got this exception when I add pubnub: ^1.4.4
into pubspec.yaml
Because pubnub >=1.0.2 <3.2.0 depends on dio ^3.0.0 and talad_flutter depends on dio ^4.0.0, pubnub >=1.0.2 <3.2.0 is forbidden. So, because talad_flutter depends on pubnub ^1.4.4, version solving failed.
I've tried to reduce version of each library but still not luck.
here is my full pubspec.yaml
name: mytest_flutter
description: A new Flutter project.
publish_to: "none"
version: 1.0.0+1
environment:
sdk: ">=2.7.0 <3.0.0"
dependencies:
flutter:
sdk: flutter
cupertino_icons: ^1.0.2
provider: ^5.0.0
http: ^0.13.1
flutter_staggered_grid_view: ^0.4.0
carousel_slider: ^3.0.0
countdown_flutter: ^0.1.2
intl: ^0.17.0
percent_indicator: ^3.0.1
custom_refresh_indicator: ^0.9.0
material_design_icons_flutter: ^4.0.5955
flutter_spinkit: ^5.0.0
image_picker: ^0.7.4
firebase_ml_vision: ^0.11.0+2
firebase_core: ^1.0.3
cached_network_image: ^3.0.0
font_awesome_flutter: ^9.0.0
cloud_firestore: ^1.0.4
url_launcher: ^6.0.3
rflutter_alert: ^2.0.2
shared_preferences: ^2.0.5
smooth_star_rating: ^1.1.1
share: ^2.0.1
flutter_html: ^1.3.0
dio: ^4.0.0
flutter_tags: ^0.4.9+1
package_info: ^2.0.0
smart_select: ^4.3.2
google_maps_flutter: ^2.0.3
geolocator: ^7.0.3
timeago: ^3.0.2
firebase_storage: ^8.0.5
firebase_messaging: ^9.1.3
fl_chart: ^0.36.0
webview_flutter: ^1.0.7
pubnub: ^1.4.4
dev_dependencies:
flutter_test:
sdk: flutter
flutter_launcher_icons: ^0.9.0
flutter:
uses-material-design: true
assets:
- assets/images/
flutter_icons:
android: true
image_path_android: "assets/images/logo.png"
ios: true
image_path_ios: "assets/images/logo.png"
if you update last version. Maybe error version. You can use
and flutter get pub. It works for you.