Error:Execution failed for task ':app:compileDebugNdk'. > NDK not configured.

报错信息：

Error:Execution failed for task ':app:compileDebugNdk'. > NDK not configured. Download the NDK from http://developer.android.com/tools/sdk/ndk/.Then add ndk.dir=path/to/ndk in local.properties. (On Windows, make sure you escape backslashes, e.g. C:\\ndk r

解决方法：

         build.gradle文件中添加：

   sourceSets.main {    jni.srcDirs = []   }