What the developer wrote
Authored by OmarHatem
minor fix [skip ci]
What changed, and why it matters
This is a small UI hardening change in a wallet app's back-arrow button. It now checks whether the screen is still active and whether there is a previous screen before trying to go back. Without the guard, pressing the button at the wrong moment could trigger a harmless framework warning or a minor navigation error, but it does not appear to expose funds, keys, or sensitive data.
No security action required; treat as routine UI robustness improvement.
Security signals we found
Defensive null/state guard added to navigation action
No cryptographic, authentication, or storage logic changed
No secrets, keys, or wallet data handled in diff
Evidence from the diff
The patch wraps Navigator.of(context).pop() in two guards: context.mounted and Navigator.of(context).canPop(). This prevents calling pop on an unmounted BuildContext or when no route exists to pop, which would otherwise throw Flutter navigation errors. The change is defensive and local to the wallet-unlock page UI.
Changed components
lib/src/screens/wallet_unlock/wallet_unlock_page.dartWallet unlock page back-arrow InkWellInspect captured patch +5 / −1
diff --git a/lib/src/screens/wallet_unlock/wallet_unlock_page.dart b/lib/src/screens/wallet_unlock/wallet_unlock_page.dart
index d0c6d084..958bdfcc 100644
--- a/lib/src/screens/wallet_unlock/wallet_unlock_page.dart
+++ b/lib/src/screens/wallet_unlock/wallet_unlock_page.dart
@@ -136,7 +136,11 @@ class WalletUnlockPageState extends AuthPageState<WalletUnlockPage> {
height: 37,
width: 37,
child: InkWell(
- onTap: () => Navigator.of(context).pop(),
+ onTap: () {
+ if (context.mounted && Navigator.of(context).canPop()) {
+ Navigator.of(context).pop();
+ }
+ },
child: _backArrowImageDarkTheme,
),
))
Why this scored 18/100
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