How to Detect Memory Leaks in Flutter?

Detect Memory Leaks in Flutter

Use Flutter DevTools

• Open DevTools (flutter pub global activate devtools)
• Check the Memory tab for retained objects.

Profile Heap with Observatory (dart:developer)

import 'dart:developer' as dev;

dev.log('Memory usage', name: 'MY_APP_MEMORY');

Use leak_tracker Package

dependencies:
  leak_tracker: 

Memory leaks in Flutter mostly happen due to improper disposal of objects, keeping unnecessary references, and misusing widgets like StreamBuilder, FutureBuilder, and AnimationController. Always dispose resources properly, avoid static stateful objects, optimize image loading, and monitor memory usage using DevTools.