Dieses Codebeispiel habe ich von NewsRob erhalten, scheint also nicht so schwer zu sein
1package com.newsrob;
2
3import java.util.Date;
4
5import android.app.Notification;
6import android.app.NotificationManager;
7import android.app.PendingIntent;
8import android.content.Context;
9import android.content.Intent;
10
11class NewsRobNotificationManager implements IEntryModelUpdateListener {
12
13 static final int NOTIFICATION_SYNCHRONIZATION_RUNNING = 0;
14 static final int NOTIFICATION_SYNCHRONIZATION_STOPPED_WITH_ERROR = 1;
15
16 private NotificationManager nm;
17 private Context context;
18
19 private boolean displaysNotification;
20
21 NewsRobNotificationManager(Context context) {
22 this.nm = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
23 this.context = context.getApplicationContext();
24 }
25
26 private void cancelAllNotifications() {
27 cancelSyncInProgressNotification();
28 cancelSyncProblemNotification();
29 }
30
31 private void cancelSyncProblemNotification() {
32 nm.cancel(NOTIFICATION_SYNCHRONIZATION_STOPPED_WITH_ERROR);
33 }
34
35 private void cancelSyncInProgressNotification() {
36 nm.cancel(NOTIFICATION_SYNCHRONIZATION_RUNNING);
37 displaysNotification = false;
38 PL.log("NOTIFICATION: Running: unset", context);
39 }
40
41 private Notification createSynchronizationProblemNotification() {
42 PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, new Intent().setClass(context,
43 LoginActivity.class), 0);
44 Notification n = new Notification(R.drawable.sync_problem, U.t(context,
45 R.string.login_to_google_needed), new Date().getTime());
46 n.setLatestEventInfo(context, U.t(context, R.string.app_name),
47
48 U.t(context, R.string.login_to_google_needed), pendingIntent); // TODO
49 // i18n
50
51 return n;
52 }
53
54 private Notification createSynchronizationRunningNotification() {
55 Notification n = new Notification(R.drawable.sync_running, context.getResources().getString(
56 R.string.synchronization_running_notification_title), new Date().getTime());
57 Intent intent = new Intent(context, DashboardListActivity.class);
58 n.setLatestEventInfo(context, U.t(context, R.string.synchronization_running_notification_title), U.t(
59 context, R.string.synchronization_running_notification_summary), PendingIntent.getActivity(
60 context, 0, intent, 0));
61 n.flags = Notification.FLAG_ONGOING_EVENT;
62 return n;
63 }
64
65 private void sendSynchronizationRunningNotification() {
66 nm.notify(NOTIFICATION_SYNCHRONIZATION_RUNNING, createSynchronizationRunningNotification());
67 displaysNotification = true;
68 PL.log("NOTIFICATION: Running: set", context);
69 }
70
71 void sendSynchronizationProblemNotification() {
72 nm
73 .notify(NOTIFICATION_SYNCHRONIZATION_STOPPED_WITH_ERROR,
74 createSynchronizationProblemNotification());
75 }
76
77 public void modelUpdateFinished(ModelUpdateResult result) {
78 cancelAllNotifications();
79 }
80
81 public void modelUpdateStarted() {
82 // clear old and error notifications
83 cancelAllNotifications();
84
85 // set during notification
86 if (EntryManager.DEBUG)
87 sendSynchronizationRunningNotification();
88 }
89
90 public void modelUpdated() {
91 }
92
93 public void statusUpdated() {
94
95 }
96
97 public void finalize() {
98 if (displaysNotification)
99 PL.log("WTF? Notification wasn't cleared.", context);
100 }
101}
