Best answer: How many layouts are there in Android?

Sr.No Layout & Description
2 Relative Layout RelativeLayout is a view group that displays child views in relative positions.
3 Table Layout TableLayout is a view that groups views into rows and columns.
4 Absolute Layout AbsoluteLayout enables you to specify the exact location of its children.

What are the most used layouts in Android SDK?

The most commonly used layout classes that are found in Android SDK are:

  • FrameLayout- It is the simplest of the Layout Managers that pins each child view within its frame. …
  • LinearLayout- A LinearLayout aligns each of the child View in either a vertical or a horizontal line.

Which of the following layouts are used in Android?

Android Relative Layout: RelativeLayout is a ViewGroup subclass, used to specify the position of child View elements relative to each other like (A to the right of B) or relative to the parent (fix to the top of the parent).

Which layout is best in Android?


  • LinearLayout is perfect for displaying views in a single row or column. …
  • Use a RelativeLayout, or even better a ConstraintLayout, if you need to position views in relation to siblings views or parent views.
  • CoordinatorLayout allows you to specify the behavior and interactions with its child views.

Where are layouts placed in Android?

Layout files are stored in “res-> layout” in the Android application. When we open the resource of the application we find the layout files of the Android application. We can create layouts in the XML file or in the Java file programmatically.

What is the use of linear layout in Android?

LinearLayout is a view group that aligns all children in a single direction, vertically or horizontally. You can specify the layout direction with the android:orientation attribute. Note: For better performance and tooling support, you should instead build your layout with ConstraintLayout.

When a button is clicked which listener you can use?

If you have more than one button click event, you can use switch case to identify which button is clicked. Link the button from the XML by calling findViewById() method and set the onClick listener by using setOnClickListener() method. setOnClickListener takes an OnClickListener object as the parameter.

Why XML is used in Android?

eXtensible Markup Language, or XML: A markup language created as a standard way to encode data in internet-based applications. Android applications use XML to create layout files. … Resources: The additional files and static content an application needs, such as animations, color schemes, layouts, menu layouts.

Is ConstraintLayout faster?

Measurement results: ConstraintLayout is faster

We recommend that you use ConstraintLayout when designing your app’s layouts. In almost all cases when you would have previously need a deeply-nested layout, ConstraintLayout should be your go-to layout for optimal performance and ease of use.

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