Check out example codes for "flutter list tile". It will help you in understanding the concepts better.

Code Example 1

ListTile(
  leading: const Icon(Icons.flight_land),
  title: const Text("Trix's airplane"),
  subtitle: const Text('The airplane is only in Act II.'),
  onTap: () => print("ListTile")
)

Code Example 2

Adding mainAxisSize: MainAxisSize.min to the Row() instance fixes the issue.

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