Saving Data on Android

Where to go from here?
You covered a lot in this chapter. You have seen how to write data to the Realtime 
Database, how to listen for changes in the database and how to update and delete 
data. It takes a little bit of practice to get used to working with Realtime Database so 
feel free to play a bit with the current app. To see specifics about each method, what
Saving Data on Android
Chapter 13: Reading to & Writing from Realtime Database
raywenderlich.com
230

---

it does and how it does it, you can visit the official Firebase documentation to find 
out.
WhatsUp
 app works great for now, but what if you were using it in a place where the 
Internet connection is bad? What if you started uploading data and you lost internet 
connection in the process? Can you write data to the database if you're offline? The 
good news is that Realtime Database provides great offline support. In Chapter 14, 
"Realtime Database offline capabilities" you'll learn how Firebase handles all of the 
mentioned cases. You'll make your 
WhatsUp
 app to work seamlessly offline and 
you'll learn what happens under the hood that makes that possible.
Saving Data on Android
Chapter 13: Reading to & Writing from Realtime Database
raywenderlich.com
231

---