Flutter入门系列（六）---常见问题，持续更新ing_flutter doctor resolving dependencies-优快云博客

本文链接：https://blog.youkuaiyun.com/chichengjunma/article/details/84630761

本文详细介绍了在搭建Flutter项目过程中可能遇到的错误及解决方法，包括Gradle配置问题、依赖解析失败、镜像源更换、Gradle版本不匹配等，并提供了具体的修改示例。

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（1）刚建好一个demo 编译运行一个demo 控制台就出现如下情况

Launching lib/main.dart on Android SDK built for x86 in debug mode...

Initializing gradle...

Resolving dependencies...

* Error running Gradle:

ProcessException: Process "/Users/xxx/develop/android/flutter_app/android/gradlew" exited abnormally:

Project evaluation failed including an error in afterEvaluate {}. Run with --stacktrace for details of the afterEvaluate {} error.

FAILURE: Build failed with an exception.

* Where:

Build file '/Users/xxx/develop/android/flutter_app/android/app/build.gradle' line: 25

* What went wrong:

A problem occurred evaluating project ':app'.

> Could not resolve all files for configuration 'classpath'.

> Could not find lint-gradle-api.jar (com.android.tools.lint:lint-gradle-api:26.1.2).

Searched in the following locations:

https://jcenter.bintray.com/com/android/tools/lint/lint-gradle-api/26.1.2/lint-gradle-api-26.1.2.jar

* 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 0s

Command: /Users/rabbit/develop/android/flutter_app/android/gradlew app:properties

Finished with error: Please review your Gradle project setup in the android/ folder.

解决办法：

修改build.gradle,注释掉jcenter()，google()。使用阿里的镜像。原因是jcenter google库无法访问到导致的问题。

buildscript {

    repositories {

        //google()

        //jcenter()

        maven { url 'https://maven.aliyun.com/repository/google' }

        maven { url 'https://maven.aliyun.com/repository/jcenter' }

        maven { url 'http://maven.aliyun.com/nexus/content/groups/public' }

    }



    dependencies {

        classpath 'com.android.tools.build:gradle:3.1.2'

    }

}



allprojects {

    repositories {

        //google()

        //jcenter()

        maven { url 'https://maven.aliyun.com/repository/google' }

        maven { url 'https://maven.aliyun.com/repository/jcenter' }

        maven { url 'http://maven.aliyun.com/nexus/content/groups/public' }

    }

}

（2）如果出现gradle版本问题，即之前开发Android项目gradle版本为低版本，装的最新的flutter中gradle版本为高版本，这时就要对gradle版本进行更换，文件目录为：/flutter/packages/flutter_tools/gradle

更改示例如下：

buildscript {
repositories {
google()
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.2.1'
}
}

（3）如果出现如下图第一个红框所示的报错