Android : Save / Activity With MapView And After Reload Same Mapview?

Jul 16, 2010

I had found a lot of stackoverflow post about save an Activity and the reload it.

My question: How can I have an Activity with an MapView and after reload the same mapview?

What is the best way to switch between activity and views?

Android : Save / Activity with MapView and after reload same mapview?


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Android :: Save And Restore A MapView In Droid?

Feb 1, 2010

I have a MapActivity that contains a MapView with some custom controls, state information, and an ItemizedOverlay composed by some locations that I draw using the default approach (using populate(), super.draw() and createItem()) and by some lines that I draw in the overrided draw() method.

So, when the activity is paused, I have to save:

Some state information
The ItemizedOverlay
[Maybe more Overlays in the future.]

I'm saving the state information as usual, putting them in the bundle. I'm thinking in doing the same with the Overlays, implementing Parcelablein each one of the OverlayItems and so, but I don't know if there is a better way to store the complete state of the MapViews.

The information depends on remote requests that I don't want to repeat each time the activity is paused. Any recommendation?

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Android :: Make 2 MapView On One Activity?

Jan 7, 2010

Is it possible to make 2 MapView on one Activity ?

If so, How to make it ?

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Android :: Way To Refresh Of MapView In An Activity Group?

Mar 24, 2009

I have created map view using XML layout in MapActivity and want to use this map view in another Activity group. I got mapview object in Acitivity group using GetWindow.Decorview(), MAP view is also displayed in the same layout of Activity Group. But without any image, only white background with some grid. Map view is not getting refreshed when i scroll on Map view. But if i launch independently MapActivity , i am able to see the map and it is getting refreshed when i scroll on the map. May I know how can i use and refresh Map view in an activity group? As Mapview can only be created/inflated in MapActivity.

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Android :: Possible Mapview And List Exist In Same Activity?

Jul 24, 2009

For now i have a list, using extends listactivity, and now i want to add mapview on the same activity using framelayout probably,

but if i want to use the mapview, the activity must extends mapactivity,

one must extends mapactivity,the other must extends list activity,

if it possible to do that?

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Android :: Open An Intent - MapView - From Main Activity With Menu

Jan 13, 2010

I'm trying from main Activity (MainFile.java) to open a Map as a new intent through a menu. Something like this...

CODE:..............

And I already have set up thing on my manifest.xml with access to...

CODE:........

It worked fine with other File.class, but with the Map.class doesn't seem to be working.

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Android :: Speed Up Launch Of Activity Containing Mapview And Extends MapviewActivity?

Nov 12, 2010

I have an app which contains an activity which is a MapviewActivity and is mostly a mapview.
However I have noticed that the start up time of the activity is really slow and causes a lag from the moment the button is pressed to go in to the map activity. I feel this creates a bad user experience and would like to avoid this.
I have already set the background of the map activity to @null as suggested by one of the UI improvement articles on googles developer page. Which I fell does not do the trick.

Is there a way to improve this? I would not like the main home screen to get stuck on the launch of the activity, even a transfer to the map activity and then loading the mapview would be better.

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Android : How To Use MapView

Apr 16, 2009

I followed the steps in document to display MapView. But blank grid is displayed instead of google map. My code...

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Android : MapView In SDK 1.5

May 3, 2009

I've just downloaded the Cupcake SDK. I'm afraid I can't find MapView anymore...

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Android :: MapView Overlays

Sep 28, 2009

My problem is my MapView becoming very laggy and so non-responsive at times, that Android thinks its hit deadlock and tries to close it.

I am adding 60 overlays to the map view and i originally thought that the icon size may be causing the problem by using up all the memory. When i decreased the overlay icon size, it did improve things, though it is still to slow to be usable. Has anyone experienced anything similar and have a workaround? There may be a better way of doing it other then extending the Hello MapView example.

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Android :: Get MapView API In Droid?

Feb 17, 2010

How to get MapView API in android?

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Android :: Add Overlay To MapView?

Sep 28, 2010

I have subclassed Overlay as LandMarkOverlay (and implemented an onTap(GeoPoint) method).

In the main activity I do this:

setContentView(R.layout.main);

MapView mapView = (MapView) findViewById(R.id.mapview);
mapView.setBuiltInZoomControls(true);
landmarkOverlay = new LandmarkOverlay();

//add the landmarkOverlay to the list
mapView.getOverlays().add(landmarkOverlay);

What else do I need to do so that when the user taps the screen, landmarkOverlay's onTap(GeoPoint) method gets called?

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Android :: MapActivity - MapView?

Aug 25, 2010

I have a DROID using Android 2.2

I am attempting to get the simplest MapActivity to run on the device. (NetBeans latest and greatest using a Google Api build target.)

I have all the appropriate Manifest entries, the simplest OnCreate --- > all it does is setContextView() to the xml with a mapview in it.

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Android : Put Mapview In Tabhost?

Jul 24, 2010

I recently want to put mapview in tabhost but now is the question i can't figure out how to do this right!

here's my source code...

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Android :: Does OnTouchEvent Has To Extends From MapView?

Jan 26, 2010

I want to catch any onTouchEvent() on the mapview. After search lots of questions&answers, I found only when I write my own MapView(MyMapView)and define onTouchEvent, then use this MyMapView in main activity.

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Android :: Direction Information In MapView

Aug 16, 2010

I want to show the direction information in my app.Direction from one address to the another using Google maps and also wanted to set overlays at the starting address and the destination address.Is there any classes in android too do that.

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Android :: How To Draw 3D Objects On A MapView?

Oct 20, 2009

I have been able to draw a map using 'MapActivity' class. Am unable to render 3D graphics on the Map. Is there any way to draw something on the foreground with the Map as the background?

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Android :: How To Attach Custom Map On MapView?

Jul 9, 2010

I am trying to place my custom map (overlay) over Google map. For example, my MapView will be positioned to look at some building. I want to load custom image(s) that will show building's floor plan. Want to be able to pan and zoom, and place markers (for example, Room 1, Room 2, etc...), in other words, I would like to be able to use Google Map API methods. The best would be if Google map images are not loaded at all, since that will (I believe) slow down user's experience. Also, the user may be inside the building, and connection may be slow or non-existing.

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Android :: Is Runtime Mapview Defining Possible?

Jun 26, 2010

I've been trying to use a mapView in my app, and have been following the tutorial; http://developer.android.com/resources/tutorials/views/hello-mapview. Code...

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Android :: MapView Draw Overlays

Feb 14, 2010

i have a problem with my mapView. my app reads "some" gps points out of a file and i want to draw a route (drawing lines between the gps point). If my file contains many gps points, my app works really slow. i think its working slow, because i draw all overlays. now i want to check, whether a point is visible in my mapView or not. so i have to get the mapCenter and Lat/lon span (getLatitudeSpan,..) !? how and where must i save my points and how can i check all my points (after my mapCenter has changed for example). Shall I save my points in a list (in my Overlay class??) and iterate through every list item and check, wheter its visible or not?

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Android :: Dynamic Pin Overlays In MapView

Oct 29, 2009

I've been reading the (shoddy) documentation for the Google Maps API (MapActivity et al), and I think I have roughly worked out how it works. It seems that if you want to add a marker overlay you can use ItemizedOverlay easily, but you have to add all your markers at once. There doesn't seem to be any way to remove them.

What I want to do is query markers from an online database as the user pans around (in the same way the actual map tiles are fetched). Is there a simple way to do this?

As far as I can tell I need to subclass Overlay and implement the draw method, but where is the best place to put the code that fetches new markers when the map is panned? There doesn't seem to be an onMapChanged() method anywhere. My best guess is MapController.onKey() but that seems wrong.

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Android :: MapView Overlays With Multitouch

Feb 17, 2010

I'm seeing a bug with overlays on MapView with the Nexus One. Pinch and zoom multitouch gestures don't scale my overlays until the user releases the gesture, at which point the overlay redraws itself. In contrast, the My Location overlay in Google Maps WILL scale during the gesture. Is there a way to fix this in my app, or is this a MapView bug?

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Android :: Overlays On A Mapview Not Shown

Mar 1, 2010

I followed the instructions from the google hellomapview tutorial. I get a working mapview etc. But the two items that are added to the map are not shown. It seems they are there somewhere because tapping at the specified location shows the message that was added to the items.

Here is my source code. It should be very close to the google tutorial source code.

CODE:.............

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Android :: Drawing Circle In MapView

Oct 29, 2010

Trying to draw a circle at a longitude/latitude position. The circle below doesn't show up, does anybody know why?

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Android :: How To Overlay GLSurfaceView Over A MapView?

May 13, 2010

I want to create a simple Map based application in android ,where i can display my current position.Instead of overlaying a simple Image on the MapView to represent the position, i want to overlay the GLSurfaceView on the MapView. But i don't know how to achieve this. Is there any way to do that?. Please anybody knows the solution help me.

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Android :: Way To Use A MapView Without Having To Extend MapActivity?

Jul 27, 2010

Currently in my design I've got a base abstract class that all of my activities extend from, however I discovered recently that in order to use a MapView you need to make your activity extend MapActivity. Since Java does not have multiple inheritance I was wondering if there is any way I can use a MapView without having to recreate my design for my application.

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Android :: Force A MapView To Redraw?

Mar 10, 2010

I've found that after changing the overlays on a MapView, the changes aren't seen until the user moves the Map, causing a redraw. Is there a way to force this redraw?

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Android :: MapView Animated Overlays?

Oct 1, 2010

The Android the MapView Overlay class mentions two draw methods. One regular, and one for animated overlays.

I have tried to find more information on how to animate overlays and use this second method, but it all keeps coming back to the same forum postings. Can anyone explain how you specify to the MapView that a certain Overlay should be animated? How do you specify the manner in which it animates?

If it's relevant, I'm currently trying to draw pins in the map that update in realtime with streaming GPS locations for objects. I get new data every two seconds and need to tween the locations by having the pins move in a simple straight line between coordinates.

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Android :: Get The Longtitude And Latitude From The Mapview?

Dec 14, 2009

I have a problem about get the longtitude and latitude from the mapview, now I want to get the longtitude/lattitude when user click/touch on the mapview, actually says that program can knows the information when user click on the mapview, is it possiable?

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Android :: MapView Does Not Work In HTC Hero

May 1, 2010

I have a MapView (in MapActivity), and it works in my simulator.

The google map and the overlay I made are showed in simulator screen

After installing in HTC Hero, the overlay is showed in phone screen, but google map is not showed in phone screen.

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