implementation 'com.jcodecraeer:xrecyclerview:1.5.9'

configurations.all {
        resolutionStrategy.eachDependency { DependencyResolveDetails details ->
            def requested = details.requested
            if (requested.group == 'com.android.support') {
                if (!requested.name.startsWith("multidex")) {
                    details.useVersion '28.0.0'//根据你的底下appcompat-v7版本
                }
            }
        }
    }