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Code Issues Releases Wiki Activity

Add null safety check before displaying SnackBar (#1866)

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This commit is contained in:
Biso
2023-06-03 15:48:09 +09:00
committed by GitHub
parent 0083ceb353
commit 51223a0efa
2 changed files with 12 additions and 6 deletions
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9
experimental/material_3_demo/lib/component_screen.dart
View File

@@ -1475,9 +1475,12 @@ class _TimePickersState extends State<TimePickers> {
);
setState(() {
selectedTime = time;
ScaffoldMessenger.of(context).showSnackBar(SnackBar(
content: Text('Selected time: ${selectedTime!.format(context)}'),
));
if (selectedTime != null) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(
content:
Text('Selected time: ${selectedTime!.format(context)}'),
));
}
});
},
child: const Text(

9
material_3_demo/lib/component_screen.dart
View File

@@ -1475,9 +1475,12 @@ class _TimePickersState extends State<TimePickers> {
);
setState(() {
selectedTime = time;
ScaffoldMessenger.of(context).showSnackBar(SnackBar(
content: Text('Selected time: ${selectedTime!.format(context)}'),
));
if (selectedTime != null) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(
content:
Text('Selected time: ${selectedTime!.format(context)}'),
));
}
});
},
child: const Text(