✨ 添加 ButtonBarTheme、CupertinoDialogAction、PerformanceOverlay、RawImage、TooltipTheme

lib/views/widgets/Other/PerformanceOverlay/node1_base.dart

@@ -0,0 +1,22 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+
+/// create by 张风捷特烈 on 2020/7/22
+/// contact me by email 1981462002@qq.com
+/// 说明: 312 PerformanceOverlay 性能浮层 6 可以非常方便地开启性能监测的两个柱图,方便查看刷新界面时帧率的变化情况。
+//    {
+//      "widgetId": 312,
+//      "name": "PerformanceOverlay基本使用",
+//      "priority": 1,
+//      "subtitle": "使用PerformanceOverlay.allEnabled可以开始所有的监测项。",
+//    }
+
+class PerformanceOverlayDemo extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return PerformanceOverlay.allEnabled(
+
+    );
+  }
+}
+

lib/views/widgets/Other/RawImage/node1_base.dart

@@ -0,0 +1,100 @@
+import 'dart:async';
+
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'dart:ui' as ui;
+
+/// create by 张风捷特烈 on 2020/7/22
+/// contact me by email 1981462002@qq.com
+/// 说明: 313 RawImage 6 是实现Image组件的核心组件，可以显示ui的Image,基本属性同Image,一般很少单独使用。
+//    {
+//      "widgetId": 313,
+//      "name": "RawImage基本使用",
+//      "priority": 1,
+//      "subtitle": "【image】 : 图片   【ui.Image】\n"
+//          "【width】 : 宽   【int】\n"
+//          "【height】: 高   【int】\n"
+//          "【isAntiAlias】: 是否抗锯齿   【bool】\n"
+//          "【filterQuality】: 过滤质量   【FilterQuality】\n"
+//          "很多属性同Image,详见之.",
+//    }
+class RawImageDemo extends StatefulWidget {
+  @override
+  _RawImageDemoState createState() => _RawImageDemoState();
+}
+
+class _RawImageDemoState extends State<RawImageDemo> {
+  ui.Image _image;
+
+  @override
+  void initState() {
+    super.initState();
+    _loadImageFromAssets('assets/images/icon_head.png');
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    if (_image == null)
+      return Container(
+        width: 80,
+        height: 80,
+      );
+
+    return Row(
+      mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+      children: [
+        Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            RawImage(
+              image: _image,
+              width: 150,
+              height: 150,
+              isAntiAlias: true,
+              filterQuality: FilterQuality.high,
+            ),
+            Text('isAntiAlias: true'),
+            Text('FilterQuality.high')
+          ],
+        ),
+        Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            RawImage(
+              image: _image,
+              width: 150,
+              height: 150,
+              isAntiAlias: false,
+            ),
+            Text('isAntiAlias: false'),
+            Text('FilterQuality.low')
+          ],
+        ),
+      ],
+    );
+  }
+
+  void _loadImageFromAssets(String name) async {
+    _image = await loadImageByProvider(AssetImage(name));
+
+    setState(() {});
+  }
+
+  //通过ImageProvider读取Image
+  Future<ui.Image> loadImageByProvider(
+    ImageProvider provider, {
+    ImageConfiguration config = ImageConfiguration.empty,
+  }) async {
+    Completer<ui.Image> completer = Completer<ui.Image>(); //完成的回调
+    ImageStreamListener listener;
+    ImageStream stream = provider.resolve(config); //获取图片流
+    listener = ImageStreamListener((ImageInfo frame, bool sync) {
+      //监听
+      final ui.Image image = frame.image;
+      completer.complete(image); //完成
+      stream.removeListener(listener); //移除监听
+    });
+    stream.addListener(listener); //添加监听
+    return completer.future; //返回
+  }
+}

lib/views/widgets/ProxyWidget/ButtonBarTheme/node1_base.dart

@@ -0,0 +1,46 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+
+/// create by 张风捷特烈 on 2020/7/22
+/// contact me by email 1981462002@qq.com
+/// 说明: 338 ButtonBarTheme 5 主要用于为后代的ButtonBar组件统一设置默认属性,也可以通过该组件获取默认ButtonBarTheme的属性。
+//    {
+//      "widgetId": 338,
+//      "name": "ButtonBarTheme基本使用",
+//      "priority": 1,
+//      "subtitle": "可指定ButtonBarThemeData数据属性为【后代】的ButtonBar组件设置默认样式，如对齐方式、样式、边距等。也可以用ButtonBarTheme.of获取ButtonBar的主题属性。",
+//    }
+
+class ButtonBarThemeDemo extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return ButtonBarTheme(
+        child: TempButtonBar(),
+        data: ButtonBarTheme.of(context).copyWith(
+            alignment: MainAxisAlignment.center,
+            buttonPadding: EdgeInsets.symmetric(horizontal: 6),
+            overflowDirection: VerticalDirection.up,
+            buttonMinWidth: 150,
+            buttonHeight: 30,
+            buttonTextTheme: ButtonTextTheme.primary));
+  }
+}
+
+class TempButtonBar extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return ButtonBar(
+      alignment: MainAxisAlignment.center,
+      children: <Widget>[
+        RaisedButton(
+            color: Colors.blue, child: Text("1.Raised"), onPressed: () {}),
+        OutlineButton(child: Text("2.Outline"), onPressed: () {}),
+        FlatButton(
+          color: Colors.blue,
+          onPressed: () {},
+          child: Text("3.Flat"),
+        )
+      ],
+    );
+  }
+}

lib/views/widgets/ProxyWidget/TooltipTheme/node1_base.dart

@@ -0,0 +1,51 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+
+/// create by 张风捷特烈 on 2020/7/22
+/// contact me by email 1981462002@qq.com
+/// 说明: 333 TooltipTheme 5 主要用于为后代的Tooltip组件统一设置默认属性,也可以通过该组件获取默认TooltipTheme的属性。
+//    {
+//      "widgetId": 333,
+//      "name": "TooltipTheme基本使用",
+//      "priority": 1,
+//      "subtitle": "可指定TooltipThemeData数据属性为【后代】的Tooltip组件设置默认样式，如装饰、文字样式、显示时长、边距等。也可以用TooltipTheme.of获取Tooltip的主题属性。",
+//    }
+
+class TooltipThemeDemo extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return TooltipTheme(
+        child: TempTooltip(),
+        data: TooltipTheme.of(context).copyWith(
+            preferBelow: false,
+            padding: EdgeInsets.all(5),
+            verticalOffset: 20,
+            margin: EdgeInsets.all(2),
+            textStyle:  TextStyle(
+                color: Colors.red,
+                shadows: [Shadow(color: Colors.white, offset: Offset(1, 1))]),
+            decoration: BoxDecoration(boxShadow: [
+              BoxShadow(
+                  color: Colors.orangeAccent,
+                  offset: Offset(1, 1),
+                  blurRadius: 8)
+            ])));
+  }
+}
+
+class TempTooltip extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return Row(
+      mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+      children: [
+        Tooltip(
+            message: "天王盖地虎",
+            child: Icon(Icons.info_outline)),
+        Tooltip(
+            message: "宝塔镇河妖",
+            child: Icon(Icons.info_outline)),
+      ],
+    );
+  }
+}

lib/views/widgets/SingleChildRenderObjectWidget/RepaintBoundary/main.dart

@@ -0,0 +1,26 @@
+/// create by 张风捷特烈 on 2020/7/22
+/// contact me by email 1981462002@qq.com
+/// 说明:
+
+import 'package:flutter/material.dart';
+
+import 'node1_base.dart';
+import 'node2_save.dart';
+
+
+void main() => runApp(MyApp());
+
+class MyApp extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+        title: 'Flutter Demo',
+        theme: ThemeData(
+          primarySwatch: Colors.blue,
+        ),
+        home: Scaffold(
+          appBar: AppBar(),
+          body: Center(child: RepaintBoundarySave()),
+        ));
+  }
+}

lib/views/widgets/SingleChildRenderObjectWidget/RepaintBoundary/node1_base.dart

@@ -0,0 +1,182 @@
+import 'dart:ui';
+
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+
+/// create by 张风捷特烈 on 2020/7/22
+/// contact me by email 1981462002@qq.com
+/// 说明: 264 RepaintBoundary 重绘边界 为子组件创建一个单独的显示列表,提升性能。源码中在TextField、DrawerController、Scrollbar、Sliver等组件中均有应用。
+//    {
+//      "widgetId": 264,
+//      "name": "RepaintBoundary基本使用",
+//      "priority": 1,
+//      "subtitle": "【child】 : 子组件   【Widget】\n"
+//          "比如上面的绘制视图，即使shouldRepaint为false,在滑动中会也会不断执行paint方法,使用RepaintBoundary可以避免不必要的绘制。",
+//    }
+
+class RepaintBoundaryDemo extends StatelessWidget{
+  @override
+  Widget build(BuildContext context) {
+    return RepaintBoundary(
+      child: TempPlayBezier3Page(),
+    );
+  }
+}
+
+class TempPlayBezier3Page extends StatefulWidget {
+  @override
+  _TempPlayBezier3PageState createState() => _TempPlayBezier3PageState();
+}
+
+class _TempPlayBezier3PageState extends State<TempPlayBezier3Page> {
+  List<Offset> _pos = <Offset>[];
+  int selectPos;
+
+  @override
+  void initState() {
+    _initPoints();
+    super.initState();
+  }
+
+  void _initPoints() {
+    _pos = List<Offset>();
+    _pos.add(Offset(0, 0));
+    _pos.add(Offset(60, -60));
+    _pos.add(Offset(-90, -90));
+    _pos.add(Offset(-120, -40));
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      height: 200,
+      width: MediaQuery.of(context).size.width,
+      child: CustomPaint(
+        painter: TempBezierPainter(pos: _pos, selectPos: selectPos),
+      ),
+    );
+  }
+}
+
+class TempBezierPainter extends CustomPainter {
+  Paint _gridPaint;
+  Path _gridPath;
+
+  Paint _mainPaint;
+  Path _mainPath;
+  int selectPos;
+  Paint _helpPaint;
+
+  List<Offset> pos;
+
+  TempBezierPainter({this.pos, this.selectPos}) {
+    _gridPaint = Paint()..style = PaintingStyle.stroke;
+    _gridPath = Path();
+
+    _mainPaint = Paint()
+      ..color = Colors.orange
+      ..style = PaintingStyle.stroke
+      ..strokeWidth = 2;
+    _mainPath = Path();
+
+    _helpPaint = Paint()
+      ..color = Colors.purple
+      ..style = PaintingStyle.stroke
+      ..strokeWidth = 2
+      ..strokeCap = StrokeCap.round;
+  }
+
+  @override
+  void paint(Canvas canvas, Size size) {
+    print('----------Paint-------');
+    canvas.clipRect(Offset.zero & size);
+    canvas.translate(size.width / 2, size.height / 2);
+    _drawGrid(canvas, size); //绘制格线
+    _drawAxis(canvas, size); //绘制轴线
+
+    _mainPath.moveTo(pos[0].dx, pos[0].dy);
+    _mainPath.cubicTo(
+        pos[1].dx, pos[1].dy, pos[2].dx, pos[2].dy, pos[3].dx, pos[3].dy);
+    canvas.drawPath(_mainPath, _mainPaint);
+    _drawHelp(canvas);
+    _drawSelectPos(canvas);
+  }
+
+  @override
+  bool shouldRepaint(CustomPainter oldDelegate) => false;
+
+  void _drawGrid(Canvas canvas, Size size) {
+    _gridPaint
+      ..color = Colors.grey
+      ..strokeWidth = 0.5;
+    _gridPath = _buildGridPath(_gridPath, size);
+    canvas.drawPath(_buildGridPath(_gridPath, size), _gridPaint);
+
+    canvas.save();
+    canvas.scale(1, -1); //沿x轴镜像
+    canvas.drawPath(_gridPath, _gridPaint);
+    canvas.restore();
+
+    canvas.save();
+    canvas.scale(-1, 1); //沿y轴镜像
+    canvas.drawPath(_gridPath, _gridPaint);
+    canvas.restore();
+
+    canvas.save();
+    canvas.scale(-1, -1); //沿原点镜像
+    canvas.drawPath(_gridPath, _gridPaint);
+    canvas.restore();
+  }
+
+  void _drawAxis(Canvas canvas, Size size) {
+    canvas.drawPoints(
+        PointMode.lines,
+        [
+          Offset(-size.width / 2, 0),
+          Offset(size.width / 2, 0),
+          Offset(0, -size.height / 2),
+          Offset(0, size.height / 2),
+          Offset(0, size.height / 2),
+          Offset(0 - 7.0, size.height / 2 - 10),
+          Offset(0, size.height / 2),
+          Offset(0 + 7.0, size.height / 2 - 10),
+          Offset(size.width / 2, 0),
+          Offset(size.width / 2 - 10, 7),
+          Offset(size.width / 2, 0),
+          Offset(size.width / 2 - 10, -7),
+        ],
+        _gridPaint
+          ..color = Colors.blue
+          ..strokeWidth = 1.5);
+  }
+
+  Path _buildGridPath(Path path, Size size, {step = 20.0}) {
+    for (int i = 0; i < size.height / 2 / step; i++) {
+      path.moveTo(0, step * i);
+      path.relativeLineTo(size.width / 2, 0);
+    }
+    for (int i = 0; i < size.width / 2 / step; i++) {
+      path.moveTo(step * i, 0);
+      path.relativeLineTo(
+        0,
+        size.height / 2,
+      );
+    }
+    return path;
+  }
+
+  void _drawHelp(Canvas canvas) {
+    canvas.drawPoints(PointMode.lines, pos, _helpPaint..strokeWidth = 1);
+    canvas.drawPoints(PointMode.points, pos, _helpPaint..strokeWidth = 8);
+  }
+
+  void _drawSelectPos(Canvas canvas) {
+    if (selectPos == null) return;
+    canvas.drawCircle(
+        pos[selectPos],
+        10,
+        _helpPaint
+          ..color = Colors.green
+          ..strokeWidth = 2);
+  }
+}

lib/views/widgets/SingleChildRenderObjectWidget/RepaintBoundary/node2_save.dart

@@ -0,0 +1,68 @@
+import 'dart:io';
+import 'dart:typed_data';
+import 'dart:ui';
+
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/rendering.dart';
+import 'package:path_provider/path_provider.dart';
+import 'dart:ui' as ui;
+import 'node1_base.dart';
+
+/// create by 张风捷特烈 on 2020/7/22
+/// contact me by email 1981462002@qq.com
+/// 说明:
+//    {
+//      "widgetId": 264,
+//      "name": "保存Widget成为图片",
+//      "priority": 2,
+//      "subtitle": "通过RenderRepaintBoundary可以获取子组件的Image信息，从而获取字节保存为图片文件。",
+//    }
+
+class RepaintBoundarySave extends StatelessWidget {
+  final GlobalKey _globalKey = GlobalKey();
+
+  @override
+  Widget build(BuildContext context) {
+    return Stack(
+      children: [
+        RepaintBoundary(
+          key: _globalKey,
+          child: TempPlayBezier3Page(),
+        ),
+        Positioned(right: -10, child: _buildButton3(context))
+      ],
+    );
+  }
+
+  Widget _buildButton3(context) => MaterialButton(
+      child: Icon(
+        Icons.save_alt,
+        size: 15,
+        color: Colors.white,
+      ),
+      color: Colors.green,
+      shape: CircleBorder(
+        side: BorderSide(width: 2.0, color: Color(0xFFFFDFDFDF)),
+      ),
+      onPressed: () async {
+        var bits = await _widget2Image(_globalKey);
+        var dir = await getApplicationSupportDirectory();
+        var file = File(dir.path + "/save_img.png");
+        var f = await file.writeAsBytes(bits);
+        Scaffold.of(context).showSnackBar(SnackBar(
+          backgroundColor: Theme.of(context).primaryColor,
+          content: Text('保存成功后! 路径为:${f.path}'),
+        ));
+      });
+
+  Future<Uint8List> _widget2Image(GlobalKey key) async {
+    RenderRepaintBoundary boundary = key.currentContext.findRenderObject();
+    //获得 ui.image
+    ui.Image img = await boundary.toImage();
+    //获取图片字节
+    var byteData = await img.toByteData(format: ui.ImageByteFormat.png);
+    Uint8List bits = byteData.buffer.asUint8List();
+    return bits;
+  }
+}

lib/views/widgets/StatelessWidget/CupertinoDialogAction/node1_base.dart

@@ -0,0 +1,44 @@
+import 'dart:async';
+
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'dart:ui' as ui;
+
+/// create by 张风捷特烈 on 2020/7/22
+/// contact me by email 1981462002@qq.com
+/// 说明: 352 CupertinoDialogAction 0 一个简单的按钮，通常用于CupertinoAlertDialog中，一般不单独使用。
+//    {
+//      "widgetId": 352,
+//      "name": "CupertinoDialogAction基本使用",
+//      "priority": 1,
+//      "subtitle": "【isDefaultAction】 : 是否是默认性操作   【bool】\n"
+//          "【isDestructiveAction】 : 是否是毁灭性操作   【bool】\n"
+//          "【textStyle】: 文字样式   【TextStyle】\n"
+//          "【onPressed】: 点击事件   【VoidCallback】\n"
+//          "【child】: 子组件   【Widget】",
+//    }
+class CupertinoDialogActionDemo extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      children: [
+        CupertinoDialogAction(
+          isDestructiveAction: false,
+          onPressed: ()=>_toast(context),
+          child: Text('CupertinoDialogAction'),
+        ),
+        CupertinoDialogAction(
+          isDestructiveAction: true,
+          onPressed: ()=>_toast(context),
+          child: Text('CupertinoDialogAction'),
+        ),
+      ],
+    );
+  }
+
+  _toast(BuildContext context){
+    Scaffold.of(context).showSnackBar(SnackBar(
+      backgroundColor: Theme.of(context).primaryColor,
+      content: Text('CupertinoDialogAction'),));
+  }
+}

lib/views/widgets/exp/other_unit.dart

@@ -6,4 +6,6 @@ library other_unit.dart;
 
 
 export '../Other/ErrorWidget/node1_base.dart';
-export '../Other/Table/node1_base.dart';
+export '../Other/Table/node1_base.dart';
+export '../Other/RawImage/node1_base.dart';
+export '../Other/PerformanceOverlay/node1_base.dart';

lib/views/widgets/exp/proxy_unit.dart

@@ -22,4 +22,6 @@ export '../ProxyWidget/ChipTheme/node1_base.dart' hide CustomFilterChip;
 export '../ProxyWidget/ListTileTheme/node1_base.dart';
 export '../ProxyWidget/MaterialBannerTheme/node1_base.dart';
 export '../ProxyWidget/PopupMenuTheme/node1_base.dart';
-export '../ProxyWidget/ToggleButtonsTheme/node1_base.dart';
+export '../ProxyWidget/ToggleButtonsTheme/node1_base.dart';
+export '../ProxyWidget/ButtonBarTheme/node1_base.dart';
+export '../ProxyWidget/TooltipTheme/node1_base.dart';

lib/views/widgets/exp/render_object_unit.dart

@@ -29,6 +29,8 @@ export '../SingleChildRenderObjectWidget/Align/node1_base.dart';
 export '../SingleChildRenderObjectWidget/Align/node2_other.dart';
 export '../SingleChildRenderObjectWidget/CustomSingleChildLayout/node1_base.dart';
 export '../SingleChildRenderObjectWidget/CustomSingleChildLayout/node2_offset.dart';
+export '../SingleChildRenderObjectWidget/RepaintBoundary/node1_base.dart';
+export '../SingleChildRenderObjectWidget/RepaintBoundary/node2_save.dart';
 
 export '../SingleChildRenderObjectWidget/ConstrainedBox/node1_base.dart';
 export '../SingleChildRenderObjectWidget/FractionalTranslation/node1_base.dart';

lib/views/widgets/exp/stateless_unit.dart

@@ -11,6 +11,7 @@ export '../StatelessWidget/PreferredSize/node1_base.dart';
 export '../StatelessWidget/PreferredSize/node2_adapter.dart';
 export '../StatelessWidget/Builder/node1_base.dart';
 export '../StatelessWidget/NavigationToolbar/node1_base.dart';
+export '../StatelessWidget/CupertinoDialogAction/node1_base.dart';
 
 export '../StatelessWidget/CheckboxListTile/node1_base.dart';
 export '../StatelessWidget/CheckboxListTile/node2_select.dart';

lib/views/widgets/widgets_map.dart

@@ -103,10 +103,30 @@ class WidgetsMap {
         return [
           ToggleButtonsThemeDemo(),
         ];
+      case "PerformanceOverlay":
+        return [
+          PerformanceOverlayDemo(),
+        ];
       case "NavigationToolbar":
         return [
           NavigationToolbarDemo(),
         ];
+      case "CupertinoDialogAction":
+        return [
+          CupertinoDialogActionDemo(),
+        ];
+      case "ButtonBarTheme":
+        return [
+          ButtonBarThemeDemo(),
+        ];
+      case "RawImage":
+        return [
+          RawImageDemo(),
+        ];
+      case "TooltipTheme":
+        return [
+          TooltipThemeDemo(),
+        ];
       case "CupertinoTextField":
         return [
           CupertinoTextFieldDemo(),
@@ -134,7 +154,7 @@ class WidgetsMap {
         return [
           CustomFadeInImage(),
         ];
-        case "InteractiveViewer":
+      case "InteractiveViewer":
         return [
           InteractiveViewerDemo(),
           InteractiveViewerDemo2(),
@@ -149,6 +169,11 @@ class WidgetsMap {
           CustomVisibility(),
           ReplacementVisibility(),
         ];
+      case "RepaintBoundary":
+        return [
+          RepaintBoundaryDemo(),
+          RepaintBoundarySave(),
+        ];
       case "Chip":
         return [
           CustomChip(),

pubspec.lock

@@ -99,6 +99,13 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.1.0"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "5.2.1"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -177,6 +184,41 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.7.0"
+  path_provider:
+    dependency: "direct main"
+    description:
+      name: path_provider
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.6.11"
+  path_provider_linux:
+    dependency: transitive
+    description:
+      name: path_provider_linux
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.0.1+2"
+  path_provider_macos:
+    dependency: transitive
+    description:
+      name: path_provider_macos
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.0.4+3"
+  path_provider_platform_interface:
+    dependency: transitive
+    description:
+      name: path_provider_platform_interface
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.0.2"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "2.2.1"
   plugin_platform_interface:
     dependency: transitive
     description:
@@ -184,6 +226,13 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.2"
+  process:
+    dependency: transitive
+    description:
+      name: process
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "3.0.13"
   provider:
     dependency: transitive
     description:
@@ -350,6 +399,13 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.8"
+  xdg_directories:
+    dependency: transitive
+    description:
+      name: xdg_directories
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.1.0"
 sdks:
   dart: ">=2.9.0-14.0.dev <3.0.0"
   flutter: ">=1.12.13+hotfix.5 <2.0.0"

pubspec.yaml

@@ -31,6 +31,7 @@ dependencies:
   url_launcher: ^5.4.2 # url
   share: ^0.6.3+6
   intl: ^0.16.1
+  path_provider: ^1.6.11
   connectivity: ^0.4.8+6 #网络状态
   flutter_spinkit: ^4.1.2+1 #loading
   dio: ^3.0.9 #dio