https://ievetrov.ru/android-%d1%81-%d0%bd%d1%83%d0%bb%d1%8f-%d1%83%d1%80%d0%be%d0%ba%d0%b8/%d1%83%d1%80%d0%be%d0%ba-2-%d0%b2%d0%b2%d0%b5%d0%b4%d0%b5%d0%bd%d0%b8%d0%b5-%d0%b2-xml-view-%d1%82%d0%b5%d0%b3%d0%b8-%d0%b8-%d0%b0%d1%82%d1%80%d0%b8%d0%b1%d1%83%d1%82%d1%8b/