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Why is this not valid pubspec.yaml this was a default one created by flutter. Someone wrote this isn't valid pubspec.yaml from oneclass.

All I did was just add -

yamlCopy code dependencies:
hive_flutter: ^1.1.0
See screenshot.

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Related questions

Is there a way to upload an flutter project here for people here to review it? See screenshot  notice the flutter program contains 5 separate pages -

main.dart, second.dart, third.dart, pubspec.yaml and bt1.dart I submitted the question earlier ,but I forgot to attach a screenshot.

Hi I fixed the material dart issue - https://oneclass.com/question/7345764-dont-understand-why-this-packa.en.html
By following people suggestions and also committed the pubspec.yaml file.
That error msg wasn't there before until I made change to fix the material.dart issue.
But now I'm getting that same error msg for
import 'package:final_project1/second.dart';
See screenshot at the bottom.
import 'package:flutter/material.dart';
import 'dart:core';
import 'package:final_project1/second.dart';
//test
void main() {
runApp(const App());
}

My pubspec.yaml - name: final_project1
description: Food Ordering

# The following line prevents the package from being accidentally published to
# pub.dev using `flutter pub publish`. This is preferred for private packages.
publish_to: 'none' # Remove this line if you wish to publish to pub.dev

# The following defines the version and build number for your application.
# A version number is three numbers separated by dots, like 1.2.43
# followed by an optional build number separated by a +.
# Both the version and the builder number may be overridden in flutter
# build by specifying --build-name and --build-number, respectively.
# In Android, build-name is used as versionName while build-number used as versionCode.
# Read more about Android versioning at https://developer.android.com/studio/publish/versioning
# In iOS, build-name is used as CFBundleShortVersionString while build-number is used as CFBundleVersion.
# Read more about iOS versioning at
# https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
# In Windows, build-name is used as the major, minor, and patch parts
# of the product and file versions while build-number is used as the build suffix.
version: 1.0.0+1

environment:
sdk: '>=2.17.1 <3.0.0'

# Dependencies specify other packages that your package needs in order to work.
# To automatically upgrade your package dependencies to the latest versions
# consider running `flutter pub upgrade --major-versions`. Alternatively,
# dependencies can be manually updated by changing the version numbers below to
# the latest version available on pub.dev. To see which dependencies have newer
# versions available, run `flutter pub outdated`.
dependencies:
flutter:
sdk: flutter
# Add the dependency
flutter_material: material.dart

# The following adds the Cupertino Icons font to your application.
# Use with the CupertinoIcons class for iOS style icons.
cupertino_icons: ^1.0.2

dev_dependencies:
flutter_test:
sdk: flutter

# The "flutter_lints" package below contains a set of recommended lints to
# encourage good coding practices. The lint set provided by the package is
# activated in the `analysis_options.yaml` file located at the root of your
# package. See that file for information about deactivating specific lint
# rules and activating additional ones.
flutter_lints: ^2.0.0

# For information on the generic Dart part of this file, see the
# following page: https://dart.dev/tools/pub/pubspec

# The following section is specific to Flutter packages.
flutter:

# The following line ensures that the Material Icons font is
# included with your application, so that you can use the icons in
# the material Icons class.
uses-material-design: true

# To add assets to your application, add an assets section, like this:
assets:
- images/


# An image asset can refer to one or more resolution-specific "variants", see
#

# For details regarding adding assets from package dependencies, see
#

# To add custom fonts to your application, add a fonts section here,
# in this "flutter" section. Each entry in this list should have a
# "family" key with the font family name, and a "fonts" key with a
# list giving the asset and other descriptors for the font. For
# example:
# fonts:
# - family: Schuyler
# fonts:
# - asset: fonts/Schuyler-Regular.ttf
# - asset: fonts/Schuyler-Italic.ttf
# style: italic
# - family: Trajan Pro
# fonts:
# - asset: fonts/TrajanPro.ttf
# - asset: fonts/TrajanPro_Bold.ttf
# weight: 700
#
# For details regarding fonts from package dependencies,
# see


pubspec.yaml screenshot below

Device Manager in Android Studio Eel version is grayed out. Flutter project was from Android Studio Dolphin. I don't see any errors in Flutter. See screenshots of all my dart files and android Studio Eel notice device manager and play button  is grayed out.

main.dart - No issue see screenshot.

 

second.dart - No issue see screenshot

third.dart - No issue see screenshot

bt1.dart - No issue see screenshot

Android Studio Eel version both device manager and play button is grayed out. See screenshot

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