Conflict with dependency 'com.android.support:support-annotations' in project与Google

最新推荐文章于 2019-03-05 10:31:46 发布

原创最新推荐文章于 2019-03-05 10:31:46 发布 · 345 阅读

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问题一：Conflict with dependency 'com.android.support:support-annotations

解决方法：build.gradle中添加：

android {
		  ...
}

configurations.all {
    resolutionStrategy.force 'com.android.support:support-annotations:27.1.1'
}

dependencies {
			...
}

问题二：Failed to resolve support-annotations：

解决：

在项目的Project的build.gradle中maven仓库添里面，下面两个仓库地址，任意添加其中之一即可：

allprojects {
    repositories {
        ......
        maven { url "https://maven.google.com"}//需要添加的仓库地址
        maven { url "https://dl.google.com/dl/android/maven2/"}//需要添加的仓库地址
    }
}

问题三：Google仓库

allprojects {
    repositories {
    	//注意一：Google仓库要放在前边
    	//方式一：
    	//google()     
    	//Gradle 4.0 and later
    	//Android Studio 3.0 and later
		//Gradle plugin for android 3.0 and later
		
		//所以推荐以下mavenGoogle，作用一样
		//方式二：
        maven { url 'https://maven.google.com' }
        
        //尽量使用mavenGoogle仓库
		//方式三：(国内强烈推荐这种)
         maven { url "https://dl.google.com/dl/android/maven2/"}//需要添加的仓库地址

        jcenter()
    }
		...
}

Android Studio Gradle无法获取pom文件

在Project的build.gradle里的allprojects里添加

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

并点击 Gradle—>设置—>Android Studio，勾选 Enable embedded Maven repository

gradle配置国内镜像Enable embedded Maven repository

参考：

gradle配置国内镜像

Could not GET 'https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/3.1.2/gradle-3

Android Studio在构建项目时会拉取gradle资源，而goole和jcenter在国内的网络环境并不好用，容易产生connect timeout等错误。
因此将地址修改成阿里云的国内镜像。

Enable embedded Maven repository

buildscript {
    repositories {
		//国内maven库镜像（阿里云）
        maven{ url 'http://maven.aliyun.com/nexus/content/groups/public/' }
        maven{ url 'http://maven.aliyun.com/nexus/content/repositories/jcenter'}
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.3.0-alpha13'
    }
}
allprojects {
    repositories {
        maven{ url 'http://maven.aliyun.com/nexus/content/groups/public/'}
        maven{ url 'http://maven.aliyun.com/nexus/content/repositories/jcenter'}
    }
}
task clean(type: Delete) {
    delete rootProject.buildDir
}

仓库名称	代理源地址	使用地址
central	https://repo1.maven.org/maven2/	https://maven.aliyun.com/repository/central 或 https://maven.aliyun.com/nexus/content/repositories/central
jcenter	http://jcenter.bintray.com/	https://maven.aliyun.com/repository/jcenter 或 https://maven.aliyun.com/nexus/content/repositories/jcenter
public	central仓和jcenter仓的聚合仓	https://maven.aliyun.com/repository/public 或https://maven.aliyun.com/nexus/content/groups/public
google	https://maven.google.com/	https://maven.aliyun.com/repository/google 或 https://maven.aliyun.com/nexus/content/repositories/google

参考：阿里云公共代理库