Jetpack Navigation: Getting Started

Aug 10 2021 · Kotlin 1.4, Android 11, Android Studio 4.2.1

Part 2: Create Destinations & Navigate via Actions

05. Add Start Destination & NavHost Interface

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Previous episode: 04. Create a Navigation Graph Next episode: 06. Add Destinations & Navigate via Action

Notes: 05. Add Start Destination & NavHost Interface

Learn about Principles of Navigation and Creating Activity as Destination.

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Open navigation graph in starter project. Click New Destination icon. You get a list which displays available activities and fragments in the app.

  <androidx.fragment.app.FragmentContainerView
    android:id="@+id/nav_host_fragment"
    android:name="androidx.navigation.fragment.NavHostFragment"
    android:layout_width="0dp"
    android:layout_height="0dp"
    app:layout_constraintLeft_toLeftOf="parent"
    app:layout_constraintRight_toRightOf="parent"
    app:layout_constraintTop_toTopOf="parent"
    app:layout_constraintBottom_toBottomOf="parent"
    app:defaultNavHost="true"
    app:navGraph="@navigation/nav_graph" />