65.Card View

First . File -> Project Structure -> CardView(come.android.cardview:v7.25.0.0;

Second. drawable -> right click on the folder -> and then select batch drawable importer.-> rename target name;

Third . new layout resource .named fragment_cake. rewrite the root element android.support.v7.widget.CardView

Fourth. xmlns:card_view = "http://schemas.android.com/apk/res-auto" .cardview = CornerRadius = "4dp"

Fifth . Creat FragmentCake.class,   

　　public FragmentCake extends Fragment{

　　　　　public FragmentCake(){　　　

　}

　　@Nullable 

　　@override

　　public View onCreatView(LayoutInflater inflater ,@Nullable viewGroup container,@Nullable Bundle saveInstancestate){

　　　　return inflater.inflate(R.layout.fragment_cake,container,false);

　　}

　　　}

Six. Rewrite activity_main.xml

　　<fragment

　　　　tools:layout = "@layout/fragment_cake"

　　　　android:id = "@+id/fragmen"

　　　　android:name = "com.bodor.fragmentcake"

　　　　android:layout_width = "match_parent"

　　　　android:layout_height  = "wrap_content"