flutter跑馬燈

劉成發表於2018-12-06

flutter_marquee

flutter 外掛

flutter 跑馬燈 可以指定跑馬燈的方向 可以傳入陣列,可以是自定義的widget 可以控制跑馬燈的時間間隔 控制點選事件等等

效果圖

QQ20181206-234225.gif

git

github.com/LiuC520/flu…

引入:

dependencies:
  flutter:
    sdk: flutter
  flutter_marquee:
    git: https://github.com/LiuC520/flutter_marquee.git
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屬性

Attribute 屬性 Description 描述
children 自定義的widget元件陣列
texts 也可以傳入 字串陣列
seletedTextColor 當前顯示text的顏色,只有texts有值才生效
textColor 其他text的顏色,只有texts有值才生效
duration 跑馬燈的切換時長 預設是4秒
itemDuration 單個item的動畫出現或者退出時長 預設是500毫秒
autoStart 是否自動開始動畫
animationDirection 動畫顯示的切換方式,預設是從上往下切換: AnimationDirection.l2r、AnimationDirection.r2l、AnimationDirection.t2b、AnimationDirection.b2t
animateDistance 移動的距離: 如果沒有設定就是預設獲取元件寬高,橫向動畫就是組建的寬度,縱向的就是元件的高度
singleLine 是否是單行顯示: 預設是false
onChange 點選事件回撥: 回撥的引數是跑馬燈的widget的下標

Example

1、首先在pubspec.yaml中新增依賴

dependencies:
  flutter:
    sdk: flutter
  flutter_marquee:
    git: https://github.com/flutter_marquee/flutter_marquee.git

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    import 'package:flutter_marquee/flutter_marquee.dart';


          Column(
            children: <Widget>[
              Column(
                children: <Widget>[
                  Text("從下到上,時間間隔6秒,傳入的是字串陣列"),
                  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: ["劉成", "劉成1111", "劉成2222", "劉成3333"].toList(),
                        onChange: (i) {
                          print(i);
                        },
                        duration: 4),
                  )
                ],
              ),
              Column(
                children: <Widget>[
                  Text("從上到下,時間間隔8秒,傳入的是自定義的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(
                            "劉成",
                            style: TextStyle(color: Colors.red),
                          ),
                          Text("劉成1111", style: TextStyle(color: Colors.green)),
                          Text("劉成2222", style: TextStyle(color: Colors.blue)),
                          Text("劉成3333",
                              style: TextStyle(color: Colors.yellow)),
                        ],
                        onChange: (i) {
                          print(i);
                        },
                        animationDirection: AnimationDirection.t2b,
                        duration: 8),
                  )
                ],
              ),
              Column(
                children: <Widget>[
                  Text("從左到右,時間間隔2秒,自定義的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(
                                  "劉成",
                                  style: TextStyle(color: Colors.green),
                                ),
                              ],
                            ),
                          ),
                          Center(
                            child: Row(
                              children: <Widget>[
                                Icon(Icons.add),
                                Text(
                                  "劉成1111",
                                  style: TextStyle(color: Colors.red),
                                ),
                              ],
                            ),
                          ),
                          Center(
                            child: Row(
                              children: <Widget>[
                                Icon(Icons.satellite),
                                Text(
                                  "劉成2222",
                                  style: TextStyle(color: Colors.blue),
                                ),
                              ],
                            ),
                          ),
                          Center(
                            child: Row(
                              children: <Widget>[
                                Icon(Icons.format_align_justify),
                                Text("劉成3333",
                                    style: TextStyle(color: Colors.yellow)),
                              ],
                            ),
                          ),
                        ],
                        onChange: (i) {
                          print(i);
                        },
                        animationDirection: AnimationDirection.l2r,
                        duration: 2),
                  )
                ],
              ),
              Column(
                children: <Widget>[
                  Text("從右到左,時間間隔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: ["劉成", "劉成1111", "劉成2222", "劉成3333"].toList(),
                        onChange: (i) {
                          print(i);
                        },
                        animationDirection: AnimationDirection.r2l,
                        duration: 6),
                  )
                ],
              ),

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