Flutter Tutorial, Flutter demo
This app is very useful for all developers. Written by 100% Dart codes.

build:

flutter build appbundle

flutter pub get && flutter pub run build_runner build --delete-conflicting-outputs

flutter build apk --debug --verbose

flutter pub cache repair

flutter pub get && flutter pub run build_runner build --delete-conflicting-outputs
Do Flutter update lên 3.0 nên proj cũng phải update. Mọi người pull giúp em code mới về. E update tool gradle ấy ạ. Sau đó mọi người chạy cho em các dòng lệnh

flutter upgrade
dart pub outdated
dart pub upgrade
flutter build apk --flavor prod -t lib/flavors/prod_main.dart
flutter run --prod apk --flavor prod -t lib/flavors/prod_main.dart
I tried out all the methods in previous answers, but all of them lasted only while the terminal was open. So I went ahead and directly added it to the path file permanently.

sudo nano /etc/paths
Add this to the file:
/Users/yourUserName/Development/flutter/bin
Save the file by pressing Ctrl + X, Y and then Enter. Close the terminal and reopen it again. Tada!

flutter build apk --debug --no-sound-null-safety
flutter build apk --release --no-sound-null-safety

delete pod file o folder ios
flutter clean
flutter pub get
cd ios
arch -x86_64 pod install --repo-update