![]() The UI in Android is a hierarchy of Views and ViewGroups. Let’s discuss the different types of Layouts. The application can create View and ViewGroup objects and manipulate their properties programmatically. Note: You can also use Android Studio’s Layout Editor to build your XML layout using a drag-and-drop interface. Android provides a straightforward XML vocabulary that corresponds to the View classes and subclasses, such as those for widgets and layouts. ![]() All elements in the layout are built using a hierarchy of View and ViewGroup objects.ĭeclare UI elements in XML. Android Layout Design Tutorial: Types of LayoutsĪ layout defines the structure for a User Interface in the application. Now let’s move ahead and understand the Layouts that are present. For example, LinearLayout is the ViewGroup that contains Button(View), and other Layouts also.ViewGroup is the base class for the Layouts.ViewGroup is the invisible container which holds View and ViewGroup.Examples are EditText, Button, CheckBox, etc.View refers to the class, which is the base class of all UI classes.A View is a simple rectangle box which response to the user’s actions.View objects are the basic building blocks of the UI elements in Android.Now let’s point out the major differences between View and the ViewGroup. Whereas, wrap_content refers that it will occupy only that much space as required for its content to display. This match_parent signifies that it will occupy the complete space available on the display of the device. These predefined values are match_parentand wrap_content. The answer is you can either set it manually by specifying the exact size(with proper units) or by using some predefined values. You might have a question, what can be the size of this rectangle? The rectangle here is actually invisible, but every view occupies a rectangle shape. This occupies a rectangular area on the screen and is eventually takes care of drawing and event handling.Ī View is the base class for widgets, which are used to create interactive UI components like buttons, text fields, etc. Now talking about the rectangle area or a box, It can either be an image, a piece of text, a button or anything that an android application can display. ![]() Android Layout Design Tutorial: ViewsĪ View is considered as a basic building block for a proper user interface that is actually created from the View class. Let’s see what is a View in Android Development. You’ll get a clear view of this when we get to the demo section of this article.Īnother important factor that helps in customizing the UI design would be the view component. ![]() These play a major role while you are developing a complex application. Talking about the UI components, the typical UI of any Android application consists of these components: So, let’s get started! Android Layout Design Tutorial: Introduction to UI components This article on Android layout design tutorial will help your way out with some useful tips to make a better UI design and also explains how to design a UI. If you are new to Android Development, you’ve landed in the perfect place to kick start your learning about the layout design.
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