Android Horizontal RecyclerView scroll Direction

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忘掉有多难
忘掉有多难 2020-12-12 16:26

I made a Horizontal RecyclerView and it works fine(thanks to this) but the direction of scroll and data are expand from left to right; then How can I change the RecyclerView

12条回答
  •  余生分开走
    2020-12-12 16:57

    Horizontal RecyclerView with imageview and textview

    xml file

    main.xml

    
    
    
    

    item.xml

    
    
    
    

    Java Class

    ActivityMaim.java

    public class MainActivity extends AppCompatActivity{
    private  RecyclerView  horizontal_recycler_view;
    private ArrayList horizontalList;
    private CustomAdapter horizontalAdapter;
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        horizontal_recycler_view= (RecyclerView) findViewById(R.id.horizontal_recycler_view);
        horizontalList = new ArrayList();
        for (int i = 0; i < MyData.nameArray.length; i++) {
            horizontalList.add(new Arraylist(
                    MyData.nameArray[i],
                    MyData.drawableArray[i]
            ));
        }
        horizontalAdapter=new CustomAdapter(horizontalList);
        LinearLayoutManager horizontalLayoutManagaer
                = new LinearLayoutManager(MainActivity.this, LinearLayoutManager.HORIZONTAL, false);
        horizontal_recycler_view.setLayoutManager(horizontalLayoutManagaer);
        horizontal_recycler_view.setAdapter(horizontalAdapter);
    }}
    

    Adaper Class

    CustomAdapter.java

    public class CustomAdapter extends RecyclerView.Adapter {
    
    private ArrayList dataSet;
    
    public static class MyViewHolder extends RecyclerView.ViewHolder {
    
        TextView textViewName;
    
        ImageView imageViewIcon;
    
        public MyViewHolder(View itemView) {
            super(itemView);
            this.textViewName = (TextView) itemView.findViewById(R.id.txtView);
            //this.textViewVersion = (TextView) itemView.findViewById(R.id.textViewVersion);
            this.imageViewIcon = (ImageView) itemView.findViewById(R.id.image);
            itemView.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v)
                {
                    if (getPosition()==0)
                    {
                        Toast.makeText(v.getContext(), " On CLick one", Toast.LENGTH_SHORT).show();
    
                    } if (getPosition()==1)
                    {
                        Toast.makeText(v.getContext(), " On CLick Two", Toast.LENGTH_SHORT).show();
    
                    } if (getPosition()==2)
                    {
                        Toast.makeText(v.getContext(), " On CLick Three", Toast.LENGTH_SHORT).show();
    
                    } if (getPosition()==3)
                    {
                        Toast.makeText(v.getContext(), " On CLick Fore", Toast.LENGTH_SHORT).show();
    
                    }
    
                }
            });
        }
    }
    
    public CustomAdapter(ArrayList data) {
        this.dataSet = data;
    }
    
    @Override
    public MyViewHolder onCreateViewHolder(ViewGroup parent,
                                           int viewType) {
        View view = LayoutInflater.from(parent.getContext())
                .inflate(R.layout.card_view, parent, false);
    
        //view.setOnClickListener(MainActivity.myOnClickListener);
    
        MyViewHolder myViewHolder = new MyViewHolder(view);
        return myViewHolder;
    }
    
    @Override
    public void onBindViewHolder(final MyViewHolder holder, final int listPosition) {
    
        TextView textViewName = holder.textViewName;
       // TextView textViewVersion = holder.textViewVersion;
        ImageView imageView = holder.imageViewIcon;
    
        textViewName.setText(dataSet.get(listPosition).getName());
        //textViewVersion.setText(dataSet.get(listPosition).getVersion());
        imageView.setImageResource(dataSet.get(listPosition).getImage());
    }
    
    @Override
    public int getItemCount() {
        return dataSet.size();
    }}
    

    Arraylist.java

    public class Arraylist{
    String name;
    int image;
    
    public Arraylist(String name, int image) {
        this.name = name;
        this.image=image;
    }
    public String getName() {
        return name;
    }
    public int getImage() {
        return image;
    }}
    

    MyData.java

    public class MyData {
    static String[] nameArray = {"Gas", "Insurance", "Electronics", "Other Services"};
    static Integer[] drawableArray = {R.drawable.gas_gas, R.drawable.insurance, R.drawable.electric, R.drawable.services};}
    

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