Android使用bindService启动服务

package com.example.ebobo;

import java.util.Timer;

import java.util.TimerTask;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.util.Log;
import android.os.Binder;

public class timer_push extends Service {

private NotificationManager manager;
private Notification myNotify;
private Context context;
private PendingIntent contentIntent;
private CharSequence contentTitle;
private CharSequence contentText;

private Timer mTimer = null;
private TimerTask mTimerTask = null;

private final IBinder binder = new MyBinder();

@Override
public IBinder onBind(Intent intent) {
return binder;
}

public class MyBinder extends Binder {
timer_push getService() {
return timer_push.this;
}
}

@Override
public boolean onUnbind(Intent intent) {
// 当调用者退出(即使没有调用unbindService)或者主动停止服务时会调用
System.out.println("调用者退出了");
return super.onUnbind(intent);
}

@Override
public void onCreate()
{
super.onCreate();
Log.i("push_service", "push_service onCreate");

manager = (NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
int icon = R.drawable.button_login; //通知图标
CharSequence tickerText = "Hello"; //状态栏显示的通知文本提示
long when = System.currentTimeMillis(); //通知产生的时间，会在通知信息里显示
myNotify = new Notification(icon,tickerText,when);
myNotify.defaults = Notification.DEFAULT_VIBRATE;

context = getApplicationContext(); //上下文
contentTitle = "定时按摩"; //通知栏标题
Intent notificationIntent = new Intent(getApplicationContext(), ScanActivity.class); //点击该通知后要跳转的Activity
contentIntent = PendingIntent.getActivity(getApplicationContext(), 0, notificationIntent, 0);
}

@SuppressWarnings("deprecation")
@Override
public void onStart(Intent intent,int startId)
{
super.onStart(intent, startId);
Log.i("push_service", "push_service start");
}

@Override
public void onDestroy()
{
stopMyTimer();
manager.cancel(2);
super.onDestroy();
Log.i("push_service", "push_service destroy");
}

@SuppressLint("HandlerLeak")
private Handler handler = new Handler(){
public void handleMessage(Message msg) {
switch (msg.what) {
case 123:
contentText = "请注意大保健!"; //通知栏内容
myNotify.setLatestEventInfo(context, contentTitle, contentText, contentIntent);
manager.notify(2, myNotify);
//如果想要更新一个通知，只需要在设置好notification之后，再次调用 setLatestEventInfo(),然后重新发送一次通知即可，即再次调用notify()。
break;

default:
break;
}
}
};

public  void startMyTimer(){
if (mTimer == null) {
mTimer = new Timer();
}

if (mTimerTask == null) {
mTimerTask = new TimerTask() {
@Override
public void run() {
do {
try {
Log.i("push_service", "222222222222222222222222222222222222222y");
Message message = new Message();
message.what = 123;
handler.sendMessage(message);
}
catch (IllegalStateException e) {
}
} while (false);
}
};
}

if(mTimer != null && mTimerTask != null )
mTimer.schedule(mTimerTask, 0, 10000);
}

public  void stopMyTimer(){

if (mTimer != null) {
mTimer.cancel();
mTimer = null;
}

if (mTimerTask != null) {
mTimerTask.cancel();
mTimerTask = null;
}
}
}

public class LoginActivity extends Activity implements OnClickListener, OnCheckedChangeListener {

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login);

Intent intent = new Intent(this, timer_push.class);
bindService(intent, connection, Context.BIND_AUTO_CREATE);

init();
}

private ServiceConnection connection = new ServiceConnection() {

@Override
public void onServiceDisconnected(ComponentName name) {
myService = null;
}

@Override
public void onServiceConnected(ComponentName name, IBinder service) {
myService = ((timer_push.MyBinder) service).getService();
System.out.println("Service连接成功");
// 执行Service内部自己的方法
myService.startMyTimer();
}
};
}

public class WaterActivity extends Activity implements OnClickListener, OnSeekBarChangeListener {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_mian_water);

init();

model = 0;

Intent sintent = new Intent(this, timer_push.class);
bindService(sintent, connection, Context.BIND_AUTO_CREATE);
}

private ServiceConnection connection = new ServiceConnection() {

@Override
public void onServiceDisconnected(ComponentName name) {
myService = null;
}

@Override
public void onServiceConnected(ComponentName name, IBinder service) {
myService = ((timer_push.MyBinder) service).getService();
System.out.println("Service连接成功");
}
};

public void onClick(View v) {
　　switch (v.getId()) {
　　 case R.id.btn_wf_start:
index = 3;
if(btnStart.getText().toString().equals(getResources().getString(R.string.start))){
btnStart.setText(getResources().getString(R.string.stop));
startMyTimer();

getflag = 1;

final ProgressDialog proDia=ProgressDialog.show(WaterActivity.this,"",
"正在启动设备，请稍后...",true,false);// 执行Service内部自己的方法
myService.stopMyTimer();
} else {// 执行Service内部自己的方法
myService.startMyTimer();
}
}
}
}