Android :: Google Maps - MapView - Draw A Nice Flight Route Between 2 Points

Aug 1, 2010

I wonder, how can I draw a nice flight route between 2 points on a google map's MapView? look at this: http://maps.forum.nu/gm_flight_path.html

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Android :: How To Draw A Nice Flight Route Between 2 Points?

Aug 1, 2010

How can I draw a nice flight route between 2 points on a google map's
MapView?

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Android :: Draw Path On MapView From Large Amount Of Longitude/latitude Points

Aug 2, 2010

I am writing a application that needs to draw a "route" comprised of lots of GPS points (long+lat). The points are close together and don't follow roads, simply drawing a line between each point is ideal.

The current implementation I have is very slow as I am looping over all the GPS coordinates and creating a new Point and overlayitem in an itemized overlay. This takes around 20 seconds for it to load all of these points and draw them to the mapview. Is there a way in which I can construct a series of lines or point from the GPS coordinates and draw them onto the mapview?

Example of current implementation:

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

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Android :: Draw Route On Google Map?

Jun 22, 2010

I'm new to Android. and I parse a XML file from the following URL http://maps.google.com.tw/maps/api/directions/xml?origin=41.77732,-87. and I want to draw a route on Map, I found the information can help me to do this <polyline> <points>se~}FjtxuOKdEJ|JIpA</points> <levels>B??B</levels> </polyline> but how to use? help me, there are so many useless information when I search "Android polyline example" anyone can give me some short examples?

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Android :: How To Get FAA Flight Data To Display On Google Maps?

May 7, 2010

Does anyone know how to grab FAA flight data to be displayed on google maps? I'm trying to create an android app but I can't seem to find where to get those feeds? There are so many flight tracker apps out there so there must be some available API right?

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Android :: Draw Route Path Draw Function

Sep 5, 2010

In my android application I use this method in "draw" Overlay class for draw route on map. Can someone tell me if this method is good (in terms of performance) for route draw on map or I must to put code in Thread ??
I'm new to android.

public synchronized void draw(Canvas canvas, MapView mapView, boolean shadow) {
if (pointsAndTimes.isEmpty()) {
return;
}
Projection projection = mapView.getProjection();
Paint paint = new Paint();
paint.setARGB(250, 255, 0, 0);.............

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Android :: Any Way To Display Points Of Interest In Google Maps?

Sep 3, 2010

Is there a way to display points of interest like gas stations, hospitals etc., using google maps?

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HTC Droid Eris :: Alternate Route In Google Maps

Feb 26, 2010

Looking through the searches I can't seem to find anyone who has asked this question before and maybe this is being addressed with the 2.1 update. When I'm in the Google Maps application and I've entered my start and end point the route it give me is on a toll road or a highway I know to be very slow because of traffic. I know that when I'm using my computer for directions I can drag the line to add a via point / alternate route. Is there a way to do this in the current Google Maps on the HTC Droid Eris?

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HTC Droid Eris :: Google Maps On 2.1 (Alternate Route)

Mar 8, 2010

I was playing with Google Maps after the 2.1 update and on one occasion for a trip a screen came up that listed (3) different routes with the total miles and time for each route. One was for I295, one for I95, and one was for US202. Since then I can't seem to replicate that screen. Any answers? Suggestions? UPDATE: Found the answer. After selecting Navigate for a route, click Menu and a screen will come up with (3) symbols on the bottom. Left most one is the Symbol for Navigate, the symbol with a couple of arrows is the one to PRESS. This will give alternate route info that you can select. UPDATE AGAIN When I tried again, the option I mentioned above was grayed out and no longer works. I'm not sure what is going on.

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Android : How To Store A Route / Track Using Google Maps On G1?

Jan 9, 2009

Is there anyway to store a route or track using the google maps on the g1. I have a garmin that when on automatically stores your route and it can be saved and uploaded to the computer. It seems logical that this would be available on the g1, as it has all the capabilities already available, ie gps and maps. I can't find any mention of it or a way of doing this with existing software. It seems this would make for a very powerful tool if enabled. What about being able to sync routes and tracks with google earth? I have seen the new application "my maps editor" , but it only enables you to manually place lines or shapes.

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Motorola Droid :: Overlay A Route In Google Maps?

Feb 5, 2010

I am looking for a way to overlay a route in google maps.

What I want is to take this map Greenways Oak Ridge Google map and get it to my google My Maps. Then I can pull it up in Maps and use my location to see where I am in relation to where I need to be in case I want to take a different route to need to shorted the ride due to darkness.

Most rides I do I can find these maps but cant do anything with them.

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Android :: Application (or Google Maps Instructions) For Marking Route

Jul 11, 2010

Been searching for the life of me for an app (or some way in Google Maps) to go to a spot on the map and draw a line down the street along a certain route and store the run to My Maps. Am I missing something?

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Android :: Loading Route Directions In Google Maps From PC To Phone

Aug 7, 2010

Is it possible to move routes/directions from Google maps on your PC web browser to maps and navigation on your phone?

I have worked out how to export kml files from Google Maps on the PC.

It would have been nice to be able to save routes in My Maps (maybe you can, but I don't see how).

Also, is it possible to build a route with multiple destinations in Google Maps/Navigation on the phone?

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HTC Desire :: Google Maps Navigation Taking Long Time To Calculate Route?

Aug 16, 2010

Before I updated to android 2.2 and updated to latest Googlemaps the navigation was perfect. It calculated the route in seconds and was a joy to use. Since the updates, it is taking ages to calculate route, so long in fact that I exit the programme and start again, and then I just give up and dig out my atlas.

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Android :: Displaying Route Between Two Points On Map

Dec 6, 2009

I'm trying to develop an application which display the locations of contacts on a map (a Msn-like but for geo-localisation). I search to display a route between my own location and a contact location I want to join but I find yet no solution to do this. In the Android API and Maps add-on API I just find classes to display and listen Location, Distance, GeoPoint, etc., but no possibility to display a route between two points. Is it possible or not provided by the API?

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Android :: Display Route Between Two Points In Installed Application?

Sep 8, 2010

How to showActivity which will display route between two points.

This will start installed map application on android phone.

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Android :: Display Route Information Between Two Points Inndoird?

Feb 3, 2010

I can able to show the route between two geo points in android using google map.Now i want to know how to guide the user like turn right ,take left like wise should display message. How can we achieve this?

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Android :: Google Maps & Apps With Mapview Have Different Current Positions

Jul 20, 2010

I have a mapview where I want to track the user's current location. GPS as well as 'use wireless networks' is activated in my phone settings.

Nevertheless, since I'm indoor I don't get a GPS fix, therefore the location is determined via network; wifi spot is available.

I have the Google Maps app running as well as my application running.

Strangely, the current location differes between Google Maps and my application, where the Google Maps is very accurate while in my app the location is somehow off a few 100 meters.

In my application I basically do the following (for debugging purposes now):

1) initially place one marker on the map: geopoint retrieved via locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);

2) initially place another marker on the map: geopoint retrieved via locationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);

This will put the last known locations of both providers onto the map (eventually last known from outside my app).

3) then for the regular updates (since I don't get a GPS fix anyway indoor here), I do:

locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0, baseLocationListener);

You can see for the frequency and distance I pass the 0 param in both cases.

In the app manifest, the following permissions are granted:

android.permission.ACCESS_COARSE_LOCATION
android.permission.ACCESS_FINE_LOCATION
android.permission.ACCESS_MOCK_LOCATION

Actually my baseLocationListener does get called, which I see in the log, but the updated location is somehow the same as the last known current position (of LocationManager.NETWORK_PROVIDER), same lat/lng.

I thought maybe I overlooked something or missed a parameter or setting, or my code has a bug. Therefore I installed some other (3 in total) LBS apps from the Android market that also show the current user's location. The current locations displayed in those apps are equals to the one in my application - and they're all some 100 meters off - but at least all the same.

See the screenshot here:

http://img33.imageshack.us/img33/8679/mapproblem.png

Now I am wondering:

1) as I understand, getLastKnowLocation is system-wide and not app-wide, why are there differences between the location in Google maps and all the other apps?

2) does Google Maps not update the lastKnownLocation of a provider?

3) does Google Maps use a different custom location provider (i.e. due to licensing reasons) other than GPS_PROVIDER or NETWORK_PROVIDER as they are in the SDK?

4) how do achieve the same accurate result with the NETWORK_PROVIDER like Google Maps does?

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Android :: Google Maps & Apps With Mapview Have Different Current Positions Options

Jul 20, 2010

It seems that the problem is in the data quality of the different map provider that are used for Google Maps and MapView in SDK, which differ.

The map tiles coordinates don't seem to be very accurate, just like in the public google maps web api / tiles.

See this screenshot for an example, where I pinned the same geo point. http://img339.imageshack.us/i/gmaps2.png/

The map using the public map api is off a few hundred meters. Seems that we just have to live with it.

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

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Android :: Lines And Drawables Draw Order In Google Maps

Nov 11, 2010

I'm writing an app that shows in google maps pipes and valves(lines and points). For that i've two classes.

One extends from ItemizedOverlay, and i add to map overlay one for each category of valve, and each one can have more than one item.

The second extends from Overlay, and in the draw method y draw the line with the method drawline of the canvas.

The problem i've is that the lines are drawn over the ItemizedOverlay items, no matter the order i add them to the mapView.getOverlays().

I want the lines on the bottom of all overlays. is there a way to do that.

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Android :: Google Maps Custom Route With Turn By Turn Directions?

Sep 18, 2010

Frustrating - but apparently the capability is I can customize a route online with Google Maps, save it to my maps and send it to the phone but it sends the static map.Ridiculously, all this power and I can't take those directions from the PC and turn them into turn by turn directions on the phone.

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Android :: Draw Path Between Two Points On Map?

Oct 7, 2009

Do anybody know how to draw path between two points on Map?

I need to draw a line, from one point to other...

I found one link (http://csie-tw.blogspot.com/2009/06/android-driving- direction-route-path.html) about this, but itīs not works well.

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Android :: How To Draw A Curve Connecting Three Points?

Sep 28, 2010

I would like to draw a curve(an arc) connecting three points in my screen PointA = (480,46) PointB = (160,137) PointC = (0,228) How to draw the curve using Android APIs ?

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Android :: Draw A Route Between Two Geopoints On Droid?

Jan 24, 2010

I have two OverlayItem's on a MapView. How can I draw a route between the two geopoints?

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Android :: Fastest Way To Draw A Lot Of Points In OpenGL ES?

Dec 26, 2009

I'm making a game for android where I need to draw a lot of points that change position every frame. I use the ndk to get faster processing performance of the math/physics section of the game, so I need to use OpenGL to get the fastest performance. Right now, I make a texture every frame out of an array that holds the colors of every pixel. I am only able to get ~10 frames per second with this method. Is there anyway I could speed this up? ...

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Android : Draw A Perfect Curve Connecting Three Points?

Sep 28, 2010

I would like to draw a curve connecting three points in my screen
PointA = (480,46)
PointB = (160,137)
PointC = (0,228)

How to draw the curve using Android APIs?

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Draw Route Using Current Location From Device On Map Using GPS Provider

Sep 11, 2012

I'm working on a project to display a route in a MapView based on current location from GPS Provider. I'm able to draw the path between two points but the problem starts when the location changes to a new point causing the draw path to erase. Basically my Location Listener saves the current Geopoint and sets the new Geopoint location and after that it starts the overlay to draw a path based on those two points. I think an option could be saving the coordinates to a database and then pulling the information from there to draw the path.

private class MyLocationListener implements LocationListener {
public void onLocationChanged(Location location) {
Toast.makeText(getBaseContext(), "Tracking device..",
Toast.LENGTH_SHORT).show();
[code]....

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Android :: Error When Write Code Import Com.google.android.maps.MapView

Mar 29, 2010

i am new to android development. I got an error when write the code "import com.google.android.maps.MapView; in eclipse. The error is "The import com.google can not be resolved."

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Android :: Unable To Import Com.google.android.maps.MapView?

Nov 13, 2010

import android.app.Activity;
import android.os.Bundle;
import android.widget.LinearLayout;
import android.view.ViewGroup;
import android.widget.*;
import com.google.android.maps.MapView;

public class MapView extends MapActivity{
/** Called when the activity is first created. */
LinearLayout linearLayout;
MapView mapView;

public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.map);
mapView = (MapView) findViewById(R.id.mapview);
mapView.setBuiltInZoomControls(true);
MapController mapController = mapView.getController();
}
}

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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 :: 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 :: Draw Text With Border On MapView?

Nov 12, 2009

I'm trying to draw some text onto an MapView on Android. The drawing of the text goes fine, but it's very hard to read the text because it's white with no black border (like the rest of the text that appears naturally on MapViews to denote cities, states, and countries). I can't seem to figure how to draw the text with a black border. This is the sort of code I'm using right now (this is just example code, found in one of my overlays):

@Override
public void draw(Canvas canvas, MapView mapView, boolean shadow) {
Paint textPaint = new Paint();
textPaint.setARGB(255, 255, 255, 255);
textPaint.setTextAlign(Paint.Align.CENTER);
textPaint.setTextSize(16);
textPaint.setTypeface(Typeface.DEFAULT_BOLD);
canvas.drawText("Some Text", 100, 100, textPaint);
super.draw(canvas, mapView, shadow);}

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Android :: Problem Draw On A MapView ItemizedOverlay

Aug 27, 2010

I am developing an application for the Parisian Metro. One of the functions is a map where you can click the metro stations and see what are the metro lines, and when are the next 4 trains on this station.

I have hence created a MapActivity and an ItemizedOverlay classes.

On my device it is working perfectly, but I am getting some logs from the users with a crash, and I really don't understand what's wrong.

My map activity adds ONE ItemizedOverlay that displays a blue dot for the current user location. This overlay also listens to onTap, which depending on the coordinates of the tap, will try to find metro stations (for which I know the lat/lon coordinates). This is working perfectly.

The stack trace of the crash is:

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

Sometimes it comes from different lines but it always finishes crashing at OverlayBunde.java:42

As is does not mention my code, I don't know what's wrong.

You can get the source code of the MapActivity and the the ItemizedOverlay: http://code.google.com/p/metroparis/source/browse/trunk/src/org/bicou/metro/

The activity class is ACarteStations and the overlay class is StationMetroMapOverlay.

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Android :: Draw ImageView At Specific GeoPoint On MapView

Oct 1, 2010

Trying to solve my current problem of drawing an image on an Android MapView and then animate it to represent a moving object, I decided to try to just draw a raw ImageView at a GeoPoint on the map and then try and animate it from there.

This is the code I put in my map activity (extends MapActivity)'s onCreate method:

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

Again, I'm just trying to draw the static icon and animate it from there. I can already do this with an ItemizedOverlay, but as far as I can tell, I can't animate the elements of an AnimatedOverlay the way that I can animate a view. Thus, using ImageView.

But the icon doesn't show up.

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How To Plot A Route On Maps API

May 29, 2013

I'm planning my first big project and I'm wondering if there is an API function or plugin somewhere that would allow users to plot a route on a map without using addresses.

I mean them choosing a route on specific roads or portions of roads, like dragging points in Google Maps, or tracing a few roads on the map and creating a route.

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Android :: Draw MapView - Rectangles That Automatically Re-size When User Zooms In And Out

Aug 26, 2010

My Android application has a MapView. I want to divide that MapView into a grid according to latitude and longitude, and shade the different cells of that grid different colors based upon a certain criteria. What's the simplest way to do this?

I could create semi-transparent, solid-color PNG Drawable rectangular images and put them in an ItemizedOverlay centered on the central points of the cells, but then the rectangles would grow and shrink as the user zoomed in and out on the map. I could extend MapView and override the zoom functions so that the rectangles got re-sized when the user zoomed, but that seems really complicated for something that should be simple! Please tell me a better way to do it?

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Android : App For Searching Only Along A Route In Maps?

Jun 10, 2010

A co-worker has an iphone app that allows him to draw a line and it only shows the results for his search within a specified distance of the drawn line as opposed to in a radius from where you are as is default in google. Thus not giving you results that are behind you and don't really help. He said it is called Y! Sketch. I couldn't find that specific app in the Android market. Is this because I'm a search noob and just missed it? If that specific app is not made for Android, is there another similar app?

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Android :: Using Local Files - Overlay Route Data In KML Files On MapView?

Jun 11, 2010

I am trying to overlay route data in KML files on a MapView.

The following code works great:

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

The only problem I have with this is that I don't need to re download these KML files every time. I have about 10-15 KML files that will rarely change. Also since it has to connect, download, and parse these each time there is a delay in opening the maps.

It would make a lot more since for me to save these as a local resource and have the URI reference it there. Is there a way to construct a URI using the geo: scheme and have it point towards a local resource?

It looks like file:///sdcard support was included in 2.1. The only reference I could find to it was at the end of this bug report thread. I am currently at work and don't have time to play with this yet but I would like to figure it out later. I feel like there are a lot of people on stackoverflow and elsewhere who would really appreciate a reasonable way to do this.

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Android :: Route Finding Between Two Designation On Maps In Droid?

Apr 1, 2010

i want to just find a shortest path between the location on map. we have to pass the location's geopoint then click the button to get direction. it will show the shortest path like a blue line. how to do this? i search about this. many of them import a package com.google.googlenav.*;. where i have to get this? Any Idea?

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Android :: Possible To Show My Maps In MapView?

Aug 31, 2010

The Google map is too older for me, so I create my map in Google map and add some lines and marks. Is there a way to show my maps in MapView?

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Android :: FindViewById Returns Null MapView When Following Maps Tutorial

Jun 4, 2009

I'm following this tutorial here: http://developer.android.com/guide/tutorials/views/hello-mapview.html

and am on point 11

Here's the res/layout/main.xml:

CODE:........

Here's the code:

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

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Android :: MapView Has Bad Resolution Comparing To Generic Maps / Solution To This?

Sep 7, 2010

I just received a HTC Desire to test on. I noticed, that a mapView residuing in a frame smaller than a whole screen is not as sharp as a generic maps application. Is there any solution to this?

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Android :: Google Navigation Route

Sep 24, 2010

I made the switch to Google Navigation after using Sprint's Navigation application for a few years on my previous BlackBerry and love it! It's my primary GPS application. So, here's my query. While I was tinkering with it today, I noticed the option to choose an alternate route. We are going to be driving to LA a little later this evening and the default route Google Navigation chose was longer in both time and distance compared to one of the alternate routes (total of three routes). The default route gave said it is 332 miles and 6hr/9min. When I pulled up alternate routes, the second option was 325 miles and 5hr/49min. The third route was over 7 hours long. Do you guys know what methodology Google Navigation uses to pick the default route? Why the longer route?

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Android :: Display Route On Google Map?

Sep 8, 2010

How to display route on Google map in Android in between two lat long value? Does android supports it and are there any api available as there are for displaying map?

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Android :: Display Route Between Two Geocoords In Google Map?

Apr 15, 2010

I'm just writing an App for displaying the route between two coords (lat, long) in google maps view. Displaying an single coord (even with a marker) works fine, but how to do this with 2 ones and the route between them? I must admit that I'm quite new to Android and the maps-API.

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