<p style="box-sizing: border-box; padding: 0px; line-height: 1.5; font-size: 16px; color: #212529; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji'; background-color: #eef8f9; margin: 0px !important 0px 12px 0px;">android.support.constraint.ConstraintLayout
<p style="box-sizing: border-box; margin: 0px 0px 12px; padding: 0px; line-height: 1.5; font-size: 16px; color: #212529; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji'; background-color: #eef8f9;">없으신분들 https://developer.android.com/training/constraint-layout?hl=ko

저도 지금 실행하는중이라 안되면 지우겠읍니다

Inflearn Community Q&A

android.support.constraint.ConstraintLayout 없으신분들 https://developer.android.com/training/constraint-layout?hl=ko