5. LinearLayout in Android

Описание: LinearLayout

LinearLayout is a view group that aligns all children in a single direction, vertically or horizontally.

Orientation
the orientation can be specified with the help of
the following attribute

android:orientation="value"

All children of a LinearLayout are stacked one after the other

Layout Weight
LinearLayout also supports assigning a weight to individual children with the android:layout_weight attribute.

This attribute assigns an "importance" value to a view in terms of how much space it should occupy on the screen.