colorWithAlphaComponent method
colorWithAlphaComponent:
Implementation
UIColor colorWithAlphaComponent(double alpha) {
objc.checkOsVersionInternal('UIColor.colorWithAlphaComponent:', iOS: (false, (2, 0, 0)));
final _ret = _objc_msgSend_oa8mke(this.ref.pointer, _sel_colorWithAlphaComponent_, alpha);
return UIColor.castFromPointer(_ret, retain: true, release: true);
}