flutter location package version conflict with google_map_location_picker - flutter

Question

I download a source code from codecanyone but
I am facing the following issue when adding google_map_location_picker package
Because location 4.3.0 depends on location_platform_interface ^2.3.0 and no versions of location_platform_interface match >2.3.0 <3.0.0, location 4.3.0 requires location_platform_interface 2.3.0.
And because location_platform_interface 2.3.0 depends on plugin_platform_interface ^2.0.0 and geolocator_platform_interface <2.0.0-nullsafety.0 depends on plugin_platform_interface ^1.0.2, location 4.3.0 is incompatible with geolocator_platform_interface <2.0.0-nullsafety.0.
And because google_map_location_picker >=4.1.3 depends on geolocator ^6.1.14 which depends on geolocator_platform_interface ^1.0.8, location 4.3.0 is incompatible with google_map_location_picker >=4.1.3.
So, because markets depends on both google_map_location_picker 4.1.7 and location 4.3.0, version solving failed.
pub get failed (1; So, because markets depends on both google_map_location_picker 4.1.7 and location 4.3.0, version solving failed.)
here is my pubspec.yaml file
name: markets
description: markets
# 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 used as CFBundleVersion.
# Read more about iOS versioning at
# https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
version: 2.2.0
environment:
sdk: ">=2.2.2 <3.0.0"
module:
androidX: true
dependencies:
flutter:
sdk: flutter
flutter_localizations:
sdk: flutter
# The following adds the Cupertino Icons font to your application.
# Use with the CupertinoIcons class for iOS style icons.
cupertino_icons: 1.0.4
google_maps_flutter: 2.1.1
google_map_location_picker: 4.1.7
mvc_pattern: 6.6.4+2
global_configuration: 2.0.0-nullsafety.1
html: 0.15.0
shared_preferences: 2.0.13
flutter_html: 3.0.0-alpha.2
flutter_svg: 1.0.3
location: 4.3.0
webview_flutter: 3.0.0
url_launcher: 6.0.20
cached_network_image: 3.2.0
fluttertoast: 8.0.8
flutter_staggered_grid_view: 0.4.0-nullsafety.3
intl_utils: 2.6.1
carousel_slider: 4.0.0
cloud_firestore: 3.1.8
firebase_auth: 3.3.7
firebase_core: 1.12.0
firebase_messaging: 11.2.6
firebase_storage: 8.0.0
image_picker: 0.7.5+4
string_validator: 0.3.0
platform: 3.1.0
dev_dependencies:
flutter_test:
sdk: flutter
# 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.
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:
- assets/cfg/
- assets/img/
# An image asset can refer to one or more resolution-specific "variants", see
# https://flutter.dev/assets-and-images/#resolution-aware.
# For details regarding adding assets from package dependencies, see
# https://flutter.dev/assets-and-images/#from-packages
# 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: ProductSans
fonts:
- asset: assets/fonts/ProductSans-Thin.ttf
weight: 100
- asset: assets/fonts/ProductSans-Thin.ttf
weight: 200
- asset: assets/fonts/ProductSans-Light.ttf
weight: 300
- asset: assets/fonts/ProductSans-Regular.ttf
weight: 400
- asset: assets/fonts/ProductSans-Medium.ttf
weight: 500
- asset: assets/fonts/ProductSans-Bold.ttf
weight: 600
- asset: assets/fonts/ProductSans-Black.ttf
weight: 700
- asset: assets/fonts/ProductSans-Black.ttf
weight: 800
- asset: assets/fonts/ProductSans-Black.ttf
weight: 900
# - family: Trajan Pro
# fonts:
# - asset: assets/fonts/TrajanPro.ttf
# - asset: assets/fonts/TrajanPro_Bold.ttf
# weight: 700
#
# For details regarding fonts from package dependencies,
# see https://flutter.dev/custom-assets/fonts/#from-packages
flutter_intl:
enabled: true

Answer 1

You've just stumbled upon a Dependency Hell. google_map_location_picker is pretty old now (16 months already) and it uses outdated versions of other packages that some dependencies from the pubspec.yaml depends on itself.
If you remove google_map_location_picker from the dependencies everything installs smoothly. Your best option then would be to fork google_map_location_picker and change the dependencies yourself and point its dependency in the pubspec.yaml to this fork of yours.
To add the fork as a dependency, for example from Github, do something like this:
dependencies:
flutter:
sdk: flutter
carousel_pro:
git:
url: git://github.com/your_account/google_map_location_picker_fork.git
ref: main # branch name