建立在摇篮变种图书馆项目的Andr​​oid [英] Build variants in Gradle for a Library Project in Android

问题描述

我想配置与摇篮里面包含一些外部库的项目。随着摇篮我可以设置不同的环境配置（用类中的配置文件）使用生成变异，所以我可以根据这个变量执行code中的主要应用。

I am trying to configure with Gradle a project which contains some external libraries. With Gradle I can setup different Environmental Configuration (with a class inside a config file) for the main application using the Build Variants so I can execute code according to this variables.

问题是，我该怎么办相同的库项目？我创造了这个库，这个项目，我想设置不同的构建变数不同的方案。

The problem is that how I can do the same for a library project? I created this library for this project and I would like to setup different Build Variants for different scenarios.

作为一个例子： 在图书馆，在调试模式下运行时，然后打印所有的日志，这样我就可以看到他们在开发。在释放模式不。

As an example: In the Library, when running in debug mode, then print all the logs so I can see them while developing. In release mode dont.

文件的结构：

src ----- > debug -> java -> config -> PlayerEnvConfig
            main -> com.mypackagename -> etc...
            release -> java -> config -> PlayerEnvConfig

code。在调试： 包配置;

Code in debug: package config;

/**
 * Environment configuration for Release
*/
public final class PlayerEnvConfig {
    public static final boolean USE_REPORTING = true;
    public static final boolean USE_ANALYTICS = true;
    public static final boolean USE_LOGGING = false;
    public static final boolean USE_DEBUG_LOGGING = false;
    public static final boolean USE_DEBUGING = false;
}

code的释放：

Code in release:

package config;

/**
 * Environment configuration for Release
*/
public final class PlayerEnvConfig {
    public static final boolean USE_REPORTING = true;
    public static final boolean USE_ANALYTICS = true;
    public static final boolean USE_LOGGING = false;
    public static final boolean USE_DEBUG_LOGGING = false;
    public static final boolean USE_DEBUGING = false;
}

现在的问题是，对于主要项目，我可以用这个生成类型来配置不同的应用程序不同的情况，但我怎么可以做同样的图书馆计划？

The problem is that for the main project I can use this Build types to configure differently the application for different scenarios, but how can I do the same for the Library Project?

由于在从我读<一个瞬间href="http://tools.android.com/tech-docs/new-build-system/user-guide">http://tools.android.com/tech-docs/new-build-system/user-guide该库将只使用调试模式，同时测试。

Because at the moment from what I read in http://tools.android.com/tech-docs/new-build-system/user-guide the library only will use the debug mode while testing.

任何想法？

谢谢！

推荐答案

不知道什么是错的配置，但你需要，我会做不同的看法。

Not sure what's wrong with your configuration but about your need, I would do it differently.

在摇篮构建文件，你可以使用 buildConfig 关键词到指定的行添加到 BuildConfig.java 生成的类。

In the gradle build file you can use the buildConfig keyword to add a specific line to the BuildConfig.java generated class.

所以，你可以添加做这样的事情，在你的 build.gradle ：

So you could add do something like that in your build.gradle :

    release {
        buildConfig "public static final String USE_REPORTING = true;"
    }
    debug {

        buildConfig "public static final String USE_REPORTING = false;"
    }

所以，只有一个 PlayerEnvConfig 与

public static final boolean USE_REPORTING = BuildConfig.USE_REPORTING;

甚至没有更多的 PlayerEnvConfig 和直接使用的 BuildConfig 类。

编辑自更新，语法发生了变化：

EDIT Since an update, the syntax has changed :

buildConfigField "<type>", "<name>", "<value>"

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