5
我在我的应用程序中遇到问题。我有一些名单,每个名单都有一个日期。如果列表的日期是今天我做了一个通知,并在我的通知中,我把这个列表中的项目。问题是,如果我的清单空我得到强制关闭。我只是在光标不为空的情况下才会发出通知,但看起来这不起作用。你能帮我找出问题在哪里吗?Android中的空游标
下面是代码的一部分:获取数据()之前
if (cr != null && cr.moveToFirst()) {
// ...
}
您需要moveToFirst:
cr = db.fetchListId(id);
startManagingCursor(cr);
s = new StringBuilder(100);
if (cr != null) {
do {
String myList = "";
myList += cr.getString(2) + " " + cr.getString(3)
+ cr.getString(4) + "," + "\n";
s.append(myList);
} while (cr.moveToNext());
s.append('.');
System.out.println("!!heyeheeye!" + s + "!!!!");
hey(list);
}
where hey(list) is a function where is made the notification.
private void hey(String list) {
notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
CharSequence NotificationTicket = "Hey";
long when = System.currentTimeMillis();
Notification notification = new Notification(R.drawable.icon,
NotificationTicket, when);
RemoteViews contentView = new RemoteViews(getPackageName(),
R.layout.proba);
contentView.setImageViewResource(R.id.image, R.drawable.icon);
contentView.setTextViewText(R.id.notif,
"Today,you must go for shopping for your list '" + list + "'. "
+ "Don't forget!!!" + "\n" + "You must buy :" + "\n"
+ s.toString() + "\n");
notification.contentView = contentView;
Context context = getApplicationContext();
Intent notifyIntent = new Intent(context, Lists.class);
Intent notificationIntent = new Intent(this, Lists.class);
PendingIntent contentIntent = PendingIntent.getActivity(this, 0,
notificationIntent, 0);
notification.contentIntent = contentIntent;
notificationManager.notify(ID_NOTIFICATION, notification);
notifyIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP
| Intent.FLAG_ACTIVITY_SINGLE_TOP);
}
谢谢。你说得对。现在,它的工作.. – Gaby 2011-06-04 11:40:40