Flutter Tutorial - Flutter Keys & Value Key

Johannes Milke explains how to use Flutter keys to preserve the state of Stateful Widgets when they move in the widget tree.

With the Flutter Value Key, you can preserve the state of Stateful Widgets while they are moving around within your Widget tree. The main Flutter Keys are ValueKey, UniqueKey, GlobalKey & ObjectKey. Click here to Subscribe to Johannes Milke: youtube.com/JohannesMilke?sub_confirmation=1 👉 12 Week Flutter Training | heyflutter.com 👉 Flutter Masterclass Courses | heyflutter.com/masterclass Source Code | github.com/JohannesMilke/key_value_example My Courses | heyflutter.com Follow Newsletter | johannesmilke.com/newsletter SUBSCRIBE HERE bit.ly/JohannesMilke SUPPORT & SPONSOR ME github.com/sponsors/JohannesMilke RESOURCES Reorderable List View Tutorial: youtube.com/watch?v=0bRv3mNCj8o GlobalKey Tutorial: youtube.com/watch?v=jlZ8GV_3nnk UniqueKey Tutorial: youtube.com/watch?v=WhnB_5yjyWQ Inherited Widget Tutorial: youtube.com/watch?v=utrvu-eow6U Drag & Drop Widgets Tutorial: youtube.com/watch?v=Bc0qB1jtHBk App Internationalization Tutorial: youtube.com/watch?v=Zw4KoorVxgg Create Flutter Project For App Stores Tutorial: youtube.com/watch?v=4f1AO-f-jYQ Detect Wife, Mobile & No Internet Tutorial: youtube.com/watch?v=_DaLGGzt8Hc Detect App Background & App Closed Tutorial: youtube.com/watch?v=JyapvlrmM24 Change App Icon Tutorial: youtube.com/watch?v=n3r2kgnqhfo Native Splash Screen Tutorial: youtube.com/watch?v=8ME8Czqc-Oc TIMELINE 0:00 Introduction Flutter Value Key 1:08 Purpose Of Value Key 1:31 Usecase: Remove Widget From List 3:06 Add Value Key 4:44 Add Value Key With Object 5:53 Usecase: Reorderable ListView 6:59 Add Value Key With Object Value SHARE | SUBSCRIBE | LIKE FOR MORE VIDEOS LIKE THIS ********* SOCIAL MEDIA: Follow Us :-) Twitter | twitter.com/HeyFlutter_ Linkedin | linkedin.com/company/heyflutter LEARN MORE SOURCE CODE | github.com/JohannesMilke ARTICLES | medium.com/@JohannesMilke PLAYLISTS All Flutter Videos | youtube.com/watch?v=3f9oqIvxNc0&list=PL1WkZqhlAdC_MPQBXUFwAH… Widgets - Flutter | youtube.com/watch?v=1nEmFuX1Cig&list=PL1WkZqhlAdC8enpcvzv_uA… Plugins - Flutter | youtube.com/watch?v=3f9oqIvxNc0&list=PL1WkZqhlAdC9shbzjQao6c… Animations - Flutter | youtube.com/watch?v=RLPZzDOPXG4&list=PL1WkZqhlAdC9pQE4nd9oAJ… Designs - Flutter | youtube.com/watch?v=aLwjk-G2Qik&list=PL1WkZqhlAdC-i3Vs_HBQw9… Firebase - Flutter | youtube.com/watch?v=IruuzPydPz4&list=PL1WkZqhlAdC9TgTee50FWi… State Management - Flutter | youtube.com/watch?v=8H3bwxxla4Y&list=PL1WkZqhlAdC-GNyxQbfn8D… CREDITS Copyright song "Corporate Technology" by scottholmesmusic.com #Flutter #Tutorial #JohannesMilke LIKE & SHARE & ACTIVATE THE BELL Thanks For Watching :-) bit.l