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NotesUESTC/Android开发笔记/AndroidStudio环境和依赖问题笔记/安卓开发环境配置问题.md

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# 安卓开发环境配置问题
## 一、gradle的问题
由于国内网络环境的问题导致gradle经常没有办法正常下载从而难以正常构建Android程序。
## 1.1 gradle下载失败的问题
Android Studio首次创建项目或其他操作时会更新Gradle由于一些原因会导致下载失败就会提示ERRORGradle project sync failed。解决办法如下
1.根据报错提示的链接直接下载gradle-xxxxx.zip可以通过浏览器在 https://services.gradle.org/distributions/ 下载对应的版本。
![image-20231124132205455](./Image/image-20231124132205455.png)
如上图所示可以看到Android Studio正在下载gradle-8.0-bin.zip, 如果反复失败,可以通过上面的网址直接通过浏览器下载(如果不能访问可能需要使用科学上网),在网页中,我们可以找到对应的下载链接。:
<img src="./Image/image-20231124132430205.png" alt="image-20231124132430205" style="zoom: 50%;" />
2.虽然AndroidStudio Gradle下载失败但是会在你的C盘创建一个文件夹如 C:\Users(你的用户名).gradle\wrapper\dists\gradle-6.5-bin\xxxxxxx(最后一级目录,每个人的文件名可能不一样)
<img src="/Image/image-20231124132703141.png" alt="image-20231124132703141" style="zoom:50%;" />
我们将步骤1中下载号的gradle-8.0-bin.zip复制到存在gradle-8.0-bin.zip.lck和gradle-8.0-bin.zip.part文件的文件夹中。
3.修改Android Studio的gradle-wrapper文件
<center>
<img src="./Image/image-20231124133122986.png" alt="image-20231124133122986" style="zoom:50%;" />
</center>
修改的方式如下不同环境下路径存在不同根据实际情况调整即可重要的是要正确映射gradle的位置。
```shell
# Fri Nov 24 11:56:39 CST 2023
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
# 这是修改后的distributionUrl,把原先的网络地址映射为本地地址,程序通过本地地址下载
distributionUrl=file:///C:/Users/admin/.gradle/wrapper/dists/gradle-8.0-bin/ca5e32bp14vu59qr306oxotwh/gradle-8.0-bin.zip
# 下面是原地址
#distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
```
4.最后重启AndroidStudio或者点击Sync Now就可以了。
## 二、Maven仓库配置问题
目前最新版本的Android Studio的依赖配置和旧版本不太一样。一般来说如果采用默认的仓库配置下载速度过慢同时容易失败。
```shell
# 旧版
pluginManagement {
repositories {
//新增这 4
maven { url 'https://maven.aliyun.com/repository/public/' }
maven { url 'https://maven.aliyun.com/repository/google/' }
maven { url 'https://maven.aliyun.com/repository/jcenter/' }
maven { url 'https://maven.aliyun.com/repository/central/' }
google()
mavenCentral()
gradlePluginPortal()
}
}
dependencyResolutionManagement {
repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
repositories {
//新增这 4
maven { url 'https://maven.aliyun.com/repository/public/' }
maven { url 'https://maven.aliyun.com/repository/google/' }
maven { url 'https://maven.aliyun.com/repository/jcenter/' }
maven { url 'https://maven.aliyun.com/repository/central/' }
google()
mavenCentral()
}
}
rootProject.name = "helloworld"
include ':app'
# 最新版 maven写法发生了改变 maven { url 'https://jitpack.io' } => maven { url = uri("https://jitpack.io") }
pluginManagement {
repositories {
maven { url = uri("https://maven.aliyun.com/repository/public/") }
maven { url = uri("https://maven.aliyun.com/repository/google/") }
maven { url = uri("https://maven.aliyun.com/repository/jcenter/") }
maven { url = uri("https://maven.aliyun.com/repository/central/") }
google()
mavenCentral()
gradlePluginPortal()
}
}
dependencyResolutionManagement {
repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
repositories {
maven { url = uri("https://maven.aliyun.com/repository/public/") }
maven { url = uri("https://maven.aliyun.com/repository/google/") }
maven { url = uri("https://maven.aliyun.com/repository/jcenter/") }
maven { url = uri("https://maven.aliyun.com/repository/central/") }
google()
mavenCentral()
}
}
```