Android :: Continuously Running Thread
Jul 20, 2010
I am continuously running a thread in my activity which fetches lat/ lon information and the overlays on the map are updated dynamically through a handler. The overlays can be varying in number and can change dynamically. The thread is interrupted in onPause().
I am over riding the onTap() method in my Itemizedoverlay, where I want to call a dialog or may be start anothrer activity which describes that particular overlay item.
Every time I click on the moving overlay my app force closes.
I am basically using same onTap() method in http://developer.android.com/resources/tutorials/views/hello-mapview.... .
If it is only a Toast message and not starting a dialog/activity then it works fine.
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May 2, 2010
I would like to run the Android Camera application from my development board for about 2 hours continuously.
I want to disable the phone lock screen that comes and shuts down the app.
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Nov 4, 2010
I've created a class which is an extension of Thread. This class hits a web service and throws some data on screen. I don't care about persisting this data (the screen displays search results).
Currently, the user simply types into an EditText and clicks a search button. I'd like to take away the search button and implement something similar to Google's Instant Search where, as you type, the search results get updated.
This means, as the user types, the search parameters change. I want to be able to kill the currently running thread (if one is currently running) and spawn a new one with the new search string. How can this be achieved? Can I do it with Thread or will I need to use a new object?
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Feb 22, 2009
I am using this method to identify if a thread is running at any point of time, irrespective of whether the enclosing activity is running or not. Is this the right way?
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Jun 17, 2010
I want to stop currently running thread but -Thread.stop() - Thread.destroy() are DEPRECATED so can any one tell me how to stop the Thread .
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Feb 19, 2010
Can someone advise the am command (for adb shell) to run junit tests in the main thread please? The following shows onStart etc running in the test runner thread. am instrument -w -e class co.uk.telesense. tests.MyTest co.uk.telesense.tests/android.test.InstrumentationTestRunner Ewan Benfield ttp://www.telesense.co .uk tel: 0845 643 5691 (+44 845 643 5691) mob: +44 (0) 77859 26477
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Jul 13, 2010
I have a situation where i want to show a dialog. However, the code that calls the method to show the dialog can be running either in the ui thread or not. How can i find if the current thread is running in the ui thread or not?
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Nov 7, 2010
I have an application that starts on boot using a broadcast receiver, also I have an activity and a process, because the service must run always on the background I am starting the service on it's own process using the android:process manifest tag.The ui is only for presentational needs and I would like the user to be able to run the service even if the activity is not active.when I press the back button or the home button the activity's on destroy method is called and the service although seems its running (it appears on the task manager) its not behaving as supposed, it should connect to the net and send some data but every X time using an timer task but the task never fires so the data are never send.
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Feb 17, 2010
is there any way to leave a thread in background when i close the app in android? I read about a Service but implementing it is too much than i need.
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Sep 14, 2010
Suppose I have code in the onStart() handler of my Service to launch a thread to do some stuff and then call stopSelf().stopSelf() gets called before the thread finishes.What exactly happens?I've tested this out myself and my thread continues to execute until it is finished.Does Android hear the stopSelf() call, but postpone it until the thread is finished?
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Nov 24, 2010
Have to create thread and run it for 5 seconds, then I want to stop. How can I do that? I can't do anything with time/milliseconds.
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Aug 11, 2010
I'm develop a download manager function which the dialog will popup when the the item was finished download. the download function was running at background.
My question is how can I know when the downloading was finished and the project is intent other activity?
For example:
CODE:............
The above method where should I put? i try put it at onResume(), onStart() in every activity which will open by user. but unlucky it won't work.
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Jul 11, 2010
Is it possible to have a list activity that dosen't finish? i.e. if you scroll to the end of the list then the start of the list begins again? It's be best if you could also disable the scroll bar.
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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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Jan 9, 2010
I'm trying to figure out how to continuously update the coordinates of the trackball. Right now, I just want to write the values on change to TextViews to understand how it works.
I've been looking at the onTrackballEvent. Right now, I assume that each event passed as an argument to it should be seen as a complete event, that is from the start of the trackball movement to the end. Is this correct? Because if so, the values of x and y will be the same during the execution of the onTrackballEvent body. If this would NOT be the case, I could just use a timer and update the values at a regular interval..
So either I have to somehow interrupt the onTrackballEvent call and write the values, repeatedly over and over again while it is still moving, which seems weird, or...well this is pretty much were my Google search skills and Android knowledge comes to a halt.
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Nov 24, 2009
I am using soundpool to use sounds in my app. One of the sounds i need to play continuously in background. any example how to do this ?
soundPool.play(soundPoolMap.get(sound), streamVolume, streamVolume, 1, 0, 1f).
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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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Dec 24, 2009
I'm trying to use the Media Recorder to have my application continuously record audio in memory (to a circular buffer of a known size). Indeed, I'd like to be able to play back the past 10 seconds of recorded based on a certain event in my program. Much of the Media API is designed to linearly record audio to a file. Has anyone an idea on how I could best do this with or without the default API?
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Oct 17, 2010
I installed Google Sky Map about a week ago. It appeared to complete the installation and the app is working fine. But when I go back to the Market Downloads it is still displaying the animated 'Installing' bar. I have tried a power off reset, even removed the battery for a few seconds but when I return to Market Downloads the 'Installing' message is still there.
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Aug 18, 2010
When I check my logs, when using ListView, I see, that getView() method of a custom adapter is continuously invoked on first 6 elements, even if I scroll to the very end of the list.
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Jul 13, 2009
I'm having a conceptual problem with a simple application.
I have an empty FrameLayout and I want for a certain event to being continuously repeated until the finger leaves the display.
If I apply:
### code ###
frameLayout.setOnTouchListener(new View.OnTouchListener() { public boolean onTouch(View v, MotionEvent event) { myEvent(); return false; }});
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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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Jan 20, 2010
I have one simple question regarding Java TimerTask. How do I pause/resume two TimerTask tasks based on a certain condition? For example I have two timers that run between each other. When a certain condition has been met inside the task of first timer, the first timer stops and starts the second timer, and the same thing happens when a certain condition has been met inside the task of second timer.how do I pause timer1 while running timer2 and vice versa while timer2 is running? Performance and timing is my main concern as this needs to be implemented inside another running thread. By the way I am trying to implement these concurrent timers on Android.
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Apr 4, 2010
I bought a HTC hero (white, in UK) a few days ago - It worked totally fine until today! Now it switches itself on & off continuously! Unless I take battery off! The only way I can rectify the problem is if I take the SIM card out altogether, then it seems to stay switched on without a problem! I have also tried another SIM card just incase I had a fault with my SIM but it does just the same.
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Aug 7, 2010
My phone restarts continuously ! I have to reboot it without sim to turn off data and reboot again ! anyone knows what is this problem I love my phone and I really don know what to do.
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Nov 17, 2012
How to stop Flickr from running in the phone and how to bring it back after disabling the app? I installed Flickr on my Droid Rezound. I didnt know it was already on the phone. I installed the Google Play version on top of the already installed version on my phone. I tested it out and decided not to keep it. I uninstalled the Google version and found the app was still trying to upload photos. Did some searching in the phone and disabled the phone version. After that it still tries to upload the photos. I signed out of Yahoo and Flickr and it still tries to upload. It's not that I care if the pics upload, but when I've taken lots of pics the upload gobbles battery life.
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Oct 22, 2011
I've tried calling Verizon about my Droid 2 resetting almost nonstop. I can't make it through a phone call or browse the web or anything without it resetting. I had had my first one for less than a year when it started acting up. Verizon tried sending me a replacement but it did the same thing. Now I'm on my third Droid 2 in less than a year and it's resetting on its own also. I haven't downloaded any apps on this newest replacement so I don't know what's causing it. Could it be my battery or SD card? I'm just at a loss and I really don't want to get a new phone already.
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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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