After reading this blog, we will be able to Data Recovery from Firebase Realtime Database. This data can include simple data types, such as strings, or complex data types, such as Java objects.
We need to have an Android Studio project and a Firebase project to be able to use the Firebase real time Data Recovery. Create a new Android Studio project (or use any existing project). This Android Studio project will be used to work with the real time database.
Before fetching referrals, you will need to understand what a Firebase referral is. A Firebase reference points to a location in the Firebase database where data is stored.
Even if you create multiple referrals, they all share the same connection provided you used the same path when creating the referral from the DB instance.
First, we need to have an instance of the firebase database to be able to use it. The instance can be created by the following line of code.
It is now necessary to create references of the paths where the Wikipedia data is stored in the database. Since Firebase database data is stored in JSON format, the keys of the JSON object are the paths specified in the references.