我有AlarmManager
在不同的日子触发不同的notifications
。它显示过去日期的notification
,但未显示notifications
以表示将来的日期时间。
我尝试使用硬编码字符串然后它工作正常,但是当我从服务器获取日期时,警报管理器不会触发。非常感谢任何形式的帮助。
这是我的代码:
ReminderAlarmReceiver.java
public class ReminderAlarmReceiver extends BroadcastReceiver {
public static final String REMINDER = "reminder";
@Override
public void onReceive(Context context, Intent intent) {
PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
PowerManager.WakeLock wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, REMINDER);
// Acquire the lock
wakeLock.acquire();
Intent service = new Intent(context, ReminderService.class);
service.putExtra("id", intent.getStringExtra("id"));
service.putExtra("subject", intent.getStringExtra("subject"));
service.putExtra("description", intent.getStringExtra("description"));
context.startService(service);
// Release the lock
wakeLock.release();
}
public void setReminder(Context context, List<PlannerData> planner) {
SimpleDateFormat sdf = new SimpleDateFormat(AttributeSet.Constants.DATE_FORMAT);
Calendar calendar = Calendar.getInstance();
for (PlannerData data : planner) {
try {
Date d = sdf.parse(data.getReminderDate().trim());
calendar.setTime(d);
long when = calendar.getTimeInMillis(); // Notification Time
AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
Intent intent = new Intent(context, ReminderAlarmReceiver.class);
intent.putExtra("id", String.valueOf(planner.indexOf(data)));
intent.putExtra("subject", data.getSubject());
intent.putExtra("description", data.getDescription());
PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
am.set(AlarmManager.RTC_WAKEUP, when, pendingIntent);
} catch (ParseException e) {
e.printStackTrace();
}
}
}
public void cancelAlarm(Context context) {
Intent intent = new Intent(context, ReminderAlarmReceiver.class);
PendingIntent sender = PendingIntent.getBroadcast(context, 0, intent, 0);
AlarmManager alarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
alarmManager.cancel(sender);
}
}
ReminderService.java
public class ReminderService extends IntentService {
private static final int NOTIFY_ID = 1;
public ReminderService() {
super("ReminderService");
}
@Override
protected void onHandleIntent(Intent intent) {
NotificationCompat.Builder builder = new NotificationCompat.Builder(this)
.setSmallIcon(R.drawable.yellow)
.setContentTitle(intent.getStringExtra("subject") != null ? intent.getStringExtra("subject") : "")
.setContentText(intent.getStringExtra("description") != null ? intent.getStringExtra("description") : "");
// Creates an explicit intent for an Activity in your app
Intent resultIntent = new Intent(this, PlannerActivity.class);
// The stack builder object will contain an artificial back stack for the started Activity
// This ensures that navigating backward from the Activity leads out of your application to the Home Screen
TaskStackBuilder stackBuilder = TaskStackBuilder.create(this);
// Adds the back stack for the Intent (but not the Intent itself)
stackBuilder.addParentStack(PlannerActivity.class);
resultIntent.setAction(intent.getStringExtra("id"));
// Adds the Intent that starts the Activity to the top of the stack
stackBuilder.addNextIntent(resultIntent);
PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT);
builder.setContentIntent(resultPendingIntent);
NotificationManager notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
long timeInMilis = System.currentTimeMillis();
Notification notification = builder.build();
notification.when = timeInMilis;
notification.flags |= Notification.FLAG_AUTO_CANCEL;
notificationManager.notify(Integer.parseInt(intent.getStringExtra("id")), notification);
}
}
我的日期格式为:
public static final String DATE_FORMAT = "dd-MM-yyyy hh:mm a";
答案 0 :(得分:0)
我弄错了。 要设置多个警报,我需要使用不同的requestCode创建我的PendingIntent。 以下是我更新的源代码:
ReminderAlarmReceiver.java
public class ReminderAlarmReceiver extends BroadcastReceiver {
public static final String REMINDER = "reminder";
@Override
public void onReceive(Context context, Intent intent) {
PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
PowerManager.WakeLock wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, REMINDER);
// Acquire the lock
wakeLock.acquire();
Intent service = new Intent(context, ReminderService.class);
service.putExtra("id", intent.getStringExtra("id"));
service.putExtra("subject", intent.getStringExtra("subject"));
service.putExtra("description", intent.getStringExtra("description"));
context.startService(service);
// Release the lock
wakeLock.release();
}
public void setReminder(Context context, List<PlannerData> planner) {
SimpleDateFormat sdf = new SimpleDateFormat(AttributeSet.Constants.DATE_FORMAT);
Calendar calendar = Calendar.getInstance();
for (PlannerData data : planner) {
try {
Date d = sdf.parse(data.getReminderDate().trim());
calendar.setTime(d);
long when = calendar.getTimeInMillis(); // Notification Time
AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
Intent intent = new Intent(context, ReminderAlarmReceiver.class);
intent.putExtra("id", String.valueOf(planner.indexOf(data)));
intent.putExtra("subject", data.getSubject());
intent.putExtra("description", data.getDescription());
PendingIntent pendingIntent = PendingIntent.getBroadcast(context, planner.indexOf(data), intent, PendingIntent.FLAG_UPDATE_CURRENT);
am.set(AlarmManager.RTC_WAKEUP, when, pendingIntent);
} catch (ParseException e) {
e.printStackTrace();
}
}
}
}
从这里得到解决方案:Android Set Multiple Alarms!