1 package com.example.calculate;
2
3 interface ICalculate {
4     double doCalculate(double a, double b);
5 }

 1 public class CalculateService extends Service {
 2
 3     private MyBinder mBinder;
 4
 5     @Override
 6     public void onCreate() {
 7         // TODO Auto-generated method stub
 8         super.onCreate();
 9
10          mBinder = new MyBinder();
11
12     }
13
14
15     @Override
16     public void onDestroy() {
17         // TODO Auto-generated method stub
18         super.onDestroy();
19     }
20
21
22     @Override
23     public IBinder onBind(Intent arg0) {
24         // TODO Auto-generated method stub
25         return mBinder;
26     }
27
28
29     public class MyBinder extends ICalculate.Stub
30     {
31
32         @Override
33         public double doCalculate(double a, double b) throws RemoteException {
34             // TODO Auto-generated method stub
35             return a+b;
36         }
37
38     }
39
40 }

1  <service
2             android:name="com.example.aidlserver.CalculateService"
3             android:enabled="true" >
4             <intent-filter>
5                 <action android:name="com.example.calculate.ICalculate" />
6             </intent-filter>
7         </service>

 1 ICalculate mBinder;
 2
 3     ServiceConnection mCon=new ServiceConnection() {
 4
 5         @Override
 6         public void onServiceDisconnected(ComponentName arg0) {
 7             // TODO Auto-generated method stub
 8
 9         }
10
11         @Override
12         public void onServiceConnected(ComponentName arg0, IBinder arg1) {
13             mBinder=ICalculate.Stub.asInterface(arg1);
14
15
16
17         }
18     };

 1 public class MainActivity extends ActionBarActivity {
 2
 3
 4     Button btnPlus;
 5     EditText et1;
 6     EditText et2;
 7     TextView tvResult;
 8
 9
10     ICalculate mBinder;
11
12     ServiceConnection mCon=new ServiceConnection() {
13
14         @Override
15         public void onServiceDisconnected(ComponentName arg0) {
16             // TODO Auto-generated method stub
17
18         }
19
20         @Override
21         public void onServiceConnected(ComponentName arg0, IBinder arg1) {
22             mBinder=ICalculate.Stub.asInterface(arg1);
23
24
25
26         }
27     };
28
29
30     @Override
31     protected void onCreate(Bundle savedInstanceState) {
32         super.onCreate(savedInstanceState);
33         setContentView(R.layout.activity_main);
34
35
36         btnPlus=(Button) findViewById(R.id.btnPlus);
37         et1=(EditText) findViewById(R.id.et1);
38         et2=(EditText) findViewById(R.id.et2);
39         tvResult=(TextView) findViewById(R.id.tvResult);
40
41         btnPlus.setOnClickListener(new OnClickListener() {
42
43             @Override
44             public void onClick(View arg0) {
45
46                 if(mBinder==null)
47                 {
48                     return;
49                 }
50
51                 String num1=et1.getText().toString();
52                 String num2=et2.getText().toString();
53
54                 if(TextUtils.isEmpty(num1)||TextUtils.isEmpty(num2))
55                 {
56                     return;
57                 }
58
59                 double d1=Double.parseDouble(num1);
60                 double d2=Double.parseDouble(num2);
61
62                 double total=-1;
63
64                 Log.i("MainActivity", "onClick() d1="+d1+" d2"+d2);
65
66
67                 try {
68                     total=mBinder.doCalculate(d1, d2);
69                 } catch (RemoteException e) {
70                     // TODO Auto-generated catch block
71                     e.printStackTrace();
72                 }
73
74
75                 tvResult.setText("结果："+total);
76
77
78             }
79         });
80
81         Intent intent=new Intent("com.example.calculate.ICalculate");
82
83         bindService(intent, mCon, Context.BIND_AUTO_CREATE);
84
85     }
86
87
88
89     @Override
90     protected void onDestroy() {
91         // TODO Auto-generated method stub
92         super.onDestroy();
93         unbindService(mCon);
94     }
95
96
97
98
99 }