Android studio 报错 Error:(24, 13) Failed to resolve: com.android.support:recyclerview-v7:20.

<a href="install.m2.repo">Install Repository and sync project</a><br><a href="openFile">Show in File</a><br><a href="open.dependency.in.project.structure">Show in Project Structure dialog</a>

Error:(25, 13) Failed to resolve: com.android.support:leanback-v17:20. <a href="install.m2.repo">Install Repository and sync project</a><br><a href="openFile">Show in File</a><br><a href="open.dependency.in.project.structure">Show in Project Structure dialog</a>

点击运行报

Error:A problem occurred configuring project ':myapplication'. > Could not resolve all dependencies for configuration ':myapplication:_debugCompile'. > Could not find any version that matches com.android.support:recyclerview-v7:20. . Searched in the following locations: https://jcenter.bintray.com/com/android/support/recyclerview-v7/maven-metadata.xml https://jcenter.bintray.com/com/android/support/recyclerview-v7/ file:/D:/adt/adt-bundle-windows-x86_64-20140702/sdk/extras/android/m2repository/com/android/support/recyclerview-v7/maven-metadata.xml file:/D:/adt/adt-bundle-windows-x86_64-20140702/sdk/extras/google/m2repository/com/android/support/recyclerview-v7/maven-metadata.xml file:/D:/adt/adt-bundle-windows-x86_64-20140702/sdk/extras/google/m2repository/com/android/support/recyclerview-v7/ Required by: MyApplication2:myapplication:unspecified > Could not find any version that matches com.android.support:leanback-v17:20. . Searched in the following locations: https://jcenter.bintray.com/com/android/support/leanback-v17/maven-metadata.xml https://jcenter.bintray.com/com/android/support/leanback-v17/ file:/D:/adt/adt-bundle-windows-x86_64-20140702/sdk/extras/android/m2repository/com/android/support/leanback-v17/maven-metadata.xml file:/D:/adt/adt-bundle-windows-x86_64-20140702/sdk/extras/google/m2repository/com/android/support/leanback-v17/maven-metadata.xml file:/D:/adt/adt-bundle-windows-x86_64-20140702/sdk/extras/google/m2repository/com/android/support/leanback-v17/ Required by: MyApplication2:myapplication:unspecified

解决方案：

1. 根据路径找到file:/D:/adt/adt-bundle-windows-x86_64-20140702/sdk/extras/android/m2repository/com/android/support/leanback-v17/maven-metadata.xml

2.打开maven-metadata。xml

metadata >

< groupId > com.android.support </ groupId >

< artifactId > recyclerview-v7</ artifactId >

< version > 21.0.0 </ version >

- < versioning >

- < versions >

< version > 21.0.0 </ version >

< version > 21.0.2 </ version >

< version > 21.0.3 </ version >