android studio3.0.1安装成功了,新建项目,出现以下错误Error:Unable to resolve dependency for ':app@debug/compileClasspath': Could not resolve com.android.support:appcompat-v7:26.0.0-beta1.
<a href="openFile:E:/androidStudioWork/First/app^ild.gradle">Open File</a><br><a href="Unable to resolve dependency for ':app@debug/compileClasspath': Could not resolve com.android.support:appcompat-v7:26.0.0-beta1.">Show Details</a>
怎么办啊?
怎么下载怎么同步?
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