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flutter dart get the current timestamp
static int currentTimeMillis() {
return new DateTime.now().millisecondsSinceEpoch;
}
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Related: flutter dart get the current timestamp
Flutter
dart
inheritance
Inheritance is one of
the
three major object-oriented features, and inheritance in
dart
is almost consistent with java single inheritanceCan
[
Flutter
] Constructor in
Dart
】
flutter
doctor 报错Android license status unknown. Run `
flutter
doctor --android-licenses‘ [
Flutter
] How to create a new project and run your first
flutter
project [
Flutter
] Basic use of var, final and const in
Dart
[
Flutter
] num of
Extends inheritance operation in
Dart
learned by
Flutter
We have this inheritance operation in other languages, and also exist in
dart
, using
the
extends keyword as inheritance.
The
following is a detailed introduction to inheritance in
dart
. Inheritance
[
Flutter
] String of
Dart
data type
[
Flutter
] Basic use of var, final and const in
Dart
[
Flutter
] num of
Dart
data type 2. String 2.1 Basic Definitions String usageapostropheandDouble quotesYes,
the
test code is as follows: void stingTest(){ var a = 'jay'; var b
[
Flutter
] Classes and objects in
Dart
const in
Dart
[
Flutter
] num of
Dart
data type [
Flutter
] String of
Dart
data type [
Flutter
] Dart's data type list&Map (array and dictionary) [
Flutter
] Dart's method and arrow function [
Flutter
] Optional parameters and methods
[
Flutter
] num of
Dart
data type
29.0.2 【
Flutter
】
flutter
doctor 报错Android license status unknown. Run `
flutter
doctor --android-licenses‘ [
Flutter
] How to create a new project and run your first
flutter
project [
Flutter
] Basic use of var, final and const in
Dart
2
[
Flutter
] Anonymous functions and closures in
Dart
] Basic use of var, final and const in
Dart
[
Flutter
] num of
Dart
data type [
Flutter
] String of
Dart
data type [
Flutter
] Dart's data type list&Map (array and dictionary) [
Flutter
] Dart's method and arrow function [
Flutter
[
Flutter
]
Dart
data type Map type (create Map collection | Initialize Map collection | Traverse Map collection)
1.
Dart
data type Map type
The
Map data type in
Dart
is similar to Java, consisting of key-value pairs, key Key, value Value
[
Flutter
] Basic use of var, final and const in
Dart
1. Write in front In
the
previous article,
the
environment installation and configuration of [
Flutter
], as well as
the
solutions to some
55
Flutter
Permission_handler permission application
the
file: post_install do |installer| installer.pods_project.targets.each do |target| target.build_configurations.each do |config| ... # Here are some configurations automatically generated by
flutter
# You can
Flutter
factory keyword
use of
the
factory keyword in
dart
Factory in
flutter
(
the
only object on
the
constructor) and
the
singleton pattern There is a saying: use
the
factory keyword when you need
the
constructor to not create a new object every time
Apple Mac computer configure
flutter
development environment
Configuration Editor 4.3.1 Android Studio installs
Flutter
and
Dart
plugins 4.3.2 Visual Studio Code (VS Code) Installation foreword In recent years, in
the
field of Internet development, cross-platform development has become more and
[
Flutter
] Dart's method and arrow function
nowDartHow to represent methods and functions in
the
basic grammar of . [
Flutter
] Apple Mac computer configuration
flutter
development environment [
Flutter
] Android Studio installs a third-party emulator - Netease MuMu [
Flutter
Flutter
Dart
regular RegExp interval [A-z0-9], [\s\S], \w (two)
, underscores a-zA-Z0-9_ matches characters other than alphanumeric underscore [\w] Summarize
The
so-called inclusion is: any character in all
the
characters that need
[
Flutter
] Dart's data type list&Map (array and dictionary)
use of var, final and const in
Dart
[
Flutter
] num of
Dart
data type [
Flutter
] String of
Dart
data type 2. list list (array) existdartmiddlelistlist, which is equivalent toOCmiddleArrayarray, also divided
[
Flutter
] Dart's factory constructor & singleton object & initialization list
, final and const in
Dart
[
Flutter
] num of
Dart
data type [
Flutter
] String of
Dart
data type [
Flutter
] Dart's data type list&Map (array and dictionary) [
Flutter
] Dart's method and arrow function [
Flutter
] Optional parameters
Flutter
multiple bottom navigation bar styles
1. Bottom navigation bar (outer arc style) Implementation code: //Introduce flutter's
dart
library import 'package:flutter/material.dart
[
Flutter
] Optional parameters and methods in Dart's methods are passed as parameters
method,
the
method is passed as a parameter . [
Flutter
] Apple Mac computer configuration
flutter
development environment [
Flutter
] Android Studio installs a third-party emulator - Netease MuMu [
Flutter
] Project running error Failed
[
Flutter
] How to create a new project and run your first
flutter
project
📝【
Flutter
】Learning to develop a mind, 【Necessary knowledge for programmers】 📔 Today’s little knowledge——flutterRun
the
project in action
factory (
the
only object on
the
constructor) and singleton pattern in
flutter
Reference: Singleton Pattern in
Flutter
Use
the
factory keyword when you need
the
constructor to not create a new object each time. In