package Ġcom . tra ff ics ign s . data . database . view model Ċ Ċ import Ġandroid . app . Application Ċ import Ġandroidx . lifecycle . Android ViewModel Ċ import Ġandroidx . lifecycle . LiveData Ċ import Ġandroidx . lifecycle .* Ċ import Ġcom . tra ff ics ign s . data . database . room . Traffic Sign s Collection Database Ċ import Ġcom . tra ff ics ign s . data . database . repository . Traffic Sign s Collection Repository Ċ import Ġcom . tra ff ics ign s . data . dataclass . Traffic Sign s Collection Ċ import Ġkotlinx . coroutines .* Ċ Ċ /** Ċ Ġ* Ġ@ author ĠHal Ã¡ sz ĠBot ond Ċ Ġ* Ġ@ since Ġ 1 4 / 0 5 / 2 0 2 1 Ċ Ġ* Ċ Ġ* ĠProvide Ġdata Ġto Ġthe ĠUI Ġand Ġsurv ive Ġconfiguration Ġchanges . Ċ Ġ* ĠAct s Ġas Ġa Ġcommunication Ġcenter Ġbetween Ġthe ĠRepository Ġand Ġthe ĠUI . Ċ Ġ*/ Ċ class ĠTraffic Sign s Collection ViewModel ( application : ĠApplication ): ĠAndroid ViewModel ( application ) Ġ{ ĊĊĠĠĠ Ġval Ġread All Data : ĠLive Data < List < Traffic Sign s Collection >> ĊĠĠĠ Ġprivate Ġval Ġrepository : ĠTraffic Sign s Collection Repository ĊĊĠĠĠ Ġinit Ġ{ ĊĠĠĠĠĠĠĠ Ġval Ġtraffic Sign s Collection Dao Ġ= ĠTraffic Sign s Collection Database . get Database ( application ). traffic Sign s Collection Dao () ĊĠĠĠĠĠĠĠ Ġrepository Ġ= ĠTraffic Sign s Collection Repository ( traffic Sign s Collection Dao ) ĊĠĠĠĠĠĠĠ Ġread All Data Ġ= Ġrepository . read All Data ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġfun Ġadd Traffic Sign s Collection ( traffic Sign s Collection : ĠTraffic Sign s Collection ){ ĊĠĠĠĠĠĠĠ ĠviewModel Scope . launch ( Dispatch ers . IO ) Ġ{ ĊĠĠĠĠĠĠĠĠĠĠĠ Ġrepository . add Traffic Sign s Collection ( traffic Sign s Collection Ġ= Ġtraffic Sign s Collection ) ĊĠĠĠĠĠĠĠ Ġ} ĊĠĠĠ Ġ} Ċ }