flutter-examples

Flutter coding examples offer a complete insight into Flutter with ample examples and coding solution with many questions and answer article that helps you learn Flutter quickly with the basics of the Flutter framework, installation of Flutter SDK, and setting up Android Studio to develop the Flutter application.

📝Flutter - named parameters aren't defined according to pub.dartlang.org, but the package works
📝How to initialize List/Map in a constructor?
📝Geolocator package is not working, Flutter
📝Bounce ListView only bottom
📝Simple Flutter Slide Left Animation?
📝Flutter Navigator.replace() example
📝Flutter (iOS) app start and stops with crash
📝Change state with StateProvider to change background image
📝Flutter fromJson with integer / num having problem
📝I am getting findAncestorStateOfType error in flutter . What should I do about this? I am stuck here
📝Nested child key query in FirebaseAnimatedList
📝Flutter Web--Location permission does not work on Safari(Mac & iOS)
📝How to stop Asset Audio Player(assets_audio_player package) ,while navigate to next page
📝How do I style appbar in this way?
📝How to get data from firestore and refresh the state automatically without click in flutter
📝fetching user data from firebase and storing it in static variables
📝Error: The getter 'length' was called on null
📝Class 'Timestamp' has no instance method 'isAfter' Flutter
📝Flutter how to create a list from a json data
📝The getter 'bodyText2' isn't defined for the class 'TextTheme' in flutter
📝Use Http Proxy in Flutter
📝The operand can't be null, so the condition is always true. Remove the condition
📝NoSuchMethodError: The getter 'dlongitude' was called on null
📝SingleChildScrollView inside Row
📝Why is my star system isnt work in flutter
📝How does this Flutter constructor call work?
📝How to print empty when ListView is empty? (Flutter)
📝Flutter integrate iOs SCrypto into podfile
📝Flutter method channel & Facebook AppEventLogger
📝Dart: Load an html file into a Flutter Webview
📝Add card widget after pressing a button
📝Firebase missing initial state on auth request
📝Exception: type 'Image' is not a subtype of type 'File?'
📝Flutter: How to trigger a bloc event in the controller?
📝flutter_test framework TypeMatcher is Depreciated
📝Set keyboard cursor at the end of text ios Flutter
📝Keep dropdown open when active checkbox
📝how to update table in sqflite with flutter
📝Android Facebook Flutter login crashes app
📝Login Page is sending me to Home Page when i press system back button and without loggin
📝Firestore determine data field value performance in between a date range and combine it with others
📝why im getting this error in my code function returned null?
📝How to get the type of something in Dart?
📝Encrypt with flutter/dart and decrypt aes with CryptoJS returns empty string
📝Make a list from http responsebody in flutter
📝Flutter - Remove default padding in Slider
📝Flutter app crashes on real device after migrating to embedding v2
📝How can I make a scrollable wrapping view with Flutter?
📝I can't switch pages on the Flutter
📝How do I modify the package in flutterfire?
📝ChangeNotifier wrap class around each instance of a model
📝In Flutter: Is it possible to use a Future<bool> be used as a property in another widget?
📝Missing or insufficient permissions in firebase even after login
📝How to add tutorial to a flutter app when we launch it for the first time
📝Error " Your Android App Bundle is signed with the wrong key. " While trying to upload the app to google play for first time
📝I need to separate the API initialization in a general place, then the rest of pages use the same instance
📝Left Align the labelText of FormBuilderTextField in Flutter
📝Firebase Cloud Firestore Social network database design
📝Showing Snackbar using GetX Library
📝Android Studio, Flutter Doctor, Plugins not installed
📝Why doesn't Switch in Flutter change value when I tap it but only on drag?
📝Call Function From Another Flutter Class
📝How to run animation backwards when its finished
📝Flutter: Unit Testing a Cubit issues
📝Saving Stripe's secret key in your flutter app
📝Flutter push notifications using Socket IO and NodeJS Backend, is it Possible?
📝Display time on TextField from TimePicker in Flutter
📝Making changes to the db (firebase) app crashes
📝Flutter how to pass parameters to other screen
📝Flutter: CustomPainter difficulties with offset determination
📝AudioService flutter package error when compiling
📝Facing Unhandled Exception: Exception: No Internet connection in Flutter
📝can I use multiple repositories in flutter bloc pattern
📝How to animate Alert dialog position in Flutter?
📝for loop showing RangeError flutter
📝Too many positional arguments: 0 expected, but 6 found flutter
📝Flutter - How to fix text overflow in a card?
📝How do I mock a bloc in Flutter, with states being emitted in response to events from a widget under test
📝Can't align a text vertically in a container in flutter
📝Flutter Shared Preferences Android alarm manager plus not getting the latest value
📝Invalid date format [Flutter]
📝Flutter app failed to build due to Google firestore
📝Deleting item from Flutters ListView removes the last widget only
📝Flutter: Do FutureBuilder Loads everything at the same time?
📝Xcode 11 apple distribution accepted but impossible to build with flutter
📝Error : Unhandled Exception: type '_InternalLinkedHashMap<String, dynamic>' is not a subtype of type 'Iterable<dynamic>'
📝Using Google Maps Step by Step Navigation inside Flutter app
📝Flutter MissingPluginException(No implementation found for method loadInterstitialAd on channel plugins.flutter.io/firebase_admob)
📝Flutter iOS hot restart crash [__NSCFString setStreamHandler:]: unrecognized selector
📝A value of type 'Object?' can't be assigned to a variable of type 'bool'
📝Deleting document from cloud_firestore in flutter
📝Detect collision with bottom of screen in Flame Engine?
📝flutter post request to server with file
📝Flutter dropdown button text overflow
📝Add files to build directory in Flutter
📝Problem Import Flutter Project to Android Studio
📝Open specific pages on cards
📝Expanded widget causing overflow of other widget
📝How to remove gaps between widgets in a column?
📝How can I search a list of classes for a specific property of the class?
📝RevenueCat storeProblem when trying to purchase product
📝Flutter 2.5 cannot recognise sdkmmnager, although everything was fine before upgrading
📝Adding both vertical and horizontal scrolling to ListView
📝Flutter FCM on iOS not calling onMessage and onResume
📝Not able to pass dynamic query parameters in dynamic links of my app
📝How to properly sort list by another list in Dart
📝Flutter/Dart - Print output of all child processes to stdout
📝How to remove debug banner inside bloc provider
📝?The application is working but there is an error in firebase_auth and firebase_core_web
📝Flutter mailer is sending duplicate emails, two at the same time
📝Timer.periodic flutter,
📝How to set the orientation of the PageView to the left?
📝How to reset File type variable in dart / flutter with NULL Safety?
📝Can not work the build "flutter build apk" command, But "flutter build ios" can work
📝In Flutter Mockito BlocTest not finding Initial State
📝join and count query in flutter sqflite
📝Is Dart/Flutter has a listener function?
📝How to display different different data form in Json response?
📝flutter pub run build_runner build not working
📝How to detect if same user signin from another android device?
📝Integrate MongoDB with Firebase
📝Flutter - get value in ListView text to paste on TextField on another dart file
📝List.generate The getter 'length' was called on null. Receiver: null Tried calling: length
📝String.format java method equivalent in dart
📝Some Problems In Flutter Firebase Login
📝No MediaQuery widget ancestor found
📝how to use API on flutter
📝How to query data from collectionGroups in Firestore with Flutter
📝check Box in drop down list flutter
📝How do i use the startAfter() for getting the data after the last document in the list?
📝How to turn BroadcastReceiver into StreamHandler while writing native plugin?
📝What I have to do if stream in StreamBuilder return null?
📝What is the proper way to update / create list collection data togehter along wih other field in firestore database?
📝Push Notification received but not displayed (Flutter / Dart)
📝Flutter Image Compress giving result as null
📝Flutter, how to change listview item size?
📝How to fix a diagnostic error in flutter?
📝Flutter - setState() does not update list in widget
📝How to create a modal bottom sheet which opens from the right side and only shows 80% of it's width
📝Check if a field exists in a document snapshot firestore
📝how to get subcollection from a firebase document snapshot
📝Flutter await Provider to be ready inside multiprovider
📝How to set Bytes data in firebase using flutter?
📝Fix errors related to platform_strong.dill
📝How to listen to the Flutter in-app web browser?
📝Flutter: Read File fails at the first time but works after Hot reload
📝How can I hide the AppBar back button based on the platform?
📝How to parse a complex(nested) object to JSON and send it to server using HTTP in flutter?
📝Why http.post() response body is not fully printed? Does it related to NoSuchMethodError?
📝Adding new ListTile item on click

 Whenever we create a new mobile app, we will always keep in mind that it can run on both Android and iOS. As you would know right now we have two operating systems, one is Android and the other is iOS, Android apps are mostly built using JAVA or Kotlin, and iOS apps are built using Swift or Objective C programming language. In this way, if we are making an app for Android and iOS platforms, then the code has to be written twice, Once for Android and once again for iOS.

The solution to this problem is Flutter, in Flutter you just have to write the code once and you can run it on both Android and iOS, Flutter is a UI toolkit using which you can easily create beautiful and fast applications from one code to mobile, web, desktop. 

It is absolutely free and open-source. Flutter is mainly a Mobile App Development Framework.

Flutter is mainly a Mobile App Development Framework. Which is developed by Google company. It also supports Cross-Platform. Flutter was first introduced in May 2017. This is a Software Development Kit for Mobile App Development.

Cross-Platform development tool means that with its help you can create an application that works on every platform, ie Android, IOS, Web, Desktop, with just one code. This makes the work of developers a little easier.


Flutter is not difficult to learn, it is very easy to learn, and it allows you to create applications very easily. So let us know from where we can learn this.

If you want, you can also do it for free and it can be learned even by investing money. If we talk about learning for free, then you can learn it absolutely free on Youtube. You will find many tutorials here, seeing which you can easily learn.

Another way to learn this is Udemy, it is a kind of website or you can also call it an App. Most such courses are available on this website. You can also try their Paid Course from here, it will be beneficial that you will also get a certificate of a course from here.

Another best way to learn Flutter, which is through Flutter's own Official Documentation ie its own official website flutter. dev, from here you can easily learn Flutter by reading its documentation.

Flutter is mostly used to build Android and iOS apps. As you know that this is a cross-platform framework, in which you can create apps from one codebase for both, one for Android and the other for iOS.

Features of Flutter

    Open Source: As you know, Flutter is a free and open-source framework.

    Hot Reload: This means that whenever some changes are made in an application, its result shows up only. This is a very good feature and the developers also get a lot of help in fixing the bug.

    Cross-Platform: This feature helps in such a way that we do not have to write different codes, again and again, only one code can be used for applications like mobile, web, and desktop.

    Minimal Code: The flutter app is created from Dart Programming, in which JIT and AOT Compilation Feature are used to increase performance time and to improve startup time, and functioning.

    Widgets: Widgets are also a feature in the Flutter Framework, with the help of which Customizable Designs can be created. There are two types of Flutter in this, one is Material Widgets and the other is Cupertino Widgets. Both of these help in creating glitch-free applications for all the platforms.

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