flutter pub add progress_indicators根據套件公開資料產生的選型評估，僅供參考。
一個 Flutter 套件，提供一組視覺上吸引人的進度指示器與文字動畫器。設計用於透過跨多個平台的平滑、可自訂的載入動畫來增強使用者體驗。非常適合用於顯示載入狀態、重新整理內容，或在應用程式中動畫化文字。此套件支援 Android、iOS、Web、macOS、Windows 與 Linux，確保在各裝置上具有一致的效能與外觀。透過 pub add 簡單整合，讓開發者能輕鬆取得現代化的 UI 元素，無需複雜設定。
以下為關聯原始碼儲存庫的 README 原文快照，最新內容請造訪原始碼儲存庫。
With this project, we are aiming to provide some cool, animated progress indicators to Flutter developers.
Here's how it looks like.
Import package:progress_indicators/progress_indicators.dart and use these avaiable widgets:
FadingTextJumpingTextScalingTextJumpingDotsHeartbeatProgressIndicatorGlowingProgressIndicatorCollectionSlideTranstionCollectionScaleTransitionWidget build(BuildContext context) {
print(Offset(0.0, -1.0).distanceSquared - Offset(0.0, 0.0).distanceSquared);
return new Scaffold(
appBar: new AppBar(
title: new Text(widget.title),
),
body: new Center(
child: new Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
new Text('Jumping dots'),
JumpingDotsProgressIndicator(
fontSize: 20.0,
),
SizedBox(height: 60.0),
new Text('Heartbeat'),
SizedBox(height: 16.0),
HeartbeatProgressIndicator(
child: Icon(Icons.home),
),
SizedBox(height: 60.0),
new Text('Glowing'),
GlowingProgressIndicator(
child: Icon(Icons.home),
),
SizedBox(height: 32.0),
FadingText('Loading...'),
SizedBox(height: 32.0),
JumpingText('Loading...'),
SizedBox(height: 32.0),
ScalingText('Loading...'),
SizedBox(height: 32.0),
CollectionSlideTransition(
children: <Widget>[
Icon(Icons.android),
Icon(Icons.apps),
Icon(Icons.announcement),
],
),
SizedBox(height: 32.0),
CollectionScaleTransition(
children: <Widget>[
Icon(Icons.android),
Icon(Icons.apps),
Icon(Icons.announcement),
],
),
],
),
),
);
}
For complete sample, see the this example app.