Converting layouts to ConstraintLayout

Finally, as promised, this is how we can convert RelativeLayout to the faster-running ConstraintLayout:

1. Switch back to the Design tab
2. Right-click the parent layout – in this case, LinearLayout, and select Convert LinearLayout to ConstraintLayout, as shown in the following screenshot:
   

Now, you can convert any old RelativeLayout layouts to the new faster ConstraintLayout as well as build your own RelativeLayout.