Saving Data on Android

Where to go from here?
In this chapter, you learned the basics of the Cloud Firestore's 
Security rules
. Your 
WhatsUp
 app now only allows authenticated users to access the data.
To learn more about writing conditions, structuring and testing Security rules check 
out the official guidelines 
https://firebase.google.com/docs/firestore/security/rules-
structure
Saving Data on Android
Chapter 19: Securing Data in Cloud Firestore
raywenderlich.com
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20
Chapter 20: Cloud Storage
By Dean Djermanović
With Realtime Database and Cloud Firestore you saved data to the database. But 
what about files like photos, for example? While small pieces of data like posts, 
comments or users tend to be just a few kilobytes of text, photos are much larger. 
You don't want to store photos in a database because it should be fast; storing and 
retrieving photos would extend both the startup time and loading time when reading 
the database.
In this chapter, you'll learn how to store media files using another Firebase feature — 
Cloud Storage
. You'll learn how to store an image to the cloud and how to get a URL 
to the image to display it in your app.
Note
: If you skipped previous chapters, you need to setup Firebase to follow 
along. Do the following steps:
1. Create a project in the Firebase console.
2. Enable Google sign-in.
3. Set security rules to the test mode to allow everyone