android - Flutter Image_picker无法解析所有 Artifact 以进行配置

Question

在pubspec.yaml文件中添加image picker包后。
我尝试运行Flutter应用程序，但运行失败。
我尝试运行flutter项目时遇到的错误:

    FAILURE: Build failed with an exception.    * What went wrong:    A problem occurred configuring project ':image_picker'.    > Could not resolve all artifacts for configuration ':image_picker:classpath'.       > Could not find crash.jar (com.android.tools.analytics-library:crash:26.3.0).         Searched in the following locations:             https://dl.google.com/dl/android/maven2/com/android/tools/analytics-library/crash/26.3.0/crash-26.3.0.jar       > Could not find apkzlib.jar (com.android.tools.build:apkzlib:3.3.0).         Searched in the following locations:             https://dl.google.com/dl/android/maven2/com/android/tools/build/apkzlib/3.3.0/apkzlib-3.3.0.jar       > Could not find apksig.jar (com.android.tools.build:apksig:3.3.0).         Searched in the following locations:             https://dl.google.com/dl/android/maven2/com/android/tools/build/apksig/3.3.0/apksig-3.3.0.jar       > Could not find annotations.jar (com.android.tools:annotations:26.3.0).         Searched in the following locations:             https://dl.google.com/dl/android/maven2/com/android/tools/annotations/26.3.0/annotations-26.3.0.jar       > Could not find databinding-common.jar (androidx.databinding:databinding-common:3.3.0).         Searched in the following locations:             https://dl.google.com/dl/android/maven2/androidx/databinding/databinding-common/3.3.0/databinding-common-3.3.0.jar       > Could not find baseLibrary.jar (com.android.databinding:baseLibrary:3.3.0).         Searched in the following locations:             https://dl.google.com/dl/android/maven2/com/android/databinding/baseLibrary/3.3.0/baseLibrary-3.3.0.jar    > Failed to notify project evaluation listener.       > Could not get unknown property 'android' for project ':image_picker' of type org.gradle.api.Project.       > Could not find method implementation() for arguments [project ':flutter_plugin_android_lifecycle'] on object of type org.gradle.api.internal.artifacts.dsl.dependencies.DefaultDependencyHandler.        * Try:    Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.        * Get more help at https://help.gradle.org        BUILD FAILED in 9s    

---

pubspce.yaml dependencies :

    dependencies:
      flutter:
        sdk: flutter
      # adobe_xd: ^0.1.4
      # The following adds the Cupertino Icons font to your application.
      # Use with the CupertinoIcons class for iOS style icons.
      cupertino_icons: ^0.1.2
      google_fonts_arabic: ^1.1.7
      scoped_model: ^1.0.1
      http: ^0.12.2
      shared_preferences: ^0.5.8
      flutter_svg: ^0.18.0
      image_picker: ^0.6.7+4

build.gradle内容:

buildscript {
    ext.kotlin_version = '1.3.50'
    repositories {
     google()
    mavenCentral()
    jcenter()
    }

    dependencies {
        classpath 'com.android.tools.build:gradle:3.5.0'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
    }
}

allprojects {
 repositories {
     google()
    mavenCentral()
    jcenter()
    }
}

rootProject.buildDir = '../build'
subprojects {
    project.buildDir = "${rootProject.buildDir}/${project.name}"
}
subprojects {
    project.evaluationDependsOn(':app')
}
task clean(type: Delete) {
    delete rootProject.buildDir
}

Answer 1

1-检查依赖项是否安装正确
如果可以的话
2-尝试重新启动应用程序
如果不
2-尝试安装Flutter SDK开发人员版本而不是稳定版本
编辑
3-在终端执行此命令

flutter clean

清理旧建筑。
第二个推荐 flutter pub cache repair