Converting layouts to ConstraintLayout

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

1. Switch back to the Design tab
2. Right-click on 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 newer and faster ConstraintLayout widget, as well as build your own RelativeLayout.