Results for “String”

setMethodCallHandler answers with success, error or notImplemented. StandardMessageCodec serializes null, bool, int, double, String, typed byte/int/float lists, List and Map automatically; anything else must be flattened into

submit, call formKey.currentState!.validate(): it runs every validator, shows the returned error strings under the fields, and returns true only when all of them returned null. Form

null, otherwise FutureBuilder keeps showing the spinner. jsonDecode returns dynamic (a Map, List, String, num, bool or null). Cast it and convert to a model class with

Learn how to write custom platform-specific code in your app. This

Encoding and serialization are the same thing—turning a data structure into a string. Decoding and deserialization are the opposite process—turning a string into

How to ensure that your Flutter app is performant. Generally, Flutter applications

internet or a database. For this example, generate a list of 10,000 Strings using the List.generate constructor. 2. Convert the data source into widgets To display

Property which encloses its string value in quotes. foundation.StringProperty StringProperty String Property class foundation

MessageCodec with UTF-8 encoded String messages. services.StringCodec StringCodec String Codec class services

Create a diagnostics property for strings. foundation.StringProperty.StringProperty.new StringProperty new String Property.new constructor foundation

Creates a MessageCodec with UTF-8 encoded String messages. services.StringCodec.StringCodec.new StringCodec new String Codec.new constructor services

string that carries a list of StringAttributes. semantics.AttributedString AttributedString Attributed String class semantics

RestorableProperty that knows how to store and restore a String. widgets.RestorableString RestorableString Restorable String class widgets

RestorableProperty that knows how to store and restore a String that is nullable. widgets.RestorableStringN RestorableStringN Restorable String N class widgets

DiagnosticsProperty for AttributedStrings, which shows a string when there are no attributes, and more details otherwise. semantics.AttributedStringProperty AttributedStringProperty Attributed String Property class semantics

Construct a ValueKey<String> with the given String. foundation.Key.Key.new Key new Key.new constructor foundation

Creates a attributed string. semantics.AttributedString.AttributedString.new AttributedString new Attributed String.new constructor semantics

lint enforces that this constructor can only be called with a string literal to match the limitations of the Dart Kernel transformer that optionally extracts out objects

lint enforces that this constructor can only be called with a string literal to match the limitations of the Dart Kernel transformer that optionally extracts out objects

lint enforces that this constructor can only be called with a string literal to match the limitations of the Dart Kernel transformer that optionally extracts out objects

string that represents one paragraph in a LicenseEntry. foundation.LicenseParagraph LicenseParagraph License Paragraph class foundation

English strings for the material widgets. material.DefaultMaterialLocalizations DefaultMaterialLocalizations Default Material Localizations class material

English strings for the Cupertino widgets. cupertino.DefaultCupertinoLocalizations DefaultCupertinoLocalizations Default Cupertino Localizations class cupertino

collection of commonly used autofill hint strings on different platforms. services.AutofillHints AutofillHints Autofill Hints class services

AssetBundle that permanently caches string and structured resources that have been fetched. services.CachingAssetBundle CachingAssetBundle Caching Asset Bundle class services

base class for providing string and DiagnosticsNode debug representations describing the properties and children of an object. foundation.DiagnosticableTree DiagnosticableTree Diagnosticable Tree class foundation

type of the RawAutocomplete callback that converts an option value to a string which can be displayed in the widget's options menu. widgets.AutocompleteOptionToString AutocompleteOptionToString Autocomplete Option

given to a FocusTraversalOrder widget to use a String to assign a lexical order to a widget subtree that is using a OrderedTraversalPolicy to define the order

Create an error message from a string. foundation.FlutterError.FlutterError.new FlutterError new Flutter Error.new constructor foundation

Wraps the given string at the given width. foundation.debugWordWrap debugWordWrap debug Word Wrap function foundation

Creates a string for a license entry paragraph. foundation.LicenseParagraph.LicenseParagraph.new LicenseParagraph new License Paragraph.new constructor foundation

Create a widget from which localizations (like translated strings) can be obtained. widgets.Localizations.Localizations.new Localizations new Localizations.new constructor widgets

Print a string representation of the currently running app. widgets.debugDumpApp debugDumpApp debug Dump App function widgets

Diagnostics containing just a string message and not a concrete name or value. foundation.DiagnosticsNode.DiagnosticsNode.message DiagnosticsNode message Diagnostics Node.message constructor foundation

mixin that helps dump string and DiagnosticsNode representations of trees. foundation.DiagnosticableTreeMixin DiagnosticableTreeMixin Diagnosticable Tree Mixin mixin foundation

Creates an OverlayPortalController, optionally with a String identifier debugLabel. widgets.OverlayPortalController.OverlayPortalController.new OverlayPortalController new Overlay Portal Controller.new constructor widgets

ReorderableListView`'s localized strings were moved from material localizations to widgets localizations. These strings were deprecated in material localizations. The `MaterialLocalizations` strings for `reorderItemToStart`, `reorderItemToEnd

Remove another `String.valueOf` (Android, by @AbdeMohlbi). String.valueOf

Remove unnecessary `String.valueOf` in `SettingsChannel.java‎` (Android, by @AbdeMohlbi). String.valueOf SettingsChannel.java

Remove unnecessary `String.valueOf` in `FlutterJNI.java` (Android, by @AbdeMohlbi). String.valueOf FlutterJNI.java

Remove unnecessary `String.valueOf` in `KeyboardManager.java` (Android, by @AbdeMohlbi). String.valueOf KeyboardManager.java

Remove unnecessary `String.valueOf` in `TextInputChannel.java` (Android, by @AbdeMohlbi). String.valueOf TextInputChannel.java

Remove unnecessary `String.valueOf` in `‎ListenableEditingState.java‎` (Android, by @AbdeMohlbi). String.valueOf ListenableEditingState.java

Clean up avoid_type_to_string suppressions (Tooling, by @mvincentong

STRING_CATALOG_GENERATE_SYMBOLS = YES;` (Tooling, by @AbdeMohlbi

ignore avoid_type_to_string lint rule (Framework, by @srawlins

api.flutter.dev` generation script: ```dart title="post_process_docs.dart" final File versionFile = File('version'); final String version = versionFile.readAsStringSync(); ``` Was updated in [172601][PR 172601] to: ```dart final File versionFile = File

Pass XcodeBasedProject instead of String to functions in XcodeProjectInterpreter (iOS, by @vashworth). XcodeBasedProject XcodeProjectInterpreter

Introduced the `RadioGroup` widget to centralize `groupValue` management and the `onChanged` callback

avoid_type_to_string lint violation (Web, by @srawlins

ignore avoid_type_to_string lint rule in flutter_tools (Tooling, by @srawlins

Impeller: Convert GLProc name field and GLErrorToString to std::string_view (Other changes, by @DEVSOG12

Device Lab ] Fix wakefulness check to only match log entries with string values (Other changes, by @bkonyi

A11y] Allow percentage strings like "50%" as `SemanticsValue` for `ProgressIndicator` (Material, by @hannah-hyj). SemanticsValue ProgressIndicator

other platforms in Web Locale.toString if the country code is an empty string (Web, by @jason-simmons

Ensure that the engine converts std::filesystem::path objects to UTF-8 strings on Windows (Windows, by @jason-simmons

Ensure that directory names are typed as strings in the CIPD package YAML file generated by merge_and_upload_debug_symbols.py (Other changes, by @jason-simmons

provides `null` to the `text` argument must be migrated to provide an empty string `''`. The `ClipboardData constructor`'s `text` argument is no longer nullable. In preparation

dart final RouteInformation myRoute = RouteInformation(uri: Uri.parse('/myroute')); ``` Code before migration: ```dart final String myPath = myRoute.location; ``` Code after migration: ```dart final String myPath = myRoute.uri.path; ``` Code before

which was introduced in `Dart 2.14`. Historically, Flutter used `describeEnum` to return a `String` description of an enum value. This became redundant when the `name` getter