save its state (that is, whether its `onSaveInstanceState()` method will be called).
`boolean`	`isSaveFromParentEnabled()` Indicates whether the entire hierarchy under this view will save its state when a state saving traversal occurs from its parent.
`boolean`	`isScrollContainer()` Indicates whether this view is one of the set of scrollable containers in its window.
`boolean`	`isScrollbarFadingEnabled()` Returns true if scrollbars will fade when this view is not scrolling
`boolean`	`isSelected()` Indicates the selection state of this view.
`boolean`	`isShown()` Returns the visibility of this view and all of its ancestors
`boolean`	`isSoundEffectsEnabled()`
`final boolean`	`isTemporarilyDetached()`
`boolean`	`isTextAlignmentResolved()`
`boolean`	`isTextDirectionResolved()`
`boolean`	`isVerticalFadingEdgeEnabled()` Indicate whether the vertical edges are faded when the view is scrolled horizontally.
`boolean`	`isVerticalScrollBarEnabled()` Indicate whether the vertical scrollbar should be drawn or not.
`void`	`jumpDrawablesToCurrentState()` Call `Drawable.jumpToCurrentState()` on all Drawable objects associated with this view.
`void`	`layout(int l, int t, int r, int b)` Assign a size and position to a view and all of its descendants This is the second phase of the layout mechanism.
`final void`	`measure(int widthMeasureSpec, int heightMeasureSpec)` This is called to find out how big a view should be.
`static int[]`	`mergeDrawableStates(int[] baseState, int[] additionalState)` Merge your own state values in `additionalState` into the base state values `baseState` that were returned by `onCreateDrawableState(int)`.
`void`	`offsetLeftAndRight(int offset)` Offset this view's horizontal location by the specified amount of pixels.
`void`	`offsetTopAndBottom(int offset)` Offset this view's vertical location by the specified number of pixels.
`void`	`onAnimationEnd()` Invoked by a parent ViewGroup to notify the end of the animation currently associated with this view.
`void`	`onAnimationStart()` Invoked by a parent ViewGroup to notify the start of the animation currently associated with this view.
`WindowInsets`	`onApplyWindowInsets(WindowInsets insets)` Called when the view should apply `WindowInsets` according to its internal policy.
`void`	`onAttachedToWindow()` This is called when the view is attached to a window.
`void`	`onCancelPendingInputEvents()` Called as the result of a call to `cancelPendingInputEvents()` on this view or a parent view.
`boolean`	`onCheckIsTextEditor()` Check whether the called view is a text editor, in which case it would make sense to automatically display a soft input window for it.
`void`	`onConfigurationChanged(Configuration newConfig)` Called when the current configuration of the resources being used by the application have changed.
`void`	`onCreateContextMenu(ContextMenu menu)` Views should implement this if the view itself is going to add items to the context menu.
`int[]`	`onCreateDrawableState(int extraSpace)` Generate the new `Drawable` state for this view.
`InputConnection`	`onCreateInputConnection(EditorInfo outAttrs)` Create a new InputConnection for an InputMethod to interact with the view.
`void`	`onDetachedFromWindow()` This is called when the view is detached from a window.
`void`	`onDisplayHint(int hint)` Gives this view a hint about whether is displayed or not.
`boolean`	`onDragEvent(DragEvent event)` Handles drag events sent by the system following a call to `startDragAndDrop()`.
`void`	`onDraw(Canvas canvas)` Implement this to do your drawing.
`void`	`onDrawForeground(Canvas canvas)` Draw any foreground content for this view.
`final void`	`onDrawScrollBars(Canvas canvas)` Request the drawing of the horizontal and the vertical scrollbar.
`boolean`	`onFilterTouchEventForSecurity(MotionEvent event)` Filter the touch event to apply security policies.
`void`	`onFinishInflate()` Finalize inflating a view from XML.
`void`	`onFinishTemporaryDetach()` Called after `onStartTemporaryDetach()` when the container is done changing the view.
`void`	`onFocusChanged(boolean gainFocus, int direction, Rect previouslyFocusedRect)` Called by the view system when the focus state of this view changes.
`boolean`	`onGenericMotionEvent(MotionEvent event)` Implement this method to handle generic motion events.
`void`	`onHoverChanged(boolean hovered)` Implement this method to handle hover state changes.
`boolean`	`onHoverEvent(MotionEvent event)` Implement this method to handle hover events.
`void`	`onInitializeAccessibilityEvent(AccessibilityEvent event)` Initializes an `AccessibilityEvent` with information about this View which is the event source.
`void`	`onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info)` Initializes an `AccessibilityNodeInfo` with information about this view.
`boolean`	`onKeyDown(int keyCode, KeyEvent event)` Default implementation of `KeyEvent.Callback.onKeyDown()`: perform press of the view when `KEYCODE_DPAD_CENTER` or `KEYCODE_ENTER` is released, if the view is enabled and clickable.
`boolean`	`onKeyLongPress(int keyCode, KeyEvent event)` Default implementation of `KeyEvent.Callback.onKeyLongPress()`: always returns false (doesn't handle the event).
`boolean`	`onKeyMultiple(int keyCode, int repeatCount, KeyEvent event)` Default implementation of `KeyEvent.Callback.onKeyMultiple()`: always returns false (doesn't handle the event).
`boolean`	`onKeyPreIme(int keyCode, KeyEvent event)` Handle a key event before it is processed by any input method associated with the view hierarchy.
`boolean`	`onKeyShortcut(int keyCode, KeyEvent event)` Called on the focused view when a key shortcut event is not handled.
`boolean`	`onKeyUp(int keyCode, KeyEvent event)` Default implementation of `KeyEvent.Callback.onKeyUp()`: perform clicking of the view when `KEYCODE_DPAD_CENTER`, `KEYCODE_ENTER` or `KEYCODE_SPACE` is released.
`void`	`onLayout(boolean changed, int left, int top, int right, int bottom)` Called from layout when this view should assign a size and position to each of its children.
`void`	`onMeasure(int widthMeasureSpec, int heightMeasureSpec)` Measure the view and its content to determine the measured width and the measured height.
`void`	`onOverScrolled(int scrollX, int scrollY, boolean clampedX, boolean clampedY)` Called by `overScrollBy(int, int, int, int, int, int, int, int, boolean)` to respond to the results of an over-scroll operation.
`void`	`onPopulateAccessibilityEvent(AccessibilityEvent event)` Called from `dispatchPopulateAccessibilityEvent(AccessibilityEvent)` giving a chance to this View to populate the accessibility event with its text content.
`void`	`onProvideStructure(ViewStructure structure)` Called when assist structure is being retrieved from a view as part of `Activity.onProvideAssistData`.
`void`	`onProvideVirtualStructure(ViewStructure structure)` Called when assist structure is being retrieved from a view as part of `Activity.onProvideAssistData` to generate additional virtual structure under this view.
`PointerIcon`	`onResolvePointerIcon(MotionEvent event, int pointerIndex)` Returns the pointer icon for the motion event, or null if it doesn't specify the icon.
`void`	`onRestoreInstanceState(Parcelable state)` Hook allowing a view to re-apply a representation of its internal state that had previously been generated by `onSaveInstanceState()`.
`void`	`onRtlPropertiesChanged(int layoutDirection)` Called when any RTL property (layout direction or text direction or text alignment) has been changed.
`Parcelable`	`onSaveInstanceState()` Hook allowing a view to generate a representation of its internal state that can later be used to create a new instance with that same state.
`void`	`onScreenStateChanged(int screenState)` This method is called whenever the state of the screen this view is attached to changes.
`void`	`onScrollChanged(int l, int t, int oldl, int oldt)` This is called in response to an internal scroll in this view (i.e., the view scrolled its own contents).
`boolean`	`onSetAlpha(int alpha)` Invoked if there is a Transform that involves alpha.
`void`	`onSizeChanged(int w, int h, int oldw, int oldh)` This is called during layout when the size of this view has changed.
`void`	`onStartTemporaryDetach()` This is called when a container is going to temporarily detach a child, with `ViewGroup.detachViewFromParent`.
`boolean`	`onTouchEvent(MotionEvent event)` Implement this method to handle touch screen motion events.
`boolean`	`onTrackballEvent(MotionEvent event)` Implement this method to handle trackball motion events.
`void`	`onVisibilityAggregated(boolean isVisible)` Called when the user-visibility of this View is potentially affected by a change to this view itself, an ancestor view or the window this view is attached to.
`void`	`onVisibilityChanged(View changedView, int visibility)` Called when the visibility of the view or an ancestor of the view has changed.
`void`	`onWindowFocusChanged(boolean hasWindowFocus)` Called when the window containing this view gains or loses focus.
`void`	`onWindowSystemUiVisibilityChanged(int visible)` Override to find out when the window's requested system UI visibility has changed, that is the value returned by `getWindowSystemUiVisibility()`.
`void`	`onWindowVisibilityChanged(int visibility)` Called when the window containing has change its visibility (between `GONE`, `INVISIBLE`, and `VISIBLE`).
`boolean`	`overScrollBy(int deltaX, int deltaY, int scrollX, int scrollY, int scrollRangeX, int scrollRangeY, int maxOverScrollX, int maxOverScrollY, boolean isTouchEvent)` Scroll the view with standard behavior for scrolling beyond the normal content boundaries.
`boolean`	`performAccessibilityAction(int action, Bundle arguments)` Performs the specified accessibility action on the view.
`boolean`	`performClick()` Call this view's OnClickListener, if it is defined.
`boolean`	`performContextClick(float x, float y)` Call this view's OnContextClickListener, if it is defined.
`boolean`	`performContextClick()` Call this view's OnContextClickListener, if it is defined.
`boolean`	`performHapticFeedback(int feedbackConstant)` BZZZTT!!1! Provide haptic feedback to the user for this view.
`boolean`	`performHapticFeedback(int feedbackConstant, int flags)` BZZZTT!!1! Like `performHapticFeedback(int)`, with additional options.
`boolean`	`performLongClick(float x, float y)` Calls this view's OnLongClickListener, if it is defined.
`boolean`	`performLongClick()` Calls this view's OnLongClickListener, if it is defined.
`void`	`playSoundEffect(int soundConstant)` Play a sound effect for this view.
`boolean`	`post(Runnable action)` Causes the Runnable to be added to the message queue.
`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`	`postInvalidate()` Cause an invalidate to happen on a subsequent cycle through the event loop.
`void`	`postInvalidate(int left, int top, int right, int bottom)` Cause an invalidate of the specified area to happen on a subsequent cycle through the event loop.
`void`	`postInvalidateDelayed(long delayMilliseconds, int left, int top, int right, int bottom)` Cause an invalidate of the specified area to happen on a subsequent cycle through the event loop.
`void`	`postInvalidateDelayed(long delayMilliseconds)` Cause an invalidate to happen on a subsequent cycle through the event loop.
`void`	`postInvalidateOnAnimation(int left, int top, int right, int bottom)` Cause an invalidate of the specified area to happen on the next animation time step, typically the next display frame.
`void`	`postInvalidateOnAnimation()` Cause an invalidate to happen on the next animation time step, typically the next display frame.
`void`	`postOnAnimation(Runnable action)` Causes the Runnable to execute on the next animation time step.
`void`	`postOnAnimationDelayed(Runnable action, long delayMillis)` Causes the Runnable to execute on the next animation time step, after the specified amount of time elapses.
`void`	`refreshDrawableState()` Call this to force a view to update its drawable state.
`boolean`	`removeCallbacks(Runnable action)` Removes the specified Runnable from the message queue.
`void`	`removeOnAttachStateChangeListener(View.OnAttachStateChangeListener listener)` Remove a listener for attach state changes.
`void`	`removeOnLayoutChangeListener(View.OnLayoutChangeListener listener)` Remove a listener for layout changes.
`void`	`requestApplyInsets()` Ask that a new dispatch of `onApplyWindowInsets(WindowInsets)` be performed.
`void`	`requestFitSystemWindows()` This method was deprecated in API level 20. Use `requestApplyInsets()` for newer platform versions.
`final boolean`	`requestFocus(int direction)` Call this to try to give focus to a specific view or to one of its descendants and give it a hint about what direction focus is heading.
`final boolean`	`requestFocus()` Call this to try to give focus to a specific view or to one of its descendants.
`boolean`	`requestFocus(int direction, Rect previouslyFocusedRect)` Call this to try to give focus to a specific view or to one of its descendants and give it hints about the direction and a specific rectangle that the focus is coming from.
`final boolean`	`requestFocusFromTouch()` Call this to try to give focus to a specific view or to one of its descendants.
`void`	`requestLayout()` Call this when something has changed which has invalidated the layout of this view.
`boolean`	`requestRectangleOnScreen(Rect rectangle)` Request that a rectangle of this view be visible on the screen, scrolling if necessary just enough.
`boolean`	`requestRectangleOnScreen(Rect rectangle, boolean immediate)` Request that a rectangle of this view be visible on the screen, scrolling if necessary just enough.
`final void`	`requestUnbufferedDispatch(MotionEvent event)` Request unbuffered dispatch of the given stream of MotionEvents to this View.
`static int`	`resolveSize(int size, int measureSpec)` Version of `resolveSizeAndState(int, int, int)` returning only the `MEASURED_SIZE_MASK` bits of the result.
`static int`	`resolveSizeAndState(int size, int measureSpec, int childMeasuredState)` Utility to reconcile a desired size and state, with constraints imposed by a MeasureSpec.
`void`	`restoreHierarchyState(SparseArray<Parcelable> container)` Restore this view hierarchy's frozen state from the given container.
`void`	`saveHierarchyState(SparseArray<Parcelable> container)` Store this view hierarchy's frozen state into the given container.
`void`	`scheduleDrawable(Drawable who, Runnable what, long when)` Schedules an action on a drawable to occur at a specified time.
`void`	`scrollBy(int x, int y)` Move the scrolled position of your view.
`void`	`scrollTo(int x, int y)` Set the scrolled position of your view.
`void`	`sendAccessibilityEvent(int eventType)` Sends an accessibility event of the given type.
`void`	`sendAccessibilityEventUnchecked(AccessibilityEvent event)` This method behaves exactly as `sendAccessibilityEvent(int)` but takes as an argument an empty `AccessibilityEvent` and does not perform a check whether accessibility is enabled.
`void`	`setAccessibilityDelegate(View.AccessibilityDelegate delegate)` Sets a delegate for implementing accessibility support via composition (as opposed to inheritance).
`void`	`setAccessibilityLiveRegion(int mode)` Sets the live region mode for this view.
`void`	`setAccessibilityTraversalAfter(int afterId)` Sets the id of a view after which this one is visited in accessibility traversal.
`void`	`setAccessibilityTraversalBefore(int beforeId)` Sets the id of a view before which this one is visited in accessibility traversal.
`void`	`setActivated(boolean activated)` Changes the activated state of this view.
`void`	`setAlpha(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`	`setAnimation(Animation animation)` Sets the next animation to play for this view.
`void`	`setBackground(Drawable background)` Set the background to a given Drawable, or remove the background.
`void`	`setBackgroundColor(int color)` Sets the background color for this view.
`void`	`setBackgroundDrawable(Drawable background)` This method was deprecated in API level 16. use `setBackground(Drawable)` instead
`void`	`setBackgroundResource(int resid)` Set the background to a given resource.
`void`	`setBackgroundTintList(ColorStateList tint)` Applies a tint to the background drawable.
`void`	`setBackgroundTintMode(PorterDuff.Mode tintMode)` Specifies the blending mode used to apply the tint specified by `setBackgroundTintList(ColorStateList)`} to the background drawable.
`final void`	`setBottom(int bottom)` Sets the bottom position of this view relative to its parent.
`void`	`setCameraDistance(float distance)` Sets the distance along the Z axis (orthogonal to the X/Y plane on which views are drawn) from the camera to this view.
`void`	`setClickable(boolean clickable)` Enables or disables click events for this view.
`void`	`setClipBounds(Rect clipBounds)` Sets a rectangular area on this view to which the view will be clipped when it is drawn.
`void`	`setClipToOutline(boolean clipToOutline)` Sets whether the View's Outline should be used to clip the contents of the View.
`void`	`setContentDescription(CharSequence contentDescription)` Sets the `View`'s content description.
`void`	`setContextClickable(boolean contextClickable)` Enables or disables context clicking for this view.
`void`	`setDrawingCacheBackgroundColor(int color)` Setting a solid background color for the drawing cache's bitmaps will improve performance and memory usage.
`void`	`setDrawingCacheEnabled(boolean enabled)` Enables or disables the drawing cache.
`void`	`setDrawingCacheQuality(int quality)` Set the drawing cache quality of this view.
`void`	`setDuplicateParentStateEnabled(boolean enabled)` Enables or disables the duplication of the parent's state into this view.
`void`	`setElevation(float elevation)` Sets the base elevation of this view, in pixels.
`void`	`setEnabled(boolean enabled)` Set the enabled state of this view.
`void`	`setFadingEdgeLength(int length)` Set the size of the faded edge used to indicate that more content in this view is available.
`void`	`setFilterTouchesWhenObscured(boolean enabled)` Sets whether the framework should discard touches when the view's window is obscured by another visible window.
`void`	`setFitsSystemWindows(boolean fitSystemWindows)` Sets whether or not this view should account for system screen decorations such as the status bar and inset its content; that is, controlling whether the default implementation of `fitSystemWindows(Rect)` will be executed.
`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`	`setForeground(Drawable foreground)` Supply a Drawable that is to be rendered on top of all of the content in the view.
`void`	`setForegroundGravity(int gravity)` Describes how the foreground is positioned.
`void`	`setForegroundTintList(ColorStateList tint)` Applies a tint to the foreground drawable.
`void`	`setForegroundTintMode(PorterDuff.Mode tintMode)` Specifies the blending mode used to apply the tint specified by `setForegroundTintList(ColorStateList)`} to the background drawable.
`void`	`setHapticFeedbackEnabled(boolean hapticFeedbackEnabled)` Set whether this view should have haptic feedback for events such as long presses.
`void`	`setHasTransientState(boolean hasTransientState)` Set whether this view is currently tracking transient state that the framework should attempt to preserve when possible.
`void`	`setHorizontalFadingEdgeEnabled(boolean horizontalFadingEdgeEnabled)` Define whether the horizontal edges should be faded when this view is scrolled horizontally.
`void`	`setHorizontalScrollBarEnabled(boolean horizontalScrollBarEnabled)` Define whether the horizontal scrollbar should be drawn or not.
`void`	`setHovered(boolean hovered)` Sets whether the view is currently hovered.
`void`	`setId(int id)` Sets the identifier for this view.
`void`	`setImportantForAccessibility(int mode)` Sets how to determine whether this view is important for accessibility which is if it fires accessibility events and if it is reported to accessibility services that query the screen.
`void`	`setKeepScreenOn(boolean keepScreenOn)` Controls whether the screen should remain on, modifying the value of `KEEP_SCREEN_ON`.
`void`	`setLabelFor(int id)` Sets the id of a view for which this view serves as a label for accessibility purposes.
`void`	`setLayerPaint(Paint paint)` Updates the `Paint` object used with the current layer (used only if the current layer type is not set to `LAYER_TYPE_NONE`).
`void`	`setLayerType(int layerType, Paint paint)` Specifies the type of layer backing this view.
`void`	`setLayoutDirection(int layoutDirection)` Set the layout direction for this view.
`void`	`setLayoutParams(ViewGroup.LayoutParams params)` Set the layout parameters associated with this view.
`final void`	`setLeft(int left)` Sets the left position of this view relative to its parent.
`void`	`setLongClickable(boolean longClickable)` Enables or disables long click events for this view.
`final void`	`setMeasuredDimension(int measuredWidth, int measuredHeight)` This method must be called by `onMeasure(int, int)` to store the measured width and measured height.
`void`	`setMinimumHeight(int minHeight)` Sets the minimum height of the view.
`void`	`setMinimumWidth(int minWidth)` Sets the minimum width of the view.
`void`	`setNestedScrollingEnabled(boolean enabled)` Enable or disable nested scrolling for this view.
`void`	`setNextFocusDownId(int nextFocusDownId)` Sets the id of the view to use when the next focus is `FOCUS_DOWN`.
`void`	`setNextFocusForwardId(int nextFocusForwardId)` Sets the id of the view to use when the next focus is `FOCUS_FORWARD`.
`void`	`setNextFocusLeftId(int nextFocusLeftId)` Sets the id of the view to use when the next focus is `FOCUS_LEFT`.
`void`	`setNextFocusRightId(int nextFocusRightId)` Sets the id of the view to use when the next focus is `FOCUS_RIGHT`.
`void`	`setNextFocusUpId(int nextFocusUpId)` Sets the id of the view to use when the next focus is `FOCUS_UP`.
`void`	`setOnApplyWindowInsetsListener(View.OnApplyWindowInsetsListener listener)` Set an `View.OnApplyWindowInsetsListener` to take over the policy for applying window insets to this view.
`void`	`setOnClickListener(View.OnClickListener l)` Register a callback to be invoked when this view is clicked.
`void`	`setOnContextClickListener(View.OnContextClickListener l)` Register a callback to be invoked when this view is context clicked.
`void`	`setOnCreateContextMenuListener(View.OnCreateContextMenuListener l)` Register a callback to be invoked when the context menu for this view is being built.
`void`	`setOnDragListener(View.OnDragListener l)` Register a drag event listener callback object for this View.
`void`	`setOnFocusChangeListener(View.OnFocusChangeListener l)` Register a callback to be invoked when focus of this view changed.
`void`	`setOnGenericMotionListener(View.OnGenericMotionListener l)` Register a callback to be invoked when a generic motion event is sent to this view.
`void`	`setOnHoverListener(View.OnHoverListener l)` Register a callback to be invoked when a hover event is sent to this view.
`void`	`setOnKeyListener(View.OnKeyListener l)` Register a callback to be invoked when a hardware key is pressed in this view.
`void`	`setOnLongClickListener(View.OnLongClickListener l)` Register a callback to be invoked when this view is clicked and held.
`void`	`setOnScrollChangeListener(View.OnScrollChangeListener l)` Register a callback to be invoked when the scroll X or Y positions of this view change.
`void`	`setOnSystemUiVisibilityChangeListener(View.OnSystemUiVisibilityChangeListener l)` Set a listener to receive callbacks when the visibility of the system bar changes.
`void`	`setOnTouchListener(View.OnTouchListener l)` Register a callback to be invoked when a touch event is sent to this view.
`void`	`setOutlineProvider(ViewOutlineProvider provider)` Sets the `ViewOutlineProvider` of the view, which generates the Outline that defines the shape of the shadow it casts, and enables outline clipping.
`void`	`setOverScrollMode(int overScrollMode)` Set the over-scroll mode for this view.
`void`	`setPadding(int left, int top, int right, int bottom)` Sets the padding.
`void`	`setPaddingRelative(int start, int top, int end, int bottom)` Sets the relative padding.
`void`	`setPivotX(float pivotX)` Sets the x location of the point around which the view is `rotated` and `scaled`.
`void`	`setPivotY(float pivotY)` Sets the y location of the point around which the view is `rotated` and `scaled`.
`void`	`setPointerIcon(PointerIcon pointerIcon)` Set the pointer icon for the current view.
`void`	`setPressed(boolean pressed)` Sets the pressed state for this view.
`final void`	`setRight(int right)` Sets the right position of this view relative to its parent.
`void`	`setRotation(float rotation)` Sets the degrees that the view is rotated around the pivot point.
`void`	`setRotationX(float rotationX)` Sets the degrees that the view is rotated around the horizontal axis through the pivot point.
`void`	`setRotationY(float rotationY)` Sets the degrees that the view is rotated around the vertical axis through the pivot point.
`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`	`setSaveFromParentEnabled(boolean enabled)` Controls whether the entire hierarchy under this view will save its state when a state saving traversal occurs from its parent.
`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`	`setScrollBarDefaultDelayBeforeFade(int scrollBarDefaultDelayBeforeFade)` Define the delay before scrollbars fade.
`void`	`setScrollBarFadeDuration(int scrollBarFadeDuration)` Define the scrollbar fade duration.
`void`	`setScrollBarSize(int scrollBarSize)` Define the scrollbar size.
`void`	`setScrollBarStyle(int style)` Specify the style of the scrollbars.
`void`	`setScrollContainer(boolean isScrollContainer)` Change whether this view is one of the set of scrollable containers in its window.
`void`	`setScrollIndicators(int indicators, int mask)` Sets the state of the scroll indicators specified by the mask.
`void`	`setScrollIndicators(int indicators)` Sets the state of all scroll indicators.
`void`	`setScrollX(int value)` Set the horizontal scrolled position of your view.
`void`	`setScrollY(int value)` Set the vertical scrolled position of your view.
`void`	`setScrollbarFadingEnabled(boolean fadeScrollbars)` Define whether scrollbars will fade when the view is not scrolling.
`void`	`setSelected(boolean selected)` Changes the selection state of this view.
`void`	`setSoundEffectsEnabled(boolean soundEffectsEnabled)` Set whether this view should have sound effects enabled for events such as clicking and touching.
`void`	`setStateListAnimator(StateListAnimator stateListAnimator)` Attaches the provided StateListAnimator to this View.
`void`	`setSystemUiVisibility(int visibility)` Request that the visibility of the status bar or other screen/window decorations be changed.
`void`	`setTag(int key, Object tag)` Sets a tag associated with this view and a key.
`void`	`setTag(Object tag)` Sets the tag associated with this view.
`void`	`setTextAlignment(int textAlignment)` Set the text alignment.
`void`	`setTextDirection(int textDirection)` Set the text direction.
`final void`	`setTop(int top)` Sets the top position of this view relative to its parent.
`void`	`setTouchDelegate(TouchDelegate delegate)` Sets the TouchDelegate for this View.
`final void`	`setTransitionName(String transitionName)` Sets the name of the View to be used to identify Views in Transitions.
`void`	`setTranslationX(float translationX)` Sets the horizontal location of this view relative to its `left` position.
`void`	`setTranslationY(float translationY)` Sets the vertical location of this view relative to its `top` position.
`void`	`setTranslationZ(float translationZ)` Sets the depth location of this view relative to its `elevation`.
`void`	`setVerticalFadingEdgeEnabled(boolean verticalFadingEdgeEnabled)` Define whether the vertical edges should be faded when this view is scrolled vertically.
`void`	`setVerticalScrollBarEnabled(boolean verticalScrollBarEnabled)` Define whether the vertical scrollbar should be drawn or not.
`void`	`setVerticalScrollbarPosition(int position)` Set the position of the vertical scroll bar.
`void`	`setVisibility(int visibility)` Set the enabled state of this view.
`void`	`setWillNotCacheDrawing(boolean willNotCacheDrawing)` When a View's drawing cache is enabled, drawing is redirected to an offscreen bitmap.
`void`	`setWillNotDraw(boolean willNotDraw)` If this view doesn't do any drawing on its own, set this flag to allow further optimizations.
`void`	`setX(float x)` Sets the visual x position of this view, in pixels.
`void`	`setY(float y)` Sets the visual y position of this view, in pixels.
`void`	`setZ(float z)` Sets the visual z position of this view, in pixels.
`boolean`	`showContextMenu()` Shows the context menu for this view.
`boolean`	`showContextMenu(float x, float y)` Shows the context menu for this view anchored to the specified view-relative coordinate.
`ActionMode`	`startActionMode(ActionMode.Callback callback, int type)` Start an action mode with the given type.
`ActionMode`	`startActionMode(ActionMode.Callback callback)` Start an action mode with the default type `TYPE_PRIMARY`.
`void`	`startAnimation(Animation animation)` Start the specified animation now.
`final boolean`	`startDrag(ClipData data, View.DragShadowBuilder shadowBuilder, Object myLocalState, int flags)` This method was deprecated in API level 24. Use `startDragAndDrop()` for newer platform versions.
`final boolean`	`startDragAndDrop(ClipData data, View.DragShadowBuilder shadowBuilder, Object myLocalState, int flags)` Starts a drag and drop operation.
`boolean`	`startNestedScroll(int axes)` Begin a nestable scroll operation along the given axes.
`void`	`stopNestedScroll()` Stop a nested scroll in progress.
`String`	`toString()` Returns a string representation of the object.
`void`	`unscheduleDrawable(Drawable who, Runnable what)` Cancels a scheduled action on a drawable.
`void`	`unscheduleDrawable(Drawable who)` Unschedule any events associated with the given Drawable.
`final void`	`updateDragShadow(View.DragShadowBuilder shadowBuilder)` Updates the drag shadow for the ongoing drag and drop operation.
`boolean`	`verifyDrawable(Drawable who)` If your view subclass is displaying its own Drawable objects, it should override this function and return true for any Drawable it is displaying.
`boolean`	`willNotCacheDrawing()` Returns whether or not this View can cache its drawing or not.
`boolean`	`willNotDraw()` Returns whether or not this View draws on its own.

From class


  
    java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long millis, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long millis)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

From interface


  
    android.view.ViewTreeObserver.OnPreDrawListener

From interface


  
    android.graphics.drawable.Drawable.Callback

From interface


  
    android.view.KeyEvent.Callback

From interface


  
    android.view.accessibility.AccessibilityEventSource

Public constructors

Button

Added in API level 1

Button (Context context)

Parameters
`context`	`Context`

Button

Added in API level 1

Button (Context context, 
                AttributeSet attrs)

Parameters
`context`	`Context`
`attrs`	`AttributeSet`

Button

Added in API level 1

Button (Context context, 
                AttributeSet attrs, 
                int defStyleAttr)

Parameters
`context`	`Context`
`attrs`	`AttributeSet`
`defStyleAttr`	`int`

Button

Added in API level 21

Button (Context context, 
                AttributeSet attrs, 
                int defStyleAttr, 
                int defStyleRes)

Parameters
`context`	`Context`
`attrs`	`AttributeSet`
`defStyleAttr`	`int`
`defStyleRes`	`int`

Public methods

getAccessibilityClassName

Added in API level 23

CharSequence getAccessibilityClassName ()

Return the class name of this object to be used for accessibility purposes. Subclasses should only override this if they are implementing something that should be seen as a completely new class of view when used by accessibility, unrelated to the class it is deriving from. This is used to fill in AccessibilityNodeInfo.setClassName.

Returns
`CharSequence`

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Button

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Public constructors

Button

Button

Button

Button

Public methods

getAccessibilityClassName