ConstraintLayout中GONE视图的表现是否与RelativeLayout中GONE视图一致？

Hey there, let me break down this key difference between ConstraintLayout and most other Android container layouts—it’s a common point of confusion!

Standard Container Behavior (LinearLayout, RelativeLayout, etc.) #

• When you set a view’s visibility to GONE, it gets completely removed from the measurement and layout flow. It’s as if the view never existed in the layout at all.
• Switching it back to VISIBLE will immediately reintegrate it into the layout process, no strings attached.

ConstraintLayout’s Unique Behavior #

• When a view is marked GONE in ConstraintLayout, the layout treats it as having 0 width and 0 height, and all its margins are ignored.
• The critical difference here: ConstraintLayout still respects all constraints linked to the GONE view. Other views that were constrained to it will maintain their positions relative to where the GONE view would have been (not where its zero-sized "ghost" is).

For example: If you have a Button constrained to the end of a TextView that’s set to GONE, the Button will stay aligned to the original end position of the TextView. In a LinearLayout, that Button would shift left to fill the empty space left by the hidden TextView.

This behavior makes ConstraintLayout perfect for dynamic layouts where you want to hide elements without disrupting the positioning of surrounding views!

内容的提问来源于stack exchange，提问作者varmashrivastava