添加保存分享统计图

lib/modules/meeting/views/bottomSheet/statistics_bottom_sheet.dart

@@ -1,8 +1,15 @@
 import 'dart:io';
+import 'dart:typed_data';
+import 'dart:ui' as ui;
 
 import 'package:flutter/material.dart';
+import 'package:flutter/rendering.dart';
+import 'package:flutter_easyloading/flutter_easyloading.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:get/get.dart';
+import 'package:image_gallery_saver_plus/image_gallery_saver_plus.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:share_plus/share_plus.dart';
 
 import '../../../profile/controllers/profile_controller.dart';
 import '../../controllers/meeting_mine_controller.dart';
@@ -18,6 +25,8 @@ class _StatisticsBottomSheetState extends State<StatisticsBottomSheet> {
   final _mineController = Get.find<MeetingMineController>();
   final _profileCtrl = Get.find<ProfileController>();
 
+  final GlobalKey _posterKey = GlobalKey();
+
   @override
   Widget build(BuildContext context) {
     return Stack(
@@ -30,12 +39,16 @@ class _StatisticsBottomSheetState extends State<StatisticsBottomSheet> {
             height: 1.sh,
           ),
         ),
-        Column(
+        Padding(
+          padding: EdgeInsets.symmetric(horizontal: 10.w),
+          child: Column(
             mainAxisAlignment: MainAxisAlignment.center,
             children: [
-            Container(
-              padding: EdgeInsets.symmetric(horizontal: 15.w, vertical: 20.w),
-              margin: EdgeInsets.symmetric(horizontal: 10.w),
+              RepaintBoundary(
+                key: _posterKey,
+                child: Container(
+                  padding:
+                      EdgeInsets.symmetric(horizontal: 15.w, vertical: 20.w),
                   decoration: BoxDecoration(
                     color: Colors.white,
                     borderRadius: BorderRadius.circular(16.w),
@@ -56,10 +69,12 @@ class _StatisticsBottomSheetState extends State<StatisticsBottomSheet> {
                         ),
                         child: CircleAvatar(
                           radius: 25.w,
-                      backgroundImage: _profileCtrl.localAvatar.value.isNotEmpty
+                          backgroundImage: _profileCtrl
+                                  .localAvatar.value.isNotEmpty
                               ? FileImage(File(_profileCtrl.localAvatar.value))
                               : (_profileCtrl.userInfo.value.avatar.isNotEmpty
-                              ? NetworkImage(_profileCtrl.userInfo.value.avatar)
+                                  ? NetworkImage(
+                                      _profileCtrl.userInfo.value.avatar)
                                   : null) as ImageProvider<Object>?,
                           backgroundColor: Colors.grey[200],
                           child: (_profileCtrl.localAvatar.value.isEmpty &&
@@ -180,7 +195,8 @@ class _StatisticsBottomSheetState extends State<StatisticsBottomSheet> {
                         child: GridView.builder(
                           shrinkWrap: true,
                           physics: const NeverScrollableScrollPhysics(),
-                      gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
+                          gridDelegate:
+                              SliverGridDelegateWithFixedCrossAxisCount(
                             crossAxisCount: 52,
                             mainAxisSpacing: 1.w,
                             crossAxisSpacing: 1.w,
@@ -194,7 +210,8 @@ class _StatisticsBottomSheetState extends State<StatisticsBottomSheet> {
                             int type = 0;
                             if (_mineController.statistics
                                 .containsKey(vIndex + 1)) {
-                          if (_mineController.statistics[vIndex + 1]['count'] <=
+                              if (_mineController.statistics[vIndex + 1]
+                                      ['count'] <=
                                   _mineController.averageNumberFiles) {
                                 type = 1;
                               } else {
@@ -237,19 +254,49 @@ class _StatisticsBottomSheetState extends State<StatisticsBottomSheet> {
                     ],
                   ),
                 ),
+              ),
               SizedBox(height: 10.w),
-            Padding(
-              padding: EdgeInsets.symmetric(horizontal: 10.w),
-              child: Row(
+              Row(
                 children: [
-                  _button(Icons.share, '分享图片', Colors.deepOrange, () {}),
+                  _button(Icons.share, '分享图片', Colors.deepOrange, () async {
+                    EasyLoading.show();
+                    Uint8List pngBytes = await _generate();
+                    final tempDir = await getTemporaryDirectory();
+                    final String fileName =
+                        'share_${DateTime.now().millisecondsSinceEpoch}.png';
+                    final file = File('${tempDir.path}/$fileName');
+                    await file.writeAsBytes(pngBytes);
+                    final result = await SharePlus.instance.share(ShareParams(
+                      text: '分享 DEAPSOUND',
+                      files: [XFile(file.path)],
+                    ));
+                    if (result.status == ShareResultStatus.success) {
+                      Get.back();
+                      EasyLoading.showToast('分享完成！');
+                    }
+                    EasyLoading.dismiss();
+                  }),
                   10.horizontalSpace,
-                  _button(Icons.download, '保存图片', Colors.cyan, () {}),
+                  _button(Icons.download, '保存图片', Colors.cyan, () async {
+                    EasyLoading.show();
+                    Uint8List pngBytes = await _generate();
+                    final result = await ImageGallerySaverPlus.saveImage(
+                      pngBytes,
+                      quality: 100,
+                    );
+                    if (result['isSuccess']) {
+                      Get.back();
+                      EasyLoading.showToast('保存成功');
+                    } else {
+                      EasyLoading.showToast('保存失败');
+                    }
+                    EasyLoading.dismiss();
+                  }),
                 ],
               ),
-            ),
             ],
           ),
+        ),
       ],
     );
   }
@@ -324,4 +371,13 @@ class _StatisticsBottomSheetState extends State<StatisticsBottomSheet> {
       ),
     );
   }
+
+  Future<Uint8List> _generate() async {
+    RenderRepaintBoundary boundary =
+        _posterKey.currentContext!.findRenderObject()! as RenderRepaintBoundary;
+    ui.Image image = await boundary.toImage(pixelRatio: 6.0);
+    ByteData? byteData = await image.toByteData(format: ui.ImageByteFormat.png);
+    Uint8List pngBytes = byteData!.buffer.asUint8List();
+    return pngBytes;
+  }
 }

pubspec.yaml

@@ -69,7 +69,7 @@ dependencies:
   flutter_facebook_auth: ^7.1.1
   flutter_image_compress: ^2.4.0
   common_utils: ^2.1.0
-  # image_cropper: ^9.0.0
+  image_gallery_saver_plus: ^4.0.1
   dio: ^5.8.0+1
   sqflite: ^2.4.2
   path: ^1.9.1