Fix crash when drawing icon on older devices

Julien LepillerThu Jun 04 20:43:21+0200 2020

ebf8b66

nani/app/furiganatextview/src/main/res/values
namelast commitdate
attrs.xmlAdd furiganaMon Apr 15 20:09:48+0200 2019
strings.xmlAdd furiganaMon Apr 15 20:09:48+0200 2019