Table of Contents
What is LayoutInflater in Kotlin?
abstract class LayoutInflater. kotlin.Any. ↳ android.view.LayoutInflater. Instantiates a layout XML file into its corresponding android.
What are views in Android?
View is a basic building block of UI (User Interface) in android. A view is a small rectangular box that responds to user inputs. Eg: EditText, Button, CheckBox, etc. ViewGroup is an invisible container of other views (child views) and other ViewGroup.
In which package is LayoutInflater class defined?
java.lang.Object. ↳ android.view.LayoutInflater.
What does inflated view mean?
When you write an XML layout, it will be inflated by the Android OS which basically means that it will be rendered by creating view object in memory.
What is android ViewGroup?
A ViewGroup is a special view that can contain other views. The ViewGroup is the base class for Layouts in android, like LinearLayout , RelativeLayout , FrameLayout etc. In other words, ViewGroup is generally used to define the layout in which views(widgets) will be set/arranged/listed on the android screen.
What is layout in mad?
At third level we have different layouts which are subclasses of ViewGroup class and a typical layout defines the visual structure for an Android user interface and can be created either at run time using View/ViewGroup objects or you can declare your layout using simple XML file main_layout. …
What is the use of LayoutInflater class Mcq?
LayoutInflater is a class used to create views from a layout resource (xml) file or a node of it ( XmlPullParser objects). These can be a representation of either a single view or a view hierarchy.
What is self inflated?
1 : capable of inflating itself self-inflating life rafts a self-inflating resuscitator. 2 : acting or intended to portray oneself as more impressive, successful, or important than one really is : self-aggrandizing a self-inflating blowhard … makes self-inflating claims that are demonstrably untrue.—
What is view and layout?
A layout defines the structure for a user interface in your app, such as in an activity. A View usually draws something the user can see and interact with. Whereas a ViewGroup is an invisible container that defines the layout structure for View and other ViewGroup objects, as shown in figure 1.
What is Viewgroups?
ViewGroup. A ViewGroup is a special view that can contain other views. The ViewGroup is the base class for Layouts in android, like LinearLayout , RelativeLayout , FrameLayout etc. In other words, ViewGroup is generally used to define the layout in which views(widgets) will be set/arranged/listed on the android screen.
What is view OnClickListener?
In Android, the OnClickListener() interface has an onClick(View v) method that is called when the view (component) is clicked. The code for a component’s functionality is written inside this method, and the listener is set using the setOnClickListener() method.
What is layoutlayoutinflater in Android Studio?
LayoutInflater is a class used to instantiate layout XML file into its corresponding view objects which can be used in Java programs. In simple terms, there are two ways to create UI in android. One is a static way and another is dynamic or programmatically.
What is the layoutinflater class used for?
The LayoutInflater class is used to instantiate the contents of layout XML files into their corresponding View objects. In other words, it takes an XML file as input and builds the View objects from it. This still seems pretty abstract to me.
How do I set attachtoroot to true in layoutinflater?
LayoutInflater’s two parameter inflate () method automatically sets attachToRoot to true for us. Another appropriate use of passing true for attachToRoot is a custom View. Let’s look at an example where a layout file uses a tag for its root.
How do I inflate a custom view layout?
To inflate the new view layout, all I did was tell the inflater the name of my xml file (my_layout), the parent layout that I want to add it to (mainLayout), and that I don’t actually want to add it yet (false). (I could also set the parent to null, but then the layout parameters of my custom layout’s root view would be ignored.)