Flutter Android login vault: local DB (id+base64 content), email/Google auth, dashboard search/edit/swipe-delete, dark/system theme, minSdk 29

lib/vault_entry_dialogs.dart

@@ -0,0 +1,80 @@
+import 'package:flutter/material.dart';
+
+/// Result of [showEntryDialog]: an entry id + content.
+class EntryInput {
+  final String id;
+  final String content;
+  EntryInput(this.id, this.content);
+}
+
+/// Dialog to add or edit an entry.
+/// When [lockedId] is true, the id field is disabled (editing existing entry).
+Future<EntryInput?> showEntryDialog(
+  BuildContext context, {
+  required String title,
+  required String id,
+  required String initialContent,
+  required bool lockedId,
+}) {
+  final idCtrl = TextEditingController(text: id);
+  final contentCtrl = TextEditingController(text: initialContent);
+  return showDialog<EntryInput>(
+    context: context,
+    builder: (ctx) => AlertDialog(
+      title: Text(title),
+      content: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          TextField(
+            controller: idCtrl,
+            enabled: !lockedId,
+            decoration: const InputDecoration(
+                labelText: 'ID (unik)', border: OutlineInputBorder()),
+          ),
+          const SizedBox(height: 12),
+          TextField(
+            controller: contentCtrl,
+            maxLines: 5,
+            decoration: const InputDecoration(
+                labelText: 'Konten', border: OutlineInputBorder()),
+          ),
+        ],
+      ),
+      actions: [
+        TextButton(
+            onPressed: () => Navigator.pop(ctx),
+            child: const Text('Batal')),
+        ElevatedButton(
+          onPressed: () => Navigator.pop(
+              ctx, EntryInput(idCtrl.text.trim(), contentCtrl.text)),
+          child: const Text('Simpan'),
+        ),
+      ],
+    ),
+  );
+}
+
+/// Confirmation dialog; returns true if user confirms.
+Future<bool?> showConfirmDialog(
+  BuildContext context, {
+  required String title,
+  required String body,
+}) {
+  return showDialog<bool>(
+    context: context,
+    builder: (ctx) => AlertDialog(
+      title: Text(title),
+      content: Text(body),
+      actions: [
+        TextButton(
+            onPressed: () => Navigator.pop(ctx, false),
+            child: const Text('Batal')),
+        ElevatedButton(
+          style: ElevatedButton.styleFrom(backgroundColor: Colors.red),
+          onPressed: () => Navigator.pop(ctx, true),
+          child: const Text('Hapus', style: TextStyle(color: Colors.white)),
+        ),
+      ],
+    ),
+  );
+}