RelaytiveLayout

기준뷰 id값 설정 -> 다른 뷰에서 기준뷰의 id값을 이용하여 위치를 지정

<RelativeLayout     android:layout_width="match_parent"     android:layout_height="match_parent"     android:background="@mipmap/ic_launcher_round">       <TextView         android:id="@+id/standard"         android:layout_width="100dp"         android:layout_height="100dp"         android:layout_centerInParent="true"         android:text="기준 뷰"         android:textColor="#FF0000"         android:textSize="30dp"         android:gravity="center_vertical"         android:textAlignment="center"         android:background="@color/colorPrimaryDark"/>     <TextView         android:layout_toRightOf="@+id/standard"         android:layout_width="100dp"         android:layout_height="100dp"         android:layout_centerInParent="false"         android:text="1번 뷰"         android:textColor="#FF0000"         android:textSize="30dp"         android:gravity="center_vertical"         android:textAlignment="center"         android:background="@color/colorAccent"/>     <TextView         android:layout_below="@+id/standard"         android:layout_width="100dp"         android:layout_height="100dp"         android:layout_centerInParent="true"         android:text="2번 뷰"         android:textColor="#FF0000"         android:textSize="30dp"         android:gravity="center_vertical"         android:textAlignment="center"         android:background="@color/colorPrimary"/> </RelaytiveLayout>