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/home_page.dart
+++ b/packages/flutter/example/lib/routes/home/home_page.dart
@@ -0,0 +1,114 @@
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_breez_liquid/flutter_breez_liquid.dart';
+import 'package:flutter_breez_liquid_example/routes/home/widgets/balance.dart';
+import 'package:flutter_breez_liquid_example/routes/home/widgets/bottom_app_bar.dart';
+import 'package:flutter_breez_liquid_example/routes/home/widgets/drawer.dart';
+import 'package:flutter_breez_liquid_example/routes/home/widgets/mnemonics_dialog.dart';
+import 'package:flutter_breez_liquid_example/routes/home/widgets/payment_list/payment_list.dart';
+import 'package:flutter_breez_liquid_example/routes/home/widgets/qr_scan_action_button.dart';
+import 'package:flutter_breez_liquid_example/services/credentials_manager.dart';
+
+class HomePage extends StatefulWidget {
+  final CredentialsManager credentialsManager;
+  final BindingLiquidSdk liquidSDK;
+
+  const HomePage({super.key, required this.credentialsManager, required this.liquidSDK});
+
+  @override
+  State<HomePage> createState() => _HomePageState();
+}
+
+class _HomePageState extends State<HomePage> {
+  Stream<GetInfoResponse> walletInfoStream() async* {
+    debugPrint("Initialized walletInfoStream");
+    GetInfoRequest req = const GetInfoRequest(withScan: false);
+    yield await widget.liquidSDK.getInfo(req: req);
+    while (true) {
+      await Future.delayed(const Duration(seconds: 10));
+      yield await widget.liquidSDK.getInfo(req: req);
+      debugPrint("Refreshed wallet info");
+    }
+  }
+
+  Stream<List<Payment>> paymentsStream() async* {
+    debugPrint("Initialized paymentsStream");
+    yield await widget.liquidSDK.listPayments();
+    while (true) {
+      await Future.delayed(const Duration(seconds: 10));
+      yield await widget.liquidSDK.listPayments();
+      debugPrint("Refreshed payments");
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      home: Scaffold(
+        appBar: AppBar(
+          title: const Text('Breez Liquid SDK Demo'),
+          titleTextStyle: const TextStyle(fontSize: 16.0, color: Colors.blue),
+          backgroundColor: Colors.white,
+          foregroundColor: Colors.blue,
+          leading: Builder(
+            builder: (context) {
+              return IconButton(
+                icon: const Icon(Icons.menu),
+                onPressed: () {
+                  Scaffold.of(context).openDrawer();
+                },
+              );
+            },
+          ),
+          actions: [],
+        ),
+        body: LayoutBuilder(
+          builder: (BuildContext context, BoxConstraints constraints) {
+            return Column(
+              mainAxisSize: MainAxisSize.min,
+              mainAxisAlignment: MainAxisAlignment.center,
+              children: <Widget>[
+                Container(
+                  height: constraints.maxHeight * 0.3,
+                  color: Colors.white,
+                  child: Balance(walletInfoStream: walletInfoStream()),
+                ),
+                Container(
+                  height: constraints.maxHeight * 0.7,
+                  color: Colors.white,
+                  child: PaymentList(
+                    paymentsStream: paymentsStream(),
+                    onRefresh: () async => await _sync(),
+                  ),
+                ),
+              ],
+            );
+          },
+        ),
+        drawer: HomePageDrawer(liquidSDK: widget.liquidSDK, credentialsManager: widget.credentialsManager),
+        floatingActionButton: QrActionButton(liquidSDK: widget.liquidSDK),
+        floatingActionButtonLocation: FloatingActionButtonLocation.centerDocked,
+        bottomNavigationBar: HomePageBottomAppBar(
+          liquidSDK: widget.liquidSDK,
+          paymentsStream: paymentsStream(),
+        ),
+      ),
+    );
+  }
+
+  Future<void> _sync() async {
+    try {
+      debugPrint("Syncing wallet.");
+      await widget.liquidSDK.sync();
+      debugPrint("Wallet synced!");
+    } on Exception catch (e) {
+      final errMsg = "Failed to sync wallet. $e";
+      debugPrint(errMsg);
+      if (context.mounted) {
+        final snackBar = SnackBar(content: Text(errMsg));
+        ScaffoldMessenger.of(context).showSnackBar(snackBar);
+      }
+    }
+  }
+}