Unable to resolve dependency for ':okgo@debug/compileClasspath': Could not resolve com.squareup.okh

 Unable to resolve dependency for ':okgo@debug/compileClasspath': Could not resolve com.squareup.okhttp3:okhttp:3.9.1. Open File Show Details

解决办法：

1.检查gradle中是否有

allprojects {
    repositories {
        google()
        jcenter()
    }
}

2. Go to `File->Settings->Build, Execution, Deployment->Gradle->Uncheck Offline work option.`

设置中的Offline work 不能选中