flutter build apk
1、出现问题
* Where:
Build file '/Users/***/**/flutterStudy/flutter_app01/android/app/build.gradle' line: 26
* What went wrong:
A problem occurred evaluating project ':app'.
> Could not resolve all artifacts for configuration 'classpath'.
> Could not resolve com.android.tools.build:gradle:3.5.0.
Required by:
unspecified:unspecified:unspecified
> Could not resolve com.android.tools.build:gradle:3.5.0.
> Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/3.5.0/gradle-3.5.0.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/3.5.0/gradle-3.5.0.pom'.
> Connect to 127.0.0.1:1087 [/127.0.0.1] failed: Connection refused (Connection refused)
> Could not resolve com.android.tools.build:gradle:3.5.0.
> Could not get resource 'https://jcenter.bintray.com/com/android/tools/build/gradle/3.5.0/gradle-3.5.0.pom'.
> Could not GET 'https://jcenter.bintray.com/com/android/tools/build/gradle/3.5.0/gradle-3.5.0.pom'. > Connect to 127.0.0.1:1087 [/127.0.0.1] failed: Connection refused (Connection refused)* 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
解决问题：在你的gradle.properties（注意不是工程文件喽：指的是C:/Users/Administrator/.gradle夹中 MAC 电脑的本地的 gradle.properties 在用户目录下 .gradle 文件夹中）文件中把 如下配置去掉：
systemProp.http.proxyHost=127.0.0.1
systemProp.https.proxyPort=1087
systemProp.https.proxyHost=127.0.0.1
systemProp.http.proxyPort=1087
2、出现问题
* Where:
Build file '/Users/***/***/flutterStudy/flutter_app01/android/app/build.gradle' line: 26
* What went wrong:
A problem occurred evaluating project ':app'.
> Could not resolve all artifacts for configuration 'classpath'.
> Could not resolve com.google.code.findbugs:jsr305:3.0.2.
Required by:
unspecified:unspecified:unspecified > com.android.tools.build:gradle:3.5.0 > com.android.tools.build:builder:3.5.0 > com.android.tools.build:apkzlib:3.5.0
> Could not resolve com.google.code.findbugs:jsr305:3.0.2.
> Could not get resource 'https://jcenter.bintray.com/com/google/code/findbugs/jsr305/3.0.2/jsr305-3.0.2.pom'.
> Could not GET 'https://jcenter.bintray.com/com/google/code/findbugs/jsr305/3.0.2/jsr305-3.0.2.pom'.
> Read timed out
> Could not resolve com.google.guava:failureaccess:1.0.1.
Required by:
unspecified:unspecified:unspecified > com.android.tools.build:gradle:3.5.0 > com.android.tools.analytics-library:crash:26.5.0 > com.google.guava:guava:27.0.1-jre
> Skipped due to earlier error
> Could not resolve com.google.guava:listenablefuture:9999.0-empty-to-avoid-conflict-with-guava.
Required by:
unspecified:unspecified:unspecified > com.android.tools.build:gradle:3.5.0 > com.android.tools.analytics-library:crash:26.5.0 > com.google.guava:guava:27.0.1-jre
> Skipped due to earlier error
> Could not resolve com.google.code.findbugs:jsr305:3.0.2.
Required by:
unspecified:unspecified:unspecified > com.android.tools.build:gradle:3.5.0 > com.android.tools.analytics-library:crash:26.5.0 > com.google.guava:guava:27.0.1-jre
> Could not resolve com.google.code.findbugs:jsr305:3.0.2.
> Could not get resource 'https://jcenter.bintray.com/com/google/code/findbugs/jsr305/3.0.2/jsr305-3.0.2.pom'.
> Could not GET 'https://jcenter.bintray.com/com/google/code/findbugs/jsr305/3.0.2/jsr305-3.0.2.pom'.
> Read timed out
> Could not resolve org.checkerframework:checker-qual:2.5.2.
Required by:
unspecified:unspecified:unspecified > com.android.tools.build:gradle:3.5.0 > com.android.tools.analytics-library:crash:26.5.0 > com.google.guava:guava:27.0.1-jre
> Skipped due to earlier error
> Could not resolve org.codehaus.mojo:animal-sniffer-annotations:1.17.
Required by:
unspecified:unspecified:unspecified > com.android.tools.build:gradle:3.5.0 > com.android.tools.analytics-library:crash:26.5.0 > com.google.guava:guava:27.0.1-jre
> Skipped due to earlier error
> Could not resolve commons-codec:commons-codec:1.10.
Required by:
unspecified:unspecified:unspecified > com.android.tools.build:gradle:3.5.0 > com.android.tools.analytics-library:crash:26.5.0 > org.apache.httpcomponents:httpclient:4.5.6
> Skipped due to earlier error
> Could not resolve org.jetbrains.kotlin:kotlin-stdlib-common:1.3.41.
Required by:
unspecified:unspecified:unspecified > com.android.tools.build:gradle:3.5.0 > org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.3.41 > org.jetbrains.kotlin:kotlin-stdlib:1.3.41
> Skipped due to earlier error
解决方法：
修改项目android/build.gradle
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:3.2.1'
}
}
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' }
}
}
flutter build apk 完美
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