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DrawerArrowDrawable

public class DrawerArrowDrawable
extends Drawable

java.lang.Object
↳	android.graphics.drawable.Drawable
	↳	android.support.v7.graphics.drawable.DrawerArrowDrawable

A drawable that can draw a "Drawer hamburger" menu or an arrow and animate between them.

The progress between the two states is controlled via setProgress(float).

Summary

Constants
`int`	`ARROW_DIRECTION_END` Direction to make the arrow point to the end.
`int`	`ARROW_DIRECTION_LEFT` Direction to make the arrow point towards the left.
`int`	`ARROW_DIRECTION_RIGHT` Direction to make the arrow point towards the right.
`int`	`ARROW_DIRECTION_START` Direction to make the arrow point towards the start.

Public constructors
`DrawerArrowDrawable(Context context)`

Public methods
`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`	`getArrowHeadLength()` Returns the length of the arrow head (from tip to edge, perpendicular to the shaft), in pixels.
`float`	`getArrowShaftLength()` Returns the arrow shaft length in pixels.
`float`	`getBarLength()` The length of the bars when they are parallel to each other.
`float`	`getBarThickness()` Returns the thickness (stroke width) of the bars.
`int`	`getColor()` Returns the color of the drawable.
`int`	`getDirection()` Returns the arrow direction.
`float`	`getGapSize()` Returns the max gap between the bars when they are parallel to each other.
`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.
`final Paint`	`getPaint()` Returns the paint instance used for all drawing.
`float`	`getProgress()` Returns the current progress of the arrow.
`boolean`	`isSpinEnabled()` Returns whether the bars should rotate or not during the transition.
`void`	`setAlpha(int alpha)` Specify an alpha value for the drawable.
`void`	`setArrowHeadLength(float length)` Sets the length of the arrow head (from tip to edge, perpendicular to the shaft).
`void`	`setArrowShaftLength(float length)` Sets the arrow shaft length.
`void`	`setBarLength(float length)` Sets the length of the bars when they are parallel to each other.
`void`	`setBarThickness(float width)` Sets the thickness (stroke size) for the bars.
`void`	`setColor(int color)` Sets the color of the drawable.
`void`	`setColorFilter(ColorFilter colorFilter)` Specify an optional color filter for the drawable.
`void`	`setDirection(int direction)` Set the arrow direction.
`void`	`setGapSize(float gap)` Sets the max gap between the bars when they are parallel to each other.
`void`	`setProgress(float progress)` Set the progress of the arrow.
`void`	`setSpinEnabled(boolean enabled)` Returns whether the bars should rotate or not during the transition.
`void`	`setVerticalMirror(boolean verticalMirror)` If set, canvas is flipped when progress reached to end and going back to start.

Inherited methods

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.

Constants

ARROW_DIRECTION_END

int ARROW_DIRECTION_END

Direction to make the arrow point to the end.

When used in a view with a RTL layout direction, this is the same as ARROW_DIRECTION_LEFT, otherwise it is the same as ARROW_DIRECTION_RIGHT.

See also:

Constant Value: 3 (0x00000003)

ARROW_DIRECTION_LEFT

int ARROW_DIRECTION_LEFT

Direction to make the arrow point towards the left.

See also:

Constant Value: 0 (0x00000000)

ARROW_DIRECTION_RIGHT

int ARROW_DIRECTION_RIGHT

Direction to make the arrow point towards the right.

See also:

Constant Value: 1 (0x00000001)

ARROW_DIRECTION_START

int ARROW_DIRECTION_START

Direction to make the arrow point towards the start.

When used in a view with a RTL layout direction, this is the same as ARROW_DIRECTION_RIGHT, otherwise it is the same as ARROW_DIRECTION_LEFT.

See also:

Constant Value: 2 (0x00000002)

Public constructors

DrawerArrowDrawable

DrawerArrowDrawable (Context context)

Parameters
`context`	`Context`: used to get the configuration for the drawable from

Public methods

draw

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

getArrowHeadLength

float getArrowHeadLength ()

Returns the length of the arrow head (from tip to edge, perpendicular to the shaft), in pixels.

Returns
`float`

getArrowShaftLength

float getArrowShaftLength ()

Returns the arrow shaft length in pixels.

Returns
`float`

getBarLength

float getBarLength ()

The length of the bars when they are parallel to each other.

Returns
`float`

getBarThickness

float getBarThickness ()

Returns the thickness (stroke width) of the bars.

Returns
`float`

getColor

int getColor ()

Returns the color of the drawable.

Returns
`int`

getDirection

int getDirection ()

Returns the arrow direction.

Returns
`int`

getGapSize

float getGapSize ()

Returns the max gap between the bars when they are parallel to each other.

Returns
`float`

See also:

getGapSize()

getIntrinsicHeight

int getIntrinsicHeight ()

Returns the drawable's intrinsic height.

Intrinsic height is the height at which the drawable would like to be laid out, including any inherent padding. If the drawable has no intrinsic height, such as a solid color, this method returns -1.

Returns
`int`	the intrinsic height, or -1 if no intrinsic height

getIntrinsicWidth

int getIntrinsicWidth ()

Returns the drawable's intrinsic width.

Intrinsic width is the width at which the drawable would like to be laid out, including any inherent padding. If the drawable has no intrinsic width, such as a solid color, this method returns -1.

Returns
`int`	the intrinsic width, or -1 if no intrinsic width

getOpacity

int getOpacity ()

Return the opacity/transparency of this Drawable. The returned value is one of the abstract format constants in PixelFormat: UNKNOWN, TRANSLUCENT, TRANSPARENT, or OPAQUE.

An OPAQUE drawable is one that draws all all content within its bounds, completely covering anything behind the drawable. A TRANSPARENT drawable is one that draws nothing within its bounds, allowing everything behind it to show through. A TRANSLUCENT drawable is a drawable in any other state, where the drawable will draw some, but not all, of the content within its bounds and at least some content behind the drawable will be visible. If the visibility of the drawable's contents cannot be determined, the safest/best return value is TRANSLUCENT.

Generally a Drawable should be as conservative as possible with the value it returns. For example, if it contains multiple child drawables and only shows one of them at a time, if only one of the children is TRANSLUCENT and the others are OPAQUE then TRANSLUCENT should be returned. You can use the method resolveOpacity(int, int) to perform a standard reduction of two opacities to the appropriate single output.

Note that the returned value does not necessarily take into account a custom alpha or color filter that has been applied by the client through the setAlpha(int) or setColorFilter(ColorFilter) methods. Some subclasses, such as BitmapDrawable, ColorDrawable, and GradientDrawable, do account for the value of setAlpha(int), but the general behavior is dependent upon the implementation of the subclass.

Returns
`int`	int The opacity class of the Drawable.

getPaint

Paint getPaint ()

Returns the paint instance used for all drawing.

Returns
`Paint`

getProgress

float getProgress ()

Returns the current progress of the arrow.

Returns
`float`

isSpinEnabled

boolean isSpinEnabled ()

Returns whether the bars should rotate or not during the transition.

Returns
`boolean`

See also:

setSpinEnabled(boolean)

setAlpha

void setAlpha (int alpha)

Specify an alpha value for the drawable. 0 means fully transparent, and 255 means fully opaque.

Parameters
`alpha`	`int`

setArrowHeadLength

void setArrowHeadLength (float length)

Sets the length of the arrow head (from tip to edge, perpendicular to the shaft).

Parameters
`length`	`float`: the length in pixels

setArrowShaftLength

void setArrowShaftLength (float length)

Sets the arrow shaft length.

Parameters
`length`	`float`: the length in pixels

setBarLength

void setBarLength (float length)

Sets the length of the bars when they are parallel to each other.

Parameters
`length`	`float`: the length in pixels

setBarThickness

void setBarThickness (float width)

Sets the thickness (stroke size) for the bars.

Parameters
`width`	`float`: stroke width in pixels

setColor

void setColor (int color)

Sets the color of the drawable.

Parameters
`color`	`int`

setColorFilter

void setColorFilter (ColorFilter colorFilter)

Specify an optional color filter for the drawable.

If a Drawable has a ColorFilter, each output pixel of the Drawable's drawing contents will be modified by the color filter before it is blended onto the render target of a Canvas.

Pass null to remove any existing color filter.

Note: Setting a non-null color filter disables tint.

Parameters
`colorFilter`	`ColorFilter`: The color filter to apply, or `null` to remove the existing color filter

setDirection

void setDirection (int direction)

Set the arrow direction.

Parameters
`direction`	`int`

setGapSize

void setGapSize (float gap)

Sets the max gap between the bars when they are parallel to each other.

Parameters
`gap`	`float`: the gap in pixels

See also:

getGapSize()

setProgress

void setProgress (float progress)

Set the progress of the arrow.

A value of 0.0 indicates that the arrow should be drawn in it's starting position. A value of 1.0 indicates that the arrow should be drawn in it's ending position.

Parameters
`progress`	`float`

setSpinEnabled

void setSpinEnabled (boolean enabled)

Returns whether the bars should rotate or not during the transition.

Parameters
`enabled`	`boolean`: true if the bars should rotate.

See also:

isSpinEnabled()

setVerticalMirror

void setVerticalMirror (boolean verticalMirror)

If set, canvas is flipped when progress reached to end and going back to start.

Parameters
`verticalMirror`	`boolean`