Androidstudio导入文件时出现错误

A problem occurred configuring project ':app'.
> Could not resolve all dependencies for configuration ':app:_debugCompile'.
   > Could not find com.android.support:support-v4:19.1.0.
     Searched in the following locations:
         https://jcenter.bintray.com/com/android/support/support-v4/19.1.0/support-v4-19.1.0.pom
         https://jcenter.bintray.com/com/android/support/support-v4/19.1.0/support-v4-19.1.0.jar
     Required by:
         eyesDetectAndroidJNI:app:unspecified

Possible solution:
 - Declare repository providing the artifact, see the documentation at https://docs.gradle.org/current/userguide/declaring_repositories.html