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Commit fc063e9c authored by Nader Jawad's avatar Nader Jawad
Browse files

Updated ColorDrawable setAlpha/getAlpha documentation 

Updated documentation on ColorDrawable to clarify that the alpha
value provided is combined with the color's already existing alpha
value instead of overwriting it.

Bug: 119004459
Test: Build and boots
Change-Id: Id62462c4ac7d2f46cdc3236876f7e0711fbc4c16
parent 8ad9ef4a

graphics/java/android/graphics/drawable/ColorDrawable.java

+8 −2
Original line number Diff line number Diff line
@@ -149,9 +149,13 @@ public class ColorDrawable extends Drawable { 
    }



    /**

     * Returns the alpha value of this drawable's color.

     * Returns the alpha value of this drawable's color. Note this may not be the same alpha value

     * provided in {@link Drawable#setAlpha(int)}. Instead this will return the alpha of the color

     * combined with the alpha provided by setAlpha

     *

     * @return A value between 0 and 255.

     *

     * @see ColorDrawable#setAlpha(int)

     */

    @Override

    public int getAlpha() {
@@ -159,7 +163,9 @@ public class ColorDrawable extends Drawable { 
    }



    /**

     * Sets the color's alpha value.

     * Applies the given alpha to the underlying color. Note if the color already has

     * an alpha applied to it, this will apply this alpha to the existing value instead of

     * overwriting it.

     *

     * @param alpha The alpha value to set, between 0 and 255.

     */