/** * Set or clear the xfermode object. * * <p>Pass null to clear any previous xfermode. As a convenience, the parameter passed is also * returned. * * @param xfermode May be null. The xfermode to be installed in the paint * @return xfermode */ public Xfermode setXfermode(Xfermode xfermode) { int xfermodeNative = 0; if (xfermode != null) xfermodeNative = xfermode.native_instance; native_setXfermode(mNativePaint, xfermodeNative); mXfermode = xfermode; return xfermode; }