android studio 2.2.3 add files to emulator app

The RecyclerView.ItemAnimator class provides better support to animating the views unlike the ListViews.

GridLayoutManager : it supports displaying grids as seen in GalleryView earlier.StaggeredLayoutManager : it supports staggered lists.LinearLayoutManager : it supports both vertical and horizontal lists.RecyclerView allows us to set the following types of Layouts at runtime. Another improvement in RecyclerView is that it allows us to set the LayoutManagers dynamically at runtime, unlike the ListView which was only available in a Vertical scrolling List. As the name suggests, Android RecyclerView is used to reuse cells when scrolling up and down by recycling the items in the list. Android RecyclerView is similar to ListView except that it forces us to use RecyclerView.ViewHolder class to hold the elements which is not a compulsion in ListView. Android RecyclerViewĪndroid RecyclerView is a more advanced, powerful and flexible version of the ListView. For those who’re not aware of Material Design, its a comprehensive guide of UI Widgets introduced since Android 5.0 and it improves the visual appeal of the apps. Android RecyclerView and Android CardView got introduced in Android Lollipop with Material Design.

Android studio 2.2.3 add files to emulator app