Android :: Reusing Intents With Notification / Pending
Nov 19, 2009
In my app, user starts a service and shows a notification from activity A. The notification creates a Pending Intent that will invoke activity A should the user tap on it. The problem with this behavior is that, if the user starts the service (which shows the notification), drags down the notification bar, then taps the notification, I now have two activity A's in the display stack, one on top of the other and both exactly the same. How can I re-use the original activity A in this situation so the user isn't duplicating activities?
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Nov 7, 2009
I have some code that is creating and removing alarms, and which works great in Android 1.5 and 1.6 but breaks on the Android 2.0 AVD.The code that's giving this exception is: Code...
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Apr 26, 2010
I've asked here a question about Task Killers and widgets stop working (SO Question) but now, I have reports of user that they don't use any Task Killer and the widgets didn't work after a while. I have a Nexus One and I don't have this problem.I don't know if this is a problem of memory or something. Based on the API: So, I don't know why widget stop working, if Android doesn't kill the Pending Intent by itself, what's the problem? Code...
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May 13, 2010
I would like to show a notification that displays the progress of an ongoing operation. That works well for me. But at the same time the remote view should contain cancel button to stop the ongoing operation. The usual content intent should still do something else, i.e. not cancel the ongoing operation. It seems though that I can only have one intent. Code...
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Sep 8, 2010
in order to save some battery, I was wondering what happens if an activity registers a requestLocationUpdates and then the user (or the os) puts it in background or kills it. Will the location manger still be active and then will the pending intent still be fired? In other words, will the location manager still be alive even if its lancher does not exist anymore? I'd really love this scenario because allows me to link an intent service that handles the location updates without bothering of have something always running waiting for good news from location.
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Sep 18, 2010
I have a Widget I am working on, that allows the user to have more then one instance of the widget on his screen. Each Widget ID maintains its own configuration file. However, for some odd reason my code that is responsible for setting up the buttons individually for each widget id is not working, only the first widget id is linked to each individual widget. Below is the code that is responsible.
private void TieClicks(Context context){
RemoteViews rViews;
PendingIntent editPendingIntent= null;
// Intent updateintent = new Intent(context,SyncNoteWidget.class);
// updateintent.setAction(SyncNote_Action_Widget_Update);
// PendingIntent pendingupdateintent = PendingIntent.getBroadcast(context, 0, updateintent, 0);
// rViews.setOnClickPendingIntent(R.id.widgettextview , pendingupdateintent);
// AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(context);
int[] ids = appWidgetManager.getAppWidgetIds(new ComponentName(context, SyncNoteWidget.class));
for (int i =0;i< ids.length;i=i+1){
int wId = ids[i];
rViews = new RemoteViews(context.getPackageName(),R.layout.widget);
editPendingIntent = makeControlPendingIntentActivity(context, wId);
Log.v("syncnote", "tieing " + String.valueOf(wId));
rViews.setOnClickPendingIntent(R.id.widgeteditbutton, editPendingIntent);
appWidgetManager.updateAppWidget(wId, rViews);
editPendingIntent= null;
} }
private PendingIntent makeControlPendingIntentActivity(Context context,int appWidgetId) {
Intent active = new Intent(context, EditNote.class);
active.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK );
active.setAction(com.ntu.way2fungames.syncnote.SyncNoteWidget.SyncNote_Action_Edit);
active.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId);
return(PendingIntent.getActivity(context, 0, active, 0 ));
}
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May 20, 2009
I've had an issue where no matter how I've tried to set it up I'm finding the Broadcast Receivers aren't receiving any Pending Intents. A look through LogCat confirms that the intents are launched, but they're not being executed. I managed to make a simple(ish) repro case. If you take the SimpleWiktionary widget by Jeff Sharkey http://code.google.com/p/wiktionary-android/ and make the following changes plus any required imports. Code...
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May 11, 2010
Let's say I have a background service that performs several tasks. As it completes task A, it posts notification A with a certain intent and some extra data that indicates viewing result of A. As it completes task B, it posts notification B with a certain intent and some extra data that indicates viewing result of B. As it completes task C, it posts notification C with a certain intent and some extra data that indicates viewing result of C. At the end, the notification area has three notifications. Each one has the same intent, except for one of the extra data fields. I would expect that each one would load my activity with different extra data. They don't. When onNewIntent is called, each has the extra data field set to C. I have rooted out any possible aliasing and checked the data as it is placed into a notification. It seems to allow only one set of data per package. Is what I am attempting not possible? Has anyone accomplished what I am attempting? For example, have you had a service download several large files, and then had notifications that would open each of those. Code...
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Apr 30, 2010
I have one WidgetProvider but expect the user to have multiple instances of the widget on the home screen. When the user clicks on the widget, an intent is fired to start an activity A passing a String extra (which is specific to that instance of the app widget). Everything works fine unless the activity is already running, in which case the activity is shown in its previous state (and so the intent extra data is ignored). I've tried using various Intent flags (like FLAG_ACTIVITY_NEW_TASK) but they don't seem to help.
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Mar 16, 2010
Is it ok to drop Pending Intents in android if they are never used. Such as in an AppWidgetProvider where a Pending Intent that was never used be overwritten by a new Pending Intent. Or should we call cancel on all unused Pending Intents to clean up memory appropriately?
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Jun 9, 2010
I have a alarm thing going on in my app and it launches a notification that then when pressed launched an activity.The problem is that when I create more than one alarm then the activity launched from the notification gets the same extras as the first one. I think the problem is either with the intent i put in the pending intent or in the pending intent itself. I think I might need to put a flag on one of these but I dont know which one.The "details" extra is the same to every the next time a notification happens instead of having the different value.Until I set the intents I am sure that the correct value goes to the "details" so its a problem of getting the first intent everytime i press any notification. How can I make it to launch the correct intents?
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Sep 30, 2009
Is there a way to access pending notification or the previous notification that my application created?When I use Notification manager and use its setLatestEventInfo() method the last notification (with same intent) is updated. This is exactly what I want but when I update the notification, I want to access the existing notification's intent and get the key/value paris (Extras) and use that information to update the notification. For example in an SMS notification, I want to to get the current message (key/value pair or message itself) and update that with the new value. ( For giving the number of notifications, I can use the Notification.number, but that I want to access more values). One workaround that I am thinking is to put the data of first notification in database or in preference and access it when the second notification comes. But this is not exactly what I want, it is easier to use the existing notification instead of storing in database or preferences. Related Question: What do you suggest I use, Database or Preferences? Is there a best practise in terms of performance and elegance?
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Aug 8, 2010
Is there a way for the sender of a Notification to know when that Notification is delivered to the receiver? i.e. Some method that can check if a the user has clicked on a given Notification.What I'm trying to accomplish is this: Have my Service send a notification with a PendingIntent to start ActivityA. But if the user starts ActivityA without clicking on the Notification, I would like the service to cancel the Notification and send a direct Intent to ActivityA
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Sep 2, 2010
I have this annoying "voicemail pending" in my notification bar that will not go away. When I pull down the notification bar it says "Voicemail Pending. Tap ehere to call Voicemail. Sat, July 24, 2010." I tap it, it calls my voicemail, but it says I have no voicemail. The notification doesn't go away. Is there a way to "force" this notification to go away?
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Jun 26, 2012
I had tried to download 1 attachment from my Gmail app on Nexus S. The attachment got downloaded. But the download status bar in notification view which comes when we drag it down is still there. I tried several things like restarting phone , deleting and downloading the related file again etc.
But still the problem persists.
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Sep 22, 2010
I am trying to start an activity from the notification bar but it needs to get an int. From activity to activity I would just put an int into the intent but I can't seem to figure out where to add the extra for the notification bar? Is this possible? If not is there a better way to do it?public void notifyMe()Code...
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Jul 28, 2009
could i get email recieve notification from the Intent. how can i get the email recieve notification.
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Sep 14, 2010
I have a few activities within an app.
Should i be reusing the same location manager or should i call (LocationManager) this.getSystemService(Context.LOCATION_SERVICE) for each new activities?
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Dec 10, 2009
I have project A with some classes and some resources (used for classes configuration). I'd like to reuse its classes (and resources necessary for them) in another project B (and possibly in more projects). Currently I have 2 projects in Eclipse and they both builds fine, but when project B is started in emulator it fails with error.It should get classes and resources from both projects and package them together. 2) Make a third project which consists of symbolic links to classes and resources of those two projects. 3) Make project A as a service and consume it in project B. They all are imperfect: - 1 and 2 would pack classes and resources of project A into the .apk of project B. - 3 has performance penalty and reuse is not so easy.
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Nov 24, 2009
I'm currently developing for Android using Eclipse. I have a lexicon viewer application (with package name "com.mycompany.myviewer") that I want to reuse multiple times, just changing specific resources such as app name and icons.For example, I have a certain publisher "Publisher1", who publishes the lexicons "Lexicon1" and "Lexicon2". I would need to two applications: App1 with certain name and icon, and App2 with another name and icon.What is the best way of doing this in Java? In visual Studio (and C++) I could create two projects based on the lexikon viewer app and use conditional resources to get the right name and icon. Is there some way of doing something similar in Java?
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Oct 31, 2010
I am writing a application and it should be protected with a password. Instead of building a new one, Is it possible to use the Android's Pattern lock screen from application with different patterns?
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May 21, 2009
I'm writing a widget. Currently, I'm have a simple ImageView, and calling RemoteViews.setImageViewBitmap(). I'm using a service to do the updates.
I thought it might be a good idea to reuse an existing RemoteViews instance, so I'm only querying it the first time around, and subsequently simply call setImageViewBitmap() with the new image.
This works well initially, but after some time I first start getting "!!! FAILED BINDER TRANSACTION !!!" errors, and later, an OutOfMemory exception.
Simply creating a new RemoveViews instance every time works flawlessy on the other hand. I'm just curios why that would be, any ideas?
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Nov 8, 2010
All the examples I've found online for displaying a gallery of images require creating a custom Adapter and doing a ton of manual work. Is there not an Intent that I can simply pass a path or filter to in order to reuse the default image gallery functionality (display thumbnails, touch to view full pic, sharing options, etc) but limit the results to my application's storage directory?
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Feb 17, 2010
Please clarify me What is Pending Intent with an example.
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May 11, 2010
I am newbie to Android. I read the Android documents. Can anyone tell me what "Pending Intent" is?
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Aug 13, 2009
I'm writing an application that demonstrates various gesture algorithms, and Toast after each one is detected. of course if the user goes all hogwild then the Toasts back up. can i flush the Toast queue somehow?
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Oct 29, 2009
I've started using an AlarmManager for some tasks i'm doing and while setting up the pendingIntent to be broadcast I noticed there is no receiverPermission option. Can anyone tell me is it possible to set the receiver permission on a pendingIntent?
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Aug 18, 2010
That message can occurr if the receiving code crashes or takes too long. I am writing an appwidget for my application, there are like multiple pending intents are there to launch an activity or receive a broadcast. The Problem I am facing is , some times I get exception saying that the Pending Intents cannot be delivered. And the widget does not responds to the touch from the user. please help me. I am not able to find any alternative also.
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Jun 28, 2010
I would like to create some home screen app widgets that are entry points into an application. I can put a button in the app widget that uses setOnClickPendingIntent to start the activity. The problem occurs when I want to have two of these app widgets that are entry points to different parts of the activity. I need to be able to pass data into the activity that will distinguish these. Since both app widgets use a Pending Intent that starts the same activity, the two Pending Intents are shared and I can't reliably set extras for the corresponding intents.
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Sep 16, 2010
I created a widget that when clicked activates a PendingIntent.The problem is when I have more than one widget on the screen only the latest one will start the PendingIntent.I have read some about a unique request code, but not figured this out.Any ideas how I can have multiple widgets and the PendingIntents work for each?
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