简介
最近花了两天时间研究使用flutter开发一个抖音国际版. 个人感觉使用flutter开发app快得不要不要的额. 两天就基本可以开发个大概出来. 最主要是热重载，太方便实时调整ui布局了. 相应速度极快. 如下图：
主要项目架构
详细说明一下，开发主要在lib文件夹
功能介绍
主要的依赖组件，请使用国内镜像下载，切记切记！！！！
flutter: sdk: flutter flutter_svg: ^0.17.4 # the following adds the cupertino icons font to your application. # use with the cupertinoicons class for ios style icons. cupertino_icons: ^0.1.3 cached_network_image: ^2.2.0 json_annotation: ^3.0.1 font_awesome_flutter: ^8.8.1 http: ^0.12.0+4 provider: ^4.0.4 avatar_glow: any getflutter: ^1.0.11 flutter_money_formatter: ^0.8.3 video_player: ^0.10.8+1 dio: ^3.0.9 dio_cookie_manager: ^1.0.0
包含字体文件，主要为抖音自带的字体文件
我要评论
import 'package:flutter/widgets.dart';
class douyinicons {
douyinicons._();
static const _kfontfam = 'douyinicons';
static const icondata chat_bubble =
const icondata(0xe808, fontfamily: _kfontfam);
static const icondata create = const icondata(0xe809, fontfamily: _kfontfam);
static const icondata heart = const icondata(0xe80a, fontfamily: _kfontfam);
static const icondata home = const icondata(0xe80b, fontfamily: _kfontfam);
static const icondata messages =
const icondata(0xe80c, fontfamily: _kfontfam);
static const icondata profile = const icondata(0xe80d, fontfamily: _kfontfam);
static const icondata reply = const icondata(0xe80e, fontfamily: _kfontfam);
static const icondata search = const icondata(0xe80f, fontfamily: _kfontfam);
}
此次采用flutter开发安卓、ios等 app确实方便，主要为将tiktok的数据使用http下载下来.
import 'package:http/http.dart' as http;
class requestcontroller {
static string host = "https://www.tiktok.com/";
string url = host +
"/share/item/list?secuid=&id=&type=5&count=30&mincursor=0&maxcursor=0&shareuid=&lang=en&_signature=pkb.ogageb9imosqahoqjksm.raapox";
future<string> getcookie() async {
try {
var response = await http.get(host + "/share/item/");
return response.headers["set-cookie"];
} catch (e) {
return "error";
}
}
model层
主要为实体层，解析json后绑定数据以及传递数据
class tiktok {
int statuecode;
body body;
object errmsg;
tiktok({this.statuecode, this.body, this.errmsg});
tiktok.fromjson(map<string, dynamic> json) {
statuecode = json['statuscode'];
body = json['body'] != null ? new body.fromjson(json['body']) : null;
errmsg = json['errmsg'];
}
map<string, dynamic> tojson() {
final map<string, dynamic> data = new map<string, dynamic>();
data['statuscode'] = this.statuecode;
if (this.body != null) {
data['body'] = this.body.tojson();
}
data['errmsg'] = this.errmsg;
return data;
}
}
视图层
另外屏幕层主要包含三个，homescreen，trendingscreen，以及显示videoscreen
import 'package:flutter/material.dart';
import 'package:flutter_app/screens/trendingscreen.dart';
import 'package:flutter_app/widgets/bottom_toolbar.dart';
class home extends statefulwidget {
@override
homestate createstate() => homestate();
}
class homestate extends state<home> {
int currentindex = 0;
pagecontroller pagecontroller;
@override
widget build(buildcontext context) {
return scaffold(
body: pageview(
controller: pagecontroller,
children: <widget>[
trending(),
],
onpagechanged: (int index) {
setstate(() {
currentindex = index;
});
},
),
bottomnavigationbar: bottomitems(currentindex, pagecontroller),
);
}
}
tending层，主要包含读取抖音的api，将api转化成实体对象，绑定数据到videoscreen页面
import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:flutter/cupertino.dart';
import 'package:getflutter/getflutter.dart';
import 'package:flutter_app/config/api.dart';
import 'package:flutter_app/models/tiktok.dart';
import 'package:http/http.dart' as http;
import 'package:flutter_app/screens/videoscreen.dart';
class trending extends statefulwidget {
_trendingstate createstate() => _trendingstate();
}
class _trendingstate extends state<trending> {
pagecontroller pagecontroller;
buildcontext context;
requestcontroller api = requestcontroller();
list<widget> videos = [];
gettrending() async {
var cookies = await api.getcookie();
api.setcookie(cookies);
try {
var response = await http.get(
api.url,
headers: api.headers,
);
tiktok tiktok = tiktok.fromjson(jsondecode(response.body));
tiktok.body.itemlistdata.foreach(
(item) {
setstate(() {
videos.add(videoitem(data: item));
});
},
);
} catch (ex) {
simpledialog(
title: text('hot videos list is empty'),
);
print(ex);
}
}
@override
void initstate() {
super.initstate();
gettrending();
}
@override
widget build(buildcontext context) {
context = context;
return pageview(
scrolldirection: axis.vertical,
controller: pagecontroller,
children: videos.length == 0
? <widget>[
container(
color: colors.black,
child: center(
child: gfloader(
type: gfloadertype.circle,
loadercolorone: colors.blueaccent,
loadercolortwo: colors.white,
loadercolorthree: colors.pink,
),
),
)
]
: videos,
);
}
}
videoscreen主要为绑定数据. 展示抖音的视频
import 'package:flutter/material.dart';
import 'package:flutter_app/models/tiktok.dart';
import 'package:flutter_app/widgets/video_description.dart';
import 'package:flutter_app/widgets/actions_toolbar.dart';
import 'package:flutter_app/widgets/player.dart';
class videoitem extends statelesswidget {
final itemlistdata data;
const videoitem({@required this.data});
@override
widget build(buildcontext context) {
return scaffold(
body: stack(
children: <widget>[
douyinvideoplayer(
url: data.iteminfos.video.urls[0],
),
title(),
videodescription(
description: data.iteminfos.text,
musicname: data.musicinfos.musicname,
authorname: data.musicinfos.authorname,
username: data.authorinfos.uniqueid,
),
actionstoolbar(
comments: data.iteminfos.commentcount.tostring(),
userimg: data.authorinfos.covers[0],
favorite: data.iteminfos.diggcount,
coverimg: data.musicinfos.covers[0],
),
],
),
);
}
widget title() => align(
alignment: alignment.topcenter,
child: padding(
padding: edgeinsets.symmetric(vertical: 28.0),
child: text(
"trending | for you",
style: textstyle(color: colors.white, fontsize: 19.0),
),
),
);
}
此次开发主要时间用在搭建flutter环境上，切记使用国内镜像，另外调式需要配合代理即可。
其他待完成的包含底部的导航页面，打算花两天时间把剩余的完成.
各位感兴趣的可以到我的github上点一下star. 留言可以教你们开发以及搭建dart环境. 地址:https://github.com/wangcharlie/douyin
总结
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