Android :: Application Does Not Work When On 3G.On WiFi Works Fine
Aug 16, 2010
I have application that communicates with web server through REST. It works fine on a phone when connected via WiFi but does not work correctly when on 3G.
Not everything stops working. I'm still able to use some functionality but for some reason some calls to rest return "" (empty response) very quickly. Once again when I'm on WiFi everything works fine.
Just to clarify:
1. I have data plan :)
2. Server I'm connecting to is accessible from Internet
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Aug 5, 2010
I have the Samsung Captivate, and I'm having a bit of an issue with my company's Exchange server. I don't want to sync it with my phone, I prefer to keep my work email separate, but I do occasionally need to use the Outlook Web Access portal on the server. When I'm on any WiFi connection, and I browse to my server's OWA, I get the login prompt, and I can successfully log in and do whatever I need to.
However, when on 3g, I get simply "Access Denied" without a login prompt at all. I've tried rebooting the phone, killing the browser process, clearing the caches in the browser, etc. None of that works. I administer this server myself, and it works with my wife's iphone just fine, as well as other android phones in the office.
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Oct 9, 2010
I have a ListView where I want to show the QuickContact (like in the default Contacts android app when you click on the photo of a contact).
It works fine on my Nexus One 2.2 or the emulator with avd 2.2, but doesn't work on my Samsung Galaxy S 2.1update1 or emulator 2.1.
On 2.1, I'm getting the error:
CODE:...........
This is the call in the code:
CODE:....................
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Jan 7, 2010
I'm having a problem where my app crashes on the Droid and seems to work fine on the G1. We have a G1 dev phone but do not have access to a Droid phone, so the issue is difficult to debug at this stage.
The app loads up the main screen okay, but once the user moves beyond the main screen, the app crashes. Moving beyond main screen initiates the following:
- GPS signal acquired - Accelerometer sensor listener active - Geomagnetic sensor listener active - Camera preview active
I have a suspicion that the issue may be related to the camera preview. With the G1, it didn't seem to matter how I set the camera preview size, so I just made it fit the size of the view.
Camera.Parameters parameters = mCamera.getParameters(); parameters.setPreviewSize(w, h); //where w, h are the width and height.
One possibility is that with the Droid having a larger screen resolution to the G1, it may be setting the preview size to something that is not supported. I plan on addressing this, but I have a few questions that I was hoping someone could shed some light on.
1. If the app attempts to set a preview size that is not supported, will it just be ignored or will the app crash?
2. If the preview size is smaller than the surface that is holding the preview, will the image be stretched to fill the surface?
3. Can anyone think of anything else that may be related specifically to the Droid that could be causing me problems?
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Nov 8, 2009
Running into REALLY interesting problems with OpenGL ES. Basically when I start my program in 1.5 or 1.6 emulator, it works just fine but on HTC Hero 1.5 it does not. The problem is that the vertices are not being rendered but the gl.glClear() command is working just fine. I followed in with the debugger and it does go into the rendering function and such but still not rendering the vertices...
Here is the code in PasteBin (easier to read: http://pastebin.com/m706686e6 )
And here is the same thing pasted here:
CODE:............
Also I got my projection set in 2D ortho projection to match screen coordinates so that's why scale to 50,50 to actually make a bit bigger. I've tried using glDrawElements and glDrawArrays and nothing on the actual phone but works perfectly fine on the actual emulator. Any ideas where I might be going wrong? Why is the actual phone not rendering the vertices like the emulator is?
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Apr 30, 2010
Just installed the Amazon MP3 app, that I love. I have it on my 16gb microsd card I just pulled from my beloved G1. Installed and runs super fine!
Had to extract it (apk file) once from a different G1 rom, since it was not in the rom I installed- awhile back.
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Aug 17, 2010
I am developing a social Networking application and it works fine over WiFi but tried the same over GPRS it gives following Exception,
.....................
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Jan 12, 2010
I've two phones, the HTC Magic and since today also the Motorola
Milestone.
While the Magic works perfectly, I'm not able to access the Milestone
via USB (adb devices).
Here are my log outputs and settings for both:
HTC Magic
lsusb:
Bus 001 Device 009: ID 0bb4:0c02 High Tech Computer Corp.
CODE:.............
Motorola Milestone
lsusb:
CODE:................
Notes
USB Debugging is enabled on both phones. After changing the udev rules I did a "service udev reload" and
"adb kill-server" -> didn't help. I even tried to restart the whole machine. Without success.
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Nov 19, 2010
Got a brand new phone yesterday. Upgraded it to Android 2.1 before using it. In general, phone is functioning properly, however none of the applications (i.e. YouTube, Gmail, Maps) will work over the 3G connection, but the Web Browser does function ok. The apps will work over WiFi (which isn't much use if you're trying to use maps or gmail on the go). I have tried restarting phone (battery out restart). It is not a signal strength issue, I am getting HSPA with full bars and it still times out with "no connection detected" (or variations thereof, depending on the actual application). I can work around this using the web browser based clients for these apps, but as they aren't streamlined they are a PITA to use.
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Dec 25, 2009
I gave my son a Samsung Moment for Christmas and before the day was though he dropped it and cracked the screen? The phone works fine. What is the best way for me to get this screen fixed. Just call Sprint or take it back to Best Buy. Any idea what the cost is for that kind of a repair?
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Nov 24, 2009
In my application users take photos with an Activity that implements SurfaceHolder.Callback. The uri.toString() is then passed as an extra to a subsequent Activity that displays the image. All fine, except for in Android 1.6 the jpgs on the sdcard have a strange noise when looking at them through mac finder or win explorer after mounting the sdcard. The images have purple and yellow stripes on their upper half. Fine on camera gallery.
Here's some relevant code.
CODE:................
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Apr 6, 2010
I've set up Hotmail to be the default email account and has always seemed to work fine (although the sync doesn't always work - when read on the phone, then deleted on a computer, this is not reflected on phone, if that makes sense). However, recently have been having problems receiving emails. I've tried entering the password again; even tried deleting the account and re-setting it up. The former doesn't make any difference. The latter seems to work the first time (with every email coming up unread), but subsequently fails to refresh with new emails.
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Jun 8, 2010
I dont know if anyone is interested buy I have just registered with YAMGO.COM. I am nothing to do with the site just wondered if anyone wlse wanted to give it a go. Took 5 seconds to log on and it works
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May 5, 2010
I keep Getting login failed but the internet browsers work fine. i didnt change anything its very strange.
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Jun 14, 2010
I will be buying a brand new unlocked htc desire from an asian country.will it work fine in india(where it is yet to be launched) and will it receive froyo 2.2 as soon as it is made available worldwide?
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Oct 29, 2010
I had a new phone that the phone company forced me to block by not giving me the correct code for unlock (which I paid the phone company for), and they said sorry and after 5 mths with a new phone in a box (while in another country and not being able to use it), they decided to exchange the phone. They exchanged the phone and wouldnt give me a new one since the original problem wasn't reported before 7 days after purchase, but 9 days pff. The exchange is refurbished or something but is perfectly new looking and works amazingly well.
It connected to like 2-3 networks while I was away in that country getting the phone changed and now I'm back home and it will not connect to my home connection. I have changed every thing around and back and I have verified all settings, WiFi on and off. Hard reset - it will not connect. It says searching and then connection and then disconnected etc. Doesn't even say obtaining IP addy or anything. It doesn't say anything or give errors at all, it just will not connect.
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Jan 20, 2010
I am using Motorola Milestone UK version with AT & T. G Mail and Yahoo etc work fine. Data plan also work perfect wih At&T 2G. AT&T 3 G can not use with Milestone because 3 G band of AT & T is not supoerted by Milestone.
However, real problem is that when I call anybody, he always finds my voice breaks on Milestone. When I switch to speaker they find my voice perfect. I can hear their voice clearly. Any body has same problem.
Secondly, I would like to dowload "Car Home" app which is available with Droid. It is not available in Market place. When I try to see how it is intsalled in my friend's droid, it shows 0 KB. Does this app is part of Android for Verizon. When I dock the phone in Car dock, as I dont have Car home app so phone does not pop up Navigation window which is part of Car Home. I can use Google Map manually. This is not big problem.
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Apr 27, 2009
I have a requirement to play several sounds many times in my game so instead of creating the MediaPlayer again and again I have called mp.seekTo(0) in onCompletion(mp) so that it will restart. Sometimes the sound is not audible from the device when I call mp.start () after setting mp.seekTo(0); but the player calls onCompletion() without playing any sound, this is observed randomly on most of the sounds
My sounds are of short duration mostly less than a second.
I am using a separate MediaPlayer for each sound (as I need this) -
There are almost 28 sounds in my game so i will be creating 28 MediaPlayers.
Below is the attached code for player
Also If I try to play many sounds one after the other in a short period of time i get an error saying "no more track names available". can u tell Why this is happening...?
check the below code:
CODE:........
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Jan 17, 2010
My Gmail account works great, and I have my aol and yahoo acounts set up no problem (well the yahoo was a little problem but got it to work so thats all that matters). I have 2 other email accounts that no matter what I do I can not get them to work. One is my works email which is handled by a company called network solutions. I can get the incoming server setup fine but I can not get the outgoing to work. The other is my school email which is some sort of msn email account variation (username@email.itt-tech.edu which i log into through msn.com). I cant get anything to work for this accuont.
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Jul 22, 2010
I have developed an App that target version is 4 (Android 1.6) upto 7 (Android 2.1). I tested this app on the dev phone 2 (Google-Io-Device 1.6 version). I am doing some xml parsing stuff through Internet. i set the <uses-permission> on my Manifest. it works fine in WI-FI Network. But its not working in the Motorola Droid 2.1 with 3G Network. Is there any more specific stuff to do for 3G network?
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Oct 14, 2009
I am trying to test the availability of a service with a socket. the code is quite simple. Code...
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Jan 3, 2010
I'm trying to use HttpPost to send data from an android device to a server. It works great with a Wifi connection, but I get the IOException "The target server failed to respond" with a Mobile connection (3G, Edge, etc.). It doesn't seem to be a timeout problem (I set it to 90s). The use of HttpGet works perfectly with both Wifi and Mobile connection... Any idea of where the problem could come from?
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Jul 30, 2010
While USB tethering over 3G/4G networks doesn't work unless you pay for the $30/mo hotspot feature (which I still cannot get Sprint to admit is a stupid name since I don't want a hotspot, only tethering, but I digress), you can tether and use the phone's WiFi connection.
Why would you want to? Well, I have a laptop that requires a USB dongle and now I have one less thing to carry. OK, not the best reason, but I found it interesting.
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Oct 13, 2010
I can only RECIEVE email thru wifi connection (at home or in the office) I cannot get mail thru wireless connection... aka "over the air" it just "spins" and then eventually I get an error message " alert connection timeout" I have tried the followingre-installed my email account HARD RESET (that didn't work and was a major pain in the butt , trying get get everything back to the way I had it) double check settings (POP and SMTP) with my domain host and there tech support I have been to my Sprint store Tech support, spoken w/ Tech support, and now I am reaching out to you
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Jul 9, 2010
I have an android application that parses some HTML, downloads an image, and displays it. I'm using an AsyncTask to do the HTML parsing and image downloading, but that shouldn't be relevant. I never have a problem when I'm on WiFi on my phone, when I'm using the Eclipse debugger on my phone, or when I'm using the emulator. When I have my phone on the cell network (even with pretty good reception), the image sometimes fails to display. I'm having a hard time figuring out what is wrong, since the problem cannot be reproduced in the debugger. Does anyone have any idea what could be wrong?
Update: I have narrowed it down to the image downloading function. This way my original code:.......................
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Aug 3, 2010
I don't understand the tethering could someone give me a example on how it works?
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Aug 28, 2012
I am using the SSH Tunnel app on a rooted HTC One S which is otherwise stock. It works perfectly on my home wifi network (if I access an ip web page it shows my SSH server's ip).
If I then turn off the tunnel, disconnect from wifi, reconnect over 3g it connects fine, but when I access the same site it shows my phone's IP, not my servers.
Are there any known issues that prevent SSH Tunnel from working on 3G?
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Nov 4, 2010
I have two apps, almost identical, that make heavy use of Maps. I have both of them signed with the same key. One of them works, but the other one doesn't, it just shows a grid, but works with the debug key. I tried everything already, i mean i searched for substancial differences, but the thing is: a) if it's a code problem, it should NEVER run (and it does work with debug key) b) if it's a key problem, it should work (or not to) in both apps (and works great with one of them). I've already asked in Stack Exchange and they couldn't help me. Do you have any idea?
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Jun 20, 2010
just an opinion thing but do you think your home works better or worst on wifi? Because I think I see dramatic improvement on my phone just a thought
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Sep 8, 2010
When I'm away from home without a WiFi connection it seems like nothing works. You Tube, Last FM, eBay and worst of all any of the three different types of Twitter I have. Some of these apps are incredibly slow or others just give up. I've never been able to upload a picture via Twitter using any platform. Really annoying. Seems my Gmail isn't even notifying my anymore.. Have I done something? Is this linked to Orange's notoriously poor set up?
Will rooting my phone help? I'm already running out of space on my phone after downloading what I consider a fairly small number of apps. Why don't they save to, and run off, the SD card?
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