[Android] Bias

bias

horizontal : 왼쪽 ----> 오른쪽 (값 증가)
vertical : 상단 ----> 하단 (값 증가)

Ratios are most useful when your layout has views that need to keep their shape / aspect ratio even when the screen orientation or dimensions change.

유다시티 강의에 따르면 위와 같다고 한다.

출처 :classroom.udacity.com/courses/ud9012