Flutter - Firestore Tutorial (CRUD) Part 1 - Setup Firestore database and perform read operation

In this tutorial we will learn to integrate Firestore database in our flutter applications to provide dynamic content to our users. In this first part we will integrate the plugin, setup the Firestore database and perform read operation.
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Let's get connected

[muhammadhafizi]

I have a question here i want to add search, the search will get data from collection then display the sub collection just like u do

[penielngeleka]

How to fecth data of my subcollection Firestore ?

[entech]

You have done great work. I am in intermediate level and what i felt is you should have explained about Singleton and initialization in firestore_service.dart. Rest everything is awesome.

[SapanKumarDas]

I/flutter (23965): [core/no-app] No Firebase App '[DEFAULT]' has been created - call Firebase.initializeApp()

how to resolve the Error? could you help me please?

[ebrahimkassem]

please explain what each line do, because i'm a beginner and i can't understand the code well.

[tokecangnet]

I am new in flutter. Your tutorial help me so much. I still don't understand about factory constructor. Why you use it in the firestore services class?

[azharraeisi]

The following NoSuchMethodError was thrown building StreamBuilder<List<OrderModel>>(dirty, state: _StreamBuilderBaseState<List<OrderModel>,
The getter 'length' was called on null.
Receiver: null
Tried calling: length

[vivekjunghamal]

Brother ! Search query ko lagi on pre built list ko lagi
k garnu parcha! Please make a video on this!