Android studio 报错 Unable to resolve dependency for ‘:[email protected]/compileClasspath‘:
出现报错：
Unable to resolve dependency for ':[email protected]/compileClasspath': Could not find any version that matches com.android.support:appcompat-v7:30.+.
解决方法：
删除app>>gradle下的
implementation 'com.android.support:appcompat-v7:30.+'