flutter环境搭建完成之后,创建好了项目,在运行项目flutter run,就一直卡在那,就像这样:
运行时会卡在Running Gradle task 'assembleDebug'..., 之后就会报这样的错
FAILURE: Build failed with an exception.
* What went wrong:
Could not determine the dependencies of task ':app:compileDebugJavaWithJavac'.
> Could not resolve all task dependencies for configuration ':app:debugCompileClasspath'.
> Could not resolve io.flutter:flutter_embedding_debug:1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32.
Required by:
project :app
> Could not resolve io.flutter:flutter_embedding_debug:1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32.
> Could not get resource 'https://storage.googleapis.com/download.flutter.io/io/flutter/flutter_embedding_debug/1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32/flutter_embedding_debug-1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32.pom'.
> Could not GET 'https://storage.googleapis.com/download.flutter.io/io/flutter/flutter_embedding_debug/1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32/flutter_embedding_debug-1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32.pom'.
> Connect to storage.googleapis.com:443 [storage.googleapis.com/172.217.27.144] failed: Connection timed out: connect
> Could not resolve io.flutter:flutter_embedding_debug:1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32.
> Could not get resource 'https://storage.googleapis.com/download.flutter.io/io/flutter/flutter_embedding_debug/1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32/flutter_embedding_debug-1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32.pom'.
> Could not GET 'https://storage.googleapis.com/download.flutter.io/io/flutter/flutter_embedding_debug/1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32/flutter_embedding_debug-1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32.pom'.
> Connect to storage.googleapis.com:443 [storage.googleapis.com/34.64.4.80] failed: Connection timed out: connect
> Could not resolve io.flutter:flutter_embedding_debug:1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32.
> Could not get resource 'https://storage.googleapis.com/download.flutter.io/io/flutter/flutter_embedding_debug/1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32/flutter_embedding_debug-1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32.pom'.
> Could not GET 'https://storage.googleapis.com/download.flutter.io/io/flutter/flutter_embedding_debug/1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32/flutter_embedding_debug-1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32.pom'.
> Connect to storage.googleapis.com:443 [storage.googleapis.com/34.64.4.80] failed: Connection timed out: connect
> Could not resolve io.flutter:x86_debug:1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32.
Required by:
project :app
> Could not resolve io.flutter:x86_debug:1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32.
> Could not get resource 'https://storage.googleapis.com/download.flutter.io/io/flutter/x86_debug/1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32/x86_debug-1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32.pom'.
> Could not GET 'https://storage.googleapis.com/download.flutter.io/io/flutter/x86_debug/1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32/x86_debug-1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32.pom'.
> Connect to storage.googleapis.com:443 [storage.googleapis.com/172.217.27.144] failed: Connection timed out: connect
> Could not resolve io.flutter:x86_debug:1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32.
> Could not get resource 'https://storage.googleapis.com/download.flutter.io/io/flutter/x86_debug/1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32/x86_debug-1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32.pom'.
> Could not GET 'https://storage.googleapis.com/download.flutter.io/io/flutter/x86_debug/1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32/x86_debug-1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32.pom'.
> Connect to storage.googleapis.com:443 [storage.googleapis.com/34.64.4.80] failed: Connection timed out: connect
> Could not resolve io.flutter:x86_debug:1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32.
> Could not get resource 'https://storage.googleapis.com/download.flutter.io/io/flutter/x86_debug/1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32/x86_debug-1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32.pom'.
> Could not GET 'https://storage.googleapis.com/download.flutter.io/io/flutter/x86_debug/1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32/x86_debug-1.0.0-6bc433c6b6b5b98dcf4cc11aff31cdee90849f32.pom'.
> Connect to storage.googleapis.com:443 [storage.googleapis.com/34.64.4.80] failed: Connection timed out: connect
* 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 7m 50s
Running Gradle task 'assembleDebug'...
Running Gradle task 'assembleDebug'... Done 472.2s (!)
Exception: Gradle task assembleDebug failed with exit code 1
这是因为Gradle的Maven仓库在国外, 可以使用阿里云的镜像地址。
解决方法:
1.修改项目中android/build.gradle
文件
buildscript {
ext.kotlin_version = '1.3.50'
repositories {
// 修改
// 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:3.5.0'
classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
}
}
allprojects {
repositories {
// 修改
// 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. 修改flutter sdk安装目录下的 packages/flutter_tools/gradle/flutter.gradle
buildscript {
repositories {
// 修改
// 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:3.5.0'
}
}
// 修改
// private static final String MAVEN_REPO = "https://storage.googleapis.com/download.flutter.io";
private static final String MAVEN_REPO = "https://storage.flutter-io.cn/download.flutter.io";
3. 重新运行 flutter run