(Android practice) How to Adapt relative layout of interface elements without Overlap

In the RelativeLayout layout of android, how does one make the screen adaptive and not overlap with each other?

Generally, the interface layout can be divided into two directions according to business requirements.

Horizontal:
In the order of adding sub-elements on the interface, add the following elements first, and then add the preceding elements.
Attribute values set for the following elements: aligned to the bottom of the parent
Set height
Attribute set by the above element: alignment to the top of the following element


Vertical:
Add the elements on the right of the interface first, and add the elements on the left

Note:
This is related to the drawing rules of the UI layout.