com.google.firebase.database VS com.firebase.client

Question

I was just thinking about what is the different between those 2 libraries

As what is the diffrenet betweent coding this:

FirebaseDatabase database = FirebaseDatabase.getInstance();
DatabaseReference myRef = database.getReference("https://....firebaseio.com/");

And this:

Firebase RootRef = new Firebase("https://....firebaseio.com/");

Also I was trying to make it more simpler by using just the com.google.firebase.database library by coding:

FirebaseDatabase RootRef =
        new FirebaseDatabase("https://.....firebaseio.com/");

And it gives me error:

Error:(18, 46) error: constructor FirebaseDatabase in class FirebaseDatabase cannot be applied to given types;
required: FirebaseApp,zzbpk,zzbpb
found: String
reason: actual and formal argument lists differ in length

Aslo on pointing to FirebaseDatabase it displays:

'FirebaseDatabase(com.google.firebase.FirebaseApp, com.google.android.gms.internal.zzbpk, com.google.android.gms.internal.zzbpb)' has private access in 'com.google.firebase.database.FirebaseDatabase'

Thanks in advance wish it be simple to readers Any Ideas ?

Frank van Puffelen · Accepted Answer · 2017-03-02 15:17:40Z

2

They're two different major versions of the Firebase SDK:

com.firebase is the 1.x or 2.x SDK as it was shipped prior to I/O 2016.
com.google.firebase is the SDK as it's been shipped since I/O 2016. Since this version is partially bundled with Google Play Services, is matches that library's version: 10.x right now, but any 9.0 or higher includes Firebase support.

Given that we're rapidly approaching I/O 2017, you should not start any new project on the 2.x SDK anymore.

To prevent getting syntax errors:

refer to the official Firebase documentation
use the migration guide if you have code that was written for the 2.x SDK
avoid using outdated tutorials

answered Mar 2, 2017 at 15:17

Frank van Puffelen

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