当试图使用Facebook SDK时，Gradle构建失败 [英] Gradle build failure when trying to use Facebook SDK
问题描述
我正试图在Android Studio的项目中使用Facebook SDK。我正在遵循的步骤3这个教程。当我尝试运行应用程序时，我得到一个Gradle：执行失败的任务：FacebookApp：dexDebug。错误。以下是输出，如果错误
I am trying to use the Facebook SDK in a project in Android Studio. I am following step 3 of this tutorial. When I try to Run the app, I get a "Gradle: Execution failed for task ':FacebookApp:dexDebug'." error. Below is the output if the error
Gradle: Execution failed for task ':FacebookApp:dexDebug'.
无法运行命令：
C：\android -sdk\build-tools\18.0.0\dx.bat --dex --output C：\Users\Brandon\AndroidStudioProjects\FacebookAppProject\FacebookApp\build\libs\FacebookApp- debug.dex C：\Users\Brandon\AndroidStudioProjects\FacebookAppProject\FacebookApp\build\classes\debug C：\Users\Brandon\AndroidStudioProjects\FacebookAppProject\FacebookApp\build\\ \\dependency-cache\debug C：\Users\Brandon\AndroidStudioProjects\FacebookAppProject\FacebookApp\build\exploded-bundles\FacebookAppProjectLibrariesFacebookUnspecified.aar\classes.jar C：\Users\Brandon \AndroidStudioProjects\FacebookAppProject\FacebookApp\build\exploded-bundles\FacebookAppProjectLibrariesFacebookUnspecified.aar\libs\android-support-v4.jar C ：\android-sdk\extras\android\m2repository\com\android\support\support-v4\13.0.0\support-v4-13.0.0.jar
错误代码：
1
输出：
UNEXPECTED顶级例外：
java.lang.IllegalArgumentException：已添加：Landroid / support / v4 / accessibilityservice / AccessibilityServiceInfoCompat $ AccessibilityServiceInfoIcsImpl;
at com.android.dx.dex.file.ClassDefsSection.add（ClassDefsSection.java:123）
at com.android.dx.dex.file.DexFile.add（DexFile.java:163）
at com.android.dx.command.dexer.Main.processClass（Main.java:490）
在com.android.dx.command.dexer.Main.processFileBytes（Main.java:459）
at com.android.dx.command.dexer.Main.access $ 400（Main.java:67）
at com.android.dx.command.dexer.Main $ 1.processFileBytes（Main.java： 398）
在com.android.dx.cf.direct.ClassPathOpener.processArchive（ClassPathOpener.java:245）
在com.android.dx.cf.direct.ClassPathOpener.processOne（ClassPathOpener.java： 131）
在com.android.dx.cf.direct.ClassPathOpener.process（ClassPathOpener.java:109）
在com.android.dx.command.dexer.Main.processOne（Main.java： 422）
at com.android.dx.command.dexer.Main.processAllFiles（Main.java:333）
at com.android.dx.command.dexer.Main.run（Main。 java：209）
at com.android.dx.command.dexer.Main.main（Main.java:174）
at com.android.dx.command.Main.main（Main.java： 91）
1错误;中止
Failed to run command: C:\android-sdk\build-tools\18.0.0\dx.bat --dex --output C:\Users\Brandon\AndroidStudioProjects\FacebookAppProject\FacebookApp\build\libs\FacebookApp-debug.dex C:\Users\Brandon\AndroidStudioProjects\FacebookAppProject\FacebookApp\build\classes\debug C:\Users\Brandon\AndroidStudioProjects\FacebookAppProject\FacebookApp\build\dependency-cache\debug C:\Users\Brandon\AndroidStudioProjects\FacebookAppProject\FacebookApp\build\exploded-bundles\FacebookAppProjectLibrariesFacebookUnspecified.aar\classes.jar C:\Users\Brandon\AndroidStudioProjects\FacebookAppProject\FacebookApp\build\exploded-bundles\FacebookAppProjectLibrariesFacebookUnspecified.aar\libs\android-support-v4.jar C:\android-sdk\extras\android\m2repository\com\android\support\support-v4\13.0.0\support-v4-13.0.0.jar Error Code: 1 Output: UNEXPECTED TOP-LEVEL EXCEPTION: java.lang.IllegalArgumentException: already added: Landroid/support/v4/accessibilityservice/AccessibilityServiceInfoCompat$AccessibilityServiceInfoIcsImpl; at com.android.dx.dex.file.ClassDefsSection.add(ClassDefsSection.java:123) at com.android.dx.dex.file.DexFile.add(DexFile.java:163) at com.android.dx.command.dexer.Main.processClass(Main.java:490) at com.android.dx.command.dexer.Main.processFileBytes(Main.java:459) at com.android.dx.command.dexer.Main.access$400(Main.java:67) at com.android.dx.command.dexer.Main$1.processFileBytes(Main.java:398) at com.android.dx.cf.direct.ClassPathOpener.processArchive(ClassPathOpener.java:245) at com.android.dx.cf.direct.ClassPathOpener.processOne(ClassPathOpener.java:131) at com.android.dx.cf.direct.ClassPathOpener.process(ClassPathOpener.java:109) at com.android.dx.command.dexer.Main.processOne(Main.java:422) at com.android.dx.command.dexer.Main.processAllFiles(Main.java:333) at com.android.dx.command.dexer.Main.run(Main.java:209) at com.android.dx.command.dexer.Main.main(Main.java:174) at com.android.dx.command.Main.main(Main.java:91) 1 error; aborting
这是Facebook模块的build.gradle：
Here is the build.gradle for the facebook module:
buildscript {
repositories {
maven { url 'http://repo1.maven.org/maven2' }
}
dependencies {
classpath 'com.android.tools.build:gradle:0.5.+'
}
}
apply plugin: 'android-library'
dependencies {
compile files('libs/android-support-v4.jar')
}
android {
compileSdkVersion 18
buildToolsVersion "18.0.0"
defaultConfig {
minSdkVersion 7
targetSdkVersion 16
}
sourceSets {
main {
manifest.srcFile 'AndroidManifest.xml'
java.srcDirs = ['src']
resources.srcDirs = ['src']
res.srcDirs = ['res']
}
}
}
而build.gra该项目为：
And the build.gradle for the project:
buildscript {
repositories {
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:0.5.+'
}
}
apply plugin: 'android'
repositories {
mavenCentral()
}
dependencies {
compile 'com.android.support:support-v4:13.0.+'
compile project(':libraries:facebook')
}
android {
compileSdkVersion 18
buildToolsVersion "18.0.0"
defaultConfig {
minSdkVersion 7
targetSdkVersion 16
}
}
我做错了什么？
推荐答案
您正在添加两次Android支持库，导致dex合并冲突。您的主要项目是指具有'com.android.support:support-v4:13.0。+'的maven库，您的Facebook项目是以文件（ '库/机器人支撑-v4.jar'）。 Gradle无法解决本地jar文件之间的冲突，因此您必须通过maven引用它们。
You're adding the android support library twice, resulting in a dex merge conflict. Your main project refers to the maven library with 'com.android.support:support-v4:13.0.+' and your Facebook project refers to it with files('libs/android-support-v4.jar'). Gradle cannot resolve conflicts between local jar files, so you must refer to them through maven.
修改依赖项部分的Facebook build.gradle到：
Modify the dependencies section of your Facebook build.gradle to:
dependencies {
compile 'com.android.support:support-v4:13.0.+'
}
，一切都应该可以工作。
and everything should work.
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