RecyclerView实现横向滚动效果

android:layout_
android:layout_
android:orientation="vertical"
android:layout_margin="5dp">

 

public class RecyclerViewAdapter extends RecyclerView.Adapter {
  private List animalList;
  private int resource;

  public RecyclerViewAdapter(List animalList, int resource) {
    this.animalList = animalList;
    this.resource = resource;
  }

  @NonNull
  @Override
  public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
    View itemView = LayoutInflater.from(parent.getContext()).inflate(resource,parent,
        false);
    ViewHolder holder = new ViewHolder(itemView);
    return holder;
  }

  @Override
  public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
    Animal animal = animalList.get(position);
    holder.animalImag.setImageResource(animal.getImageId());
    holder.animalName.setText(animal.getName());

  }

  @Override
  public int getItemCount() {
    return animalList.size();
  }

  static class ViewHolder extends RecyclerView.ViewHolder{
     ImageView animalImag;
     TextView animalName;
     public ViewHolder(View itemView){
       super(itemView);
       animalImag = itemView.findViewById(R.id.iv_recyclerview_imag);
       animalName = itemView.findViewById(R.id.tv_recyclerview_name);
     }
   }
}

public class RecyclerViewActivity extends AppCompatActivity {
  private List animalList = new ArrayList<>();
  private RecyclerView recyclerView;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_recycler_view);
    recyclerView = findViewById(R.id.recyclerView_view);
    initAnimals();
    LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this);
    linearLayoutManager.setOrientation(LinearLayoutManager.HORIZONTAL);
    recyclerView.setLayoutManager(linearLayoutManager);
    RecyclerViewAdapter adapter = new RecyclerViewAdapter(animalList,R.layout.recyclerview_item);
    recyclerView.setAdapter(adapter);
  }
  //初始化动物数据
  private void initAnimals() {
      Animal daxaing = new Animal("大象", R.drawable.animal_one);
      animalList.add(daxaing);
      Animal shizi = new Animal( "袋鼠", R.drawable.animal_two);
      animalList.add(shizi);
      Animal daishu = new Animal("二哈", R.drawable.animal_three);
      animalList.add(daishu);
      Animal laohu = new Animal("狮子", R.drawable.animal_four);
      animalList.add(laohu);
      Animal zhu = new Animal("猪", R.drawable.animal_five);
      animalList.add(zhu);
      Animal sOngshu= new Animal("猴子", R.drawable.animal_six);
      animalList.add(songshu);
      Animal baozi = new Animal("豹子", R.drawable.animal_seven);
      animalList.add(baozi);
      Animal shayu = new Animal("鲨鱼", R.drawable.animal_eight);
      animalList.add(shayu);
  }

}