进一步完成最小可用demo，加入资源释放代码

lib/pages/image_player/view.dart

@@ -2,12 +2,8 @@
 
 import 'package:fis_measure/index.dart';
 import 'package:fis_measure/interfaces/process/player/play_controller.dart';
-import 'package:fis_measure/interfaces/process/workspace/application.dart';
-import 'package:fis_measure/process/workspace/application.dart';
 import 'package:fis_vid/data_host/data_host.dart';
 import 'package:flutter/material.dart';
-import 'package:get/get.dart';
-import 'package:vid/us/vid_us_image.dart';
 
 class ImagePlayerView extends StatefulWidget {
   const ImagePlayerView({Key? key}) : super(key: key);
@@ -21,6 +17,7 @@ class _ImagePlayerViewState extends State<ImagePlayerView> {
   IPlayerController get playerController => _playerController!;
   VidDataHost? _vidDataHost;
   VidDataHost get dataHost => _vidDataHost!;
+  bool _ifInit = false;
   List<String> mockData = [
     "http://cdn-bj.fis.plus/093BE20682B14BFB95D811F221A2B2FD.vid"
   ];
@@ -33,17 +30,22 @@ class _ImagePlayerViewState extends State<ImagePlayerView> {
 
   void startPlay() {
     print("${DateTime.now()} Click play");
-    dataHost.load().then((value) {
-      if (value == null) {
-        // TOOO: add log
-      } else {
-        playerController.setLoadState(value != null);
-        Future.delayed(const Duration(milliseconds: 100), () {
-          playerController.play();
-        });
-        print("${DateTime.now()} Load vid data host success");
-      }
-    });
+    if (_ifInit) {
+      playerController.play();
+    } else {
+      dataHost.load().then((value) {
+        if (value == null) {
+          // TOOO: add log
+        } else {
+          playerController.setLoadState(value != null);
+          Future.delayed(const Duration(milliseconds: 100), () {
+            playerController.play();
+          });
+          print("${DateTime.now()} Load vid data host success");
+        }
+        _ifInit = true;
+      });
+    }
   }
 
   @override
@@ -85,8 +87,8 @@ class _ImagePlayerViewState extends State<ImagePlayerView> {
   @override
   void dispose() {
     print("ImagePlayerView dispose");
-    _playerController?.dispose();
-    Get.delete<IPlayerController>();
+    playerController.dispose();
+    dataHost.release();
     super.dispose();
   }
 }

windows/flutter/generated_plugin_registrant.cc

@@ -6,6 +6,9 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <fis_lib_print/printing_plugin.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
+  PrintingPluginRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("PrintingPlugin"));
 }

windows/flutter/generated_plugins.cmake

@@ -3,6 +3,7 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  fis_lib_print
 )
 
 set(PLUGIN_BUNDLED_LIBRARIES)