Android Studio开发无法运行项目的原因是什么?
提示如下:Error:Aproblemoccurredconfiguringproject':app'.>Couldnotresolvealldependenciesfo...
提示如下:
Error:A problem occurred configuring project ':app'.> Could not resolve all dependencies for configuration ':app:_debugCompile'. > Could not resolve com.android.support:appcompat-v7:21.+. Required by: Exam:app:unspecified > Failed to list versions for com.android.support:appcompat-v7. > Unable to load Maven meta-data from https://jcenter.bintray.com/com/android/support/appcompat-v7/maven-metadata.xml. > Could not GET 'https://jcenter.bintray.com/com/android/support/appcompat-v7/maven-metadata.xml'. > peer not authenticated 展开
Error:A problem occurred configuring project ':app'.> Could not resolve all dependencies for configuration ':app:_debugCompile'. > Could not resolve com.android.support:appcompat-v7:21.+. Required by: Exam:app:unspecified > Failed to list versions for com.android.support:appcompat-v7. > Unable to load Maven meta-data from https://jcenter.bintray.com/com/android/support/appcompat-v7/maven-metadata.xml. > Could not GET 'https://jcenter.bintray.com/com/android/support/appcompat-v7/maven-metadata.xml'. > peer not authenticated 展开
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