Android设计模式——工厂方法模式(Factory Method)

 1 package com.example.main;
 2 
 3 import android.app.Activity;
 4 import android.os.Bundle;
 5 import android.widget.TextView;
 6 
 7 /*
 8  * Android设计模式——工厂方法模式(Factory Method)
 9  */
10 
11 public class Factory extends Activity {
12 
13     private TextView tv;
14 
15     @Override
16     protected void onCreate(Bundle savedInstanceState) {
17         super.onCreate(savedInstanceState);
18         setContentView(R.layout.create);
19 
20         tv = (TextView) findViewById(R.id.appTxt);
21 
22         //androidApp标准
23         IApp androidApp = AppFactroy.Google();
24         
25         //发布androidApp产品
26         androidApp.sendApp(tv);
27     }
28 
29     /*
30      * IApp App产品接口 发布不同类型App产品
31      */
32 
33     interface IApp {
34         void sendApp(TextView tv);
35     }
36 
37     /*
38      * IOSApp产品
39      */
40 
41     static class IOSApp implements IApp {
42 
43         @Override
44         public void sendApp(TextView tv) {
45             tv.setText("This is IOSApp");
46         }
47     }
48 
49     /*
50      * AndroidApp产品
51      */
52 
53     static class AndroidApp implements IApp {
54 
55         @Override
56         public void sendApp(TextView tv) {
57             tv.setText("This is AndroidApp");
58         }
59     }
60 
61     /*
62      * 不同类型APP制造商
63      */
64 
65     static class AppFactroy {
66 
67         public static IApp Apple() {
68             return new IOSApp();
69         }
70 
71         public static IApp Google() {
72             return new AndroidApp();
73         }
74     }
75 
76 }