转载：android MVC设计模式

import android.app.ProgressDialog;  

1. import android.os.Bundle;  
2. import android.support.v7.app.ActionBarActivity;  
3. import android.view.View;  
4. import android.widget.EditText;  
5. import android.widget.TextView;  
6. import android.widget.Toast;  
7. import com.xjp.androidmvcdemo.R;  
8. import com.xjp.androidmvcdemo.entity.Weather;  
9. import com.xjp.androidmvcdemo.entity.WeatherInfo;  
10. import com.xjp.androidmvcdemo.model.OnWeatherListener;  
11. import com.xjp.androidmvcdemo.model.WeatherModel;  
12. import com.xjp.androidmvcdemo.model.WeatherModelImpl;  
13. public class MainActivity extends ActionBarActivity implements OnWeatherListener, View.OnClickListener {  
14.     private WeatherModel weatherModel;  
15.     private Dialog loadingDialog;  
16.     private EditText cityNOInput;  
17.     private TextView city;  
18.     private TextView cityNO;  
19.     private TextView temp;  
20.     private TextView wd;  
21.     private TextView ws;  
22.     private TextView sd;  
23.     private TextView wse;  
24.     private TextView time;  
25.     private TextView njd;  
26.     @Override  
27.     protected void onCreate(Bundle savedInstanceState) {  
28.         super.onCreate(savedInstanceState);  
29.         setContentView(R.layout.activity_main);  
30.         weatherModel = new WeatherModelImpl();  
31.         initView();  
32.     }  
33.     /** 
34.      * 初始化View 
35.      */  
36.     private void initView() {  
37.         cityNOInput = findView(R.id.et_city_no);  
38.         city = findView(R.id.tv_city);  
39.         cityNO = findView(R.id.tv_city_no);  
40.         temp = findView(R.id.tv_temp);  
41.         wd = findView(R.id.tv_WD);  
42.         ws = findView(R.id.tv_WS);  
43.         sd = findView(R.id.tv_SD);  
44.         wse = findView(R.id.tv_WSE);  
45.         time = findView(R.id.tv_time);  
46.         njd = findView(R.id.tv_njd);  
47.         findView(R.id.btn_go).setOnClickListener(this);  
48.         loadingDialog = new ProgressDialog(this);  
49.         loadingDialog.setTitle(加载天气中...);  
50.     }  
51.     /** 
52.      * 显示结果 
53.      * 
54.      * @param weather 
55.      */  
56.     public void displayResult(Weather weather) {  
57.         WeatherInfo weatherInfo = weather.getWeatherinfo();  
58.         city.setText(weatherInfo.getCity());  
59.         cityNO.setText(weatherInfo.getCityid());  
60.         temp.setText(weatherInfo.getTemp());  
61.         wd.setText(weatherInfo.getWD());  
62.         ws.setText(weatherInfo.getWS());  
63.         sd.setText(weatherInfo.getSD());  
64.         wse.setText(weatherInfo.getWSE());  
65.         time.setText(weatherInfo.getTime());  
66.         njd.setText(weatherInfo.getNjd());  
67.     }  
68.     /** 
69.      * 隐藏进度对话框 
70.      */  
71.     public void hideLoadingDialog() {  
72.         loadingDialog.dismiss();  
73.     }  
74.     @Override  
75.     public void onClick(View v) {  
76.         switch (v.getId()) {  
77.             case R.id.btn_go:  
78.                 loadingDialog.show();  
79.                 weatherModel.getWeather(cityNOInput.getText().toString().trim(), this);  
80.                 break;  
81.         }  
82.     }  
83.     @Override  
84.     public void onSuccess(Weather weather) {  
85.         hideLoadingDialog();  
86.         displayResult(weather);  
87.     }  
88.     @Override  
89.     public void onError() {  
90.         hideLoadingDialog();  
91.         Toast.makeText(this, 获取天气信息失败, Toast.LENGTH_SHORT).show();  
92.     }  
93.     private <t extends="" view=""> T findView(int id) {  
94.         return (T) findViewById(id);  
95.     }  
96. }  

1. package com.xjp.androidmvcdemo.model;  
2.    
3. /** 
4.  * Description:请求网络数据接口 
5.  * User: xjp 
6.  * Date: 2015/6/3 
7.  * Time: 15:40 
8.  */  
9.    
10. public interface WeatherModel {  
11.     void getWeather(String cityNumber, OnWeatherListener listener);  
12. }  
13.    
14. ................  
15.    
16.    
17. package com.xjp.androidmvcdemo.model;  
18.    
19. import com.android.volley.Response;  
20. import com.android.volley.VolleyError;  
21. import com.xjp.androidmvcdemo.entity.Weather;  
22. import com.xjp.androidmvcdemo.volley.VolleyRequest;  
23.    
24. /** 
25.  * Description:从网络获取天气信息接口实现 
26.  * User: xjp 
27.  * Date: 2015/6/3 
28.  * Time: 15:40 
29.  */  
30.    
31. public class WeatherModelImpl implements WeatherModel {  
32.    
33.     @Override  
34.     public void getWeather(String cityNumber, final OnWeatherListener listener) {  
35.    
36.         /*数据层操作*/  
37.         VolleyRequest.newInstance().newGsonRequest(http://www.weather.com.cn/data/sk/ + cityNumber + .html,  
38.                 Weather.class, new Response.Listener<weather>() {  
39.                     @Override  
40.                     public void onResponse(Weather weather) {  
41.                         if (weather != null) {  
42.                             listener.onSuccess(weather);  
43.                         } else {  
44.                             listener.onError();  
45.                         }  
46.                     }  
47.                 }, new Response.ErrorListener() {  
48.                     @Override  
49.                     public void onErrorResponse(VolleyError error) {  
50.                         listener.onError();  
51.                     }  
52.                 });  
53.     }  
54. }