Android 应用程序中的 OAuth

OAuth in Android application

我需要在我的 Android 应用程序中使用 OAuth 协议。我决定使用 android-oauth-client。在我的 build.gradle 文件中我有:

dependencies {        
    compile 'com.android.support:appcompat-v7:21.0.0'
    compile 'com.wu-man:android-oauth-client:0.0.3'    
}

将项目与 gradle 文件同步工作正常,但是当我尝试构建我的应用程序时,出现问题:

Error:Execution failed for task ':app:dexDebug'. com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process 'command 'C:\Program Files\Java\jdk1.7.0_51\bin\java.exe'' finished with non-zero exit value 2

我发现我应该尝试在 build.gradledefaultConfig 部分添加 multiDexEnabled true。第一个问题解决了,还有一个问题:

Error:Execution failed for task ':app:packageAllDebugClassesForMultiDex'. java.util.zip.ZipException: duplicate entry: android/support/v4/accessibilityservice/AccessibilityServiceInfoCompat$AccessibilityServiceInfoIcsImpl.class

我不知道如何修复它以及如何构建我的项目。你能帮我吗?提前致谢。

support-v4 传递依赖被添加了两次。您可以使用依赖项任务或依赖项洞察报告来验证它:

MacBook-Pro:demo alex$ ./gradlew app:dependencies --configuration compile

或:

MacBook-Pro:demo alex$ ./gradlew app:dependencyInsight --configuration compile --dependency support-v4

其中demo是你项目的根目录。编译配置的输出将是:

compile - Classpath for compiling the main sources.
+--- com.android.support:appcompat-v7:21.0.0
|    \--- com.android.support:support-v4:21.0.0
|         \--- com.android.support:support-annotations:21.0.0
\--- com.wu-man:android-oauth-client:0.0.3
     +--- com.google.oauth-client:google-oauth-client-java6:1.15.0-rc
     |    \--- com.google.oauth-client:google-oauth-client:1.15.0-rc
     |         +--- com.google.http-client:google-http-client:1.15.0-rc
     |         |    \--- com.google.code.findbugs:jsr305:1.3.9
     |         \--- com.google.code.findbugs:jsr305:1.3.9
     +--- com.google.http-client:google-http-client-jackson:1.15.0-rc
     |    +--- com.google.http-client:google-http-client:1.15.0-rc (*)
     |    \--- org.codehaus.jackson:jackson-core-asl:1.9.11
     +--- com.google.android:support-v4:r7
     \--- com.google.api-client:google-api-client-android:1.15.0-rc
          +--- com.google.api-client:google-api-client:1.15.0-rc
          |    \--- com.google.oauth-client:google-oauth-client:1.15.0-rc (*)
          \--- com.google.http-client:google-http-client-android:1.15.0-rc
               \--- com.google.http-client:google-http-client:1.15.0-rc (*)

依赖洞察报告的输出将是:

:app:dependencyInsight
com.android.support:support-v4:21.0.0
\--- com.android.support:appcompat-v7:21.0.0
     \--- compile

com.google.android:support-v4:r7
\--- com.wu-man:android-oauth-client:0.0.3
     \--- compile


请注意 appcompat-v7android-oauth-client 都依赖于 support-v4.您可以通过排除 android-oauth-client 的依赖项轻松解决它:

dependencies {
    compile 'com.android.support:appcompat-v7:21.0.0'
    compile ('com.wu-man:android-oauth-client:0.0.3') {
        exclude group: 'com.google.android', module: 'support-v4'
    }
}