The ConstraintLayout component was introduced with Android Studio 2.3. It makes layouts more dynamic, and by using it you can frequently reduce the number of layout layers and improve performance.
- [Instructor] In Android Studio 2.3,…new applications built with Android Studio's templates…use the constraint layout to lay out activities…and other components.…You can see this in some of the layout files.…For example, this layout file, content_main.xml,…has a constraint layout as its root.…It only contains a few objects, a text view and two buttons.…But you can create very complex layouts…with constraint layout…without creating a lot of layers in your layout hierarchy.…
I'm going to describe how to convert an existing layout…to use constraint layout,…and I'll do this with a dialogue layout…that I created in a previous tip.…This class, EditTextDialog uses this layout,…dialog_edit_text.xml.…And it uses a relative layout as its root.…I'm going to start by converting the dialog…to use constraint layout…and then show you some adjustments you might want to make.…I'll do the conversion in design mode,…and I'll go to the component tree window,…and I'll right-click on the root element,…RelativeLayout, and choose the option…
Skill Level Intermediate
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