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我正在開發一個應用程序，用於監聽來自電子郵件帳戶的消息並執行特定操作。爲此，我使用這個：AddFolderListener在某些設備中工作，但在另一個設備中不起作用
public class EmailListener implements FolderListener {
public void registerEmailListener(boolean register) {
ServiceBook sb = ServiceBook.getSB();
ServiceRecord[] srs = sb.findRecordsByCid("CMIME");
if (srs != null) {
ServiceRecord sr;
ServiceConfiguration sc;
/* unregister all email listener to avoid duplicate listeners */
desregisterAllEmailListeners(srs);
for (int i = srs.length - 1; i >= 0; --i) {
sr = srs[i];
try {
sc = new ServiceConfiguration(sr);
registerEmail(sc, register);
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
private void registerEmail(ServiceConfiguration sc, boolean register) {
Session s = Session.getInstance(sc);
if (s != null) {
Folder[] folders = s.getStore().list();
for (int foldercnt = folders.length - 1; foldercnt >= 0; --foldercnt) {
Folder f = folders[foldercnt];
// If the folder doesn't have the service book for this email, we do not want to register it
if (f.getFullName().indexOf(sc.getEmailAddress()) >= 0) {
recurse(f, register);
}
}
}
}
private void recurse(Folder f, boolean add) {
if (f.getType() == Folder.INBOX) {
f.removeFolderListener(this);
if (add) {
f.addFolderListener(this);
}
}
Folder[] farray = f.list();
for (int fcnt = farray.length - 1; fcnt >= 0; --fcnt) {
recurse(farray[fcnt], add);
}
}
public void desregisterAllEmailListeners(ServiceRecord[] srs) {
ServiceRecord sr;
ServiceConfiguration sc;
for (int i = srs.length - 1; i >= 0; --i) {
sr = srs[i];
try {
sc = new ServiceConfiguration(sr);
registerEmail(sc, false);
} catch (Exception e) {
e.printStackTrace();
}
}
}
public void messagesAdded(final FolderEvent e) {
....
}
....
}
當電子郵件來了，它會執行messageAdded並執行特定操作。問題在於，它在某些設備中起作用，而在另一個設備中不起作用。它會在每種情況下正確註冊電子郵件偵聽器，但在某些情況下不會執行messageAdded。 有什麼問題？
它的工作原理是：9300 OS 6.0和OS 5.0和9220 OS 7.1 它在9320 OS 7.1，9380 OS 7.1和9800 OS 6.0
非常感謝您doesn't工作。