相关疑难解决方法(0)

我是android studio的新手,当我同步android应用程序时我得到了错误.

C:\Users\Mansukh\Desktop\layout\MaterialDesignLibrary-master\MaterialDesign\build.gradle

Error:(97, 0) Cannot call getBootClasspath() before setTargetInfo() is called.

请有人告诉我什么是错误意味着什么是这个错误的解决方案.我试图找出互联网上的问题,但我无法得到特别的解决方案.

这是我的gradle.build文件.

apply plugin: 'com.android.library'
apply plugin: 'com.github.dcendents.android-maven'
apply plugin: 'com.jfrog.bintray'

android {
    compileSdkVersion 19
    buildToolsVersion '20.0.0'

    sourceSets {
        main {
            manifest.srcFile 'AndroidManifest.xml'
            java.srcDirs = ['src']

            resources.srcDirs = ['src']
            aidl.srcDirs = ['src']

            renderscript.srcDirs = ['src']

            res.srcDirs = ['res']
            assets.srcDirs = ['assets']
        }
        androidTest.setRoot('tests')
    }

    defaultConfig {
        minSdkVersion 8
        targetSdkVersion 21
        versionCode 6
        versionName '1.4'
    }
}

ext.siteUrl = 'https://github.com/navasmdc/MaterialDesignLibrary'
ext.issueUrl = 'https://github.com/navasmdc/MaterialDesignLibrary/issues'
ext.gitUrl = 'https://github.com/navasmdc/MaterialDesignLibrary.git'

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