Fix IDE warnings and make some methods static

Julien LepillerSat Jun 06 19:33:58+0200 2020

7f932b9

nani/app/furiganatextview/src/main
namelast commitdate
AndroidManifest.xmlAdd furiganaMon Apr 15 20:09:48+0200 2019
java/Add furiganaMon Apr 15 20:09:48+0200 2019
res/Add furiganaMon Apr 15 20:09:48+0200 2019