How to create a Dropdown in Flutter from Firebase ? | Firebase Firestore Data | Dropdownbutton

let's learn how to create a drop down button and populate data using Firebase add these two dependencies in pubspec.yaml import two packages initialize Firebase create stateful widget this client collection is using for data the name will be used for display ID is used as value stream Builder is using type query snapshot stream Firebase firestore.instance.collection client collection dot snapshots Builder function parameters context snapshot this is the drop down button syntax so we create drop-down menu items list from this snapshot declare drop down menu item list client items then check the snapshot has data if there is no data display a circular progress indicator else final client equals snapshot.data.docs to list then create a foreign Loop for retrieve each data for VAR client and clients add null check then add menu items to list client install add drop down menu item value is this ID client.id child textwidget dot display name field client name then create a drop down button and return drop down button item is our created Client List variable then on changed function parameter client value run ID is displayed this is ID then we need to keep the selected field in here is expanded false create a string variable for value string selected clients give default value 0. then create a default menu item for displaying clientitems.add drop down menu items value 0. child text widget select client then add value for drop down button selected client variable then unchanged function set state selected client equals client value then run thank you for watching

Channel: True Coders

Views: 5,132

Keywords: populate data firebase, flutter firebase dropdown, drop down flutter, drop down firebase flutter

Id: X2VRgSRvykk

Length: 6min 33sec (393 seconds)

Published: Fri Feb 24 2023