首页
学习
活动
专区
圈层
工具
发布
首页
学习
活动
专区
圈层
工具
MCP广场
社区首页 >问答首页 >如何使用API增加android应用程序中的访问者数

如何使用API增加android应用程序中的访问者数
EN

Stack Overflow用户
提问于 2021-05-13 18:37:42
回答 2查看 381关注 0票数 1

我正在为一个故事制作一个应用程序,它将在API (getstories.php)的帮助下在列表视图中显示一个故事列表。我使用的是volley图书馆和回收器视图。我还想实现访问者或视图计数,这意味着每当用户单击特定的列表项时,它就会将视图增加一个。对于访问者增量计数,我有一个额外的API,即,(incrementviews.php)。我已经在代码中实现了它,如果我向下滚动,它会更新整个列表项视图,计数为1。但是,我希望每当用户单击特定的列表项时,该特定列表项应该将视图增加一个,而不是整个列表项。有人能帮我修改一下吗?

代码在JAVA

这是我的代码:- Adapter.class

代码语言:javascript
运行
复制
public class StoriesAdapter extends RecyclerView.Adapter<StoriesAdapter.ViewHolder> {

    private static final String HP = "http://......./incrementviews.php?story_id=";
    private List<StoriesModel> storiesModels;
    private Context context;

    public StoriesAdapter(List<StoriesModel> storiesModels, Context context) {
        this.storiesModels = storiesModels;
        this.context = context;
    }

    @NonNull
    @Override
    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(parent.getContext())
                    .inflate(R.layout.row, parent, false); 
        return new ViewHolder(view);
    }

    @Override
    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {

        StoriesModel storiesModel = storiesModels.get(position);

        holder.header.setText(storiesModel.getTitle());
       
        holder.views.setText(storiesModel.getViews());
        holder.story.setText(storiesModel.getStory());


        //getViewCount method initialization
        final String story_id = storiesModel.getStoryId();
        getViewCountData(story_id, holder);

        

        holder.relativeLayout.setOnClickListener(new View.OnClickListener(){
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(context, DetailActivity.class);
                intent.putExtra("header",storiesModel.getTitle());
              
                intent.putExtra("views",storiesModel.getViews());

              intent.putExtra("story",storiesModel.getStory());

                context.startActivity(intent);
            }
        });


    }

    //Get view count Method
    private void getViewCountData(final String story_id , ViewHolder holder){
        StringRequest stringRequest = new StringRequest(Request.Method.POST, HP + story_id, new Response.Listener<String>() {
            @Override
            public void onResponse(String response) {
                try {
                    JSONObject jsonObject = new JSONObject(response);
                    JSONArray array = jsonObject.getJSONArray("data");
                    for (int i = 0; i < array.length(); i++) {
                        JSONObject o = array.getJSONObject(i);
                        String textCount = o.getString("views");
                        holder.views.setText(textCount);
                    }

                } catch (JSONException e) {
                    e.printStackTrace();
                }
            }
        }, new Response.ErrorListener() {
            @Override
            public void onErrorResponse(VolleyError error) {

            }
        }){
            @Override
            protected Map<String, String> getParams(){

                Map<String, String>parms = new HashMap<String, String>();
                parms.put("story_id",story_id);
                return parms;
            }
        };
        RequestQueue requestQueue = Volley.newRequestQueue(context);
        requestQueue.add(stringRequest);
    }



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

    public class ViewHolder extends RecyclerView.ViewHolder{

        public TextView header;
      
        public TextView views;

       public TextView story;

       //public LinearLayout linearLayout; //old of rowitem.xml

        public RelativeLayout relativeLayout;


        public ViewHolder(@NonNull View itemView) {
            super(itemView);

            header = (TextView) itemView.findViewById(R.id.header);
          
           views = (TextView) itemView.findViewById(R.id.views);

            story = (TextView) itemView.findViewById(R.id.story);

            //linearLayout = (LinearLayout) itemView.findViewById(R.id.linear_layout);//old of rowitem.xml

            relativeLayout = (RelativeLayout) itemView.findViewById(R.id.Newlinear_layout);

        }
    }
}

这是MainActivity.class:-

代码语言:javascript
运行
复制
public class StoriesFragment extends Fragment {

    private static final String URL_DATA = "https://......./getstories.php";
    private RecyclerView recyclerView;
    private RecyclerView.Adapter adapter;

    List<StoriesModel> storiesModels;

    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_stories, container, false);

        recyclerView = view.findViewById(R.id.recycler);
        recyclerView.setHasFixedSize(true);
        recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));

        storiesModels = new ArrayList<>();

        loadRecyclerViewData();


        return view;
    }

    private void loadRecyclerViewData(){
        ProgressDialog progressDialog = new ProgressDialog(getContext());
        progressDialog.setMessage("Please wait...");
        progressDialog.show();

        //fetch the data from the server

        StringRequest stringRequest = new StringRequest(Request.Method.GET,
                URL_DATA,

                new Response.Listener<String>() {
                    @Override
                    public void onResponse(String response) {
                        progressDialog.dismiss();
                        try {
                            JSONObject jsonObject = new JSONObject(response);
                            JSONArray array = jsonObject.getJSONArray("data");

                            for(int i =0; i<array.length(); i++){
                                JSONObject o = array.getJSONObject(i);
                                StoriesModel item = new StoriesModel    (
                                        o.getString("story_id"),
                                        o.getString("title"),
                                        o.getString("views"),
                                        
                                        o.getString("story")
                                       


                                );
                                storiesModels.add(item);
                            }

                            adapter = new StoriesAdapter(storiesModels, getContext());
                            recyclerView.setAdapter(adapter);

                        } catch (JSONException e) {
                            e.printStackTrace();
                        }
                    }
                },
                new Response.ErrorListener() {
                    @Override
                    public void onErrorResponse(VolleyError error) {
                        progressDialog.dismiss();
//                        Toast.makeText(getContext(), VolleyError.getMessage())
                        Toast.makeText(getContext(), (CharSequence) new VolleyError(), Toast.LENGTH_LONG).show();

                    }
    });
        RequestQueue requestQueue = Volley.newRequestQueue(getContext());
        requestQueue.add(stringRequest);

    }
}
EN

Stack Overflow用户

发布于 2021-05-13 20:01:06

如果您在DetailActivity中显示故事,那么您可以简单地在DetailActivity活动中实现增量查看器计数api。一旦用户到达此活动,并在屏幕上停留了几秒钟,您就可以简单地调用增量视图计数api。

因此,您必须做的是在onCreate of DetailActivity中创建和发送您的volley请求。

票数 0
EN
查看全部 2 条回答
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接:

https://stackoverflow.com/questions/67524465

复制
相关文章

相似问题

领券
问题归档专栏文章快讯文章归档关键词归档开发者手册归档开发者手册 Section 归档