shared_preferences_windows-2.4.1 sqflite-2.4.1 sqflite_android-2.4.0 sqflite_darwin-2.4.1+1 url_launcher-6.3.1 url_launcher_android-6.3.14 url_launcher_ios-6.3.2 url_launcher_linux-3.2.1 ...

This will add a line like this to your package's pubspec.yaml (and run an implicit flutter pub get): dependencies: url_launcher: ^6.2.5 Alternatively, your editor might support flutter pub get. Check ...