Android :: UI Thread Which Hangs Up?
Nov 16, 2010
I have to draw list of 30 articles. I tired using list view but there was some problem as I wanted to user alternate colors like first is white and 2nd is blue where as again 3rd is white and 4th is blue and it goes on..
So I decided to have scrollview and table into it. I set the view using setcontentview which shows loading dialog. then in aysnc task's "doInBackground" method i fetch all articles into the object and then in "onPostExecute" I run a for loop on the object and in each loop i make table row insert article and then insert row into table. and then dismiss loading dialog box.
As i have tabular view in my app and If i remove loading dialog box. While the UI is rendered if someone clicks on other tab. UI is hanged up, After loading all table rows It goes to other tab.
Even after using asynctask why this happens ?
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Mar 12, 2009
I am developing a game based on the SurfaceView/LunarLander example in the sample code. I have one activity, with one menu option that is "new game". My activity listens for the menu selection, and once new game is selected, doStart of the Game thread is called. The game starts up after 3-4 seconds, but the menu option sticks around on the screen until the game has started. I think the main thread is waiting on the doStart to do its thing, but since it's creating a new thread, how do I get it to just start the thread and continue its business of hiding the menu option right away, instead of after 3 seconds?
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Sep 7, 2010
How can I implement a run() method of thread if I create a Thread Global?
I mean If I create a Thread Globally then can I implement its run() method {" public void run()"} anywhere in my Application?
In the run() method I have to write the code to perform some action.
IF I can do it then please can anyone show me briefly how to do it particularly.
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May 21, 2009
I am writing an application in which i need to handle messages between the main thread(the deafult UI related thread) and the user created Gamethread.
The requirement is like this.
An activity(say "Activity_X") is setting the view by "setContentView(some "View_Y")". In "Activity_X" i have implemeted "onCreateOptionsMenu()" and "onOptionsItemSelected()" fucntions for creating menus & a switch case for action to be taken on selecting those menus.Menu has items like "resume/pause/zoom/" .
All action to be take on selecting these menus are implemented in "View_Y" in a separate Gamethread by extending "Thread" class.
So whenever a menu is selected in "Activity_X" i need to send a message to "View_Y". And on receiving this ,a particular action/method should be called in View_Y(GameThread).
How can i achieve this using Handlers?Is there any other way of doing this? Please do share with me some code snippets for these.
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May 27, 2010
I have a separate thread running to get data from the internet. After that, I would like to update the ListView in the main thread by calling adapter.notifyDataSetChanged(). But it does not work. Any workaround for that?
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Jul 22, 2009
I want to do the drawing in another thread to speed up the game(it is way to slow right now). I was told to do this but don't quite understand why that would speed things up. Is it GameView that should implement Runnable? Should I make the thread sleep when not drawing? where should I start the thread? package com.android.WWS;
import android.app.Activity; import android.content.Context; import android.graphics.*; import android.os.Bundle; import android.view.SurfaceView; import android.view.KeyEvent; import android.view.View; import android.view.View.OnKeyListener; import java.lang.Runnable; import java.lang.Thread;...................
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Feb 20, 2009
I need to suspend/resume a thread from another thread in the same process. I tried to look into thread apis,but I couldn't figured out a way to achieve this.Can anyone pls point me some references to look or give a tip to do this.
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Dec 28, 2009
Does anyone know how to delete certain texts from a thread in an easy manner instead of having to delete a whole thread??
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Jul 16, 2010
The Android doc says "Like activities and the other components, services run in the main thread of the application process." Is the main thread here the same thing as UI thread?
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Aug 16, 2010
I try to build an https client for android and i need do get some request of an Servlet but when i use the getInputStream method the applicaion hangs.
There is no error only hanging when i call the method.
CODE:..................
This is only to check the call, but it didtn work.
the subscribe method works, when i comment out the line with the inputstream, the server show me all is correct. I can try the same with the Firefox and it works and i can see the request. i also put the keystore into the TrustManager.
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Jun 3, 2010
I'm using a Drioid Eris version 2.1. When I turn on my phone it stays on the starting screen (the androids on skateboards) and won't go to the next one. I think it may have happened after I updated my SD Card Reader app because that's the only thing I can think of that caused this problem, thought it might be something else. How do I fix this?
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Oct 3, 2009
I got a problem launching unit tests. I did: * new android project in eclipse, new android test project in eclipse * added one test case, added one test suite * run as-> android junit test hangs on "Launching instrumentation android.test.InstrumentationTestRunner on device emulator-5556".I got eclipse galileo, newest ADT and android 1.6 sdk
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Sep 8, 2010
I've been trying to upload an APK file to the Android Market for a few days, and the upload process hangs with the spinning icon just rotating. I've let the upload run overnight and it still hangs.
1) The APK file is 28 MB
2) I've uploaded an APK file to the Android market before and it is now for sale.
Is there a way to find out what the error is?
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Oct 22, 2010
I've built my first Android application and it works pretty well, except that it hangs/freezes up when it's left running for several hours.
It doesn't always do this - it's inconsistent.
This is an awful question to ask, it's so broad, but how should I go about troubleshooting this problem?
My guess is that I'm not managing my exceptions well and something's happening that I'm not dealing with effectively.
Is there a good resource of information on testing and debugging Android/Java applications like a Web site or a book?
I'm just looking for someone to shove me in the right direction.
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May 26, 2010
Anyone having problems. I tried in the browser and it hangs as well, so not convinced it is my use of the MediaPlayer, which hangs passing it a 320 kpbs mp3.
http://hellovegetables.com/music/HV692%20Krazy%20Baldhead%20-%20The%2...
Happens in Android 2.1
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Feb 10, 2010
I am giving product build in Android 1.6 in Ubuntu using make. First time it is fine. But next time onwards if I try to build it again without cleaning it, the system hangs after some time. Even if I try remove the out folder to clean, the system hangs. So every time a fresh build takes too much time. Did anyone face this issue? I am using 1 GB RAM, 1 GB swap space and 40 GB linux space(65% space is free).
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Jan 28, 2010
I run Android SDK and AVD Manager in Vista and have problems installing components. The installer downloads components successfully, but at the end of the installation it hangs for about minute and then asks to disable AV software. If I choose 'No', the installer stops with error message like: "Filed to rename directory '...' to '...' ". Thus, I have to unpack downloaded components and place them to proper folders manually. I have no AV software.
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Jun 10, 2010
below is the code of a sign up form, when we CLICK second time to submit the entered details, the application collapses and hags just displaying the dialog_thread....On executing very first time it rum perfectly. The code of dialog_thread is given after onClick(). how to get rid of this problem and let the application run smoothly.
public void onClick(View arg0)
{// TODO Auto-generated method stub
alert_dialog ad=new alert_dialog();
try
{
if(arg0==signup)..................
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Sep 15, 2010
I try to execute shell commands, this does work as it should. Even the result comes back (as is see on LogCat). The problem ist the last line of the result. Every time a readLine() on the last line occurs (which shouldn't occur, temp should be null), the app hangs forever and doesn't come back from the readLine call. Maybe you find the error. I tried readUTF and standart read(), all the same problem. And yes, the app got su-rights.
try {
Process process = Runtime.getRuntime().exec("su");
DataOutputStream os = new DataOutputStream(process.getOutputStream());
DataInputStream osRes = new DataInputStream(process.getInputStream());
for (String single : commands) { os.writeBytes(single + " ");
os.flush(); String temp = new String();
while( (temp = osRes.readLine()) != null) { Log.v("NITRO", temp);
result2 += temp + " ";
} } os.writeBytes("exit");
os.flush(); process.waitFor();
} catch (IOException e) { Toast.makeText(Main.this, "Error", Toast.LENGTH_LONG);
} catch (InterruptedException e){ Toast.makeText(Main.this, "Error", Toast.LENGTH_LONG);
}
That is the StackTrace where it hangs when I stop debugger when hanging:
OSFileSystem.readImpl(int, byte[], int, int) line: not available [native method]
OSFileSystem.read(int, byte[], int, int) line: 118
ProcessManager$ProcessInputStream(FileInputStream).read(byte[], int, int) line: 312
ProcessManager$ProcessInputStream(FileInputStream).read() line: 250
DataInputStream.readLine() line: 309
Main$2$1.run() line: 84
ViewRoot(Handler).handleCallback(Message) line: 587
ViewRoot(Handler).dispatchMessage(Message) line: 92
Looper.loop() line: 123
ActivityThread.main(String[]) line: 4627
Method.invokeNative(Object, Object[], Class, Class[], Class, int, boolean) line: not available [native method]
Method.invoke(Object, Object...) line: 521
ZygoteInit$MethodAndArgsCaller.run() line: 868
ZygoteInit.main(String[]) line: 626
NativeStart.main(String[]) line: not available [native method]
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Jan 7, 2010
All, I've googled over and over again to find a solution and while I found a bug regarding camera release, etc I can not for the life of me seem to get the cam code to work. Every time I executed takePicture the system simply hangs, sometimes it calls the PictureCallback, but most of the time it simply hangs.Weird issues about not being able to read /data/ap_gain.bin files, etc
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Jun 3, 2010
Status: ROOT ,,Root Notification Thread (Root Achieved and thread open)
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May 1, 2009
I found that the old bug reported in http://code.google.com/p/android/issues/detail?id=1578 where only a power cycle brings back the camera still persists with the official Cupcake firmware on my ADP. When it happens - and I've encountered it several times in a few days now - no camera application can access the camera. A power cycle is needed to recover from this locked camera state.
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Jul 13, 2010
At my desk, my 5th gen Ipod Nano's scan function finds 24 perfectly clear stations. The Evo's scan finds NO stations. If I manually tune the stations found by the ipod on the Evo, I can find 9 out of the 24 with acceptable reception. And, the radio app occasionally hangs up while tuning, and must be restarted before it works again. Do I have a defective unit with respect to FM radio, or are they all like this? (not a big deal, since I didn't even know it had FM when I bought it, and I still have the ipod for this purpose.
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Jul 5, 2010
Hello, I recently got a HTC Desire and I've experienced that it often hangs up on the person I'm talking to because my ear touches some button on the display. I've tried turning on the screen lock, and that works sometimes but not always, so I would like to find a permanent solution.
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Aug 11, 2010
I did the manual Froyo update on my Moto Droid couple of days ago after following instructions on a reliable forum. However, I have been having problems like system hangs and video playback not smooth like before. I wanted to get back to my original 2.1 firmware and wait for the OTA update instead. Is there any way I can switch back to the old firmware update of 2.1?
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Oct 21, 2010
im not sure why or what ive done but when i try and shut the phone down it just hangs at the "shutting down" screen for hours. it went 4 hours lastnight without shutting off. the only way to get it to stop is to pull the batt or it sometimes works to plug it into the computer with the usb cable. ive also noticed that mixzing wont read the sd card, keeps saying memory card is unavailible. could it be the same thing in both cases? the memory card is having issues? ive only had the phone for 2 weeks. i can save to and read from the card when mounted as a disc drive and i can shoot and save pics and videos as well as double twist reading from the card just fine. is there something im missing? this is driving me nuts im on telus, android 2.1, not rooted or modified in any way.
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Jul 22, 2010
My wife and i both have the EVO and for some reason she is always hanging up on people. is there any way to turn off the sensor so that when the phone is takin away from your face it doesnt light up the end call button?
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Aug 29, 2010
hi i bought a htc desire and it was fine for a week and in the last three days when iring or some rings me it hangs up while talking.i have loads of coverage here in shepparton vic australia then allof a sudden it has no signal bars. went to the telstra shop today and done a sim replacement but i dont think its the sim card. need to know if anyone else has had this problem and what to do .
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Jul 26, 2010
When phone locked and somebody calls, i drag down to pick up: in this very moment phones shows like it would follow the procedure and pick up, but it hangs like inbetween for 4-5 seconds and THEN picks up. Meanwhile i can press Menu, Home, etc, nothing happens.. Sometime don't have that luck and the call drops. Most of the time i'm lucky and can pickup.
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Jul 16, 2010
So the phone declines the call when you drag up, and I keep my phone power button down so I can have my index finger on the button when I pull it out of my pocket. Is there a way to change the drag up to decline?
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