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.

📝Mapping values are not allowed here. Did you miss a colon earlier?
📝SharedPreferences.getInstance() is throwing _CastError (Null check operator used on a null value)
📝Flutter: Live TV channel steaming problem
📝How to print to a thermal printer from Canvas to image?
📝Future.wait() - Get the Successful Responses Anyway
📝Is there anyway can I solve the images issues printing out on pos system via flutter?
📝How to do this for Firebase in Flutter
📝authStateChanges only work if in debug mode
📝Begginer in Flutter trying to use FireBase auth
📝How to remove persistent bottom navigation bar from some specific routes?
📝Flutter: animate appbar color with bottomnavigationbar
📝Flutter Bloc Stream Listen not listening to state change
📝Unable to change image size in dart
📝The getter 'length' was called on null flutter?
📝Flutter: Can I Disable GoogleMap Camera Move?
📝How to pass data from alert dialog to same page in flutter
📝AudioCache player wont play with delays
📝How to fix an app bar that is not center in flutter
📝Cloud Firebase list reversal
📝How to create a Notched Shape in flutter
📝What do you call this type of notification(?) and is it available in Flutter?
📝How to implement a SingleChildScrollView(with horizontal listview and vertical gridview) inside a TabBarView
📝Convert Json Array to List<Object> in Flutter
📝Retrieve image from database with PHP and use in Flutter project (in Dart)
📝how to get a double value out of a string in dart?
📝Flutter show data and change it on click
📝CachedNetwork Image - No host specified in URI
📝How to define its type when instantiate ``` typedef Widget SuccessCallback<T>(T data);```
📝How to retrieve current user data from firebase?
📝How can I add a Widget that is at the bottom of the page and Scrollable with ListView?
📝Flutter Error: "cm", The argument type ,ContextModel can't be assigned to the parameter type 'ContextModel
📝Handling null file from image_picker in image_cropper flutter?
📝Unable to display Tabview in TabBar, and link the content
📝Having problem w/ flutter mobx RadioListTile
📝can't load iap products in local, it waits forever
📝SliverGrid grid cells are rectangular and not squares and am not sure why
📝Flutter Hero Creates Duplicate Text
📝How to pick date format in Flutter based on user preferences
📝How to access flutter Shared preferences on the android end (using java)
📝Flutter Cubit After state change my variable resets
📝In android/app/build.gradle - following errors occur: following errors occur, following errors occur, following errors occur! How to fix?
📝Convert a UInt8List to Image in flutter/dart-ui
📝Sign in button firebase
📝Flutter rebuilds after keyboard opens/closes
📝Error in Flutter .DexArchiveMergerException
📝How to show a SnackBar in callback onEvent of EventChannel.listen
📝Build failed on nfc_in_flutter after upgrade
📝How to Fix problem child is'nt defined in drawer flutter
📝Text field not taking values immediately after 1 tap in flutter. What is the problem?
📝DropdownButton Widget in flutter not accepting numbers in quotation
📝BlocProvider.of() called with a context that does not contain a Cubit of type CounterBloc
📝Restrict user to use only network provided time
📝Locale matching in dart / flutter?
📝How to pass from an android activity to flutter?
📝How to properly filter two lists that are related by id field in Flutter? And how to put it in widget navigation? Not search bar
📝Position menu in maps
📝How to implement inheritance in dart?
📝How to create this type of in app rating directly from play store in flutter?
📝Flutter Tab Bar Indicator: How to change the vertical position of the indicator?
📝How to set 0 or null value from api to Model class in Flutter
📝How to split the string based on particulat charactor in Dart | Flutter
📝Error: The argument type 'TextEditingController' can't be assigned to the parameter type 'String'.in FLUTTER
📝What is Default animation duration and curve of PageView swipe Animation?
📝Exception caught by image resource service, The following assertion was thrown resolving an image codec:
📝How do you give a CircleAvatar multiple border colors in Flutter?
📝How do I get data from multiple documents with StreamBuilder?
📝this error appeared after build - Null check operator used on a null value
📝How to move ListView up/down after adding via builder
📝Show user-friendly error page instead of exception in Flutter
📝Error says cocoapods is not installed after installation
📝How to tell a StreamBuilder that I'm retrying to load data after an error
📝How to build ios .ipa file from xcode?
📝Show transparent dialog in flutter
📝Filtered firebase-calls in one method, filtered by named arguments don't work -> wrong type of variable?
📝_CastError (type '_CompactIterable<dynamic>' is not a subtype of type 'List<dynamic>' in type cast)
📝How to listen for changes(or get stream) from nested sub collections?
📝When to close HTTP Client in Flutter app?
📝Instance members can't be accessed from a static method
📝Flutter where i can find the orange thing in this code please
📝Storage data from StreamBuilder
📝Flutter google places language besides suggestions wrong
📝Not applicable for the main.dart configuration
📝Flutter files creation Error: (OS Error: Operation not permitted, errno = 1)
📝How to add a Password input type in flutter makes the password user input is not visible , just like Android Native EditText 's inputtype:password?
📝How can i send notification with firebase in app
📝Container click bug
📝How to fix Flutter 'Text Editing Controller used after being disposed' error in Stepper widget
📝FLUTTER: url_launcher library and Android Package Visibility error
📝How do I get all the data in a collection in flutter firestore and display it on the screen?
📝Flutter Push Notification onLaunch call infinitely
📝Instance member 'reload' can't be accessed using static access
📝Line chart animation : Show legend on line itself
📝How can I focus a TextField without showing the keyboard?
📝Problem with Flutter fastlane with flavors
📝why flutter give me url null in url launcher?
📝I am having trouble iterating through an array of objects
📝Flutter: type '(dynamic) => Text' is not a subtype of type '(DateTime) => String'
📝Light leaks effect with Flutter
📝Flutter FireStore query get document 's collection
📝Flutter Audioplayers delay
📝How to correctly set height for the list view
📝Flutter build iOS FAILED
📝Flutter, testing future that throws an Error makes the test unloadable
📝how do we get specific json object list in flutter
📝How can I remove duplicate list then get the latest ID?
📝Flutter merge array if they are duplicated
📝How can I build a chip input field in Flutter?
📝why is the null-check of an outer variable isn't enough in dart?
📝FLUTTER: How to remove the gridview cells background?
📝How to prevent subtree with callback from rerendering in Flutter?
📝How to write Text in custom Paint using Paint() in flutter
📝Different between Provider and ChangeNotifierProvider
📝Checking isEmpty data in flutter GridView.builder
📝Hot reload throws error when SingleTickerProviderStateMixin is used #42054
📝Flutter store Provider Value in variable to reuse it while listening
📝The following ArgumentError was thrown building Home(dirty, state: _HomeState#3752d): Invalid argument(s)
📝Flutter web debug is working but build web shows a blank page
📝How to create Header/Footer/Main layout in Flutter
📝Flutter: Get information from scanned barcode number and using php
📝Flutter: build_runner build command runs indefinitely
📝How to reset an animation in specific offset, when animation status is forwarding?
📝Custom Grid Menu with 3 Pages in Flutter
📝Error: A value of type 'Future<Widget>' can't be assigned to a variable of type 'Widget' flutter
📝Flutter - 'the property 'settings' can't be unconditionally accessed because the receiver can be 'null''
📝Add new Text Field dynamically on Submit event
📝Can't link flutter web application to firebase project / infinite loading
📝Replace only children when calling Navigator.of(context).push()
📝Flutter always running pub upgrade every time i cold start(as well as git error showning in cmd and run window)
📝Wait taking data from one widget to other one appear
📝Flutter ListView.Builder results in choppy scrolling. How do I make the scrolling smooth?
📝Flutter FCM CastMap<dynamic, dynamic, String, dynamic>
📝Building widget with data from firebase in flutter returning empty widget
📝Is there a way to call specific code right before the app is killed or moves to the background?
📝Building a Card with Images problem with overflow
📝how to make customize app bar in flutter like in this image
📝flutter weather api is'nt work the snapshot.data is showing error
📝How to regroup JSON to match data types in Flutter?
📝How to download video from url into internal storage of phone in flutter?
📝Flutter - Navigator.push value to list
📝Access multiple fields from Selector (when using Provider state management in Flutter)?
📝Efficiency way use implicit subclass in Dart - OOP Polymorphism
📝Flutter: How to use MaterialStateProperty to set ElevatedButton's minimumWidth?
📝How to calculate size of children
📝Cannot Create Flutter Project in Android Studio due to missing pubspec.yaml
📝Getting a document from Firestore results in "The method 'data' was called on null. Receiver: null Tried calling: data())"
📝Flutter android_alarm_manager plugin can't pass a parameter to a callback function
📝flutter TweenAnimationBuilder is not working
📝Unhandled Exception: The getter 'name' was called on null
📝Assertion error when selecting item in DropdownButton
📝Flutter-Backendless User Login __ How to Validate User Credentials (Email and Password) to move from Login Page to Home Page

 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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