What is unawaited in flutter ?

unawaited in Flutter

unawaited suppresses warnings when intentionally not waiting for a Future.

Problem

Dart warns when you call an async function without awaiting:

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void saveData() {
  _databaseService.save(data); // WARNING: unawaited Future
}

Solution

Use unawaited to suppress the warning:

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import 'package:async/async.dart';

void saveData() {
  unawaited(_databaseService.save(data)); // No warning
}

Real-world Examples

Fire and Forget Operations

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void trackEvent(String event) {
  // Don't need to wait for analytics
  unawaited(_analytics.log(event));
}

void logout() {
  // Send notification but don't wait
  unawaited(_notificationService.sendLogoutAlert());
}

Background Tasks

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void queueBackgroundJob() {
  // Queue job but continue immediately
  unawaited(_backgroundJobService.enqueue(job));
  showSnackBar('Job queued');
}

When to Use

• Fire-and-forget operations
• Background tasks
• Analytics/logging
• Non-critical operations

When NOT to Use

• Critical operations (auth, payments)
• Error handling needed
• Data dependencies

Best Practice: Only use unawaited when you're absolutely sure ignoring errors is safe.