What is onSupportNavigateUp?

What is onSupportNavigateUp?

onSupportNavigateUp comes from AppCompatActivity . You should override the method in the same activity where you define your NavHostFragment (probably your MainActivity). You override it so that the NavigationUI can correctly support the up navigation or even the drawer layout menu.

What is navigation component android?

Android Jetpack’s Navigation component helps you implement navigation, from simple button clicks to more complex patterns, such as app bars and the navigation drawer. The Navigation component also ensures a consistent and predictable user experience by adhering to an established set of principles.

What is NAV host fragment?

NavHostFragment provides an area within your layout for self-contained navigation to occur. NavHostFragment is intended to be used as the content area within a layout resource defining your app’s chrome around it, e.g.:

What is NavigationUI?

NavigationUI contains methods that automatically update content in your top app bar as users navigate through your app. For example, NavigationUI uses the destination labels from your navigation graph to keep the title of the top app bar up-to-date.

How do I set up navigation on my Android?

To add a navigation graph to your project, do the following:

  1. In the Project window, right-click on the res directory and select New > Android Resource File.
  2. Type a name in the File name field, such as “nav_graph”.
  3. Select Navigation from the Resource type drop-down list, and then click OK.

How do I get navigation bar on android?

Steps to Implement Navigation Drawer in Android

  1. Step 1: Create an Android Studio Project.
  2. Step 2: Adding a dependency to the project.
  3. Step 3: Creating a menu in the menu folder.
  4. Step 4: Working with the activity_main.xml file.
  5. Output UI:
  6. Step 5: Include the Open Close strings in the string.xml.

How do I create a custom navigation drawer?

Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. Step 2 − Add the following code to res/layout/activity_main. xml. Step 3 − Add the following code to res/layout/nav_header_main.

How do I use navigation controller on Android?

A Navigation Graph consists of:

  1. Right-click on res folder in the project view.
  2. Click on New->New Resource File and select the navigation from the Resource type drop-down shown in the image below.
  3. Type any name for the navigation graph in the File name like my_navigation_graph.

What is navigation Controller Android?

NavController manages app navigation within a NavHost . Apps will generally obtain a controller directly from a host, or by using one of the utility methods on the Navigation class rather than create a controller directly. Navigation flows and destinations are determined by the navigation graph owned by the controller.

What is an AppCompatActivity in Android?

AppCompatActivity(@LayoutRes contentLayoutId: Int) Alternate constructor that can be used to provide a default layout that will be inflated as part of super.

How do I get navigation bar on Android?