Kotlin开发Android App - Hello Word
安装Android Studio
下载
官方下载地址:Android Studio

安装
1、点击下载好的exe程序。注意:到此步不要勾选安装模拟器。

2、安装SDK。注意:路径不要放C盘,会很大。


3、点击左下角设置按钮,选择setting,打开:Build, Execution, Deployment=》Build Tools=》Gradle;讲Gradle user home路径修改到非D盘(Gradle 会很大)。


第一个安卓APP
新建项目
点击New Project,选择Empty Activity。配置页不需要修改什么。


配置项目
首先点击Build图标,停止Build。

打开gradle\wrapper\gradle-wrapper.properties,将distributionUrl路径注释掉,替换为国内(阿里云)地址。注意版本号要一致,且将之前的bin版本替换为all版本。
#Thu Jan 08 16:37:18 CST 2026
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
#distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-bin.zip
distributionUrl=https\://mirrors.aliyun.com/macports/distfiles/gradle/gradle-8.13-all.zip
networkTimeout=10000
validateDistributionUrl=true
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
打开settings.gradle.kts,找到两个repositories字段,在里面添加如下代码:
maven { url=uri("https://maven.aliyun.com/repository/google") }
maven { url=uri("https://maven.aliyun.com/repository/releases") }
maven { url=uri("https://maven.aliyun.com/repository/central") }
maven { url=uri("https://maven.aliyun.com/repository/public") }
maven { url=uri("https://maven.aliyun.com/repository/gradle-plugin") }
maven { url=uri("https://maven.aliyun.com/repository/apache-snapshots") }
maven { url=uri("https://maven.aliyun.com/nexus/content/groups/public/")}
maven { url=uri("https://jitpack.io") }
google()
mavenCentral()
gradlePluginPortal()修改完的代码示例如下:
pluginManagement {
repositories {
maven { url=uri("https://maven.aliyun.com/repository/google") }
maven { url=uri("https://maven.aliyun.com/repository/releases") }
maven { url=uri("https://maven.aliyun.com/repository/central") }
maven { url=uri("https://maven.aliyun.com/repository/public") }
maven { url=uri("https://maven.aliyun.com/repository/gradle-plugin") }
maven { url=uri("https://maven.aliyun.com/repository/apache-snapshots") }
maven { url=uri("https://maven.aliyun.com/nexus/content/groups/public/")}
maven { url=uri("https://jitpack.io") }
google()
mavenCentral()
gradlePluginPortal()
google {
content {
includeGroupByRegex("com\\.android.*")
includeGroupByRegex("com\\.google.*")
includeGroupByRegex("androidx.*")
}
}
mavenCentral()
gradlePluginPortal()
}
}
dependencyResolutionManagement {
repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
repositories {
maven { url=uri("https://maven.aliyun.com/repository/google") }
maven { url=uri("https://maven.aliyun.com/repository/releases") }
maven { url=uri("https://maven.aliyun.com/repository/central") }
maven { url=uri("https://maven.aliyun.com/repository/public") }
maven { url=uri("https://maven.aliyun.com/repository/gradle-plugin") }
maven { url=uri("https://maven.aliyun.com/repository/apache-snapshots") }
maven { url=uri("https://maven.aliyun.com/nexus/content/groups/public/")}
maven { url=uri("https://jitpack.io") }
google()
mavenCentral()
gradlePluginPortal()
google()
mavenCentral()
}
}
rootProject.name = "My Android(Application"
include(":app")
然后点击刚刚stop按钮上面的Sync按钮重新build项目。
创建模拟器
点击右侧工具栏的Device Manager、点击+号、选择Create.....选项。在新的页面选择Pixel 9 Pro,然后一路Next,等待下载就好了。


运行项目
点击上方的设备列表选择刚刚安装的Pixel 9 Pro,然后点击运行按钮:

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