java - Gradle构建错误:任务 ':app:prepareDebugDependencies'的执行失败

Question

请帮助我解决此错误:

Warning:Project app: apk-only dependencies can only be jars. com.google.android.gms:play-services:aar:6.5.87 is an Android Library.

Error:Execution failed for task ':app:prepareDebugDependencies'. Dependency Error. See console for details.

这是我的 Gradle :

apply plugin: 'com.android.application'

android {
    compileSdkVersion 21
    buildToolsVersion "21.1.2"

    defaultConfig {
        applicationId "com.palletdesig.colopovideo"
        minSdkVersion 14
        targetSdkVersion 21
        versionCode 1
        versionName "1.0"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    compile fileTree(dir: 'libs', include: ['*.jar'])
    compile 'com.android.support:appcompat-v7:21.0.3'
    apk 'com.google.android.gms:play-services:6.5.87'
    compile files('libs/Parse-1.3.0.jar')
}

和控制台输出:

Executing tasks: [:app:generateDebugSources, :app:generateDebugAndroidTestSources, :app:mockableAndroidJar, :app:prepareDebugUnitTestDependencies]

Configuration on demand is an incubating feature.
WARNING: Project app: apk-only dependencies can only be jars. com.google.android.gms:play-services:aar:6.5.87 is an Android Library.
WARNING: Project app: apk-only dependencies can only be jars. com.google.android.gms:play-services:aar:6.5.87 is an Android Library.
Incremental java compilation is an incubating feature.
:app:preBuild UP-TO-DATE
:app:preDebugBuild UP-TO-DATE
:app:checkDebugManifest
:app:preReleaseBuild UP-TO-DATE
:app:prepareComAndroidSupportAppcompatV72103Library
:app:prepareComAndroidSupportSupportV42103Library
:app:prepareComGoogleAndroidGmsPlayServices6587Library UP-TO-DATE
:app:prepareDebugDependencies
Project app: apk-only dependencies can only be jars. com.google.android.gms:play-services:aar:6.5.87 is an Android Library.

FAILED

FAILURE: Build failed with an exception.

• What went wrong:
  Execution failed for task ':app:prepareDebugDependencies'.

  Dependency Error. See console for details.

• 尝试:
  使用--stacktrace选项运行以获取堆栈跟踪。使用--info或--debug选项运行，以获取更多日志输出。
  
  建立失败
  
  总时间:3.097秒

Answer 1

更改

apk 'com.google.android.gms:play-services:6.5.87'

至

compile 'com.google.android.gms:play-services:6.5.87'