我浪费了半年的时间试图了解这项服务的问题所在。在 2.2 设备中，服务在 5 分钟后停止工作，在 4.0 设备中工作数天。
当我添加onBind()时，服务工作大约 10 个小时。
当我添加onStartCommand()返回*START_NOT_STICKY*通知不
显示在运行服务中显示的服务但不工作
任何想法我如何使它工作。
编码：
package saif.pblc.blahblah;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Calendar;
import android.annotation.SuppressLint;
import android.app.AlarmManager;
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.content.SharedPreferences;
import android.os.Binder;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.os.Vibrator;
public class My_Service extends Service{
Context context = this;
//String cserver = "http://some_server/App/";
String cserver = "http://onother_server/";
final String smsverURL = cserver +"sms/smsver";
final String smsBodyURL =cserver + "sms/smsbody";
//Notification
private static final int NOTIFY_ME_ID=133333;
private NotificationManager notifyMgr=null;
//
private final IBinder mBinder = new LocalBinder();
public class LocalBinder extends Binder {
My_Service getService() {
return My_Service.this;
}
}
@Override
public IBinder onBind(Intent intent) {
return mBinder;
}
@Override
public void onCreate() {
notifyMgr=(NotificationManager)getSystemService(NOTIFICATION_SERVICE);
//Toast.makeText(this, "Service created!", Toast.LENGTH_LONG).show();
}
@SuppressLint("HandlerLeak")
@Override
public void onStart(Intent intent, int startid) {
//Toast.makeText(this, "Service started.", Toast.LENGTH_LONG).show();
final Handler handler = new Handler(){
@Override
public void handleMessage(Message msg) {
// TODO Auto-generated method stub
super.handleMessage(msg);
//Toast.makeText(context, "secs has passed", Toast.LENGTH_SHORT).show();
check_message();
}
};
new Thread(new Runnable(){
public void run() {
// TODO Auto-generated method stub
while(true)
{
try {
handler.sendEmptyMessage(0);
Thread.sleep(60000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
//e.printStackTrace();
}
}
}
}).start();
}
private void check_message(){
final SharedPreferences allData = getApplicationContext().getSharedPreferences("allData", 0);
final float smsver = allData.getFloat("smsVer", 0);
final ThreadedRequest evert = new ThreadedRequest(smsverURL, "Error");
evert.start(new Runnable()
{
public void run()
{
if(evert.data!="Error"||evert.data!=""){
try{
final float temp = Float.parseFloat(evert.data);
if(temp>smsver && temp>1){
final ThreadedRequest tReq = new ThreadedRequest(smsBodyURL, "Error");
tReq.start(new Runnable()
{
public void run()
{
if(tReq.data!="Error"){
SharedPreferences.Editor editor = allData.edit();
editor.putFloat("smsVer", temp);
// Commit the edits!
editor.commit();
//Toast.makeText(context, tReq.data, Toast.LENGTH_LONG).show();
String[] msg = tReq.data.split(",");
My_Service.this.notify(msg[0],msg[1]);
}
}
});
}
}catch (Exception e){
}
}
}
});
}
@SuppressWarnings("deprecation")
private void notify(String title , String body){
//Instantiate notification with icon and ticker message
Notification notifyObj=new Notification(R.drawable.ic_launcher, title, System.currentTimeMillis());
//PendingIntent to launch our activity if the user selects it
Intent myIntent = new Intent(this, Show_Message.class);
myIntent.putExtra("Title",title);
myIntent.putExtra("Body",body);
PendingIntent i=PendingIntent.getActivity(this, 0, myIntent,0);
notifyObj.setLatestEventInfo(this, title,"Show the datails", i);
//Value indicates the current number of events represented by the notification
//notifyObj.number=++count;
//Set default vibration
notifyObj.defaults = Notification.DEFAULT_VIBRATE;
//Set default notification sound
notifyObj.defaults = Notification.DEFAULT_SOUND;
//Clear the status notification when the user selects it
notifyObj.flags =Notification.FLAG_AUTO_CANCEL;
//Send notification
notifyMgr.notify(NOTIFY_ME_ID, notifyObj);
Vibrator v = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
// Vibrate for 1000 milliseconds
v.vibrate(1000);
}
//Class
//
public class ThreadedRequest
{
private String url;
private Handler mHandler;
private Runnable pRunnable;
private String data;
//private int stausCode;
public ThreadedRequest(String newUrl, String newData)
{
url = newUrl;
data = newData;
mHandler = new Handler();
}
public void start(Runnable newRun)
{
pRunnable = newRun;
processRequest.start();
}
private Thread processRequest = new Thread()
{
public void run()
{
//Do you request here...
String stringText = "";
URL textUrl;
try {
textUrl = new URL(url);
BufferedReader bufferReader = new BufferedReader(new InputStreamReader(textUrl.openStream()));
String StringBuffer;
while ((StringBuffer = bufferReader.readLine()) != null) {
stringText += StringBuffer;
}
bufferReader.close();
//stringText = Html.fromHtml(stringText).toString();
data = stringText;
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
//e.printStackTrace();
data = "Error";
} catch (IOException e) {
// TODO Auto-generated catch block
//e.printStackTrace();
data = "Error";
}
if (pRunnable == null || mHandler == null) return;
mHandler.post(pRunnable);
}
};
}
}
谢谢