Flutter笔记

return Text.text: "https://flutterchina.color: Colors.)).

1.2.

import 'package:flutter/material.@required this.this.indicatorSize = 24.this.padding = EdgeInsets.this.this.this.this.LoadingState _state = ...

借助web_socket_channel: ^2.2.import 'package:flutter/material.import 'package:web_socket_channel/io.channel = IOWebSocketChannel.connect('wss:...

1.2.amap_flutter_map: ^3.0.3.官网的说明很混乱，经过实验。3.0.<uses-permission android:name="android.permission.<uses-permission android:name="android.perm...

trackHeight: widget.activeTrackColor: widget.sliderBackground == null ? Colors.blue : Colors.inactiveTrackColor: widget.sliderBackground == ...

import 'package:flutter/material.@required this.@required this.@required this.this.this.this.this.this.return ListView.ListView itemsView = ...

从项目中删除ios / Flutter / Flutter.framework进入ios项目目录pod install 应该生成Flutter.

//Flutter决定是否更新组件主要是判断该组件是否为dirty，setState其实就是将组建标记为dirty的过程，可以直接用该组件的的context将组件标记。const StateBuilder(this.Widget build(BuildContext contex...

1.2.canvas.drawLine(Offset(size.width / 2, size.height / 2 - (size.height * 0.3)), Offset(size.3.canvas.drawLine(Offset(size.width / 2, size...

SliderBar({this.child, this.width: size.height: size.return Container(width: size.width, height: size.height,).backgroundColor(color: Colors...

import 'package:flutter/material.this.@required this.@required this.this.this.this.this.this.this.this.this.this.this.this.this.foregroundCo...

list.final FixedExtentScrollController scrollController = FixedExtentScrollController(initialItem: list.return CupertinoPicker.childCount: l...

Model(this.key, this.

super.valueAnimation = Tween(begin: 0.0, end: 300.0).....if (status == AnimationStatus.controller2.colorAnimation = ColorTween(begin: Colors...

1. 导入 import'package:flutter/rendering.2. 结果保存在 build/start_up_info.

import 'package:flutter/material.const GestureAngleView(this.angel, this.onChanged, this.alignment:Alignment.var radian = getRadians(size.ce...

import 'package:flutter/foundation.import 'package:flutter/material.ListItemData(this.id, this.const DropInList({super.super.// list.for (in...

1.2.系统弹窗是Push一个弹窗页面进当前视图栈，当app逻辑复杂时非常混乱，同时安卓还会被返回按钮返回，难以限制。3.