1 package com.example.metrox.l15;
2
3 import android.app.Service;
4 import android.content.Intent;
5 import android.os.Binder;
6 import android.os.IBinder;
7
8 public class MyService extends Service {
9 private boolean isRun = false;
10 private String data = "服务默认信息";
11 public MyService() {
12 }
13
14 @Override
15 public IBinder onBind(Intent intent) {
16 return new Binder();
17 }
18
19 public class Binder extends android.os.Binder{
20 public void setData(String data){
21 MyService.this.data = data;
22 }
23 public MyService getService(){
24 return MyService.this;
25 }
26 }
27
28 @Override
29 public int onStartCommand(Intent intent, int flags, int startId) {
30 System.out.println("服务已启动...");
31 data = intent.getStringExtra("data");
32
33 return super.onStartCommand(intent, flags, startId);
34 }
35
36 @Override
37 public void onCreate() {
38 super.onCreate();
39 System.out.println("服务已创建...");
40 isRun = true;
41 new Thread(){
42 @Override
43 public void run() {
44 super.run();
45 int i = 0;
46 while (isRun){
47 i++;
48 String str = i+ data;
49 System.out.println(str);
50 if(callback != null){
51 callback.OnDataChange(str);
52 }
53 try {
54 sleep(1000);
55 } catch (InterruptedException e) {
56 e.printStackTrace();
57 }
58 }
59 }
60 }.start();
61 }
62
63 @Override
64 public void onDestroy() {
65 super.onDestroy();
66 isRun = false;
67 System.out.println("服务已消毁...");
68 }
69
70 public Callback callback = null;
71
72 public void setCallback(Callback callback) {
73 this.callback = callback;
74 }
75
76 public Callback getCallback() {
77 return callback;
78 }
79
80 public static interface Callback{
81 void OnDataChange(String data);
82 }
83 }
1 package com.example.metrox.l15;
2
3 import android.content.ComponentName;
4 import android.content.Intent;
5 import android.content.ServiceConnection;
6 import android.os.Handler;
7 import android.os.IBinder;
8 import android.os.Message;
9 import android.provider.Settings;
10 import android.support.v7.app.AppCompatActivity;
11 import android.os.Bundle;
12 import android.view.View;
13 import android.widget.EditText;
14 import android.widget.Switch;
15 import android.widget.TextView;
16
17 public class MainActivity extends AppCompatActivity implements View.OnClickListener, ServiceConnection {
18 Intent intent;
19 EditText et;
20 TextView tv;
21 MyService.Binder binder = null;
22 private boolean isBind = false;
23 private boolean isRuning = false;
24 @Override
25 public void onClick(View view) {
26 switch(view.getId()){
27 case R.id.btnStartService:
28 et = (EditText) findViewById(R.id.editText);
29 intent.putExtra("data",et.getText().toString());
30 startService(intent);
31 isRuning = true;
32 break;
33 case R.id.btnStopService:
34 stopService(intent);
35 break;
36 case R.id.btnBindService:
37 bindService(intent,this,BIND_AUTO_CREATE);
38 break;
39 case R.id.btnUnBindService:
40 unbindService(this);
41 break;
42 case R.id.btnSyncData:
43 if(binder != null){
44 binder.setData(et.getText().toString());
45 }
46 break;
47 }
48 }
49
50 @Override
51 protected void onCreate(Bundle savedInstanceState) {
52 super.onCreate(savedInstanceState);
53 setContentView(R.layout.activity_main);
54 tv = (TextView) findViewById(R.id.textView);
55 intent = new Intent(MainActivity.this,MyService.class);
56 findViewById(R.id.btnStartService).setOnClickListener(this);
57 findViewById(R.id.btnStopService).setOnClickListener(this);
58 findViewById(R.id.btnBindService).setOnClickListener(this);
59 findViewById(R.id.btnUnBindService).setOnClickListener(this);
60 findViewById(R.id.btnSyncData).setOnClickListener(this);
61 }
62
63 @Override
64 public void onServiceConnected(ComponentName componentName, IBinder iBinder) {
65 System.out.println("服务已连接...");
66 binder = (MyService.Binder) iBinder;
67 binder.getService().setCallback(new MyService.Callback() {
68 @Override
69 public void OnDataChange(String data) {
70 Message msg = new Message();
71 Bundle b = new Bundle();
72 b.putString("data",data);
73 msg.setData(b);
74 handler.sendMessage(msg);
75 }
76 });
77 }
78
79 @Override
80 public void onServiceDisconnected(ComponentName componentName) {
81 System.out.println("服务已断开...");
82 }
83
84 private Handler handler = new Handler(){
85 @Override
86 public void handleMessage(Message msg) {
87 super.handleMessage(msg);
88 tv.setText(msg.getData().getString("data"));
89 }
90 };
91 }
1 <?xml version="1.0" encoding="utf-8"?> 2 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 3 xmlns:tools="http://schemas.android.com/tools" 4 android:layout_width="match_parent" 5 android:layout_height="match_parent" 6 android:paddingBottom="@dimen/activity_vertical_margin" 7 android:paddingLeft="@dimen/activity_horizontal_margin" 8 android:paddingRight="@dimen/activity_horizontal_margin" 9 android:paddingTop="@dimen/activity_vertical_margin" 10 tools:context="com.example.metrox.l15.MainActivity"> 11 12 <TextView 13 android:layout_width="wrap_content" 14 android:layout_height="wrap_content" 15 android:text="Hello World!" 16 android:id="@+id/textView" /> 17 18 <Button 19 android:layout_width="wrap_content" 20 android:layout_height="wrap_content" 21 android:text="停止服务" 22 android:id="@+id/btnStopService" 23 android:layout_marginTop="48dp" 24 android:longClickable="false" 25 android:layout_below="@+id/textView" 26 android:layout_centerHorizontal="true" /> 27 28 <Button 29 android:layout_width="wrap_content" 30 android:layout_height="wrap_content" 31 android:text="启动服务" 32 android:id="@+id/btnStartService" 33 android:layout_alignTop="@+id/btnStopService" 34 android:layout_alignParentLeft="true" 35 android:layout_alignParentStart="true" /> 36 <Button 37 android:layout_width="wrap_content" 38 android:layout_height="wrap_content" 39 android:text="解绑服务" 40 android:id="@+id/btnUnBindService" 41 android:longClickable="false" 42 android:layout_alignTop="@+id/btnBindService" 43 android:layout_alignLeft="@+id/btnStopService" 44 android:layout_alignStart="@+id/btnStopService" /> 45 46 <Button 47 android:layout_width="wrap_content" 48 android:layout_height="wrap_content" 49 android:text="绑定服务" 50 android:id="@+id/btnBindService" 51 android:layout_centerVertical="true" 52 android:layout_alignParentLeft="true" 53 android:layout_alignParentStart="true" /> 54 55 <EditText 56 android:layout_width="match_parent" 57 android:layout_height="wrap_content" 58 android:id="@+id/editText" 59 android:layout_above="@+id/btnStartService" 60 android:layout_alignParentLeft="true" 61 android:layout_alignParentStart="true" 62 android:text="默认数据" /> 63 64 <Button 65 android:layout_width="wrap_content" 66 android:layout_height="wrap_content" 67 android:text="同步数据" 68 android:id="@+id/btnSyncData" 69 android:layout_alignParentBottom="true" 70 android:layout_alignParentLeft="true" 71 android:layout_alignParentStart="true" 72 android:layout_marginBottom="74dp" /> 73 </RelativeLayout>
时间： 2024-10-22 19:47:12