knigopis/app/src/main/res/values/strings.xml

<resources>
    <string name="app_name">Knigopis</string>
    <string name="title_home">Latest</string>
    <string name="title_done">Done</string>
    <string name="title_todo">Todo</string>
    <string name="option_login">Login</string>
    <string name="option_logout">Logout</string>
</resources>