In a given view, there may be extra space horizontally and not enough vertically, or vice versa(或者相反). There may also be extra or not enough in both directions.
我在我的应用程序中使用 ConstraintLayout 来制作应用程序布局。 I am trying to a create a screen wheren one EditText and Button should be in center and Button should be below of EditText with a marginTop 只有 16dp。