Method isNull

shared/java/Bitmap.java:118–125

Returns true if PixelRef is null. Does not check if width or height are zero; call #drawsNothing() to check width, height, and PixelRef. @return true if no PixelRef is associated

()

     * @return  true if no PixelRef is associated
     */
    public boolean isNull() {
        try {
            Stats.onNativeCall();
            return _nIsNull(_ptr);
        } finally {
            ReferenceUtil.reachabilityFence(this);
        }
    }

    /**
     * Returns true if width or height are zero, or if PixelRef is null.