package Ġcom . google . ml kit . code lab . translate . main . face Ċ Ċ import Ġandroid . app . Application Ċ import Ġandroidx . lifecycle . Android ViewModel Ċ import Ġandroidx . lifecycle . Mutable LiveData Ċ Ċ class ĠFace ViewModel ( application : ĠApplication ) Ġ: ĠAndroid ViewModel ( application ) Ġ{ ĊĊĠĠĠ Ġval Ġis Sm iling Ġ= ĠMutable LiveData < Boolean >() ĊĠĠĠ Ġval Ġopen E yes Ġ= ĠMutable LiveData < String >() Ċ Ċ }