hyzp_ybqx-Commit001：代码刚转换好，编译通过

2021-12-09 20:24:36 +08:00
commit 8c74b14e5c
800 changed files with 66912 additions and 0 deletions
@@ -0,0 +1,77 @@
+class Common {
+  factory Common() => _getInstance();
+
+  static Common get instance => _getInstance();
+  static Common _instance; // 单例对象
+
+  static Common _getInstance() {
+    if (_instance == null) {
+      _instance = Common._internal();
+    }
+    return _instance;
+  }
+
+  Common._internal();
+
+  /////////////////////////////////////////////////////////////
+
+  String sDCardDir;
+
+  String getFileSize(int fileSize) {
+    String str = '';
+
+    if (fileSize < 1024) {
+      str = '${fileSize.toStringAsFixed(2)}B';
+    } else if (1024 <= fileSize && fileSize < 1048576) {
+      str = '${(fileSize / 1024).toStringAsFixed(2)}KB';
+    } else if (1048576 <= fileSize && fileSize < 1073741824) {
+      str = '${(fileSize / 1024 / 1024).toStringAsFixed(2)}MB';
+    }
+
+    return str;
+  }
+
+  String selectIcon(String ext) {
+    String iconImg = 'assets/files_icons/unknown.png';
+
+    switch (ext) {
+      case '.ppt':
+      case '.pptx':
+        iconImg = 'assets/files_icons/ppt.png';
+        break;
+      case '.doc':
+      case '.docx':
+        iconImg = 'assets/files_icons/word.png';
+        break;
+      case '.xls':
+      case '.xlsx':
+        iconImg = 'assets/files_icons/excel.png';
+        break;
+      case '.jpg':
+      case '.jpeg':
+      case '.png':
+        iconImg = 'assets/files_icons/image.png';
+        break;
+      case '.txt':
+        iconImg = 'assets/files_icons/txt.png';
+        break;
+      case '.mp3':
+        iconImg = 'assets/files_icons/mp3.png';
+        break;
+      case '.mp4':
+        iconImg = 'assets/files_icons/video.png';
+        break;
+      case '.rar':
+      case '.zip':
+        iconImg = 'assets/files_icons/zip.png';
+        break;
+      case '.psd':
+        iconImg = 'assets/files_icons/psd.png';
+        break;
+      default:
+        iconImg = 'assets/files_icons/file.png';
+        break;
+    }
+    return iconImg;
+  }
+}
@@ -0,0 +1,82 @@
+import 'dart:async';
+import 'dart:io';
+
+import 'package:flutter/material.dart';
+import 'common.dart';
+//import 'file_manager.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:permission_handler/permission_handler.dart';
+import 'package:intl/date_symbol_data_local.dart';
+import 'package:fluttertoast/fluttertoast.dart';
+import 'package:flutter/services.dart';
+import '../main.dart';
+
+checkPermission() {
+  WidgetsFlutterBinding.ensureInitialized();
+  initializeDateFormatting("zh_CN", null).then((value) async{
+    bool ret = await getPermission();
+    if (ret) {
+      getSDCardDir().then((value) {
+        //runApp(MyApp());
+        runApp(MaterialApp(
+          //title: '启动图demo',
+          debugShowCheckedModeBanner: false,
+          theme: new ThemeData(
+              brightness: Brightness.light,
+              backgroundColor: Colors.white,
+              platform: TargetPlatform.android),
+          home: new SplashScreen(),
+          routes: <String, WidgetBuilder>{
+            '/home': (BuildContext context) => MyApp()
+          },
+        ));
+      });
+    } else {
+      Fluttertoast.showToast(msg: '用户未授权，程序无法正常运行！', gravity: ToastGravity.CENTER);
+      SystemChannels.platform.invokeMethod('SystemNavigator.pop');
+    }
+  });
+}
+
+// Permission check，适用于 permission_handler: ^5.x.x
+Future<bool> getPermission() async {
+  if (Platform.isAndroid) {
+    // You can request multiple permissions at once.
+    Map<Permission, PermissionStatus> permissionStatuses = await [
+      Permission.storage,
+      Permission.camera,
+      Permission.microphone,
+    ].request();
+
+    if (permissionStatuses[Permission.storage] != PermissionStatus.granted ||
+        permissionStatuses[Permission.camera] != PermissionStatus.granted ||
+        permissionStatuses[Permission.microphone] != PermissionStatus.granted) {
+      return false;
+    }
+  } else if (Platform.isIOS) {}
+  return true;
+}
+
+// Permission check，适用于 permission_handler: ^3.3.0
+// Future<bool> getPermission() async {
+//   List<PermissionGroup> permissionGroupList = [
+//     PermissionGroup.storage,
+//     PermissionGroup.camera,
+//     PermissionGroup.microphone,
+//   ];
+//   if (Platform.isAndroid) {
+//     PermissionStatus permission = await PermissionHandler().checkPermissionStatus(PermissionGroup.storage);
+//     if (permission != PermissionStatus.granted) {
+//       await PermissionHandler().requestPermissions(permissionGroupList);
+//     }
+//     permission = await PermissionHandler().checkPermissionStatus(PermissionGroup.storage);
+//     if (permission != PermissionStatus.granted) {
+//       return false;
+//     }
+//   } else if (Platform.isIOS) {}
+//   return true;
+// }
+
+Future<void> getSDCardDir() async {
+  Common().sDCardDir = (await getExternalStorageDirectory()).path;
+}