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Added in API level 1

RotateDrawable

public class RotateDrawable
extends DrawableWrapper

java.lang.Object
↳	android.graphics.drawable.Drawable
	↳	android.graphics.drawable.DrawableWrapper
		↳	android.graphics.drawable.RotateDrawable

A Drawable that can rotate another Drawable based on the current level value. The start and end angles of rotation can be controlled to map any circular arc to the level values range.

It can be defined in an XML file with the <rotate> element. For more information, see the guide to Animation Resources.

Summary

XML attributes
`android:drawable`	Reference to a drawable resource to use for the frame.
`android:fromDegrees`
`android:pivotX`
`android:pivotY`
`android:toDegrees`
`android:visible`	Provides initial visibility state of the drawable; the default value is false.

Public constructors
`RotateDrawable()` Creates a new rotating drawable with no wrapped drawable.

Public methods
`void`	`applyTheme(Resources.Theme t)` Applies the specified theme to this Drawable and its children.
`void`	`draw(Canvas canvas)` Draw in its bounds (set via setBounds) respecting optional effects such as alpha (set via setAlpha) and color filter (set via setColorFilter).
`float`	`getFromDegrees()`
`float`	`getPivotX()`
`float`	`getPivotY()`
`float`	`getToDegrees()`
`void`	`inflate(Resources r, XmlPullParser parser, AttributeSet attrs, Resources.Theme theme)` Inflate this Drawable from an XML resource optionally styled by a theme.
`boolean`	`isPivotXRelative()`
`boolean`	`isPivotYRelative()`
`void`	`setFromDegrees(float fromDegrees)` Sets the start angle for rotation.
`void`	`setPivotX(float pivotX)` Sets the X position around which the drawable is rotated.
`void`	`setPivotXRelative(boolean relative)` Sets whether the X pivot value represents a fraction of the drawable width or an absolute value in pixels.
`void`	`setPivotY(float pivotY)` Sets the Y position around which the drawable is rotated.
`void`	`setPivotYRelative(boolean relative)` Sets whether the Y pivot value represents a fraction of the drawable height or an absolute value in pixels.
`void`	`setToDegrees(float toDegrees)` Sets the end angle for rotation.

Protected methods
`boolean`	`onLevelChange(int level)` Override this in your subclass to change appearance if you vary based on level.

Inherited methods

From class


  
    android.graphics.drawable.DrawableWrapper

`void`	`applyTheme(Resources.Theme t)` Applies the specified theme to this Drawable and its children.
`boolean`	`canApplyTheme()`
`void`	`draw(Canvas canvas)` Draw in its bounds (set via setBounds) respecting optional effects such as alpha (set via setAlpha) and color filter (set via setColorFilter).
`int`	`getAlpha()` Gets the current alpha value for the drawable.
`int`	`getChangingConfigurations()` Return a mask of the configuration parameters for which this drawable may change, requiring that it be re-created.
`Drawable.ConstantState`	`getConstantState()` Return a `Drawable.ConstantState` instance that holds the shared state of this Drawable.
`Drawable`	`getDrawable()`
`void`	`getHotspotBounds(Rect outRect)` Populates `outRect` with the hotspot bounds.
`int`	`getIntrinsicHeight()` Returns the drawable's intrinsic height.
`int`	`getIntrinsicWidth()` Returns the drawable's intrinsic width.
`int`	`getOpacity()` Return the opacity/transparency of this Drawable.
`void`	`getOutline(Outline outline)` Called to get the drawable to populate the Outline that defines its drawing area.
`boolean`	`getPadding(Rect padding)` Return in padding the insets suggested by this Drawable for placing content inside the drawable's bounds.
`void`	`inflate(Resources r, XmlPullParser parser, AttributeSet attrs, Resources.Theme theme)` Inflate this Drawable from an XML resource optionally styled by a theme.
`void`	`invalidateDrawable(Drawable who)` Called when the drawable needs to be redrawn.
`boolean`	`isStateful()` Indicates whether this drawable will change its appearance based on state.
`Drawable`	`mutate()` Make this drawable mutable.
`void`	`onBoundsChange(Rect bounds)` Override this in your subclass to change appearance if you vary based on the bounds.
`boolean`	`onLayoutDirectionChanged(int layoutDirection)` Called when the drawable's resolved layout direction changes.
`boolean`	`onLevelChange(int level)` Override this in your subclass to change appearance if you vary based on level.
`boolean`	`onStateChange(int[] state)` Override this in your subclass to change appearance if you recognize the specified state.
`void`	`scheduleDrawable(Drawable who, Runnable what, long when)` A Drawable can call this to schedule the next frame of its animation.
`void`	`setAlpha(int alpha)` Specify an alpha value for the drawable.
`void`	`setColorFilter(ColorFilter colorFilter)` Specify an optional color filter for the drawable.
`void`	`setDrawable(Drawable dr)` Sets the wrapped drawable.
`void`	`setHotspot(float x, float y)` Specifies the hotspot's location within the drawable.
`void`	`setHotspotBounds(int left, int top, int right, int bottom)` Sets the bounds to which the hotspot is constrained, if they should be different from the drawable bounds.
`void`	`setTintList(ColorStateList tint)` Specifies tint color for this drawable as a color state list.
`void`	`setTintMode(PorterDuff.Mode tintMode)` Specifies a tint blending mode for this drawable.
`boolean`	`setVisible(boolean visible, boolean restart)` Set whether this Drawable is visible.
`void`	`unscheduleDrawable(Drawable who, Runnable what)` A Drawable can call this to unschedule an action previously scheduled with `scheduleDrawable(Drawable, Runnable, long)`.

From class


  
    android.graphics.drawable.Drawable

`void`	`applyTheme(Resources.Theme t)` Applies the specified theme to this Drawable and its children.
`boolean`	`canApplyTheme()`
`void`	`clearColorFilter()` Removes the color filter for this drawable.
`final Rect`	`copyBounds()` Return a copy of the drawable's bounds in a new Rect.
`final void`	`copyBounds(Rect bounds)` Return a copy of the drawable's bounds in the specified Rect (allocated by the caller).
`static Drawable`	`createFromPath(String pathName)` Create a drawable from file path name.
`static Drawable`	`createFromResourceStream(Resources res, TypedValue value, InputStream is, String srcName, BitmapFactory.Options opts)` Create a drawable from an inputstream, using the given resources and value to determine density information.
`static Drawable`	`createFromResourceStream(Resources res, TypedValue value, InputStream is, String srcName)` Create a drawable from an inputstream, using the given resources and value to determine density information.
`static Drawable`	`createFromStream(InputStream is, String srcName)` Create a drawable from an inputstream
`static Drawable`	`createFromXml(Resources r, XmlPullParser parser)` Create a drawable from an XML document.
`static Drawable`	`createFromXml(Resources r, XmlPullParser parser, Resources.Theme theme)` Create a drawable from an XML document using an optional `Resources.Theme`.
`static Drawable`	`createFromXmlInner(Resources r, XmlPullParser parser, AttributeSet attrs, Resources.Theme theme)` Create a drawable from inside an XML document using an optional `Resources.Theme`.
`static Drawable`	`createFromXmlInner(Resources r, XmlPullParser parser, AttributeSet attrs)` Create from inside an XML document.
`abstract void`	`draw(Canvas canvas)` Draw in its bounds (set via setBounds) respecting optional effects such as alpha (set via setAlpha) and color filter (set via setColorFilter).
`int`	`getAlpha()` Gets the current alpha value for the drawable.
`final Rect`	`getBounds()` Return the drawable's bounds Rect.
`Drawable.Callback`	`getCallback()` Return the current `Drawable.Callback` implementation attached to this Drawable.
`int`	`getChangingConfigurations()` Return a mask of the configuration parameters for which this drawable may change, requiring that it be re-created.
`ColorFilter`	`getColorFilter()` Returns the current color filter, or `null` if none set.
`Drawable.ConstantState`	`getConstantState()` Return a `Drawable.ConstantState` instance that holds the shared state of this Drawable.
`Drawable`	`getCurrent()`
`Rect`	`getDirtyBounds()` Return the drawable's dirty bounds Rect.
`void`	`getHotspotBounds(Rect outRect)` Populates `outRect` with the hotspot bounds.
`int`	`getIntrinsicHeight()` Returns the drawable's intrinsic height.
`int`	`getIntrinsicWidth()` Returns the drawable's intrinsic width.
`int`	`getLayoutDirection()` Returns the resolved layout direction for this Drawable.
`final int`	`getLevel()` Retrieve the current level.
`int`	`getMinimumHeight()` Returns the minimum height suggested by this Drawable.
`int`	`getMinimumWidth()` Returns the minimum width suggested by this Drawable.
`abstract int`	`getOpacity()` Return the opacity/transparency of this Drawable.
`void`	`getOutline(Outline outline)` Called to get the drawable to populate the Outline that defines its drawing area.
`boolean`	`getPadding(Rect padding)` Return in padding the insets suggested by this Drawable for placing content inside the drawable's bounds.
`int[]`	`getState()` Describes the current state, as a union of primitve states, such as `state_focused`, `state_selected`, etc.
`Region`	`getTransparentRegion()` Returns a Region representing the part of the Drawable that is completely transparent.
`void`	`inflate(Resources r, XmlPullParser parser, AttributeSet attrs, Resources.Theme theme)` Inflate this Drawable from an XML resource optionally styled by a theme.
`void`	`inflate(Resources r, XmlPullParser parser, AttributeSet attrs)` Inflate this Drawable from an XML resource.
`void`	`invalidateSelf()` Use the current `Drawable.Callback` implementation to have this Drawable redrawn.
`boolean`	`isAutoMirrored()` Tells if this Drawable will be automatically mirrored when its layout direction is RTL right-to-left.
`boolean`	`isFilterBitmap()`
`boolean`	`isStateful()` Indicates whether this drawable will change its appearance based on state.
`final boolean`	`isVisible()`
`void`	`jumpToCurrentState()` If this Drawable does transition animations between states, ask that it immediately jump to the current state and skip any active animations.
`Drawable`	`mutate()` Make this drawable mutable.
`void`	`onBoundsChange(Rect bounds)` Override this in your subclass to change appearance if you vary based on the bounds.
`boolean`	`onLayoutDirectionChanged(int layoutDirection)` Called when the drawable's resolved layout direction changes.
`boolean`	`onLevelChange(int level)` Override this in your subclass to change appearance if you vary based on level.
`boolean`	`onStateChange(int[] state)` Override this in your subclass to change appearance if you recognize the specified state.
`static int`	`resolveOpacity(int op1, int op2)` Return the appropriate opacity value for two source opacities.
`void`	`scheduleSelf(Runnable what, long when)` Use the current `Drawable.Callback` implementation to have this Drawable scheduled.
`abstract void`	`setAlpha(int alpha)` Specify an alpha value for the drawable.
`void`	`setAutoMirrored(boolean mirrored)` Set whether this Drawable is automatically mirrored when its layout direction is RTL (right-to left).
`void`	`setBounds(int left, int top, int right, int bottom)` Specify a bounding rectangle for the Drawable.
`void`	`setBounds(Rect bounds)` Specify a bounding rectangle for the Drawable.
`final void`	`setCallback(Drawable.Callback cb)` Bind a `Drawable.Callback` object to this Drawable.
`void`	`setChangingConfigurations(int configs)` Set a mask of the configuration parameters for which this drawable may change, requiring that it be re-created.
`void`	`setColorFilter(int color, PorterDuff.Mode mode)` Specify a color and Porter-Duff mode to be the color filter for this drawable.
`abstract void`	`setColorFilter(ColorFilter colorFilter)` Specify an optional color filter for the drawable.
`void`	`setDither(boolean dither)` This method was deprecated in API level 23. This property is ignored.
`void`	`setFilterBitmap(boolean filter)` Set to true to have the drawable filter its bitmaps with bilinear sampling when they are scaled or rotated.
`void`	`setHotspot(float x, float y)` Specifies the hotspot's location within the drawable.
`void`	`setHotspotBounds(int left, int top, int right, int bottom)` Sets the bounds to which the hotspot is constrained, if they should be different from the drawable bounds.
`final boolean`	`setLayoutDirection(int layoutDirection)` Set the layout direction for this drawable.
`final boolean`	`setLevel(int level)` Specify the level for the drawable.
`boolean`	`setState(int[] stateSet)` Specify a set of states for the drawable.
`void`	`setTint(int tintColor)` Specifies tint color for this drawable.
`void`	`setTintList(ColorStateList tint)` Specifies tint color for this drawable as a color state list.
`void`	`setTintMode(PorterDuff.Mode tintMode)` Specifies a tint blending mode for this drawable.
`boolean`	`setVisible(boolean visible, boolean restart)` Set whether this Drawable is visible.
`void`	`unscheduleSelf(Runnable what)` Use the current `Drawable.Callback` implementation to have this Drawable unscheduled.

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.graphics.drawable.Drawable.Callback

XML attributes

android:drawable

Reference to a drawable resource to use for the frame. If not given, the drawable must be defined by the first child tag.

Must be a reference to another resource, in the form "@[+][package:]type:name" or to a theme attribute in the form "?[package:][type:]name".

This corresponds to the global attribute resource symbol drawable.

android:fromDegrees

Related methods:

setFromDegrees(float)

android:pivotX

Related methods:

setPivotX(float)

android:pivotY

Related methods:

setPivotY(float)

android:toDegrees

Related methods:

setToDegrees(float)

android:visible

Provides initial visibility state of the drawable; the default value is false. See setVisible(boolean, boolean).

Must be a boolean value, either "true" or "false".

This may also be a reference to a resource (in the form "@[package:]type:name") or theme attribute (in the form "?[package:][type:]name") containing a value of this type.

This corresponds to the global attribute resource symbol visible.

Public constructors

RotateDrawable

Added in API level 1

RotateDrawable ()

Creates a new rotating drawable with no wrapped drawable.

Public methods

applyTheme

Added in API level 21

void applyTheme (Resources.Theme t)

Applies the specified theme to this Drawable and its children.

Parameters
`t`	`Resources.Theme`: the theme to apply

draw

Added in API level 1

void draw (Canvas canvas)

Draw in its bounds (set via setBounds) respecting optional effects such as alpha (set via setAlpha) and color filter (set via setColorFilter).

Parameters
`canvas`	`Canvas`: The canvas to draw into

getFromDegrees

Added in API level 21

float getFromDegrees ()

Related XML Attributes:

android:fromDegrees

Returns
`float`	starting angle for rotation in degrees

See also:

setFromDegrees(float)

getPivotX

Added in API level 21

float getPivotX ()

Related XML Attributes:

android:pivotX

Returns
`float`	X position around which to rotate

See also:

setPivotX(float)

getPivotY

Added in API level 21

float getPivotY ()

Related XML Attributes:

android:pivotY

Returns
`float`	Y position around which to rotate

See also:

setPivotY(float)

getToDegrees

Added in API level 21

float getToDegrees ()

Related XML Attributes:

android:toDegrees

Returns
`float`	ending angle for rotation in degrees

See also:

setToDegrees(float)

inflate

Added in API level 21

void inflate (Resources r, 
                XmlPullParser parser, 
                AttributeSet attrs, 
                Resources.Theme theme)

Inflate this Drawable from an XML resource optionally styled by a theme. This can't be called more than once for each Drawable. Note that framework may have called this once to create the Drawable instance from XML resource.

Parameters
`r`	`Resources`: Resources used to resolve attribute values
`parser`	`XmlPullParser`: XML parser from which to inflate this Drawable
`attrs`	`AttributeSet`: Base set of attribute values
`theme`	`Resources.Theme`: Theme to apply, may be null

Throws
`XmlPullParserException`
`IOException`

isPivotXRelative

Added in API level 21

boolean isPivotXRelative ()

Returns
`boolean`	true if the X pivot represents a fraction of the drawable width, or false if it represents an absolute value in pixels

See also:

setPivotXRelative(boolean)

isPivotYRelative

Added in API level 21

boolean isPivotYRelative ()

Returns
`boolean`	true if the Y pivot represents a fraction of the drawable height, or false if it represents an absolute value in pixels

See also:

setPivotYRelative(boolean)

setFromDegrees

Added in API level 21

void setFromDegrees (float fromDegrees)

Sets the start angle for rotation.

Related XML Attributes:

android:fromDegrees

Parameters
`fromDegrees`	`float`: starting angle in degrees

See also:

getFromDegrees()

setPivotX

Added in API level 21

void setPivotX (float pivotX)

Sets the X position around which the drawable is rotated.

If the X pivot is relative (as specified by setPivotXRelative(boolean)), then the position represents a fraction of the drawable width. Otherwise, the position represents an absolute value in pixels.

Related XML Attributes:

android:pivotX

Parameters
`pivotX`	`float`: X position around which to rotate

See also:

setPivotXRelative(boolean)

setPivotXRelative

Added in API level 21

void setPivotXRelative (boolean relative)

Sets whether the X pivot value represents a fraction of the drawable width or an absolute value in pixels.

Parameters
`relative`	`boolean`: true if the X pivot represents a fraction of the drawable width, or false if it represents an absolute value in pixels

See also:

isPivotXRelative()

setPivotY

Added in API level 21

void setPivotY (float pivotY)

Sets the Y position around which the drawable is rotated.

If the Y pivot is relative (as specified by setPivotYRelative(boolean)), then the position represents a fraction of the drawable height. Otherwise, the position represents an absolute value in pixels.

Related XML Attributes:

android:pivotY

Parameters
`pivotY`	`float`: Y position around which to rotate

See also:

getPivotY()

setPivotYRelative

Added in API level 21

void setPivotYRelative (boolean relative)

Sets whether the Y pivot value represents a fraction of the drawable height or an absolute value in pixels.

Parameters
`relative`	`boolean`: True if the Y pivot represents a fraction of the drawable height, or false if it represents an absolute value in pixels

See also:

isPivotYRelative()

setToDegrees

Added in API level 21

void setToDegrees (float toDegrees)

Sets the end angle for rotation.

Related XML Attributes:

android:toDegrees

Parameters
`toDegrees`	`float`: ending angle in degrees

See also:

getToDegrees()

Protected methods

onLevelChange

Added in API level 1

boolean onLevelChange (int level)

Override this in your subclass to change appearance if you vary based on level.

Parameters
`level`	`int`

Returns
`boolean`	Returns true if the level change has caused the appearance of the Drawable to change (that is, it needs to be drawn), else false if it looks the same and there is no need to redraw it since its last level.

Interfaces

Classes

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RotateDrawable

Summary

XML attributes

Public constructors

Public methods

Protected methods

Inherited methods

XML attributes

android:drawable

android:fromDegrees

android:pivotX

android:pivotY

android:toDegrees

android:visible

Public constructors

RotateDrawable

Public methods

applyTheme

draw

getFromDegrees

getPivotX

getPivotY

getToDegrees

inflate

isPivotXRelative

isPivotYRelative

setFromDegrees

setPivotX

setPivotXRelative

setPivotY

setPivotYRelative

setToDegrees

Protected methods

onLevelChange