flutter 插件
flutter 跑马灯 可以指定跑马灯的方向 可以传入数组，可以�是自定义的widget 可以控制跑马灯的时间间隔 控制点击事件等等
dependencies: flutter: sdk: flutter flutter_marquee: git: https://github.com/LiuC520/flutter_marquee.git
| Attribute 属性 | Description 描述 |
|---|---|
| children | 自定义的widget组件数组 |
| texts | 也可以传入 字符串数组 |
| seletedTextColor | 当前显示text的颜色，只有texts有值才生效 |
| textColor | 其他text的颜色，只有texts有值才生效 |
| duration | 跑马灯的切换时长 默认是4秒 |
| itemDuration | 单个item的动画出现�或者退出时长 默认是500毫秒 |
| autoStart | 是否自动开始动画 |
| animationDirection | 动画显示的切换方式，默认是从上往下切换: AnimationDirection.l2r、AnimationDirection.r2l、AnimationDirection.t2b、AnimationDirection.b2t |
| animateDistance | 移动的距离: 如果没有设置就是默认获取组件宽高，横向动画就是组建的宽度，纵向的就是组件的高度 |
| singleLine | 是否是单行显示: 默认是false |
| onChange | 点击事件回调: 回调的参数是跑马灯的widget的下标 |
1、首先在pubspec.yaml中添加依赖
dependencies:
flutter:
sdk: flutter
flutter_marquee:
git: https://github.com/flutter_marquee/flutter_marquee.git
import 'package:flutter_marquee/flutter_marquee.dart';
Column(
children: <Widget>[
Column(
children: <Widget>[
Text("从下到上,时间间隔6秒，传入的是字符串数组"),
Container(
margin: EdgeInsets.all(4),
height: 60,
width: 200,
decoration: BoxDecoration(
border: Border.all(width: 2, color: Colors.red),
borderRadius: BorderRadius.all(Radius.circular(8))),
child: FlutterMarquee(
texts: ["刘成", "刘成1111", "刘成2222", "刘成3333"].toList(),
onChange: (i) {
print(i);
},
duration: 4),
)
],
),
Column(
children: <Widget>[
Text("从上到下,时间间隔8秒,传入的是自定义的text widget"),
Container(
margin: EdgeInsets.all(4),
height: 60,
width: 200,
decoration: BoxDecoration(
border: Border.all(width: 2, color: Colors.red),
borderRadius: BorderRadius.all(Radius.circular(8))),
child: FlutterMarquee(
children: <Widget>[
Text(
"刘成",
style: TextStyle(color: Colors.red),
),
Text("刘成1111", style: TextStyle(color: Colors.green)),
Text("刘成2222", style: TextStyle(color: Colors.blue)),
Text("刘成3333",
style: TextStyle(color: Colors.yellow)),
],
onChange: (i) {
print(i);
},
animationDirection: AnimationDirection.t2b,
duration: 8),
)
],
),
Column(
children: <Widget>[
Text("从左到右,时间间隔2秒,自定义的view"),
Container(
margin: EdgeInsets.all(4),
height: 60,
width: 200,
decoration: BoxDecoration(
border: Border.all(width: 2, color: Colors.red),
borderRadius: BorderRadius.all(Radius.circular(8))),
child: FlutterMarquee(
children: <Widget>[
Center(
child: Row(
children: <Widget>[
Icon(Icons.menu),
Text(
"刘成",
style: TextStyle(color: Colors.green),
),
],
),
),
Center(
child: Row(
children: <Widget>[
Icon(Icons.add),
Text(
"刘成1111",
style: TextStyle(color: Colors.red),
),
],
),
),
Center(
child: Row(
children: <Widget>[
Icon(Icons.satellite),
Text(
"刘成2222",
style: TextStyle(color: Colors.blue),
),
],
),
),
Center(
child: Row(
children: <Widget>[
Icon(Icons.format_align_justify),
Text("刘成3333",
style: TextStyle(color: Colors.yellow)),
],
),
),
],
onChange: (i) {
print(i);
},
animationDirection: AnimationDirection.l2r,
duration: 2),
)
],
),
Column(
children: <Widget>[
Text("从右到左,时间间隔6秒"),
Container(
margin: EdgeInsets.all(4),
height: 60,
width: 200,
decoration: BoxDecoration(
border: Border.all(width: 2, color: Colors.red),
borderRadius: BorderRadius.all(Radius.circular(8))),
child: FlutterMarquee(
texts: ["刘成", "刘成1111", "刘成2222", "刘成3333"].toList(),
onChange: (i) {
print(i);
},
animationDirection: AnimationDirection.r2l,
duration: 6),
)
],
),