Provider Pattern
Provider, ChangeNotifier, Consumer, Selector, MultiProvider, ProxyProvider
1What is the main role of the Provider package in Flutter?
What is the main role of the Provider package in Flutter?
Jawaban
Provider is a wrapper around InheritedWidget that simplifies state management in Flutter. It allows propagating data through the widget tree efficiently without manually passing data through each widget. Provider automatically handles the rebuild of widgets that depend on modified data.
2Which class must be extended to create a reactive data model with Provider?
Which class must be extended to create a reactive data model with Provider?
Jawaban
ChangeNotifier is the base class for creating reactive data models with Provider. It provides the notifyListeners() method that notifies all subscribed widgets when data changes. Widgets listening to this ChangeNotifier will be automatically rebuilt.
3How to access a Provider instance from a child widget?
How to access a Provider instance from a child widget?
Jawaban
Provider.of<T>(context) allows accessing the Provider instance of type T from any descendant widget. By default, this method creates a dependency that triggers widget rebuild on changes. This is the most direct method to access Provider data.
What is the difference between context.read<T>() and context.watch<T>()?
Which Provider widget should be used to expose multiple Providers to the widget tree?
+15 pertanyaan wawancara
Topik wawancara Flutter lainnya
Dart Basics
Dart Language Essentials
Flutter Fundamentals
Widget Lifecycle
Local Storage
Application Lifecycle
Layouts & Constraints
ListView & GridView
Navigation & Routing
Basic State Management
Networking & HTTP
JSON Serialization
Local Database
Forms & Validation
Animations
Firebase Integration
Unit Testing
Widget Testing
Build & Deployment
Package Management
Memory & Performance
Streams & RxDart
Advanced State Management
Flutter Design Patterns
Performance Optimization
Platform Channels
Custom Painting
Flutter Application Architecture
Kuasai Flutter untuk wawancara berikutnya
Akses semua pertanyaan, flashcards, tes teknis, latihan code review dan simulator wawancara.
Mulai gratis