徐州网站建设优化,百度推广管理平台登录,企业sns网站需求,小说网站怎么做空间小demo 地址: https://github.com/iotjin/jh_flutter_demo 代码不定时更新#xff0c;请前往github查看最新代码 波浪动画三方库wave lottie动画 Lottie 是 Airbnb 开发的一款能够为原生应用添加动画效果的开源工具。具有丰富的动画效果和交互功能。 # 波浪动画 https://pub-web… demo 地址: https://github.com/iotjin/jh_flutter_demo 代码不定时更新请前往github查看最新代码 波浪动画三方库wave lottie动画 Lottie 是 Airbnb 开发的一款能够为原生应用添加动画效果的开源工具。具有丰富的动画效果和交互功能。 # 波浪动画 https://pub-web.flutter-io.cn/packages/wavewave: ^0.2.2# lottie动画 https://pub-web.flutter-io.cn/packages/lottielottie: ^2.4.0效果图 波浪动画示例
class WavePage extends StatelessWidget {const WavePage({Key? key}) : super(key: key);overrideWidget build(BuildContext context) {return Scaffold(appBar: const BaseAppBar(波浪动画),body: _body(),);}_body() {const backgroundColor Color(0xFFF15BB5);const colors [Color(0xFFFEE440), Color(0xFF00BBF9)];const durations [3000, 6000];const heightPercentages [0.65, 0.66];var waveView WaveWidget(config: CustomConfig(colors: colors,durations: durations,heightPercentages: heightPercentages,),backgroundColor: backgroundColor,size: const Size(double.infinity, double.infinity),waveAmplitude: 0,);return waveView;}
}lottie动画示例 需要先准备好加载动画文件将预先准备好的Lottie动画文件(.json格式)放入flutter项目的资源目录中。可以从Lottie官网下载或创建自定义动画文件。 然后使用 Lottie.asset(assets/xxx.json)加载Widget import package:flutter/material.dart;
import package:lottie/lottie.dart;
import /project/configs/project_config.dart;class LottiePage extends StatefulWidget {const LottiePage({Key? key}) : super(key: key);overrideStateLottiePage createState() _LottiePageState();
}class _LottiePageState extends StateLottiePage with TickerProviderStateMixin {late AnimationController _animationController1;late AnimationController _animationController2;overridevoid initState() {// TODO: implement initStatesuper.initState();_init();}_init() {_animationController1 AnimationController(vsync: this, duration: const Duration(seconds: 1));_animationController2 AnimationController(vsync: this, duration: const Duration(seconds: 1));}_startAnimation1() {_animationController1..reset()..forward();}_startAnimation2() {_animationController2..reset()..forward();}overrideWidget build(BuildContext context) {return Scaffold(appBar: const BaseAppBar(Lottie 动画),body: _body(),);}_body() {return ListView(children: [// Load a Lottie file from your assetsRow(mainAxisAlignment: MainAxisAlignment.center,children: [Lottie.asset(assets/lottie/首页.json, width: 50, height: 50),Lottie.asset(assets/lottie/星球.json, width: 65, height: 65),],),Row(mainAxisAlignment: MainAxisAlignment.center,children: [GestureDetector(onTap: () _startAnimation1(),child: Lottie.asset(assets/lottie/首页.json,width: 50,height: 50,controller: _animationController1,onLoaded: (composition) _startAnimation1(),),),GestureDetector(onTap: () _startAnimation2(),child: Lottie.asset(assets/lottie/星球.json,width: 65,height: 65,controller: _animationController2,onLoaded: (composition) _startAnimation2(),),),],),Lottie.asset(assets/lottie/Aniki Hamster.json, height: 200),// Load a Lottie file from a remote urlLottie.network(https://assets5.lottiefiles.com/packages/lf20_0LNPii4uOv.json),],);}
}
