Bug fix: db backup not being awaited

lib/coin/coin.dart

@@ -42,7 +42,7 @@ abstract class CoinBase {
       final path = join(dbPath, dbName);
       db = await openDatabase(path);
       await db.close();
-      return Share.shareFiles([path], subject: dbName);
+      await Share.shareFiles([path], subject: dbName);
     }
   }
 }

lib/main.dart

@@ -268,14 +268,19 @@ class ZWalletAppState extends State<ZWalletApp> {
     final recover = prefs.getBool('recover') ?? false;
     final exportDb = prefs.getBool('export_db') ?? false;
     prefs.setBool('recover', false);
-    prefs.setBool('export_db', false);
 
     if (!initialized || recover || exportDb) {
       initialized = true;
       final dbPath = await getDatabasesPath();
       if (exportDb) {
+        print("Export ycash");
         await ycash.export(dbPath);
+        final r1 = await showMessageBox(context, 'Export', 'Export completed?', "OK");
+        print("Export zcash");
         await zcash.export(dbPath);
+        final r2 = await showMessageBox(context, 'Export', 'Export completed?', "OK");
+        print("Export done");
+        if (r1 && r2) prefs.setBool('export_db', false);
       }
       if (recover) {
         ycash.delete(dbPath);

pubspec.lock

@@ -983,42 +983,42 @@ packages:
       name: share_plus
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.1.0"
+    version: "4.0.1"
   share_plus_linux:
     dependency: transitive
     description:
       name: share_plus_linux
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.4"
+    version: "3.0.0"
   share_plus_macos:
     dependency: transitive
     description:
       name: share_plus_macos
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.2"
+    version: "3.0.0"
   share_plus_platform_interface:
     dependency: transitive
     description:
       name: share_plus_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.1"
+    version: "3.0.0"
   share_plus_web:
     dependency: transitive
     description:
       name: share_plus_web
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.4"
+    version: "3.0.0"
   share_plus_windows:
     dependency: transitive
     description:
       name: share_plus_windows
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.3"
+    version: "3.0.0"
   shared_preferences:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -52,7 +52,7 @@ dependencies:
       ref: 821f81681f8ee819cd721498f7b28d290f4ebe38
   grouped_list: ^4.1.0
   json_annotation: ^4.1.0
-  share_plus: ^3.1.0
+  share_plus: ^4.0.1
   path_provider: ^2.0.3
   file_picker: ^4.5.0
   mustache_template: ^2.0.0