我尝试了以下代码为
Android通知,这是正常工作,但它是在我启动我的Android应用程序时给我通知弹出窗口.
I want to show an notification after every 48hours,how can I do it?
为了实现这一点,我需要做出哪些改变？
Intent notificationIntent = new Intent(MainActivity.this,Activity.class);
PendingIntent contentIntent = PendingIntent.getActivity(MainActivity.this,notificationIntent,0);
NotificationManager notificationManager = (NotificationManager) MainActivity.this
.getSystemService(Context.NOTIFICATION_SERVICE);
Notification noti = new NotificationCompat.Builder(MainActivity.this)
.setSmallIcon(R.drawable.ic_launcher)
.setTicker("ticker message")
.setWhen(System.currentTimeMillis())
.setContentTitle("HELLO")
.setContentText("PLEASE CHECK WE HAVE UPDATED NEWS")
.setContentIntent(contentIntent)
//At most three action buttons can be added
.setAutoCancel(true).build();
int notifyID =0;
notificationManager.notify(notifyID,noti);
解决方法
这是您在主要活动中所需要的东西：
Intent notificationIntent = new Intent(context,ShowNotification.class);
PendingIntent contentIntent = PendingIntent.getService(context,PendingIntent.FLAG_CANCEL_CURRENT);
AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
am.cancel(contentIntent);
am.setRepeating(AlarmManager.RTC_WAKEUP,System.currentTimeMillis()
+ AlarmManager.INTERVAL_DAY * 2,AlarmManager.INTERVAL_DAY * 2,contentIntent);
然后,在另一个名为ShowNotification.java的文件中,添加以下内容(假设您的主要活动名为MainActivity)：
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.IBinder;
import android.support.v4.app.NotificationCompat;
import android.util.Log;
public class ShowNotification extends Service {
private final static String TAG = "ShowNotification";
@Override
public void onCreate() {
super.onCreate();
Intent mainIntent = new Intent(this,MainActivity.class);
NotificationManager notificationManager
= (NotificationManager) this.getSystemService(Context.NOTIFICATION_SERVICE);
Notification noti = new NotificationCompat.Builder(this)
.setAutoCancel(true)
.setContentIntent(PendingIntent.getActivity(this,mainIntent,PendingIntent.FLAG_UPDATE_CURRENT))
.setContentTitle("HELLO " + System.currentTimeMillis())
.setContentText("PLEASE CHECK WE HAVE UPDATED NEWS")
.setDefaults(Notification.DEFAULT_ALL)
.setSmallIcon(R.drawable.ic_launcher)
.setTicker("ticker message")
.setWhen(System.currentTimeMillis())
.build();
notificationManager.notify(0,noti);
Log.i(TAG,"Notification created");
}
@Override
public IBinder onBind(Intent intent) {
// TODO Auto-generated method stub
return null;
}
}
