Saving Data on Android

read
 and 
write
 access.
4. Add 
google-service.json
 to both 
starter
 and 
final
 projects.
To see how to do this, go back to Chapter 11: Firebase overview and Chapter
raywenderlich.com
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12: Introduction to Firebase Realtime Database.
Reading and wri/ng data
Open starter project, and build and run your app. If this is the first time you're 
running this app you'll need to sign in first in order to use it. To sign in, tap the 
Sign 
in with Google
 button and follow the steps on the screen. Next, click on the floating 
action button. A new screen opens where you can write your post. Write something 
and click on the 
Post
 button:
As you can see nothing happens yet. You'll add the logic for saving the post to the 
database.