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Also list data is added inside companion object so that we can access it from variable property in adapter. You can copy these classes from below or from my GitHub, link to whole project is below.ĭata type is string because we are showing single textview for each item in list. To show list with recycler view we need a modal, adapter, item layout. You can change those values for your convenience, take the below reference. Notice in your nav_graph.xml the attributes will be auto-generated for us.Įach fragment has an id, name and label to show in action bar. If you run your app, you screen shows ColorListFragment as default destination. That’s it our default host has a fragment to show. Now click on the icon New Destination, from the list click fragment_color_list to add. ColorDetailFragment.kt for showing detail for selected item.ColorListFragment.kt for showing list of items with RecyclerView.Let’s create two empty fragments then we will add to nav_graph as destinations. If you run app at this point, it will crash because nav_graph has no fragments to show when app opens first time. our app navigation graph to this NavHostFragment.Setting value true to this attribute will make this fragment to behave default NavHostFragment. android:name=””Īttribute name will change behavior of simple fragment to act as NavHostFragment.
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NavHost has default fragment which is NavHostFragment. We will get back to graph once we have new destinations(fragments) to add, right now file will be empty. On dialog box enterįile name : nav_graph.
#ANDROID STUDIO INTENT TO PASS DATA TO FRAGMENT ANDROID#
In your project under res folder right click and select New Android Resource File. Let’s create a navigation graph for our app, which has all fragment destinations. Now sync your project to import all required classes. classpath "androidx.navigation:navigation-safe-args-gradle-plugin:2.3.5" Open adle ( Project ) directory and this plugin under existing dependency. This requires a additional plugin and one more classpath dependency. Passing data using SafeArgs between destinations. Implementation 'androidx.navigation:navigation-ui-ktx:2.3.5' implementation 'androidx.navigation:navigation-fragment-ktx:2.3.5' Let’s add dependencies and plugins in project. Using NavArgs we will receive the data from list to details fragment.ġ.Clicking on item in list opens another fragment with details of that items.Our MainActivity shows default destination fragment with list.NavController, a controller which is set in NavHost itself to handle all fragment transactions when we navigate to destinations. NavHost, this contains a default NavHostFragment which we will hookup with our activity to display fragments properly.ģ.
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Navigation graph, will shows all destinations and how they are connected by actions in our app of xml resource type.Ģ.