Gradle无法找到依赖项(Android支持库)

Question

我有一个问题,Gradle无法找到我的依赖项(Android支持库).

我的build.gradle看起来像这样:

buildscript {
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:0.4'
    }
}
apply plugin: 'android'

dependencies {
    compile files('libs/FlurryAgent.jar')
    compile group: 'com.google.android', name: 'support-v4', version: 'r7'
    compile files('libs/YouTubeAndroidPlayerApi.jar')
}

android {
    compileSdkVersion 17
    buildToolsVersion "17"

    defaultConfig {
        minSdkVersion 11
        targetSdkVersion 17
    }
    sourceSets {
        main {
            manifest.srcFile 'AndroidManifest.xml'
            java.srcDirs = ['src']
            resources.srcDirs = ['src']
            aidl.srcDirs = ['src']
            renderscript.srcDirs = ['src']
            res.srcDirs = ['res']
            assets.srcDirs = ['assets']
        }

        instrumentTest.setRoot('tests')
    }
}

当我构建(在命令行上,没有IDE)时,我收到以下消息:

FAILURE: Build failed with an exception.

* What went wrong:
A problem occurred configuring root project 'AndroidCalculator'.
> Failed to notify project evaluation listener.
   > Could not resolve all dependencies for configuration ':compile'.
      > Could not find com.google.android:support-v4:r7.
        Required by:
            :AndroidCalculator:unspecified

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

BUILD FAILED

为什么我不允许像这样添加Android支持库？

Answer 1

您已声明存储库依赖项,但尚未声明存储库.因此无法解决依赖性.(buildscript块中的存储库/依赖项与主构建脚本中的存储库/依赖项严格分开.)

Answer 2

http://pastebin.com/FmcCZwA5

这个粘贴是AndroidAnnotations,Dagger,Jackson和Robolectric的复杂项目.

你只需要添加

repositories {
    mavenCentral()
}

更换

 compile group: 'com.google.android', name: 'support-v4', version: 'r7'

with(上面链接的代码的第44行)

 compile 'com.android.support:support-v4:18.0.+'

问题:只有你有全新安装时,最后一位才适用于Android Studio 0.2+.由于0.2 Studio附带其内部m2 repo以提供支持和google api库,因此如果您从以前的版本升级,则SDK不具备它.

还要确保local.properties文件存在于根文件夹中,而sdk.dir指向SDK