简易MVP实现

最新推荐文章于 2025-09-07 01:02:55 发布

转载最新推荐文章于 2025-09-07 01:02:55 发布 · 69 阅读

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原文链接：https://my.oschina.net/u/3698786/blog/1563921

文章标签：

#python #json #ui

2019独角兽企业重金招聘Python工程师标准>>>

M层获取数据

public class Model implements ModelInf {
    @Override
    public void getDate(final Handler handler) {
        OkHttpClient okHttpClient = OkHttpUtil.getInstance();
        Request request = new Request.Builder().url("http://172.16.45.43:8080/first_page.json").build();
                okHttpClient.newCall(request).enqueue(new Callback() {
                    @Override
                    public void onFailure(Call call, IOException e) {
                    }
                    @Override
                    public void onResponse(Call call, Response response) throws IOException {
                        String string = response.body().string();
                handler.obtainMessage(100,string).sendToTarget();
            }
        });
    }
}

M接口提供别人调用

public interface ModelInf {
    public void getDate(Handler handler);
}

V获取数据来更新UI（数据类型可以多种类型）

public interface ViewInf {
    public void upDate(List<Bean.ResultBean.DataBean> list);
}

P层连接M.V桥梁

public interface PresenterInf {
    public void ViewToModel();
}

public class Presenter implements PresenterInf {
    //创建M.V层对象
    private ModelInf modelInf;
    private ViewInf viewInf;
    public Presenter(MainActivity activity) {
        this.modelInf = new Model();
        this.viewInf = activity;
    }
    @Override
    public void ViewToModel() {
        //获取M层传递数据
        modelInf.getDate(handler);
    }
    Handler handler = new Handler(){
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);
            String s = (String) msg.obj;
            Gson gson = new Gson();

            Bean bean = gson.fromJson(s, Bean.class);
            List<Bean.ResultBean.DataBean> data = bean.getResult().getData();
            //传递给V层
            viewInf.upDate(data);
        }
    };
}

实现V层接口实现方法拿到数据

MainActivity implements ViewInf

转载于:https://my.oschina.net/u/3698786/blog/1563921