Android 模块依赖关系

我正在尝试一个有两个模块的项目，比如说

M1

和

M2

M1

应将

M2

作为依赖项。我在

M2

中添加了一个类

Test

，我想从

M1

访问它

我正在使用Android Studio 0.3.2。无论我尝试什么（重新导入项目、同步梯度文件等等），我都无法从

M1

访问

Test

类：

无法解析符号“Test”

文件夹结构：

- root
    - M1
        - src
        - build.gradle
        - ...
    - M2
        - src
        - build.gradle
        - ...
    - build.gradle
    - settings.gradle
    - ...

include ':M1', ':M2'

buildscript {
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:0.6.+'
    }
}
apply plugin: 'android'

repositories {
    mavenCentral()
}

android {
    compileSdkVersion 19
    buildToolsVersion "19.0.0"

    defaultConfig {
        minSdkVersion 19
        targetSdkVersion 19
    }
}

dependencies {
    compile project(':M2')
}

buildscript {
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:0.6.+'
    }
}
apply plugin: 'android'

repositories {
    mavenCentral()
}

android {
    compileSdkVersion 19
    buildToolsVersion "19.0.0"

    defaultConfig {
        minSdkVersion 19
        targetSdkVersion 19
    }
}

dependencies {
}

根目录/设置。渐变：

- root
    - M1
        - src
        - build.gradle
        - ...
    - M2
        - src
        - build.gradle
        - ...
    - build.gradle
    - settings.gradle
    - ...

include ':M1', ':M2'

buildscript {
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:0.6.+'
    }
}
apply plugin: 'android'

repositories {
    mavenCentral()
}

android {
    compileSdkVersion 19
    buildToolsVersion "19.0.0"

    defaultConfig {
        minSdkVersion 19
        targetSdkVersion 19
    }
}

dependencies {
    compile project(':M2')
}

buildscript {
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:0.6.+'
    }
}
apply plugin: 'android'

repositories {
    mavenCentral()
}

android {
    compileSdkVersion 19
    buildToolsVersion "19.0.0"

    defaultConfig {
        minSdkVersion 19
        targetSdkVersion 19
    }
}

dependencies {
}

root/build.gradle:

// Top-level build file where you can add configuration options common to all sub-projects/modules.

root/M1/build.gradle:

- root
    - M1
        - src
        - build.gradle
        - ...
    - M2
        - src
        - build.gradle
        - ...
    - build.gradle
    - settings.gradle
    - ...

include ':M1', ':M2'

buildscript {
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:0.6.+'
    }
}
apply plugin: 'android'

repositories {
    mavenCentral()
}

android {
    compileSdkVersion 19
    buildToolsVersion "19.0.0"

    defaultConfig {
        minSdkVersion 19
        targetSdkVersion 19
    }
}

dependencies {
    compile project(':M2')
}

buildscript {
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:0.6.+'
    }
}
apply plugin: 'android'

repositories {
    mavenCentral()
}

android {
    compileSdkVersion 19
    buildToolsVersion "19.0.0"

    defaultConfig {
        minSdkVersion 19
        targetSdkVersion 19
    }
}

dependencies {
}

root/M2/build.gradle:

- root
    - M1
        - src
        - build.gradle
        - ...
    - M2
        - src
        - build.gradle
        - ...
    - build.gradle
    - settings.gradle
    - ...

include ':M1', ':M2'

buildscript {
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:0.6.+'
    }
}
apply plugin: 'android'

repositories {
    mavenCentral()
}

android {
    compileSdkVersion 19
    buildToolsVersion "19.0.0"

    defaultConfig {
        minSdkVersion 19
        targetSdkVersion 19
    }
}

dependencies {
    compile project(':M2')
}

buildscript {
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:0.6.+'
    }
}
apply plugin: 'android'

repositories {
    mavenCentral()
}

android {
    compileSdkVersion 19
    buildToolsVersion "19.0.0"

    defaultConfig {
        minSdkVersion 19
        targetSdkVersion 19
    }
}

dependencies {
}

运行

gradlew compileDebug

会给出：

root\M1\src\main\java\com\mypackage\m1\MainActivity.java:28: error: package com.mypackage.m2 does not exist
    com.mypackage.m2.Test test;
                    ^

---

我应该怎么做才能解决这个问题？

您的两个模块都使用了android应用程序插件

apply plugin: 'android'

如果M1依赖于M2，那么M2必须是一个库项目，它的gradle文件应该是

apply plugin: 'android-library'

---

奇怪的我有一个类似的配置，它工作得很好。所以，显而易见的问题是：当你在Android Studio中打开

MainActivity

时，你是否看到

com.mypackage.m2

下的红色波浪？类

Test

实际存在吗？你把包裹导入了吗？您是否尝试过运行

com.mypackage.m2.Test中的
gradlew clean build
？单词
Test
为红色。自动完成找不到包
m2
。它确实存在于模块
M2
中<代码>导入com.mypackage.m2.*导致
未使用的导入语句
（但没有错误）。我刚刚试过运行gradlew clean build，没有结果。啊，是的，就是这样！谢谢