Right click the res folder in Project Explorer, then create a new Directory named navigation. Building Graphs With the Navigation Component
The benefit of this approach and setting the layout in the Fragment constructor is that you don’t have to override onCreateView() and write boilerplate code to inflate the layout and return it. Open the following five files one at a time, and add the layout id to each constructor:Ĭlass InboxFragment : Fragment(R.agment_inbox)Ĭlass SentFragment : Fragment(R.agment_sent)Ĭlass PresentationFragment : Fragment(R.agment_presentation)Ĭlass PrivacyPolicyFragment : Fragment(R.agment_privacy_policy)Ĭlass TermsOfServiceFragment : Fragment(R.agment_terms_of_service) Inflating Layout to Fragment in AndroidXīecause you added androidx.navigation:navigation-fragment-ktx, you’re now able to set the layout for the Fragment directly in its constructor. If there aren’t any errors, you’re good to go. Implementation "androidx.navigation:navigation-ui-ktx:$nav_version" Implementation "androidx.navigation:navigation-fragment-ktx:$nav_version" Add the following code into dependencies braces below // TUTORIAL DEPENDENCIES:
All the drawer menu items are setup for you: Slide from the left edge to view the navigation drawer. It’ll bring you to the CreateLetterFragment. The floating action button with the envelope icon is like the Compose button on Gmail app. You should see an empty screen like this: To make sure everything is compatible and working, run the app. MainActivity: The single Activity where navigation is setup.LetterViewModel: The only ViewModel in this app for MainActivity and other Fragments.LetterRepository: Repository class for Letter CRUD operations.KotlinExtension: Contains a few short-handed functions to make the code cleaner.Event: LiveData value wrapper that makes observer read its value only once.LetterPagerAdapter: ViewPager adapter for letter presentation.LetterAdapter: RecyclerView adapter for list of letters.TermsOfServiceFragment: More long, boring text for the terms of service nobody bothers to read.PrivacyPolicyFragment: Long, boring text for the privacy policy nobody cares about.There are two additional Fragments inside the agreement package: EditProfileFragment: Dialog for inputting your name and email address.PresentationFragment: Where you view the content of the letter.CreateLetterFragment: Where you compose and send your letter.SentFragment: List of letters you sent.InboxFragment: List of letters you received.You’ll find the project structure looks like this: You’ll be prompted with a dialog to choose Gradle wrapper:Ĭlick OK.
#Add letter on graph r install
Make sure to install the latest stable release.įirst, download the materials for this tutorial using the Download materials button at the top or bottom of this tutorial.
#Add letter on graph r android
Some of the Navigation component features in this tutorial require Android Studio 3.4 or higher. As you might guess from the name, this app allows lets you send and receive love letters. To embark on a romantic navigation journey, you’ll build a Love Letter app.
#Add letter on graph r how to
There’s also an awesome Jetpack Navigation Controller screen cast which quickly walks you through how to build a navigation graph.
If you’re totally new to Jetpack, review the Android Jetpack Architecture Components: Getting Started tutorial first. Even if you’re not familiar with those topics, you can still follow this tutorial. Note: This tutorial also includes Room and Data Binding.
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