Gradle任务在构建配置中更改布尔值 [英] Gradle task to change a boolean in build config

问题描述

我想创建一个非常简单的任务，该任务可以更改gradle配置中的布尔值.

I would like to create a very simple task which change a boolean in my gradle config.

我在一个可以使用多个配置文件运行的Android应用程序上工作，对于每次构建，都需要指定我的代码中该应用程序是否必须伪造蓝牙.

I work on an Android application which can be run with several profiles, and for each build a need to specify if in my code the app must fake the bluetooth or not.

我的gradle(相关代码):

My gradle (relevant code) :

def fakeBluetooth = "true"

buildTypes {
    debug {
        minifyEnabled false
        signingConfig android.signingConfigs.debug
        buildConfigField "boolean", "fakeBluetooth", fakeBluetooth
    }
    release {
        minifyEnabled true
        signingConfig android.signingConfigs.release
        buildConfigField "boolean", "fakeBluetooth", fakeBluetooth
    }
}

task noFakeBluetooth {
    fakeBluetooth = "false"
}

在我的Java代码中的使用示例:

Example of use in my java code :

if (BuildConfig.fakeBluetooth) {
    processFictiveBluetoothService();
} else {
    // other case
}

在命令行中的使用示例:

Examples of use in command line :

./gradlew iDebug noFakeBluetooth

和

./gradlew iDebug

问题:在两种情况下，fakeBluetooth的值始终为"true"(cmd行中带有或不带有"noFakeBluetooth").

Problem : in both cases the value of fakeBluetooth is always "true" (with or without "noFakeBluetooth" in cmd line).

推荐答案

您可以使用项目属性来传递值:

You can use project properties to pass the value:

buildTypes {
    debug {
        minifyEnabled false
        signingConfig android.signingConfigs.debug
        buildConfigField "boolean", "fakeBluetooth", fakeBluetooth()
    }
    release {
        minifyEnabled true
        signingConfig android.signingConfigs.release
        buildConfigField "boolean", "fakeBluetooth", fakeBluetooth()
    }
}

def fakeBluetooth() {
    def value = project.getProperties().get("fakeBluetooth")
    return value != null ? value : "true"
}

然后您可以通过以下方式传递属性:

And then you can pass the property with:

./gradlew iDebug -PfakeBluetooth=true

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