Getting Started with Android programming--recyclerview using

Layout

    < Android.support.v7.widget.RecyclerView         Android:id = "@+id/rv_department"         android:layout_width= "Match_parent"        android:layout_height= "Match_ Parent "        android:clipchildren=" false "        android:cliptopadding = "false"         android:padding= "8DP"/>

Item layout

<?XML version= "1.0" encoding= "Utf-8"?><Relativelayoutxmlns:android= "Http://schemas.android.com/apk/res/android"Android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content">    <Android.support.v7.widget.CardViewAndroid:layout_width= "Match_parent"Android:layout_height= "Match_parent"android:layout_centerinparent= "true"Android:layout_margin= "8DP">    <TextViewAndroid:id= "@+id/tv"Android:layout_width= "Match_parent"Android:layout_height= "36DP"Android:background= "@drawable/bg_white_to_gray"Android:foreground= "? Attr/selectableitembackground"android:gravity= "Center"/>    </Android.support.v7.widget.CardView></Relativelayout>

Adapter

 Public classDeptadapterextendsRecyclerview.adapter<deptadapter.viewholder>{     Publicstring[] Datas =NULL;  PublicDeptadapter (string[] datas) { This. datas =datas; } @Override PublicViewholder Oncreateviewholder (ViewGroup viewgroup,intViewType) {View View= Layoutinflater.from (Viewgroup.getcontext ()). Inflate (R.layout.item_dept,viewgroup,false); Viewholder VH=Newviewholder (view); returnVH; } @Override Public voidOnbindviewholder (Viewholder Viewholder,intposition)    {ViewHolder.mTextView.setText (datas[position]); } @Override Public intGetItemCount () {returndatas.length; }    classViewholderextendsRecyclerview.viewholder {PrivateTextView Mtextview;  PublicViewholder (view view) {Super(view); Mtextview=(TextView) View.findviewbyid (r.id.tv); }    }}

Gridlayoutmanager Way

        New Gridlayoutmanager (this, 4);        Rv_department.setlayoutmanager (manager);        Rv_department.setitemanimator (new defaultitemanimator ()); // Set Animation        New Deptadapter (new string[]{"Dongrun", "Development department", "Technology"});        Rv_department.setadapter (madapter);

Getting Started with Android programming--recyclerview using