Android :: Emulator 2.1 & 2.2 Reverse Geocoding Not Available
May 30, 2010
I have been unable to get reverse geocoding wokring under either 2.1 or 2.2 on the emulators. Tested on both mac/eclipse & ubuntu/eclipse.
I am sending manual decimal coordinates via DDMS and have ACCESS_FINE_LOCATION & INTERNET permissions in my manifest file.
On an actual phone (HTC Desire) it functions properly.
CODE:............
The following code throws the exception below
CODE:..........
I have been looking for docs on this and can find very little information on the above to confirm whether it should or should not work.
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Oct 17, 2010
I am trying to Reverse GeoCode current Lat/Long data to just Admin Area and Sub Admin Area using the Geocoder class.
I am using the NETWORK_PROVIDER as the Location provider. Here is the code that I use and it works. The problem is sometimes it does not give me any location sometimes it does.
Android Manifest permissions I am using.
CODE:.............
Here is the rest of the code that does give me correct location from time to time but nothing at other times.
CODE:..............
Are there restrictions with the network providers how frequently you can request location data?
How can I make sure that everytime its run this can give me valid location data.
Thanks in advance for any insight into this.
PS: I have run this code on my real device running Froyo 2.2 (Verizon Wireless). Target API Level 8.
This is what I got from my debugging.
Latitude Longitude is always fetched but the getFromLocation often returns null for the latitude longitude data passed to it. So what should be the workaround? May be pass the Lat/Long info to Google Maps API for reverse geocoding. Will be glad to receive any input.
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Nov 24, 2010
I am getting null pointer exception when I am trying to get lat/long from address using reverse geocoding in Android....
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Sep 24, 2010
I recently upgraded my SDK from 7 to 8. One of my applications uses Google GeoCoding, specifically the Geocoder object. After the upgrade, when I call the getFromLocation method, it doesn't return any addresses and I see a message in the logcat to the effect that GLS failed with status 20. My Google Maps API key is working fine because I'm seeing the map tiles, but GeoCoding is broken. It works fine if I run a previous (SDK 7) build of my app.
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Nov 5, 2010
My app makes several calls to getFromLocationName from the android.location.Geocoder; class, this is currently handled in my activity which also displays some data depedant on the results of that call.
This can be quite slow, for example before the activity can load it first has to complete the various calls, and that is reliant on a network connection.
Once I have the results, I don't really need to refresh that (I mean how often do locations and geo coordinates change?)
My question : How can I best avoid having to query for this data each time my app runs. Should I do something with a service that loads them all on startup? (could be quite slow if it has to query 50+ times). OR should I make the call, store results in SQL, then only query next time if I don't currently hold the results?
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Sep 21, 2010
My question in a nutshell is: Is there a correlation between the number of decimals used in GPS co-ordinates and the accuracy of the location?
Right now I happen to be working with the Android SDK but I'm sure this question can apply to many other geolocation SDKs. Basically, Android returns GPS coordinates with up to 14 digits. That seems like overkill in most situations. Lets say I needed accuracy down to about an area of 10 feet by 10 feet. How many decimals do I really need to worry about? The use-case that I'm looking for is I want to know if a person is north or south of a particular latitude - how many digits would I need to store in the database and how many digits would I need to compare?
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Oct 27, 2009
I have an application that uses the Google Maps API to geocode distances between lat/long pairs as a way of displaying people near to you on your phone (currently Android, working on iPhone). The issue is that even with a test group of 40 users, we are taking upwards of 10 seconds to do our calculations and send the results back to the users. While 10 seconds sounds like a long time, it's not really an issue as far as the client app goes because it's not a real-time update of people's locations (the updates occur every few minutes). Obviously this is a problem though since we'd obviously love to ramp up to tens or even hundreds of thousands of users. I'm curious if anyone else has any experience in this arena in regards to using the Google Maps API for calculating distances between points for large volumes of data?
As an aside, we're using Rails on the server, which is where all of the location calculations are occurring. The phone(s) are merely displaying the maps and updating the server with lat/long coordinates.
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Nov 24, 2010
After I upgraded to Android SDK 8 I started seeing geocoding failures in the emulator. However, everything was fine on a device. Now my app fails to gecode on 1.5 and 1.6 devices as well as in the emulator. I can't test on a 2.2 device. Perhaps it works OK there.
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Nov 26, 2009
I have been uploading my photos to Flickr using the built in Flickr integration. However, I notice that the geocoding does not get set in my Flickr account. When I browse the photos on my phone's card, the goecoding is in tact. Is this a limitation of Flickr or my Hero?
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Mar 24, 2010
I have a G1 and I now have an app named MapDroid BUT so slow to download the maps. If I could hook up my G1 to a computer at the internet cafe that has a ASDL connection it would go much faster AND I would be able to do something else beside watch the yellow bar slooooooowly move. I am not in the USA. One guy said the best way is buy a Bluetooth drive that looks like a flash drive. Plug it in the PC and my G1 should get internet. Not sure. I think files would work but not sure about internet. If the cable won't work then why should bluetooth?
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Jul 30, 2010
I'm searching an app which can allow a user to access/remote control his phone using his computer.I'm conviced someone already made it, but i just couldn't find it.
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Nov 2, 2010
I find that geocoder apis particularly getFromLocation using Lat and Lnt is not very reliable. I am noticing this behavior more after I upgraded to android 2.2 on my Droid. I get an invalid argument exception for Latitude. The funny thing it is not consistent in this behavior.
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Aug 18, 2010
I´m doing a layout animation on my listview where I fade the list elements into view using a LayoutAnimation with android:animationOrder="normal". It works perfectly fine and the elements are faded into view in top-to-bottom order. However, if I trigger a layout animation twice (eg call startLayoutAnimation before the list view has finished animating its views), the listview performs the new layout animation in reverse order; bottom-to-top.
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Oct 12, 2010
I just got my first Android and love it after having used Win Mobile for years. However, there's one app I just can't seem to find.
I want something like MyMobiler (Windows Mobile - My Mobile)
Instead of accessing my PC desktop on my phone, I was able to FULLY access my phone desktop on my pc (i.e., I could completely operate my phone on my PC which allowed me to type and enter data faster and more accurately).
Does anyone know an app that'll do this (even a non-free app would be great).
I had grown so accustomed to using this application that I will now be lost if I can't find a suitable replacement.
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Oct 12, 2010
We've been trying to reverse tether (using a SmartQ V5, android version 2.1) to another device that has an Internet connection we want to share. That is to say, the Android device is the client and needs to get access to the Internet through connecting to a Bluetooth PAN network.
We have so far been able to get root access on android, but have had no luck with bluetooth PAN. We found that bluetooth PAN isn't compiled natively in android (at least not in 2.1 or before), and to enable it you'd need to turn them on and compile the OS image yourself. Does this concur with others' understanding?
Has anyone had any luck in compiling an android OS or setting up PAN to do reverse-tethering with another device (say PC)?
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Dec 24, 2009
I was wondering how safe it is for my apk to be uploaded without being obfuscated. I am kindof in a hurry to upload it on the market and I was thinking of uploading it unobfuscated. I am guessing this is probably how most of the apps are uploaded anyway but I would like to hear people's opinions on this. I haven't searched online for existence of tools that reverse engineer the .dex file the android project creates.
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Sep 16, 2010
I have been trying now for a few hours to reverse the scrolling of behavior of the ListView. Essentially when scrolling down with my finger I want the list to scroll up!
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Jan 26, 2012
I have a [rooted] novo 7 Basic (running android 3.2) that I need to reverse tether to an ubuntu machine - through USB
Because this tablet (and other tablets) are not 'phones' - they don't have a native tethering option (which is required for most of the reverse tethering examples that are out there)
I can work with the device through adb - tried setting up a tunnel but I can't get any usb interface to show up with ifconfig
Maybe there is a way to just do it through abd with some ubuntu network configuration?
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Jul 8, 2010
How would i go about reverse engineer what i have on my phone into a project in eclipse. To clarify, i want to create project where i have all the source code that was used to set up my stock phone.
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Aug 19, 2010
Is C2DM one way communication? Is it always from "cloud2Android"? Is it possible to work from Windows2Cloud?
i.e. Is there a way to send messages from Cloud to PC?
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Mar 30, 2010
I have a Nexus One connected to my computer via USB cable. Is it possible to have Nexus One route all TCP/IP traffic via my computer's internet connection? This is like reverse tethering I guess.
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Sep 23, 2010
I need to know that if Reverse landscape (Changing phone direction in clockwise direction) is possible in android.If yes please give some pointers on that topic. Currently video playback is possible in normal landscape mode. Can I change that from applications side or it needs support from framework.
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Feb 8, 2013
I am running on Android 4.0.4. Is there a way to activate Reverse USB tethering and WiFi hotspot at the same time? I want to give internet from my PC to phone, via usb internet. Then give internet to my friends via Android Wi-Fi hotspot
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Nov 4, 2009
I'm using the geocoder in the android map api, this work relatively good, my problem though is that i want to be able to get a number of addresses near a geopoint ! I thought about calculating different geopoint near the a center geopoint, but what about the cost of calling the reverse geocoder multiple times etc.
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Sep 25, 2010
Is it possible to create android applications that can communicate with apps running on the computer through USB? Like some sort of reverse "adb forward".
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Jul 24, 2010
I don't see anything about this change in the API differences report at http://developer.android.com/sdk/api_diff/8/changes.html. However when my Nexus One started running Android 2.2, the list of files created by the following code are now in reverse alphabetical order rather than alphabetical order (as they were with Android 2.1 and earlier, AFAIK):
CODE:.........
The line "Arrays.sort(fn);" revives the alphabetical order of the list, but sorts are computationally expensive and AFAIK the explicit call to Arrays.sort() was unnecessary prior to Android 2.2.
In addition to seeing this order change on the Nexus One, it can be confirmed on the emulator running level 7 and level 8 AVDs.
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Jul 17, 2010
I had my sd card partitioned for a2sd and just installed the new froyo v23. I've read that froyo doesn't work with an a2sd partitioned card. So i'm wondering how i reverse my a2sd card and get it back to normal. I have my card backed up on my computer and ready to go back to it.
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Jun 1, 2010
Is there an app or widget or a tweak to get reverse teethering working on HTC Desire ?
Like when I have my Desire connected with my PC via USB or Bluetooth and PC is connected on LAN and has a wireless card ,is there a way to access my PC internet on my phone ?
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Nov 7, 2010
I was informed of the new android update and the perks mentioned seemed pretty impressive. Upon installing the new update I regretted it instantly; the phone is slower, the layout is ugly and choppy unlike the sleek and smooth previous layout and the backup and restore is abysmal, all of my contacts are registered in the messaging (which also looks awful and is terribly confusing) but not in my contacts section. Is there anyway to reverse the upgrade, because I seriously dislike the new one. It is awful to put it bluntly.
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Apr 30, 2012
I'm trying to make a HUD (heads up display) device for my car. The only thing I haven't figured out is how to mirror the screen so that it can be read on the windshield. Is there a way to do this without hardcoding it into the ROM?
If it needs to be in the ROM, where would this be changed?
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