如何使用Gradle创建发布签名的apk文件？

本文翻译自：How to create a release signed apk file using Gradle?

I would like to have my Gradle build to create a release signed apk file using Gradle. 我想使用Gradle构建Gradle版本以创建发布签名的apk文件。

I'm not sure if the code is correct or if I'm missing a parameter when doing gradle build ? 我不确定代码是否正确或在gradle build时是否缺少参数？

This is some of the code in my gradle file: 这是我的gradle文件中的一些代码：

android {...signingConfigs {release {storeFile file("release.keystore")storePassword "******"keyAlias "******"keyPassword "******"}}
}

The gradle build finishes SUCCESSFUL, and in my build/apk folder I only see the ...-release-unsigned.apk and ...-debug-unaligned.apk files. gradle构建成功完成，在我的build/apk文件夹中，我仅看到...-release-unsigned.apk和...-debug-unaligned.apk文件。

Any suggestions on how to solve this? 关于如何解决这个问题有什么建议吗？

#1楼

参考：https://stackoom.com/question/1Eu8g/如何使用Gradle创建发布签名的apk文件

#2楼

I managed to solve it adding this code, and building with gradle build : 我设法通过添加此代码来解决它，并使用gradle build ：

android {...signingConfigs {release {storeFile file("release.keystore")storePassword "******"keyAlias "******"keyPassword "******"}}buildTypes {release {signingConfig signingConfigs.release}}
}

This generates a signed release apk file. 这将生成一个签名的发行版apk文件。

#3楼

This is a reply to user672009 and addition to sdqali's post (his code will crash on building debug version by IDE's "Run" button): 这是对user672009的答复，也是对sdqali帖子的补充（他的代码将在IDE的“运行”按钮生成调试版本时崩溃）：

You can use the following code: 您可以使用以下代码：

final Console console = System.console();
if (console != null) {// Building from console signingConfigs {release {storeFile file(console.readLine("Enter keystore path: "))storePassword console.readLine("Enter keystore password: ")keyAlias console.readLine("Enter alias key: ")keyPassword console.readLine("Enter key password: ")}}} else {// Building from IDE's "Run" buttonsigningConfigs {release {}}}

#4楼

Note that @sdqali's script will (at least when using Gradle 1.6) ask for the password anytime you invoke any gradle task. 请注意，@ sdqali的脚本将（至少在使用Gradle 1.6时）在您调用任何 gradle任务时要求输入密码。 Since you only need it when doing gradle assembleRelease (or similar), you could use the following trick: 由于仅在进行gradle assembleRelease （或类似操作）时才需要它，因此可以使用以下技巧：

android {...signingConfigs {release {// We can leave these in environment variablesstoreFile file(System.getenv("KEYSTORE"))keyAlias System.getenv("KEY_ALIAS")// These two lines make gradle believe that the signingConfigs// section is complete. Without them, tasks like installRelease// will not be available!storePassword "notYourRealPassword"keyPassword "notYourRealPassword"}}...
}task askForPasswords << {// Must create String because System.readPassword() returns char[]// (and assigning that below fails silently)def storePw = new String(System.console().readPassword("Keystore password: "))def keyPw  = new String(System.console().readPassword("Key password: "))android.signingConfigs.release.storePassword = storePwandroid.signingConfigs.release.keyPassword = keyPw
}tasks.whenTaskAdded { theTask -> if (theTask.name.equals("packageRelease")) {theTask.dependsOn "askForPasswords"}
}

Note that I also had to add the following (under android) to make it work: 请注意，我还必须添加以下内容（在android下）以使其工作：

buildTypes {release {signingConfig signingConfigs.release}
}

#5楼

If you want to avoid hardcoding your keystore & password in build.gradle , you can use a properties file as explained here: HANDLING SIGNING CONFIGS WITH GRADLE 如果要避免在build.gradle中对您的密钥库和密码进行硬编码，则可以按照以下说明使用属性文件：使用GRUNDLE处理签名配置

Basically: 基本上：

1) create a myproject.properties file at /home/[username]/.signing with such contents: 1）在/ home / [用户名] /。signing中创建一个myproject.properties文件，其内容如下：

keystore=[path to]\release.keystore
keystore.password=*********
keyAlias=***********
keyPassword=********

2) create a gradle.properties file (perhaps at the root of your project directory) with the contents: 2）使用内容创建gradle.properties文件（也许在项目目录的根目录）：

MyProject.properties=/home/[username]/.signing/myproject.properties

3) refer to it in your build.gradle like this: 3）像这样在build.gradle中引用它：

    if(project.hasProperty("MyProject.properties")&& new File(project.property("MyProject.properties")).exists()) {Properties props = new Properties()props.load(new FileInputStream(file(project.property("MyProject.properties"))))signingConfigs {release {storeFile file(props['keystore'])storePassword props['keystore.password']keyAlias props['keyAlias']keyPassword props['keyPassword']}}
}

#6楼

Easier way than previous answers: 比以前的答案更简单的方法：

Put this into ~/.gradle/gradle.properties 将其放入~/.gradle/gradle.properties

RELEASE_STORE_FILE={path to your keystore}
RELEASE_STORE_PASSWORD=*****
RELEASE_KEY_ALIAS=*****
RELEASE_KEY_PASSWORD=*****

Modify your build.gradle like this: 像这样修改build.gradle ：

...
signingConfigs {release {storeFile file(RELEASE_STORE_FILE)storePassword RELEASE_STORE_PASSWORDkeyAlias RELEASE_KEY_ALIASkeyPassword RELEASE_KEY_PASSWORD}
}buildTypes {release {signingConfig signingConfigs.release}
}
....

Then you can run gradle assembleRelease 然后您可以运行gradle assembleRelease

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如何使用Gradle创建发布签名的apk文件？

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