Android :: Update - Handler Class To Update UI ?
Oct 30, 2010
I need to update my ui for an android app and I'm trying to use the Handler class to do it, using http://developer.android.com/resources/articles/timed-ui-updates.html and the android developer resources "Common Task" for using Handlers as guides.
Basically, I need something between the two - a timed update of the user interface, but without a button. So here is the relevent code that I am working on.
CODE:...................
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Oct 30, 2010
I need to update my ui for an android app and I'm trying to use the Handler class to do it, using http://developer.android.com/resources/articles/timed-ui-updates.html and the android developer resources "Common Task" for using Handlers as guides.
Basically, I need something between the two - a timed update of the user interface, but without a button. So here is the relevent code that I am working on.
CODE:...............
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Nov 22, 2010
I seem to be having trouble with updating a TextView from a thread. I have a GameConnection class (which manages a socket connection) which I want to use across activities. It calls a local "onMessage", which then uses the target handler to call dispatch Message. The "Handler" in this case, is in my GameBrowser activity.
Here's code from the GameConnection class.
CODE:......
As said above, a local method "onMessage" method handles dispatching of the message.
CODE:.......
However, when I get the response in the GameBrowser class, I get a CalledFromWrongThreadException . Initially, I was using a callback method, which of course wasn't working. So, after some research, I've found that I have to use a Handler, but I can't seem to get it right.
CODE:........................
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May 9, 2010
I try to make several connection in a class and update the multiple progressbar in the main screen. But I've got the following error trying to use thread in android : Code: 05-06 13:13:11.092: ERROR/ConnectionManager(22854): ERROR:Can't create handler inside thread that has not called Looper.prepare() Here is a small part of my code in the main Activity.
public class Act_Main extends ListActivity
{ private ConnectionManager cm;
public void onCreate(Bundle savedInstanceState)
{ super.onCreate(savedInstanceState);
// Set up the window layout
requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
setContentView(R.layout.main);
getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.custom_title); }
public void startConnection() { ......
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Sep 21, 2010
I have looked at every discussion and thread I can find on getting this to work but it is not. I have a simple timer that updates a text view (mTimeTextField in the example below). The mUpdateTimeTask run method is being executed correctly (every second) but the UI/text field is not being updated.
Here is the code:.........................
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Oct 5, 2010
I have a class that uses a Handler for a timed, asynchronous activity.
Something like this:
CODE:.................
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May 2, 2009
Instead of finding the button (as per the id specified in xml) i.e
CODE:.....
Is it possible to set the Listener class name directly in the xml definition. Most of the time dealing with id's for attaching listeners is affecting our productivity.
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Mar 18, 2010
What is the difference when a class extend from Handler and Thread?
As described in developer.android.com
...
Each Handler instance is associated with a single thread and that thread's message queue.
...
Does the thread has no message queue ?
Any benefit for a class extend from Handler?
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Sep 6, 2010
I was curious about the nature of the handleMessage() and sendMessage() behavior of the Handler class. I want to be able to send message to another thread in such a way that the destination thread can process the message queue when it wants to. It seems, however, that the message is processed by handleMessage() practically as soon as it's sent.
I'm trying to design a game loop thread that does something like this:
CODE:.....
However, I as soon as sendMessage() is called (from the parent/calling thread), the Handler.handleMessage() is processed (in the child/receiving thread), even if the child/receiving thread is blocking in a while loop.
I've seen this problem solved in other games by using a thread-safe list (ConcurrentLinkedQueue). The UI thread just posts events to this queue, and the game loop can remove the events as it seems fit. I just assumed the Handler class was designed for this purpose. It seems it's more intended for asynchronous callbacks to the parent thread.
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Nov 23, 2010
I just upgraded my xperia to android 2.1 and immediatley after that my phone keeps on restarting. is this normal? or should i reinstall the update again?
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Nov 12, 2010
I have a game that relies on OpenGL ES 1.0 and I (finally) have it to the point that the amount of bugs and ANR's being reported through the Market is nearing zero. So, what better time to make a major revision that ruins all that, correct? What I would like to do is the following:
- Update to OpenGL ES 2.0 using android.opengl.GLES20 class: At the moment, my app actually imports a JSR-239 jar stub so I am compatible with non-Android devices. Since non-Android devices cannot match the pace of Android adoption, I think it is work the effort to make a branch that imports GLES20 and utilizes more features, specifically: - FBOs/VBOs - Floating-point calls (everything is still in fixed-point) - Shaders, etc. - Upgrade the application (2.x branch) without creating a new application in the market but still have users on older devices still see the 1.x branch....
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Sep 21, 2010
I would like to update my sql lite database with the native update-method of the SQLiteDatabase class of android.
CODE:.......
But i get following error:
CODE:....
I donīt know what should be the problem. Somehow the values do not arrive in the sql statement. I did nearly the same with the insert method and that worked quite fine.
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Nov 23, 2010
After I updated to 2.1 i cant see the phonebook any longer in my car (BMW 1 serie with IDRIVE and bluetooth). With 1.6 I could chose a contact and then dial directly, or import the phone number (however it was not as great as the old symbian OS where you even could navigate directly to a contact). Is it someone that has any idea of a good app or something that makes this possible (maybe a Symbian simulator :-)).
I have also realized that the connection (dB) has decreased with the new OS. I even loos connection on the E4, with this phone (Xperia X10 mini Pro).
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Jan 8, 2010
Just got a new Android phone, my second after a brief stint with the G1 a year or so ago..
Today I noticed that I received notifications that I have apps with updates available. When I click on the notification it takes me to my downloads in the Marketplace, but it doesn't show me which app has an update. They all just say Installed.
Is there no way to tell what application needs updating?
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Nov 19, 2010
I'm not sure if this has been discussed already but can someone please tell me if Android 2.1 OS for SE x10 is available in South Africa?I'm wanting to purchase this phone but I'm hesitant as I'm not sure if this update is available.
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Nov 12, 2010
After installing the 2.1 update onto a SE X10 mini the Android Market will not function. It opens, I can browse and select apps but when attempting to download it states 'starting Download', with a barber-pole bar, but the download goes no further. I have re-installed the update which seemed to work at first with one download working but then the same problem re-occurred. Based on info in other feedback on this blog I reviewed the app settings but there is no update to uninstall. how to get the Market to work?
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Mar 2, 2010
The version of the software that is most current is version 6 (the phone shipped with version 3).
To ascertain version: Go to Dialer/Hit Star/#9999#
You will see the PDA; Phone; and Software Version numbers in this section
The T939xxxx6 for PDA AND PHONE and then
Software Version - ending in .006 on the last line.
I was told that the reason that I keep seeing the "No update file exists" message when I check "update firmware" is because I have the latest version.
At some point my phone was updated without giving me a message. I did notice the red and blue arrows yesterday. But there was no message. My SD card mounted and dismounted on its own and gave an error message, and then all references to the error and SD card disappeared.
If your phone is/has exhibited this sort of behavior, you may already have the update.
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Aug 22, 2010
Onee the " official" fryo comes out will I have to flash to stock then update or can I just apply the update to my rooted phone?
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Nov 8, 2010
I have a x10i, i brought from Hong Kong. but i am in Australia now with three network. so which country update will i get? when the update hits Hong Kong or Australia? and which date if anyone is awa.
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Jun 30, 2010
I can see there is some old threads about auto updates, but I cant find any answers.
I wonder if there is a way to auto update all my applications. I take too much time go to marked, downloads and manually update 1 by 1..
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Oct 17, 2010
I have alot (and I mean ALOT) of apps on my Xperia, so I get around 5 app updates a day, which is now starting to agitate me because most of them are the same apps everyday needing updates.
Today I heard about an update for the market that includes an auto update feature for installed apps. But I, like many others, do not see this option on the market.
Does anyone have any idea how to get it? or if I can't get it, when can I?
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Nov 29, 2010
I just tried to update my Xperia x10 to Android 2.1 I followed all the instructions, but after the update my phone just displays a camera icon with an arrow pointing to a phone?
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Nov 27, 2010
data monitor widget missing after update to 2.1-xperia x8...any ideas?
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Aug 28, 2010
I've got a quick question.
My friend bricked his DX with the Deodexing or whatever. After an sbf flash..
Can we update to 2.2 via update.zip in recovery, install rom manager, and then install MY backup on his phone? I'm currently uploading them to file hosting, and wondering if this would work.
If so, will he be fully rooted, deodexed, and themed(I'm rocking the xtreme 2.2 theme)?
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Nov 2, 2010
I have an X10 Mini that when new was locked to the Orange UK network but I have since unlocked (but not unbranded) it and now use a different network. Which Android 2.1 update will I need? Generic, Orange or the new network provider? If it is the generic one will this also have the benefit of unbranding the phone and getting rid of Orange apps? If it is the Orange upgrade will the phone become locked to their network again and require unlocking again?I need the phone to stay unlocked for the future.
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Nov 19, 2010
I've been trying to update my phone now for nearly two weeks, trying various options, yet nothing I do helps in any way.I started off just running the update from SEUS with my phone as i've been using it.the updater started, gets about 70% through "Preparing" and pops up an error "Unable to install or start software update components." Closing which pops up "try again" or come to this site.I then tried uninstalling all installed components, same result as above.I then tried a Master Reset to factory setting, same result as above.I then disable the Firewall and the Anti-Virus, same result as above.Basically, i'm at the end of my tether, this should not be this difficult, I should not have to jump through this amount of hoops.If there was a way to legitimately root the phone (keeping warranty), I could already have Froyo installed, instead of this irritating mess thats causing me nothing but headaches.
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Nov 23, 2010
Here is the Update Date : Country wise http://maps.google.com/maps/ms? ie=UTF8&hl=en&msa=0&msid=115733394167960205493.000493dd68197f341f98b&ll=-3.513421,11.601563&spn=155.865079,316.054688&z=2
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Nov 8, 2010
I updated the phone to 2.1 earlier, but it's still at 1.6... when I connected to PC Companion prior to the 'update' it said my phone was up-to date so I'm convinced I didn't actually update anything?
When should I be prompted that an update is available via PC Companion? because when I look in the phone settings and check for updates it says there's one available, but not on PCC?
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Dec 2, 2009
I went through all the troubleshooting steps in the "Update Available From Sprint" thread, making sure I was on v1.29.651.1, yada yada. Worked on this for a week and a half. Spoke with Sprint, spoke with HTC, no luck. Going to firmware update always reported NO UPDATE AVAILABLE.
Took the phone back to Best Buy and demanded an exchange. After receiving the new phone, went to try to firmware update, it showed that one was available. I asked for my old battery back since it was charged fully so that I could do the update. Put my old battery back in, went to update, NO UPDATE AVAILABLE!
Turns out it was my battery? Put the new one back in and the update was successful. I had scoured the net before but did not notice anyone with this particular issue. I
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Sep 8, 2010
Does it actually work? I still have to manually update the apps I put on auto update.
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