casview.blogg.se

You will also have to prepare a method - getDataSet() to get objects of model class.Inside onResume method - call OnItemClick() method to detect clicks on Cards.Call methods addItem() and deleteItem() on RecyclerViewAdapter object.Define RecylerView object and set an object of RecyclerView.Adapter as an adapter on RecyclerView object using setAdapter().Inside the CardViewActivity.class create references for RecyclerView,LayoutManager(Inner Class) and DataObject.Prepare a layout for RecyclerView byusing RecyclerView Widget.Create a model class known as DataObject - its objects will be displayed on the list.Create a Button in Launcher Activity that launches the CardViewActivity.class containing recyclerview list.Add RecyclerView and CardView Dependencies in gradle - App module.Name the Launcher Activity as LauncherActivity.class.Make a new project with Empty Activity.Steps to develop this can be summarized below. A CardView gives the list item a distinctive look and enhances the overall appearance of the app. We will also use a CardView which comes from Material Design of Android. This increases app efficiency as a few views are able to display the entire list to the user and reduces system overhead to generate views for all the list items in the list. It is different than other adapters because it reuses Views that were created earlier. In this example, we will be developing a Recycler View app.Recycler View is used to display long lists. Using CardView and RecyclerView in Android