Android :: Change State Of Any OverlayItem On Googlemap?
Feb 5, 2010
I am able to display multiple overlayItems on Googlemap, now I want to change icon of any specific overlayItem (to show it is currently selected event). I want to do it through navigation buttons (next, previous) as on Google maps.
I am using StateListDrawable to display icons for OverlayItems. code...
Now my question is how do I change the state of any overlayItem/Icon on map when user click on one of navigation keys?
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Jul 11, 2009
Am I right if I say that, there is no broadcast action currently for the SIM card state changes?
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Oct 12, 2010
I was looking at the way Android handles orientation change for my application (I discovered that it restarts the mainactivity on orientation change :| ). I've seen that you can ovveride the method protected void onSaveInstanceState(Bundle outState)to save stuff, then have the in onStart. The problem is that I've my view with custom objects and a listview using a custom adapter... Everything is in a ArrayList of these objects, but I've noticed that you can't put arbitrary objects in the bundle! So how do I save the state?
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Feb 19, 2009
I wanna write an app to enable and disable the Bluetooth device synchronized. Referring the Android source code, I registered following receiver to receive the bluetooth state change event:
CODE:............
But it doesn't work. Although the BT status has been changed (the icon of BT has been appeared or disappeared), the receiver could not receive nothing.
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May 6, 2010
I m currently working on landscape mode for android app in which i want to know how to maintain the state of the activity and views displayed on orientation change i.e from portrait mode to landscape mode ?
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Aug 1, 2010
I am using the Android SDK icon-button for refresh (ic_menu_refresh) in a widget and I need to change the selection state when it is pressed. How is this done? Do I define an XML for the button?
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Feb 17, 2010
I want to send an intent to my service everytime the state of Wifi connectivity changes. So when I currently use a broadcast receiver to listen for the state changes in Wifi, so when this recieves an intent I want to be able to send this info on to my service. Is this possible and if so the correct way to do it?
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Apr 9, 2009
I have a main activity class that launches a couple of my subordinate activities from a tabHost.
Periodically (actually when I receive an incoming message on a socket), I want to inform the subordinate activities that application state has changed so that they can refresh their views.
In Swing I could wire this together using something like a PropertyChangeListener. As far as I can see, the Android design philosophy requires creating an Intent and broadcasting to (as far as I can tell all) other activities that are running.
This strikes me as overkill considering that I'm only trying to notify my own views of a model change. Am I missing something?
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Oct 20, 2009
I have a custom View, what is the proper way of saving / restoring it's state after orientation change. I know I should implement onSaveStateInstatnce() and onRestoreInstanceState() methods, but how exactly (with which argumets) and when I should call them?
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Feb 10, 2014
change the charging state from usb charging to ac charger without using ac charger.I mean how to scam my tablet to think that is charged with ac charger when im charging with usb from pc.
HTC Flyer P510e
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May 17, 2010
I made an android application with googlemap api, and draw some 16x16 png (about 200 count) on overlay. When I move or zoom on/in mapview, "out of memory" error occurs very often.
I also used the googlemap appication in my htc itself. Seams that it uses about 14+MB memmory, and never happens "out of memory".
How to save memmory usage in a googlemap api, or how to enlarge android api memmory limit.
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Aug 11, 2010
I have a compound UI component built up from a ViewGroup containing a number of TextView, ImageView etc. components. Many of these have StateListDrawables as their images/backgrounds. Is there any way of making them select from this drawable based on the state of the parent ViewGroup rather than the component itself? Ideally I want to be able to change the visual state of all children of the ViewGroup (text colour, image etc) based on the state of the ViewGroup, preferably without having to hook up complex logical code. This seems like a fairly common sort of requirement, so I was hoping it would be straightforward in Android - am I going to be disappointed?
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Sep 22, 2010
I have a very simple app showing current Position using GPS-Provider in emulator. (Location is being picked up from emulator Control). If I send any updated location, the new location also getting picked (showing toast) and able to animate to new point. I'm working behind a firewall (proxy enabled). - App is showing the MapView but background is Grey with line-Grids (not real google maps visible) - Proxy is working fine. What can be the reason for actual maps not getting visible? Do we need to get access 'enabled' for any kind of URL (which might getting blocked by firewall)?
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Aug 3, 2009
I would like to how to use OverlayItem's fields (Title and snippet) 'cause they are never displayed on the map?
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Nov 17, 2009
Currently I used a map view and placed some overlay items in them
I overiden the onTap function in ItemizedOverlay so that when user tap on the markers icons on the map, some action will perform.
However, I don't know how to know which marker is being tapped so that the related data of the item will be displayed in the screen. How can I do that?
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Nov 18, 2010
Hi, i have a googlemap app that displays two items (itemizedoverlay class) and i have a Update button. When i press the update button, i want to remove the items from the map, and put again the same items but with the new latitude and longitude values (i have a service that actualice the latitude and longitude fields that i have in sharedPreferences, and also i recibe the other position by a bundle)
what i am doing wrong? when i try my code, the items of the map doesn't be removed.... just new items appear... but i want to remove the old ones
CODE:...........
And these are my two functions:
CODE:............
I also tryed with invalidate() on the mapview but it doesn't works... still paint the old items...
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Feb 8, 2009
I'm a little confused by what I'm seeing with regards to phone state transitions via the PhoneStateListener. When I receive a call, this is what happens: (call comes in) RINGING -> IDLE (I pick up) OFFHOOK (I hang up) IDLE It's that first transition from RINGING to IDLE without any interaction from me (not ending the call, not answering the call) that confuses me. Do I really have to implement an idle counter to know that an incoming call has really ended? Seems like the reported phone state represents some sort of phone state that isn't the obvious one.Is this a bug or am I just not in tune with the paradigm here?
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Oct 5, 2010
I have created one custom view that contains the horizontalscrollview. Now when i changes the orientation its scroll state change to 0 every time. I got the previous scroll state by using onSaveInstanceState(Bundle savedInstanceState) and onRestoreInstanceState(Bundle savedInstanceState) . in onRestoreInstanceState i am using following method to get reposition the scroll, hoz_scroll.scrollTo(hoz_x_pos, hoz_scroll.getScrollY());
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Jun 24, 2010
From everything that I've seen and have been reading, I'm apparently supposed to add all my OverlayItems in the constructor, then call Populate().The problem I have conceptually, is that if I'm pulling these items from a database (fed by a web site), then when exactly do I update the items?Also, it seems to me that it's a waste of resources to feed it all the items in advance instead of the ones pertaining to the current location... This seems to be the perfect case to use a ContentProvider, but I don't see anything indicating that one can be used with either ItemizedOverlay or anything else related to the Google Maps API.
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Jul 8, 2010
I want to be able to get some reference to the curent object being drawn. code...
Above is my draw method and I want to extend the draw method to write the title underneath each item for example. This would require the .getTitle() method from the OverlayItem. Possibly some tracking of objects outside of this method but not sure where to put it....
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Nov 17, 2010
I need that my user interface haves 3 sections
NORTH SECTION: four textviews with info about a user MIDDLE SECTION: a googlemap view with the position of the user SOUTH SECTION: a textview with time of last position, and a button to actualice the position (retrieving it from a database)
is this possible? i can't find any information about that on google or android developers guide...
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Jul 5, 2010
I have the following code and the markers are not appearing on the map at all! code...
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Apr 12, 2010
When a marker is clicked on google map, a small square area is displayed with hyperlinks. I guess OverlayItem does not render hyperlinks for its snippet. How to achieve this? Ideally I want to assign a layout with all sorts widgets. Presume I can display a small floating activity window when the marker is clicked, but is this the standard way doing this? The drawback of floating activity window is that if want to click another marker, user has to dismiss the current window first.
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Oct 27, 2010
I have a simple overlay for a Google Map: http://pastebin.com/Rg8miMSh and I add/remove items on it depending on the zoom level. After removing/adding I call populate on the overlay and invalidate on the map view. Everything works just fine, except 1 glitch: after an item was removed, if I tap its location onTap is still triggered and because the OverlayItem is not there anymore i get java.lang.ArrayIndexOutOfBoundsException in com.google.android.maps.ItemizedOverlay.maskHelper(ItemizedOverlay.java: 562) (full stack trace - http://pastebin.com/KThn4ZLE )
Anyone knows why this is happening or how to fix it? Initially i called clear and added all items all over again which didn't seems to cause this problem. However having many items this was becoming a performance issue. Adding/removing only the difference works much faster and I would like to keep this method.
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Oct 13, 2010
I have been looking this but haven't found a concrete example is there a way to click a specific point on a Map and then draw a overlayitem it?
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Nov 18, 2010
I actualice the positions of the items of mi googlemap but they only get repainted when i move or zoom the map...
I want that every time the possitions got updated then they get repainted on the map without having to move or zoom it with my finger
Invalidate is not the answer, because it makes a full repaint of all and needs to redownload the map from internet...
My code:..........................
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Jan 27, 2013
I am working on an app that uses a GoogleMap and lots of overlays/markers. Controls and navigation is handled automatically (no direct user interaction with the map needed so far).
Things work the way I want right until the app pauses and goes into the background. When I resume the app the map has zoomed out to 0:0 and it doesn't react to animateMap or anything anymore. I can't seem to figure how I get it back to the state where it doesn't react to user interaction and actually updates with my markers and stuff..
Below are the three methods handling the map, and it doesn't seem to react on any of it after a resume.
Code:
private void setupMap(){
getSupportFragmentManager().beginTransaction().replace(R.id.trackeractivity_map, new SupportMapFragment()).commit();[code]......
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Mar 20, 2010
I currently have implemented an overlayitem that shows an icon for geopoint on a map application in Android. When the icon is clicked, it brings up an AlertDialog from the onTap method below.Does anyone know how to display a map message bubble directly above the icon overlayitem with 2 callout buttons one to the left of the title and one to the right of the bubble? Does anyone know how to make the overlayitem draggable so I can press and hold it and drag it across the map. I am trying to duplicate the draggable icon behavior that's available on the iPhone.
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Jan 27, 2013
I am working on an app that uses a GoogleMap and lots of overlays/markers. Controls and navigation is handled automatically (no direct user interaction with the map needed so far).
Things work the way I want right until the app pauses and goes into the background. When I resume the app the map has zoomed out to 0:0 and it doesn't react to animateMap or anything anymore. I can't seem to figure how I get it back to the state where it doesn't react to user interaction and actually updates with my markers and stuff..
Below are the three methods handling the map, and it doesn't seem to react on any of it after a resume.
Code:
private void setupMap(){
getSupportFragmentManager().beginTransaction().replace(R.id.trackeractivity_map, new SupportMapFragment()).commit();
FragmentManager fragmentManager = getSupportFragmentManager();
SupportMapFragment supportMapFragment = (SupportMapFragment) fragmentManager.findFragmentById(R.id.trackeractivity_map);
[Code] .....
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Dec 29, 2009
I would like to further annotate the custom markers I have placed on a MapView (using ItemizedOverlay) by displaying a simple text label that appears for a particular item when the onTap event is fired.
This is a trivial exercise in the Google Maps JavaScript API and in MapKit on iPhone, but it is not obvious to me what the best or easiest way to do this is on Android.
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