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我遇到了运行服务的问题，实际上，当我退出应用程序本身的应用程序本身或从任务管理器中单击“退出应用程序”按钮时服务未运行。如果应用程序未关闭，则服务正在运行并且用户将被通知。该服务实际上会通知用户最新评论。以下是我的服务班。下面Android服务在退出应用程序时未运行
package com.android.my.hotnews;
import java.util.Calendar;
import java.util.Timer;
import java.util.TimerTask;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.IBinder;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteException;
import android.database.Cursor;
public class CommentNotificationService extends Service{
private Notification notifyMe;
private NotificationManager notifyManager;
private PendingIntent pIntent;
private Intent intent;
private static String DBPATH="data/data/com.android.my.hotnews/databases/";
private static String DBNAME="mydb.db";
private String path = DBPATH+DBNAME;
private Timer timer = new Timer();
private static final long UPDATE_INTERVAL = 5000;
String title = null;
String content = null;
String date = null;
Calendar cal = null;
public void onCreate(){
super.onCreate();
notifyManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
notifyMe = new Notification(R.drawable.comment_icon, "New Comment", System.currentTimeMillis());
intent = new Intent(android.content.Intent.ACTION_VIEW, null, getApplicationContext(), CommentViewer.class);
pIntent = PendingIntent.getActivity(getApplicationContext(), 0, intent, android.content.Intent.FLAG_ACTIVITY_NEW_TASK);
inComingComment();
}
public void inComingComment() throws SQLiteException{
SQLiteDatabase db;
db=SQLiteDatabase.openDatabase(path, null, SQLiteDatabase.OPEN_READONLY);
Cursor rs = db.rawQuery("SELECT * FROM Comment_Log ORDER BY Comment_Date_Time ASC", null);
if(rs.getCount()>0){
rs.moveToFirst();
try {
String[] dmy = rs.getString(1).split("/");
String[] hm = rs.getString(2).split(":");
cal = Calendar.getInstance();
cal.set(Calendar.DATE, Integer.parseInt(dmy[0]));
cal.set(Calendar.MONTH, Integer.parseInt(dmy[1])-1);
cal.set(Calendar.YEAR, Integer.parseInt(dmy[2]));
cal.set(Calendar.HOUR_OF_DAY, Integer.parseInt(hm[0]));
cal.set(Calendar.MINUTE, Integer.parseInt(hm[1]));
title="new comment";
content=rs.getString(3);
db.close();
} catch (Exception e) {
log.d("error ocurred",e.getClass().getName());
db.close();
}
}
//timer.scheduleAtFixedRate(new TimerTask(){
timer.schedule(new TimerTask(){
@Override
public void run() {
notifyMe.setLatestEventInfo(getApplicationContext(), title , content, pIntent);
notifyManager.notify(0, notifyMe);
}
}, cal.getTime(), UPDATE_INTERVAL);
}
public void onDestroy(){
}
@Override
public IBinder onBind(Intent intent) {
return null;
}
}
是我的清单文件
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.android.my.hotnews"
android:versionCode="1"
android:versionName="1.0">
<supports-screens
android:largeScreens="true"
android:normalScreens="true"
android:smallScreens="true"
android:resizeable="true"
android:anyDensity="true"
/>
<application android:icon="@drawable/apps_icon" android:label="@string/app_name" android:debuggable="true">
<activity android:name=".ContentLoader"
android:configChanges="orientation|keyboardHidden">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".CommentViewer" android:configChanges="orientation|keyboardHidden"/>
<service android:name=".CommentNotificationService"/>
</application>
</manifest>
您需要启动服务'STICKY'，这意味着服务将在其明确关闭时停止。 –
我需要在哪里指定STICKY？ – Zahary