Android :: Coordinates Provided By Geo Fix Command To Emulator Are Different In Location Listener
Aug 3, 2010
I use Android emulator to test my location based application. The cordinates are provided by geo fix command (for example: geo fix 2.31278 48.9533 10). But when the new location event is fired, the cordinates are not the same as those in the command: I got latitude = 48.95800053333334, longitude = 2.3033544999999997 (I use Location.getLatitude() and Location.getLongitude() methods). Does anyone have an idea of my trouble ?
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Jan 2, 2010
I recently posted this question on stackoverflow (http://tinyurl.com/ yzrofne), but maybe someone here can help me. I am using the location manager's requestLocationUpdates() method to receive an intent to my broadcast receiver periodically. The system is correctly firing the intent to my broadcast receiver, and I have been able to use it correctly. The only problem is that the GPS location provider only stays active for a few seconds after the initial location acquisition, and I need it to stay on a little longer so that the location estimates are more accurate. For example, if I tell the location manager that I want an update every 5 minutes, it correctly fires the intent with location information from the GPS. However, the GPS only stays active for about 5 seconds, so it doesn't give much time for the location to reach a high accuracy (say, less than 10-20 meters). My question is how to make the GPS location provider stay active for each periodic request that comes from the LocationManager requestLocationUpdates. Does anyone know how to do this?
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Mar 22, 2009
I am developing a game in android and i want to capture screen coordinates of a view(ImageView) which is embedded in frame.
Hierarchy is <LinearLayout android android:layout_height="fill_parent" android:layout_width="fill_parent" > <RelativeLayout android:layout_height=fill_parent" android:layout_width="fill_parent" > <FrameLayout android:layout_height="wrap_content" android:layout_width="wrap_content" android:id="@+id/frame14"></ FrameLayout> </RelativeLayout> </LinearLayout>
At run time i am attaching two image views for frame layout.I wanted to capture screen coordinates of frame layout.But Couldnt do it.if i say
(FrameLayout) f=(FrameLayout)findViewById(R.id.frame14); int[] loc = new int[2]; f.getLocationOnScreen(loc); System.out.println(loc[0]); System.out.println(loc[1]);
I get Null Pointer Exception for getLocationOnScreen() method.
If I try to get f.getLeft() and f.getRight() they return as 0 coordinates.
Can anyone please tell me how to find location on screen of a view.
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Sep 3, 2009
In my application I have a list of +400 GPS coordinates which I retrieve from addresses. The application should give me the top X nearest coordinates based on my current location.
This application is possible (I think) with the distanceBetween function. But (I think) the application is really inefficient when i iterate through the list of 400 coordinates and check the distance within a certain time interval. Another option is (I think) the proximityAlert function? All coordinates are loaded in this function and when my current location comes in the radius of a coordinate an alert is given. But the downside of this solution (I think) is the high memory usage which implies a short battery life of the Android phone?
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Nov 26, 2009
I am working on a Widget which will get the Current GPS location and pass this value to remote PHP page to get the Information and display it in the Widget. This is what I am trying to do.I am facing problem while implementing Location Listener for appWidget. It is not updating with the Current Location and It is showing the initial widget i.e "Loading Widget"(Here I put this text)
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Jan 2, 2010
I am using the location manager's requestLocationUpdates() method to receive an intent to my broadcast receiver periodically. The system is correctly firing the intent to my receiver, and I have been able to use it correctly. The only problem is that the GPS location provider only stays active for a few seconds after the initial location acquisition, and I need it to stay on a little longer so that the location estimates are more accurate.My question is how to make the GPS location provider stay active for each periodic request that comes from the LocationManager requestLocationUpdates. Does anyone know how to do this?
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Apr 16, 2010
I am working on an Location Based Application. In this application i am using LocationListener class to update the location when the Location is changed.In each Activity i have different LocationListener to update location and do some specific work on updated location. But my problem is that when i am changing my location through DDMS , the LocationListener is being called of that current Activity as well as all the activities of the whole application where LocationListener has been defined. I don't know whether there should be one LocationListener for the whole application or for each Activity we should have different LocationListener.
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Mar 5, 2010
On my system, i am using eclipse ganymede version along the Android SDK and ADT plugin installed. I have created an android AVD (target android 1.5) with 512MB of memory. Its quite frustrating to see the slow boot up of it. It takes around 4-5 mins to complete its boot-up. Is there any way or tweak to speed up this boot up process.
PC config:
P4 2.4 Ghz with 1 GB ram.
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Sep 25, 2010
I have an application that has a tabActivity and 3 tabs. all off the tabs use a location listener and work with locations. i implement onPause and onResume for every tab to remove and start listening for location accordingly. is this the right way to go? i had another idea to work with and that was implementing a location listener to the tabActivity and doing broadcasts to the child tabs with the location, but it seemed more complicated.
The problem with my current solution is that whenever i switch tab i lose the location i got in the previous and i cant use getlastknown location because i dont want the last location on start of the application.(does this make sense?) what can i do to solve this problem. a thing that will work better will be to have one variable that will hold the last location from the onLocationChanged and i can observe its changes and call methods onChange.
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Mar 8, 2012
I have a quick development question. I have an application that displays an image. You can pinch zoom/move the image around easy enough. What I'm wondering is how would I go about mapping the location of the users touch to the coordinates on the image itself, and not the screen?
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Jun 30, 2010
I've been trying to write a little application that recognizes custom events in Android: you hold your finger over a TextView for a certain length of time, and it changes color.I'm using the MotionEvent coordinates and checking if they are within the bounds of a particular TextView, which is within a table.I am just attaching the onTouch listener to the table within the activity.But I get weird errors: the coordinates seem to be off by one view (i.e. if I touch the view below the view above reacts); or sometimes one will react, and the other will not. Any idea what might be going on?
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Mar 17, 2009
Is there a command to find out the pid of all process running on the emulator? If yes, can you please tell me how can I do that?
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Aug 5, 2010
i'm created an application where it consists of 3d rotating cube I want to move the cube with respect to the drag on the screen.In the on touch Listener I'm able to get the x,y coordinates but i don Know how to make those coordinates to map to 3d space.
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Jul 15, 2010
I have a problem my emulator when i click on start button to run the AVD tehre is a command window that opens up and then there is nothing, the emulator window doesn't show up. I have extracted the sdk folder several time. deleted teh .android folder everytime . Can somebody tell me what is teh problem or what else can i do. Since its not running from sdk Setup.exe, in eclipse to i cant run it. Itsay launching the emulator but then there is nothing. Can someone tell me if android sdk as some log files where i can check the errors.
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Feb 12, 2010
How much are you using the terminal, and what kind of stuff do you use it for? Which emulator are you using? I like the idea of tinkering with command line on my phone, using it to do simple stuff, partly as a fun way to get reacquainted with it, as I use to use command line a little bit with XP and ubuntu. I've batted around between Better Terminal Emulator Pro and Terminal Emulator. One confusing thing is that they seem to use different commands. For example, in terminal emulator the help command brings up a help menu, in TEP it is unrecognized as a command. What accounts for these differences? Lastly, any suggestions for lists of commands and tips for using them, in a way that will work with these emulators?
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Oct 15, 2010
I am wondering where android emulator keeps all its data and itself? inside the SDK folder or somewhere else?
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Dec 20, 2009
I'm not sure if I'm simply something obvious (probably), but the API tools icon in the "manage applications" section of the phone isn't there.I do see a Dev Tools icon on the main page, but that doesn't appear to have the same stuff in it. Anyone know where I can find this section in Android 2.0?
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Sep 11, 2009
On my emulator under 'dev tools' there is an app called pointer location.Where is the source for this activity/app?
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Mar 20, 2010
I'm trying to access location data in the emulator but always receive null values :( This is the code: final Location Manager location Manager = (Location Manager) getSystemService( Context.LOCATION_SERVICE ); if ( location Manager == null ) { return; }
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Feb 24, 2010
1) I have not been able to find out in which units Location.distance Between receives the latitude and longitude. Is it degrees or micro degrees? Whats the unit for the distance returned? 2) In windows XP using Eclipse 3.3.2. Emulator does not send coordinates properly. Either it by hand or by loading a gpx file the location Listener is not invoked. This same code I have tried it in Ubuntu and works fine. Does someone know how can I solve this? In the office there is no linux installed and I can take my personal laptop.
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Sep 7, 2010
DDMS is not able to send location to the emulator. I have tried sending just the location from DDMS but still the emulator is not able to receive location. The application works properly in the device but its not able to capture location data in the emulator.I am testing on Android 2.2 emulator. Can anyone let me know what can be the issue?
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Feb 17, 2010
I want to get longitude and latitude in android emulator for testing.
Can any one guide me how to achieve this?
How do I set the location of the emulator to a test position?
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Aug 29, 2009
I am dealing with a application which associate with GPS mock locations and XMPP communication,and need to send the mock location to two emulator by ADT at the same time. However I've got a problem .It seems that the location can't be send to two emulator in my computer at the same time. So, may any master-hand can tell me if it is possible for us to send mock location to two emulator in the same computer at the same time?
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Mar 11, 2010
Is it possible to activate the network location provider on the android emulator? Maybe with a fake cell id?
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Apr 17, 2010
Looking for the simple, atari games like missile command, tempest (I know there are space invaders and pong).
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Sep 6, 2010
I have a rooted samsung captivate with sideloading enabled. After experimenting with different wifi tethering apps from the unofficial market, I began experiencing difficulties with my wifi connection. Even after uninstalling every app that I thought was changing the wifi state, the problem still persists. I can turn on the wifi and it will act normally for about 30 seconds before turning off without user intervention. In dmesg, the error is as follows: 'mmc1: Got command interrupt 0x00060001 even though no command operation was in progress.' Is this caused by an app or is this a more complicated problem?
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Jul 28, 2009
There are images provided in android-sdk-windows-1.5_r2platforms android-1.5data esdrawable folder of SDK. Is there any way that we can use those directly in appliation. (without local copy)?
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Mar 25, 2010
The reason for me to do this, I have created these 2 views in the beginning of the app. SO they are always present. But in some cases where i want only 1 view(which is surfaceview) and if i dont need the 2nd view(i.e, videoview), i am still getting a black patch at the palce where i have defned a videoview. want to get rid of this. Can anyone please tell me if it is possible to disable views/surfaces corresponding to them? If so how can we do this?
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Jan 7, 2010
I'm trying to use BouncyCastle with android to implement ECDH and EL Gamal. I've added the bouncycastle jar file (bcprov-jdk16-144.jar) and written some code that works with my computers jvm however when I try and port it to my android application it throws: java.security.NoSuchAlgorithmException: KeyPairGenerator ECDH What am I doing wrong?
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May 5, 2009
Several recent applications (e.g. Shazam) have text and image ads which are handled by Google. I can't seem to find how they did this. Is there some new API that you can use to display ads given some key, similar to how the maps API works? Or is this something that developers individually negotiate?
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