包com.example.module.activity不存在

的build.gradle（APP）包com.example.module.activity不存在

apply plugin: 'com.android.application' 

android { 
    compileSdkVersion 25 
    buildToolsVersion "25.0.0" 

    defaultConfig { 
     applicationId "sampleapp.com.sampleapplication" 
     minSdkVersion 14 
     targetSdkVersion 25 
     versionCode 1 
     versionName "1.0" 
     renderscriptTargetApi = 18 
     renderscriptSupportModeEnabled true 
     testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" 
     vectorDrawables.useSupportLibrary = true 
    } 

    buildTypes { 
     release { 
      minifyEnabled false 
      proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 
     } 
    } 
} 

ext { 
    androidSupport = '25.0.1' 
    junit = '4.12' 
    espresso = '2.2.2' 
    mockito = '2.2.26' 
} 

dependencies { 
    compile fileTree(dir: 'libs', include: ['*.jar']) 
    androidTestCompile("com.android.support.test.espresso:espresso-core:$espresso", { 
     exclude group: 'com.android.support', module: 'support-annotations' 
    }) 
    compile "com.android.support:appcompat-v7:$androidSupport" 
    testCompile "junit:junit:$junit" 
    compile project(path: ':samplemodule') 
    testCompile "org.mockito:mockito-core:$mockito" 
}

的build.gradle（模块）

apply plugin: 'com.android.library' 

android { 
    compileSdkVersion 25 
    buildToolsVersion '25.0.0' 

    defaultConfig { 
     minSdkVersion 14 
     targetSdkVersion 25 
     versionCode 1 
     versionName "1.0" 
     renderscriptTargetApi = 18 
     renderscriptSupportModeEnabled true 
     testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" 
     vectorDrawables.useSupportLibrary = true 
    } 

    buildTypes { 
     release { 
      shrinkResources true 
      minifyEnabled true 
      proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 
     } 
    } 

} 

ext { 
    androidSupportLibrary = '25.0.1' 
    espresso = '2.2.2' 
} 

dependencies { 
    compile fileTree(dir: 'libs', include: ['*.jar']) 
    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', { 
     exclude group: 'com.android.support', module: 'support-annotations' 
    }) 
    compile "com.android.support:appcompat-v7:$androidSupportLibrary" 
    testCompile 'junit:junit:4.12' 
}

我得到以下错误：

Error:(5, 45) error: package com.example.module.activity does not exist

Why do packages from library module does not exist upon compilation, even when Android Studio shows no errors in code?

Package does not exist when refrencing a java module Android Studio 1.0.1

Package does not exist when using separate App as a dependency

我在做什么错？

来源

2016-11-29 Rohit Ramkumar

在您的应用程序gradle文件中，您将包名称指定为'sampleapp.com.sampleapplication'。您是否在引发错误的活动中使用相同的软件包名称？或者你在使用？我认为它也应该是'sampleapp.com.sampleapplication' –

sampleapp.com.sampleapplication是主要的应用程序包，错误是模块包丢 –

我发现了问题：

buildTypes { 
     release { 
      shrinkResources true 
      minifyEnabled true 
      proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 
     } 
    }

当我设置miniFyEnabled false我的问题是固定的。这太奇怪了，因为这是为发布构建类型指定的，我正在调试该应用程序。

来源

2016-11-29 18:13:46

正如Rohit所说，“minifyEnabled true”是有道理的。默认情况下，似乎ProGuard会从库AAR中删除所有内容。应正确填写Proguard-rules配置文件，以便从主应用程序模块中引用类。示例：

-keep public class you.library.package.name.** { 
    public protected *; 
}

来源

2017-03-11 20:13:38

包com.example.module.activity不存在

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