ColorObject.Alpha Method

  • Reference

Definition

Namespace:
Android.Graphics
Assembly:
Mono.Android.dll

Overloads

Alpha()

Returns the value of the alpha component in the range ([0.
Alpha(Color)

Return the alpha component of a color int.
Alpha(Int64)

Returns the alpha component encoded in the specified color long.

Alpha()

Returns the value of the alpha component in the range ([0.

[Android.Runtime.Register("alpha", "()F", "GetAlphaHandler", ApiSince=26)]
public virtual float Alpha ();
[<Android.Runtime.Register("alpha", "()F", "GetAlphaHandler", ApiSince=26)>]
abstract member Alpha : unit -> single
override this.Alpha : unit -> single

Returns

Single
Attributes
RegisterAttribute

Remarks

Returns the value of the alpha component in the range \([0..1]\). Calling this method is equivalent to getComponent(getComponentCount() - 1).

Java documentation for android.graphics.Color.alpha().

Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.

Applies to

Alpha(Color)

Return the alpha component of a color int.

[Android.Runtime.Register("alpha", "(I)I", "")]
public static int Alpha (Android.Graphics.Color color);
[<Android.Runtime.Register("alpha", "(I)I", "")>]
static member Alpha : Android.Graphics.Color -> int

Parameters

color
Color

Returns

Int32
Attributes
RegisterAttribute

Remarks

Return the alpha component of a color int. This is the same as saying color >>> 24

Java documentation for android.graphics.Color.alpha(int).

Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.

Applies to

Alpha(Int64)

Returns the alpha component encoded in the specified color long.

[Android.Runtime.Register("alpha", "(J)F", "", ApiSince=26)]
public static float Alpha (long color);
[<Android.Runtime.Register("alpha", "(J)F", "", ApiSince=26)>]
static member Alpha : int64 -> single

Parameters

color
Int64

The color long whose alpha channel to extract

Returns

Single

A float value in the range ([0..1])

Attributes
RegisterAttribute

Remarks

Returns the alpha component encoded in the specified color long. The returned value is always in the range \([0..1]\).

Java documentation for android.graphics.Color.alpha(long).

Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.

Applies to