Update example app on Flutter plugin (#220)

* Update example app on Flutter plugin * Expose `empty_wallet_cache` through Dart bindings (#224)
2025-12-22 08:24:21 +01:00 · 2024-05-24 12:12:29 +03:00
parent c7b46314f4
commit 7b1b78a2d9
38 changed files with 1821 additions and 167 deletions
--- a/packages/flutter/example/lib/routes/home/widgets/drawer.dart
+++ b/packages/flutter/example/lib/routes/home/widgets/drawer.dart
@@ -0,0 +1,123 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_breez_liquid/flutter_breez_liquid.dart';
+import 'package:flutter_breez_liquid_example/routes/home/widgets/mnemonics_dialog.dart';
+import 'package:flutter_breez_liquid_example/services/credentials_manager.dart';
+
+class HomePageDrawer extends StatefulWidget {
+  final CredentialsManager credentialsManager;
+  final BindingLiquidSdk liquidSDK;
+
+  const HomePageDrawer({super.key, required this.liquidSDK, required this.credentialsManager});
+
+  @override
+  State<HomePageDrawer> createState() => _HomePageDrawerState();
+}
+
+class _HomePageDrawerState extends State<HomePageDrawer> {
+  @override
+  Widget build(BuildContext context) {
+    return Drawer(
+      backgroundColor: Colors.blue,
+      child: ListView(
+        padding: EdgeInsets.zero,
+        children: [
+          const DrawerHeader(
+            curve: Curves.fastOutSlowIn,
+            child: Text(
+              'Breez Liquid SDK Demo',
+              style: TextStyle(fontSize: 16.0, color: Colors.white),
+            ),
+          ),
+          ListTile(
+            enabled: false,
+            leading: const Icon(Icons.backup_outlined),
+            title: const Text('Backup'),
+            titleTextStyle:
+                const TextStyle(fontSize: 16.0, color: Colors.white, decoration: TextDecoration.lineThrough),
+            onTap: () async {
+              try {
+                debugPrint("Creating backup.");
+                // TODO: Backup API should return backup file or it's filepath
+                await widget.liquidSDK.backup();
+                debugPrint("Created backup.");
+              } catch (e) {
+                final errMsg = "Failed to create backup. $e";
+                debugPrint(errMsg);
+                if (context.mounted) {
+                  final snackBar = SnackBar(content: Text(errMsg));
+                  ScaffoldMessenger.of(context).showSnackBar(snackBar);
+                }
+              }
+            },
+          ),
+          ListTile(
+            enabled: false,
+            leading: const Icon(Icons.restore),
+            title: const Text('Restore'),
+            titleTextStyle:
+                const TextStyle(fontSize: 16.0, color: Colors.white, decoration: TextDecoration.lineThrough),
+            onTap: () async {
+              try {
+                debugPrint("Restoring backup.");
+                // TODO: Select backup file to restore
+                RestoreRequest req = const RestoreRequest();
+                await widget.liquidSDK.restore(req: req);
+                debugPrint("Restored backup.");
+              } catch (e) {
+                final errMsg = "Failed to restore backup. $e";
+                debugPrint(errMsg);
+                if (context.mounted) {
+                  final snackBar = SnackBar(content: Text(errMsg));
+                  ScaffoldMessenger.of(context).showSnackBar(snackBar);
+                }
+              }
+            },
+          ),
+          ListTile(
+            leading: const Icon(Icons.cached, color: Colors.white),
+            title: const Text('Empty Wallet Cache'),
+            titleTextStyle: const TextStyle(fontSize: 16.0, color: Colors.white),
+            onTap: () async {
+              try {
+                debugPrint("Emptying wallet cache.");
+                await widget.liquidSDK.emptyWalletCache();
+                debugPrint("Emptied wallet cache.");
+              } catch (e) {
+                final errMsg = "Failed to empty wallet cache. $e";
+                debugPrint(errMsg);
+                if (context.mounted) {
+                  final snackBar = SnackBar(content: Text(errMsg));
+                  ScaffoldMessenger.of(context).showSnackBar(snackBar);
+                }
+              }
+            },
+          ),
+          ListTile(
+            leading: const Icon(Icons.info_outline, color: Colors.white),
+            title: const Text('Display Mnemonics'),
+            titleTextStyle: const TextStyle(fontSize: 16.0, color: Colors.white),
+            onTap: () async {
+              try {
+                await widget.credentialsManager.restoreMnemonic().then((mnemonics) {
+                  showDialog(
+                    context: context,
+                    builder: (context) => MnemonicsDialog(
+                      mnemonics: mnemonics.split(" "),
+                    ),
+                  );
+                });
+              } on Exception catch (e) {
+                final errMsg = "Failed to display mnemonics. $e";
+                debugPrint(errMsg);
+                if (context.mounted) {
+                  final snackBar = SnackBar(content: Text(errMsg));
+                  ScaffoldMessenger.of(context).showSnackBar(snackBar);
+                }
+              }
+            },
+          )
+        ],
+      ),
+    );
+  }
+}