How To Sync Firebase With Android Room Local Db?
I have an application that has a remote database(firebase) and local database(room). I get my data from firebase and save it in android room. Also, I use rxjava2 to do that. All posts is get from local database. Everything is okey until here. When I put new child to firebase, it doesnt appear in my application instantly. It is not put in local db. I know that I have to update my remote database every time such as every six hours. I had some researxch to do that. Work Manager and JobScheduler can be used but I dont know how to use that. Is there anyone that give me an advise?
Answer
WorkManager, part of Jetpack, is a library by Google, that handle deferrable work that requires a guaranteed execution.
You can read this blog to see if it covers your requirements. The documentation is an excellent starting point and there's a codelab that you can do to try the library itself available both in Java and Kotlin.
WorkManager uses JobScheduler when it runs on API Level 23+, for older Android versions (WorkManager supports API Level 14+) it uses AlarmManager and Broadcast receivers.
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