Method notifyDrawingChanged

shared/java/Drawable.java:107–113

Calling this invalidates the previous generation ID, and causes a new one to be computed the next time getGenerationId() is called. Typically this is called by the object itself, in response to its internal state changing.

()

     * in response to its internal state changing.
     */
    @ApiStatus.NonExtendable
    public Drawable notifyDrawingChanged() {
        Stats.onNativeCall();
        _nNotifyDrawingChanged(_ptr);
        _bounds = null;
        return this;
    }

    @ApiStatus.OverrideOnly
    public abstract void onDraw(Canvas canvas);