我有这个错误，有人能告诉我解决方案吗？它显示无法从缓存加载构建文件"C:\src\flatter.pub cache\hosted\pub.dartlang.org\firebase_database-6.0\android\build.gradle"的编译类。我不确定是什么导致了这个错误，因为我所有的依赖项都是最新版本。
FAILURE: Build failed with an exception.
* What went wrong:
A problem occurred configuring project ':firebase_database'.
> Could not load compiled classes for build file 'C:srcflutter.pub-cachehostedpub.dartlang.orgfirebase_database-6.0.0androidbuild.gradle' from cache.
> Failed to notify project evaluation listener.
> Could not get unknown property 'android' for project ':firebase_database' of type org.gradle.api.Project.
> Could not find method implementation() for arguments [project ':firebase_core'] on object of type org.gradle.api.internal.artifacts.dsl.dependencies.DefaultDependencyHandler.
这些是我在项目中的pubspec.yaml文件中的依赖项。
dependencies:
flutter:
sdk: flutter
firebase_core: ^0.7.0
firebase_auth: ^0.20.0
fluttertoast: ^7.1.8
google_maps_flutter: ^2.0.1
firebase_database: ^6.0.0
geolocator: ^6.1.1
http:
provider: ^5.0.0
在项目级build.gradle中添加：
classpath 'com.google.gms:google-services:4.3.5'
在应用程序级别的build.gradle中添加：
apply plugin: 'com.google.gms.google-services'
//above the dependencies tag