Android :: Display AlertDialog As System Overlay Window From Service
Sep 28, 2010
I have issue with displaying AlertDialog from Service. I am able to display custom layout window using Toast or using WindowManager(TYPE_SYSTEM_ALERT or TYPE_SYSTEM_OVERLAY). But, I do not want to use custom layout, I prefer to use nice AlertDialog GUI directly.
Scenario:
Running Service. No active Activity present. On some external event, Service sends Notification
When user press Notification, Service is informed via PendingIntent and AlertDialog should be displayed (created with AlertDialog.Builder(this))
Error: ERROR/AndroidRuntime(1063): Caused by: android.view.WindowManager$BadTokenException: Unable to add window -- token null is not for an application. Searching for the answer lead me to impression that I am trying something that is currently not possible (Android 2.2). Or maybe it is.
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Feb 8, 2010
Why can't I use the Context of a Service to display an AlertDialog ?
I can do it with Toast!
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Jan 27, 2010
I am trying to display menu options while showing an AlertDialog i.e. when MENU key is pressed, it should show whatever options that have been created. I read the following in the Dev Guide at....................
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Nov 9, 2010
I have a service running a background thread. What I'd like to do is to show an AlertDialog initiated from my background thread. I know that this is not the recommended way of notifying the user and that it interrupts the workflow (as they can pop-up in any application at any time) but it's a suitable way for my use case. There is a handler registered with the background thread and showing a Toast notification withing the handler works fine. But after switching to an AlertDialog nothing happens anymore. My showDialog logic is silently ignored. No Dialog window appears, no log entry. It's a bit strange as I'd expect at least a log entry saying that I'm doing something wrong or whatever. Are there any limitations for showing an AlertDialog initiated from a service background thread? Some people seem to recommend a Dialog themed Activity to get a similar behavior.
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Dec 19, 2010
I'm trying to create an always-op-top button/clickable-image which stays on top of all the windows all the time. The proof of concept is here URLs...I'm following this example code URL....
I have been successful and have a running service now. The service displays some text on top left corner of screen all the time while user can freely interact with rest of apps in normal manner. What I'm doing is subclass ViewGroup and add it to root window manager with flag TYPE_SYSTEM_ OVERLAY. Now I want to add a button/clickable-image in place of this text which can receive touch events on itself. I tried overriding "onTouchEvent" for the whole ViewGroup but it does not receive any event. How can I receive events only on certain parts of my always-on-top view group?
Code:
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.graphics.Canvas;
[code]....
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Mar 15, 2010
I am building a MapView and I want my custom overlay items to display the name of the location they are marking when the user taps them, like the Android Maps app. I setup the onTap listener and the floating TextView to hold the location name. I still need to set it up so that it redraws the label when the user moves the map, etc. Anyway, I am wondering if I am reinventing the wheel here. Is there a built-in method I am unaware of? I would think that most implementations of MapView have labels. For reference, my implementation so far: in map xml:
<LinearLayout android:id="@+id/mapBubbleWrap" android:layout_width="wrap_content"
andoid:layout_height="wrap_content" android:layout_alignParentTop="true">
<TextView android:id="@+id/mapBubble" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:visibility="gone"
android:background="#ffffff" android:textColor="#ff0000"/>
</LinearLayout>
in my extended ItemizedOverlay:
public boolean onTap(int index) { this.setFocus( mOverlays.get(index) ); return true; }
in my Activity onFocus:
public void onFocusChanged( ItemizedOverlay overlay, OverlayItem item ) {
if( item != null) { mapBubble.setText(item.getTitle());
Point newPoint = mapView.getProjection().toPixels(item.getPoint(), null);
mapBubbleWrap.setPadding(newPoint.x, newPoint.y-10, 0, 0);
mapBubble.setVisibility(View.VISIBLE); } }
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Feb 25, 2010
When I try to set the Alert using ArrayAdaptor to display a set of items, the list is displayed but the items' characters are invisible. If the item is selected, then the characters are visible. Scratching
my head on why. Appreciate any advice.
Below is the code and the screenshot from the emulator.
CODE:.............
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Aug 18, 2010
I am new to Android and this is my first question here so please go easy on me.
Is it possible to check some condition inside onCreate() of an Activity and display an AlertDialog?
I am creating an AlertDialog anonymously in Oncreate() and calling show on that instance but the AlertDialog is never displayed.
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Jan 22, 2010
I want to display dialog/popup window of "are you sure you want to delete this entry" on click of button Delete if i press ok it should delete that entry other wise nothing.. i have written click lister of those buttons but dont know who to invoke dialog or pop and its functionality...
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Mar 12, 2010
I am trying to figure out what is the best way to go about creating dialogs. I can either create my own Dialog class (which, to me, is more clean and organized), or I can use AlertDialog.Builder (which would be done inline, and funky looking)... What are the positivies and negatives of either implementation?
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Nov 12, 2009
I am developing an ip phone an android.it may work as a service in background.when a call(or a message) coming in,I need a window(dialog or activity) popup.how to do that?
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Nov 30, 2009
I got an problem on getting the TelephonyManager in my personal service. The code as below: public class MyService extends Service {@Override public IBinder onBind(Intent intent) { return mBinder;}
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May 4, 2010
Is there a way to access the currently active window belonging to a different process from a background service and be allowed to modify some of its properties such as the transparency?
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May 22, 2009
I want to show a view on calling a Service API. Currently the only way looks like using the Toast class.
I tried the following after getting the WindowManager service, but it crashes at addView. I looked into the Toast class and found that it uses WindowManagerImpl which is not accessible publicly - is there any way to access the WindowManagerImpl functionality?
CODE:.................
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Oct 19, 2010
Im displaying contact details on a screen. I need to display phone call window to appear when user clicks on phone number in the contact details.
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Aug 18, 2010
I like tu use the MapActivity to display some pins. When a pin is pressed i like to open a description. This can I obtain following the tutorial: http://developer.android.com /resources /tutorials/views/hello-mapview. But now I like to put a button on the overlay window. That button should open a detail activity. How can I make this? How is possible to personalize the overlay "info window"?
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Mar 11, 2010
is it possible somehow to bind to private system services? What I want to do is listen to the activitymanagerservice and be notified when other activites are started. I tried implementing the IActivityController.aidl from the Sourcecode. It has methods like activityStarting and activityResuming but this didn't really work. (I used the idea from here: http://blog.codetastrophe.com/2008/12/accessing-hidden-system-service... , problem is there is no proper private field one could use at least c.getDeclaredFields() doesn't return anything useful from the activity manager)
Any ideas how I can get notified of things going on in the Activity Manager without having to do a getRunningTasks all the time? Because this is the only workaround I came up with but it slows down the phone.
##IActivityController.aidl:...................
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Sep 10, 2010
From what I can tell -- if you return START_NOT_STICKY from Service.onStartCommand(...), the system should not restart a service if it crashes. However, I'm not seeing that behavior -- any ideas on what could be restarting the service?
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Apr 9, 2009
how to define a service that launch automatically at startup and / or when installation without having to go through "activity". I look beautiful everywhere, I do found that the functions and BindService but StartService which requires action outside.
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Mar 9, 2010
I just would like to ask if anyone have encountered this strange behavior with other phone models or specifically HTC Tattoo wherein I have this service running for almost 5 hrs then after sometime the system kills the service. The phone does not restart actually nor any other 3rd party applicaton running in the background. Its only the service I have is running. I was wondering what were the causes that would force to close my service. Another strange thing is that before the service was closed I still can see all the logs in the logcat but after I saw that the service was closed I don't see any log information already seems like the phone was totally disconnected from my eclipse.
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Mar 31, 2009
I have noticed that if my background service crashes the system will automatically restart the service after 5 seconds. This is great, but I have noticed that only the onCreate method gets called and not the onStart method. Does this mean the service is properly restarted or do I need to do something special in the onCreate method to make sure it is? I did have my initialisation logic in the onCreate method and my starting service logic in the onStart method but it looks like it will all have to be in the onCreate method.
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Sep 1, 2010
What is the basic difference between the PhoneWindow and MidWindow policies? I found that the emulator version takes the implementations of the PhoneWindow.When the MidWindow implementations will be used? Also, I found that PhoneWindow handles the call settings implementation and the same is not there in MidWindow? Please someone help me pointing out the differences between both the policies and under which circumstances which one will be used.
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Sep 24, 2012
I have two list view which is display data from the web service.
List 1 -- with different background
List 2 -- with different background
I have two ArrayAdapter<String> to handle the values. I have issue in the display. my xml file is structured as
<Linear Layout>
<ListView> </ListView>
<ListView> </ListView>
<Linear Layout>
its displays the two list items by dividing the screen into two equal parts and scrolls within the list individually.
I wanted the List 1 to be displayed fully and then followed by List 2 and also it should screen should be scroll not with in the list but full screen so that List 2 could be seen below.
i tired many ways but still the results are not fine.
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Aug 30, 2010
How do i display dialog from a service ?
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Sep 9, 2010
We are working on a project where image data is coming from web service and we need to display that image bitmap data in our phones, the images could have more than 500, so when we download data form webservice and displaying then in gallery with converting image data into bitmap, outofmemory error is coming and program crashes.
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Jul 27, 2010
In my android application, I am using the tab view and so I have two tabs: parameters and results. the user enters the various parameters on the first tab and then switches to the second tab to view the results. i have a service that performs some long-running calculations. the user enters parameters on the first tab and hits 'calculate'. They can make adjustments and hit 'recalculate' and the service is updated with the new parameters.
As these calculations progress, I want the user to be able to switch to the results tab to view the results of the latest calculation. They would then view the results and be able to switch back to the parameters tab to make adjustments. I can think of two approaches: register the 'results tab' with the service and when the service reaches a milestone, it calls directly to the 'results tab'. have a timer running in the 'results tab' and have it query against the bound service on a regular interval and update accordingly.
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Feb 7, 2010
<html>
<script language="javascript">
/* This function is invoked by the activity */
function wave() {
alert("1");
document.getElementById("droid").src="android_waving.png";
alert("2");
}
</script>
<body>
<!-- Calls into the javascript interface for the activity -->
<a onClick="window.demo.clickOnAndroid()"><div style="width:80px;
margin:0px auto;
padding:10px;
text-align:center;
border:2px solid #202020;" >
<img id="droid" src="android_normal.png"/><br>
Click me!
</div></a>
</body>
</html>
What is "window.demo.clickOnAndroid()"? I know that clickOnAndroid is a method in my Android application. But what is window and demo? My file is called demo.html. Is that it?
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Aug 8, 2010
I'm trying to create an application that can use the android as a fax machine, IE Send a picture as a fax or receive a fax and save as a picture. So far I'm starting from the ground up and making sure I can intercept a call at the users discretion. I have an Receiver registered in the Manifest of my program with a filter of Phone_State which flags when the state has changed(IE incoming call).
So on my BroadcastReceiver I'm trying to have an AlertDialog popup prompting the user to either accept as fax or call but the AlertDialog seems to throw a android.view.WindowManager$BadTokenException Error when it has an incoming call. My code is just simple an onReceive(context arg0, intent arg1) and I pass the arg0 to the AlertDialog...
The full error message is below
CODE:.............
From what I have seen in the AlertDialog code, it passes the context as well as a Window and WindowManager, which I believe is why it's crashing, is there a better way or something else I should be using which might overlay the call screen?
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Oct 12, 2010
I have a TabActivity with 3 tabs. Each tab contains its own Activity. When one of the contained Activities pops up an AlertDialog, there are actually 3 dialogs created. The dialog has a Dismiss button and it must be pressed 3 times to finally dismiss the 3rd dialog.
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May 20, 2010
http://img139.imageshack.us/img139/1203/devicei.png
I've seen this in a few apps, and i have expiremented with both PopupWindow, and AlertDialog and I was confused which this was.
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