Execution failed for task ':app:transformResourcesWithMergeJavaResForDebug'

异常描述

Android Studio 编译运行的时候，出现以下错误：



Error:Executionfailedfortask’:app:transformResourcesWithMergeJavaResForDebug’.

com.android.build.api.transform.TransformException: com.android.builder.packaging.DuplicateFileException: Duplicate files copied in APK META-INF/rxjava.properties

File1:C:\Users\10648.gradle\caches\modules-2\files-2.1\io.reactivex.rxjava2\rxjava\2.0.0\5151c737c01616c372c3d00ab145868ede10e826\rxjava-2.0.0.jar

File2:C:\Users\10648.gradle\caches\modules-2\files-2.1\io.reactivex\rxjava\1.1.6\2586312cd2b8a511e4c6236736f5a039fc0f2273\rxjava-1.1.6.jar

问题分析

这个问题，google搜索一下，就会发现：

2.x: Duplicated file rxjava.properties #4445

截图：

解决

在你的

app/build.gradle

添加如下代码：

android {
...
packagingOptions {
exclude 'META-INF/rxjava.properties'
}
}

如果你还是不知道添加到什么地方，请继续往下看：

修改前 :

apply plugin: 'com.android.application'

android {
compileSdkVersion 25
buildToolsVersion "25.0.2"

defaultConfig {
applicationId "com.kite.cloudlearn"
minSdkVersion 19
targetSdkVersion 25
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
// dataBinding 加入
dataBinding {
enabled = true
}
}

dependencies {
compile fileTree(include: ['*.jar'], dir: 'libs')
androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
exclude group: 'com.android.support', module: 'support-annotations'
})
compile 'com.android.support:appcompat-v7:25.3.1'
compile 'com.android.support:design:25.3.1'
compile 'com.android.support.constraint:constraint-layout:1.0.2'
testCompile 'junit:junit:4.12'
compile 'com.github.bumptech.glide:glide:3.8.0'
compile 'com.squareup.retrofit2:retrofit:2.3.0'
compile 'com.squareup.okhttp3:logging-interceptor:3.8.0'
compile 'com.squareup.retrofit2:converter-gson:2.3.0'
compile 'com.squareup.retrofit2:adapter-rxjava2:2.3.0'
compile 'io.reactivex:rxandroid:1.2.1'
}

修改后：

apply plugin: 'com.android.application'

android {
compileSdkVersion 25
buildToolsVersion "25.0.2"

packagingOptions {
exclude 'META-INF/rxjava.properties'
}

defaultConfig {
applicationId "com.kite.cloudlearn"
minSdkVersion 19
targetSdkVersion 25
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
// dataBinding 加入
dataBinding {
enabled = true
}
}

dependencies {
compile fileTree(include: ['*.jar'], dir: 'libs')
androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
exclude group: 'com.android.support', module: 'support-annotations'
})
compile 'com.android.support:appcompat-v7:25.3.1'
compile 'com.android.support:design:25.3.1'
compile 'com.android.support.constraint:constraint-layout:1.0.2'
testCompile 'junit:junit:4.12'
compile 'com.github.bumptech.glide:glide:3.8.0'
compile 'com.squareup.retrofit2:retrofit:2.3.0'
compile 'com.squareup.okhttp3:logging-interceptor:3.8.0'
compile 'com.squareup.retrofit2:converter-gson:2.3.0'
compile 'com.squareup.retrofit2:adapter-rxjava2:2.3.0'
compile 'io.reactivex:rxandroid:1.2.1'
}

后续

如果你看了这篇文章，还是没有解决您的问题，那么烦请您联系我，我一定会帮到底！