BlackBerry 应用程序开发者指南 第二卷：高级--第11章 管理通知(Notification) |
| 作者：佚名 来源：本站整理 发布时间：2008-3-15 2:08:36 |
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private MenuItem triggerItem = new MenuItem(null, 0, 100, 10) { public void run() { NotificationsManager.triggerImmediateEvent(ID_1, 0, this, null); } public String toString() { return "Trigger event"; } } }; private MenuItem deferItem = new MenuItem(null, 0, 100, 10) { public void run() { long timeout = -1; // Ignored unless trigger is OUT_OF_HOLSTER_TRIGGER. int trigger = NotificationsConstants.MANUAL_TRIGGER; Object er = new Object(); NotificationsManager.negotiateDeferredEvent(ID_1, ++_eventIdGenerator, er, timeout, trigger, null); } public String toString() { return "Start deferred event"; } }; private MenuItem cancelItem = new MenuItem(null, 0, 100, 10) { public void run() { int trigger = NotificationsConstants.MANUAL_TRIGGER; NotificationsManager.cancelDeferredEvent(ID_1, _eventIdGenerator, er, trigger, null); } public String toString() { return "Cancel deferred event"; } }; public void makeMenu( Menu menu, int instance ) { menu.add(triggerItem); menu.add(deferItem); menu.add(cancelItem); super.makeMenu(menu, instance); } public void onExit() { System.exit(0); } private static class NotificationsEngineListenerImpl implements NotificationsEngineListener { private UiApplication _app; } public NotificationsEngineListenerImpl(UiApplication app) { _app = app; } public void deferredEventWasSuperseded(long sourceID, long eventID, Object eventReference, Object context) { final long _eventID = eventID; er = eventReference; _app.invokeLater(new Runnable() { public void run() { NotificationsManager.cancelDeferredEvent(ID_1, _eventID, er, NotificationsConstants.MANUAL_TRIGGER, null); } }); } public void notificationsEngineStateChanged(int stateInt, long sourceID, long eventID, Object eventReference, Object context) { if(stateInt == NotificationsConstants.OUT_OF_HOLSTER_ENGINE_STATE) { // Perform some action if handheld is removed from holster. } if(stateInt == NotificationsConstants.IN_HOLSTER_ENGINE_STATE) { // Perform some action if handheld is inserted into holster. } } public void proceedWithDeferredEvent(long sourceID, long eventID, Object eventReference, Object context) { final long _eventID = eventID; } _app.invokeLater(new Runnable() { public void run() { String s = "This event has occurred: " + _eventID; Dialog d = new Dialog(Dialog.D_OK, s, Dialog.OK, Bitmap.getPredefinedBitmap(Bitmap.INFORMATION), 0); }; private MenuItem cancelItem = new MenuItem(null, 0, 100, 10) { public void run() { int trigger = NotificationsConstants.MANUAL_TRIGGER; NotificationsManager.cancelDeferredEvent(ID_1, _eventIdGenerator, er,trigger, null); } public String toString() { return "Cancel deferred event"; } }; public void makeMenu( Menu menu, int instance ) { menu.add(triggerItem); menu.add(deferItem); menu.add(cancelItem); super.makeMenu(menu, instance); } public void onExit() { System.exit(0); } private static class NotificationsEngineListenerImpl implements NotificationsEngineListener { private UiApplication _app; public NotificationsEngineListenerImpl(UiApplication app) { _app = app; } public void deferredEventWasSuperseded(long sourceID, long eventID,Object eventReference, Object context) { final long _eventID = eventID; er = eventReference; _app.invokeLater(new Runnable() { public void run() { NotificationsManager.cancelDeferredEvent(ID_1, _eventID, er, NotificationsConstants.MANUAL_TRIGGER, null); } }); } public void notificationsEngineStateChanged(int stateInt, long sourceID, long eventID, Object eventReference, Object context) { if(stateInt == NotificationsConstants.OUT_OF_HOLSTER_ENGINE_STATE) { // Perform some action if handheld is removed from holster. } if(stateInt == NotificationsConstants.IN_HOLSTER_ENGINE_STATE) { // Perform some action if handheld is inserted into holster. } } public void proceedWithDeferredEvent(long sourceID, long eventID, Object eventReference, Object context) { final long _eventID = eventID; _app.invokeLater(new Runnable() { public void run() { String s = "This event has occurred: " + _eventID; Dialog d = new Dialog(Dialog.D_OK, s, Dialog.OK, Bitmap.getPredefinedBitmap(Bitmap.INFORMATION), 0); d.show(); } }); } } } |
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