A LayoutInflater is one of the Android System Services that is responsible for taking your XML files that define a layout, and converting them into View objects. The OS then uses these view objects to draw the screen.
What is Android Inflater?
android.view.LayoutInflater. Instantiates a layout XML file into its corresponding View objects. It is never used directly. Instead, use Activity.
What does inflated view mean?
Solution: 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 Inflater in Kotlin?
Instantiates a layout XML file into its corresponding android. view. … Activity#getLayoutInflater() or android. content. Context#getSystemService to retrieve a standard LayoutInflater instance that is already hooked up to the current context and correctly configured for the device you are running on.
How do I get Inflater on Android?
How to use from method in android. view. LayoutInflater
- Context context;LayoutInflater.from(context)
- Context context;String name;(LayoutInflater) context.getSystemService(name)
- ViewGroup parent;LayoutInflater.from(parent.getContext())
What is SetContentView?
SetContentView is used to fill the window with the UI provided from layout file incase of setContentView(R. layout. somae_file). Here layoutfile is inflated to view and added to the Activity context(Window).
What is attach to root in Android?
attachToRoot: attaches the views to their parent (includes them in the parent hierarchy), so any touch event that the views recieve will also be transfered to parent view.
What is onCreateOptionsMenu in Android?
You use onCreateOptionsMenu() to specify the options menu for an activity. In this method, you can inflate your menu resource (defined in XML) into the Menu provided in the callback.
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 do you mean by inflate?
transitive verb. 1 : to swell or distend with air or gas. 2 : to puff up : elate inflate one’s ego. 3 : to expand or increase abnormally or imprudently.
How do I use LayoutInflater on android?
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.
What is ActivityMainBinding in android?
android data-binding. DataBinding Guide States. By default, a Binding class will be generated based on the name of the layout file, converting it to Pascal case and suffixing “Binding” to it. The above layout file was activity_main. xml so the generate class was ActivityMainBinding.
How do you get layout on Kotlin?
View groups
- Select the Project > Android pane. In the app/res/layout folder, open the activity_main. xml file.
- Select the Text tab and change the root view group from ConstraintLayout to LinearLayout .
- Remove the TextView . In the LinearLayout element, add the android:orientation attribute and set it to vertical .