Android : Update UI With Internet Access Every Time Screen Refreshed
Nov 1, 2010
I need to do an internet access to update a field on my UI. I do the internet access in a background thread by extending AsyncTask.
Since I need to update my UI every time the screen is refreshed I am executing the AsyncTask in my onResume method. code...
I dismiss the REFRESH_DIALOG dialog in the onPostExecute() method in the AsyncTask.
For testing I rotate the screen to landscape. Things work well. The problem is when I try to rotate again to portrait. I get 'java.lang.IllegalArgumentException: no dialog with id 1 was ever shown ...'. id 1 is for the REFRESH_DIALOG.
How do I get rid of this error? Is there a better way to do an Internet access to update my UI every time the screen is refreshed?
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Aug 26, 2009
I'm a very light mobile phone user (100 minutes per month at most, often much less, with a sprinkling of texts) and I expect to need intensive mobile internet access only sporadically. Since much of this will be while travelling abroad I don't want to get locked into a large regular commitment to a UK carrier.
If all I wanted was phone access (calls and texts) the obvious answer would be a standard PAYG deal where the value of each top-up stays on the phone indefinitely until I use it. However, so far as I can see, this kind of deal doesn't seem to be available for internet data access (except at ridiculous prices like ?1 per MB).
At reasonable rates per GB all I can find are "rolling" deals where I pay monthly until I cancel or one-off "add-ons" (for example from Three where I can buy 500MB for use within 7 days or 2GB for use within a month). In either case, any allowance I don't use within the period goes to waste. What's more the one-off add-on carries the risk of forgetting to look out for the end of the 7-day or 30-day period and getting hit by penal charges.
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May 14, 2010
New to Android, not new to smartphones. My BB Storm didn't have WiFi though which is the root of my question.
How do I know which system DINC is using to access internet at any given time? For example, if I am at home connected via WiFi is my DINC using WiFi or 3G to connect to the internet? Also, when my DINC synchs up my accts (Facebook, Weatherbug, Native Weather App, Gmail and Mail) is it using 3G or WiFI? Can I set a preferred connection somewhere? I've looked, but can't seem to find something like that.
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Aug 8, 2010
My wife did the froyo update today (8-8-10) she is unable to access the internet and receives this message : The application Internet (process com.Android.browser) has stopped unexpectedly. Please try again. Then the " Force close " box pops up. She took it to the Sprint store and they were stumped, the phone says that it is connected even though it is not!
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Mar 24, 2010
Would it be possible to "sync" my apps so that they all connect to the internet at the same time to update, as opposed to each doing them at different times?For instance, my k-9 mail checks for email every hour, but my News and Weather Widget checks every 30 minutes (I think), and my Beautiful Widgets Home Widget checks for weather every 2 hours. I fear that even if I set them all to 1 hour, they'd all be checking at one hour past the time I told them to check, which would still be different times. Is there any way to just sync all of my apps that automatically connect to the internet?
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Apr 7, 2010
I have Activity with ListView inside it and in the onCreate method of the Activity I have code for populating the Data of the ListView this Data is a server based and so populating includes calling Network URLs. I have the ArrayAdapter of the ListView in the Same Activity Class.
Now the Issue I'am facing is that, in Rest all scenarios my Activity is behaving in a proper way but when the Orientation [ Portrait to Landscaped or other way round] is taking place the Data is Getting lost and Newer Data calls are Required to Populate the Same Old Data now this is something that is not intended out the code how should I deal with it.
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Aug 25, 2009
at the moment I am thinking about a new app and need some information to decide whether to develop on Android or an alternative OS. I am particularly interested in "time to first screen", "boot-up time", "time to first Audio" and "app-start" (can be any from the android market or even one of the pre-installed ones) time? Does anyone know a source or perhaps measured those numbers?
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Aug 26, 2010
I have a list which shows data from a database using a cursor adapter. Using Menu option I am updating my database (inserting more rows deleting existing rows). When Menu operation completes, I want contents of list should show updated contents.
I have tried using cursor.requery(); (or explicitly querying cursor again) and using adapter.notifydatasetchanged(), but with this list of contents are not updated.
How can I refresh the contents of the list.
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Dec 18, 2009
I have used below steps for setup the my emulator
1.C:Program Filesandroid-sdk-window ools>adb shell
2. # sqlite3 /data/data/com.google.android.providers.settings/databases/settings.db
3. sqlite> INSERT INTO system VALUES(99,'http_proxy', '10.10.8.1:8080');
After that i closed adb shell command prompt and my emulator. and then opened my emulator but webbrowser is not opening any page(web page not available messaage) .
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Mar 13, 2010
I've been using this method to gain access to internet from my Android emulator. emulator -http-proxy <> -avd <>
It works but is that the best way to do it? It just doesn't feel right that I need to open the emulator from command line and can't just do it from Eclipse or something.
Can't seem to find an internet option on the "AVD Manager" either.
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May 1, 2010
I just installed the SDK and then added the 1.6 component. Then I created an AVD. When I launch the AVD (inidentally, there is a brief error message saying could not load preferences) and try and login, it says no network connection. THe computer definitely has an Internet connection, otherwise I could not write this message.. Evberything I have read suggests you don't have to do anything special to get Internet access in the emulator. My computer's Internet connection is via LAN, which connects to a 3G router. I read something about using 10.0.2.2 in the proxy settings, but when I specify that in their SDK, the SDK hangs upon launch as it tries to find the repository, or whatever it does at startup.
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Feb 10, 2010
Here is my problem : I am testing a database storage after retrieving data from the internet, then i would like to be able to start the emulator with internet working, and then, while it is running, stop internet access to force it using the database as a source to display data.
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Sep 20, 2010
At my campus, to get internet connection, I need to log on to a SSH server like they write:.you must manually log in to the firewall server, by establishing a pseudo-tty-less ssh connection to it. The following command can be used on most systems: ssh -T -l [username] [server-URL]I must be logged on to the server for as long as I want internet.Does anyone have any idea how to accomplish this on Android?I have a little experience in writing basic apps for Android, but not much with SSH, any help is appreciated.
/Update
Tried ConnectBot, but the server replies "You may only connect without a pseudo-tty!" at login attempt. I have no idea what "pseudo-tty" is, and I have looked in the settings of ConnectBot, there is no mention of this.
/Update2
Searched for any further info about the pseudo-tty-less function, in connection with OpenSSH. No luck so far, only a definition of the -T parameter which has no equivalent in ConnectBot.
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Sep 28, 2010
I have an android application(Android 2.2) accessing internet behind proxy. I have tried setting an APN with proxy host & port and it works fine in emulator browser. But the application fails to connect to internet. I have also tried command line option of -http-proxy, it doesn't work.
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Mar 17, 2009
Inadvertently, I blocked eclipse from accessing the Internet, which prevented the emulator from running (see my other post). Once I removed the block, eclipse and the emulator worked again. Anyone knows why is network access required for eclipse to work?
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Jul 24, 2010
AS per the question, how many of the HTC apps require you to be online to do anything? Like are they all weather, sat nav, or use the internet to show you locations, and such? I'm just wondering how many apps will require me to use GPRS when outside of a WiFi zone, which would be quite a lot of places really!
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Jun 26, 2010
Is there a broadcast receiver or some kind of setting that we can listen/monitor to get notified if the internet/network has been connected.
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May 17, 2010
I am trying to connect to internet through android emulator being behind proxy. I am using Android 1.6 SDK. I set my proxy details going to Home Screen->Menu Key->Settings-
>Wireless controls->Mobile networks->Access Point Names
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Oct 5, 2010
I'm trying to develop an android application that uses network connection. The server is up and running, but when i am trying to access it from the device that runs the android app (in debug mode-using eclipse) it outputs a message that 'cannot find the server' after a UnknownHostException occurs! I have tested the server with a java application and it works fine! What is the problem then with the device?
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Oct 13, 2009
I got a AsyncTask that is supposed to check the network access to a host name. But the doInBackground is never timed out. Anyone have a clue? code....
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Oct 23, 2010
Edit: so after using it more I realized...there are no ads.
So, any other thoughts?
love the app but hoping someone who knows more about it than i do can shed some "light" on why it needs Internet access.
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Mar 4, 2010
I get the following Exception running my app:
java.net.SocketException: Permission denied (maybe missing INTERNET permission)
How do I solve the missing permission problem?
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Jun 21, 2010
Is there an app that can make it so my wireless is turned off UNTIL a certain app is used? Like when I open dolphin or tapatalk for example. Then once I close it it automatically shuts down the WiFi again.
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Jan 9, 2010
I'm working on a security project which needs connect to internet in a stealthy manner. It will be perfect if our app can access internet without asking for the permission INTERNET. I found it is OK to open browser with a URL without that permission but the user will notice that. Is there a way to access Internet without the INTERNET permission and hide from user?
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Jul 30, 2010
I have had my incredible for about a week and have my yahoo and hotmail set up. My problem is when I 'delete' messages from these accounts the same messages appear again when the accounts refresh. Is there something I've done wrong in the setup?
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Aug 29, 2010
MotoDroid 2.2. Since 2.2, the auto-rotate screen goes haywire from time to time. I normally use the vertical format, easier to type, but when it switches, not much screen left, and I have to go back and back to start over again.
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May 29, 2010
i just picked up a unlocked a moto cliq.. my concern is that i have never had a data plan on my account (at&t). this phone seems to have alot of different apps and widgets updating themselfs continuosly.. i have no problem with while im at home beacuse of my wifi that i can connect to.. but when im not on a wifi connection it seems to still be updating.. which i dont want until i upgrade my plan to unlimited data.. How do i turn off these features or turn off data/ internet acess all together when im not on a wifi connection?
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Sep 30, 2009
What are the settings required to access network for those who dont have ADSL connection?
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Jun 4, 2010
My hotspot is all set up. I turn it on and I can see it from my laptop. I connect the laptop and EVO says there is 1 connection. But, the laptop connection gets no Internet access. I've tried it with and without security set up. I've rebooted. I even took the battery out and let it rest. (All of that cleared out the Error 67 on the phone but still the laptop sees no Internet.) Internet on the phone is great - even got 4G, but. What in the heck am I doing wrong? How can I get Internet access for the laptop?
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Nov 23, 2009
I switched from WM6.1 to HTC Hero. With ActiveSync, my phone can access the Internet through the PC's Internet connection. But I cannot do so with HTC Sync. Can I get my phone access the Internet through the PC connection, without connecting to Wi-Fi or 3G?
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