Added in API level 29

Summary: Ctors | Methods | Inherited Methods

Font.Builder

Kotlin |Java

public static final class Font.Builder
extends Object

java.lang.Object
↳	android.graphics.fonts.Font.Builder

A builder class for creating new Font.

Summary

Public constructors
`Builder(AssetManager am, String path)` Constructs a builder from an asset manager and a file path in an asset directory.
`Builder(Resources res, int resId)` Constructs a builder from resources.
`Builder(Font font)` Constructs a builder from existing Font instance.
`Builder(ParcelFileDescriptor fd)` Constructs a builder with a file descriptor.
`Builder(ParcelFileDescriptor fd, long offset, long size)` Constructs a builder with a file descriptor.
`Builder(File path)` Constructs a builder with a file path.
`Builder(ByteBuffer buffer)` Constructs a builder with a byte buffer.

Public methods
`Font`	`build()` Creates the font based on the configured values.
`Font.Builder`	`setFontVariationSettings(String variationSettings)` Sets the font variation settings.
`Font.Builder`	`setFontVariationSettings(FontVariationAxis[] axes)` Sets the font variation settings.
`Font.Builder`	`setSlant(int slant)` Sets italic information of the font.
`Font.Builder`	`setTtcIndex(int ttcIndex)` Sets an index of the font collection.
`Font.Builder`	`setWeight(int weight)` Sets weight of the font.

Inherited methods

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 timeoutMillis, int nanos)` Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
`final void`	`wait(long timeoutMillis)` Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
`final void`	`wait()` Causes the current thread to wait until it is awakened, typically by being notified or interrupted.

Public constructors

Builder

Added in API level 29

public Builder (AssetManager am, 
                String path)

Constructs a builder from an asset manager and a file path in an asset directory.

Parameters
`am`	`AssetManager`: the application's asset manager This value cannot be `null`.
`path`	`String`: the file name of the font data in the asset directory This value cannot be `null`.

Builder

Added in API level 29

public Builder (Resources res, 
                int resId)

Constructs a builder from resources. Resource ID must points the font file. XML font can not be used here.

Parameters
`res`	`Resources`: the resource of this application. This value cannot be `null`.
`resId`	`int`: the resource ID of font file.

Builder

Added in API level 31

public Builder (Font font)

Constructs a builder from existing Font instance.

Parameters
`font`	`Font`: the font instance. This value cannot be `null`.

Builder

Added in API level 29

public Builder (ParcelFileDescriptor fd)

Constructs a builder with a file descriptor.

Parameters
`fd`	`ParcelFileDescriptor`: a file descriptor This value cannot be `null`.

Builder

Added in API level 29

public Builder (ParcelFileDescriptor fd, 
                long offset, 
                long size)

Constructs a builder with a file descriptor.

Parameters
`fd`	`ParcelFileDescriptor`: a file descriptor This value cannot be `null`.
`offset`	`long`: an offset to of the font data in the file Value is 0 or greater
`size`	`long`: a size of the font data. If -1 is passed, use until end of the file. Value is -1 or greater

Builder

Added in API level 29

public Builder (File path)

Constructs a builder with a file path.

Parameters
`path`	`File`: a file path to the font file This value cannot be `null`.

Builder

Added in API level 29

public Builder (ByteBuffer buffer)

Constructs a builder with a byte buffer. Note that only direct buffer can be used as the source of font data.

Parameters
`buffer`	`ByteBuffer`: a byte buffer of a font data This value cannot be `null`.

See also:

ByteBuffer.allocateDirect(int)

Public methods

build

Added in API level 29

public Font build ()

Creates the font based on the configured values.

Returns
`Font`	the Font object This value cannot be `null`.

Throws
`IOException`

setFontVariationSettings

Added in API level 29

public Font.Builder setFontVariationSettings (String variationSettings)

Sets the font variation settings.

Parameters
`variationSettings`	`String`: see `FontVariationAxis.fromFontVariationSettings(String)` This value may be `null`.

Returns
`Font.Builder`	this builder This value cannot be `null`.

Throws
`IllegalArgumentException`	If given string is not a valid font variation settings format.

setFontVariationSettings

Added in API level 29

public Font.Builder setFontVariationSettings (FontVariationAxis[] axes)

Sets the font variation settings.

Parameters
`axes`	`FontVariationAxis`: an array of font variation axis tag-value pairs This value may be `null`.

Returns
`Font.Builder`	this builder This value cannot be `null`.

setSlant

Added in API level 29

public Font.Builder setSlant (int slant)

Sets italic information of the font. Tells the system the style of the given font. If this function is not called, the system will resolve the style by reading font tables. For example, if you want to use italic font as upright font, call setSlant(FontStyle.FONT_SLANT_UPRIGHT) explicitly.

Parameters
`slant`	`int`: Value is `FontStyle.FONT_SLANT_UPRIGHT`, or `FontStyle.FONT_SLANT_ITALIC`

Returns
`Font.Builder`	this builder This value cannot be `null`.

setTtcIndex

Added in API level 29

public Font.Builder setTtcIndex (int ttcIndex)

Sets an index of the font collection. See R.attr.ttcIndex.

Parameters
`ttcIndex`	`int`: An index of the font collection. If the font source is not font collection, do not call this method or specify 0. Value is 0 or greater

Returns
`Font.Builder`	this builder This value cannot be `null`.

setWeight

Added in API level 29

public Font.Builder setWeight (int weight)

Sets weight of the font. Tells the system the weight of the given font. If this function is not called, the system will resolve the weight value by reading font tables. Here are pairs of the common names and their values.

Value Name Android Definition

100 Thin FontStyle.FONT_WEIGHT_THIN

200 Extra Light (Ultra Light) FontStyle.FONT_WEIGHT_EXTRA_LIGHT

300 Light FontStyle.FONT_WEIGHT_LIGHT

400 Normal (Regular) FontStyle.FONT_WEIGHT_NORMAL

500 Medium FontStyle.FONT_WEIGHT_MEDIUM

600 Semi Bold (Demi Bold) FontStyle.FONT_WEIGHT_SEMI_BOLD

700 Bold FontStyle.FONT_WEIGHT_BOLD

800 Extra Bold (Ultra Bold) FontStyle.FONT_WEIGHT_EXTRA_BOLD

900 Black (Heavy) FontStyle.FONT_WEIGHT_BLACK

Parameters

weight int: a weight value Value is between FontStyle.FONT_WEIGHT_MIN and FontStyle.FONT_WEIGHT_MAX inclusive

Returns

Font.Builder this builder This value cannot be null.

Value	Name	Android Definition
100	Thin	`FontStyle.FONT_WEIGHT_THIN`
200	Extra Light (Ultra Light)	`FontStyle.FONT_WEIGHT_EXTRA_LIGHT`
300	Light	`FontStyle.FONT_WEIGHT_LIGHT`
400	Normal (Regular)	`FontStyle.FONT_WEIGHT_NORMAL`
500	Medium	`FontStyle.FONT_WEIGHT_MEDIUM`
600	Semi Bold (Demi Bold)	`FontStyle.FONT_WEIGHT_SEMI_BOLD`
700	Bold	`FontStyle.FONT_WEIGHT_BOLD`
800	Extra Bold (Ultra Bold)	`FontStyle.FONT_WEIGHT_EXTRA_BOLD`
900	Black (Heavy)	`FontStyle.FONT_WEIGHT_BLACK`

Parameters
`weight`	`int`: a weight value Value is between FontStyle.FONT_WEIGHT_MIN and FontStyle.FONT_WEIGHT_MAX inclusive

See also:

Font.Builder

Summary

Public constructors

Public methods

Inherited methods

Public constructors

Builder

Builder

Builder

Builder

Builder

Builder

Builder

Public methods

build

setFontVariationSettings

setFontVariationSettings

setSlant

setTtcIndex

setWeight

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