Android :: Properly Destroy A Thread With Blocked Call?

Aug 6, 2010

Here is a thread example in Android SDK sample (BluetoothChat).code...

In order to destroy this thread, first to close the socket. But this thread is still running at the blocked call mmInStream.read() even mSocket.close is successfully run.

Question: How to properly destroy a thread stuck in blocked call?

Android :: Properly Destroy a thread with blocked call?


Android :: What Happens To Thread As On Destroy Is Called When Device Is Rotated

Jun 15, 2010

I would like to know as to what will happen to the thread which has been created by an activity and the device is rotated. I have observed that the onDestroy method is called when this happens. Will the thread be killed too?If the thread is not killed, how can I reassociate the thread with the activity as a new instance of the activity is created on rotation.

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Android :: Force Screen Orientation And Destroy Call

Aug 27, 2009

I want my Activity to be always in portrait mode and I do NOT want the onDestroy() method to be called. There are some interesting articles about that at: http://www.androidguys.com/2008/11/24/rotational-forces-part-four/

The solution seems to be: In AndroidManifest.xml:

CODE:...............

I've tried it and it seems to work. Is there any other alternative or is it the correct solution?

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Android :: Properly Pass MotionEvent To A Worker Thread?

Jul 20, 2009

My app forwards MotionEvents, reported by GestureDetector.OnGestureListener, to a worker thread. Right now i am doing it by calling MotionEvent.obtain, pass the obtained copy to the worker thread, handle it and recycle it at the worker thread. Is it required to obtain and recycle a MotionEvent if it is passed to another thread? Or could it safely be skiped? If i am making things overly complicated, could you please explain me at which conditions MotionEvent.obtain is usually called?

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General :: Restricted Access Changed - Voice Call Service Blocked

Jan 8, 2012

I purchased a Chinese Android mobile which has the MTK6573 chipset. It is called a Star A3.

Love the phone however I regularly see the alert/error "Restricted access changed" in the status bar and the signal drops off both SIMS. If I pull down the status bar and check details it says "Voice call service blocked".

What is interesting is that it is always the Vodafone NZ SIM card even if I swap cards between SIM slots. Other SIM is 2Degrees.

I've searched the internet but there seems very little info on this subject other than to say that some HD9 users have had the same issue and have Spice Mi 350n users.

It could be a IMEI issue but I'm not so sure.

I've turned off my SIM data connection which was linked to my 2Degrees SIM and now both SIMS manifest the same error. If I re-enable data on the 2Degrees SIM only the Vodafone SIM gives the error ***

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Android :: Call Outside Function From Thread?

Jun 10, 2010

say for example I have this code in my activity:

public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Thread cThread = new Thread(new Runner());
cThread.start();
}

private NotifyMe(){
//do something here
}


and this is my Runner class:

public class TCPClient implements Runnable {
public void run(){
//call NotifyMe() [THIS IS MY QUESTION]
}
}


I have a thread on my activity that runs the Runner Class. Once the thread start, I would like to call the NotifyMe() function that is located at the activity. Is this possible?

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Android :: How To Call New Thread From Button Click?

Apr 15, 2010

I'm trying to call a thread on a button click (btn_more) but i cant get it right. The thread is to get some data and update the images. The problem i have is if i only update 4 or 5 images then it works fine. But if i load more than 5 images i will get a force close. At times when the internet is slow I will face the same problem too. Can please help me to solve this problem or provide me some guidance?

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Android :: How Can I Pass A Context Object To A Thread On Call?

May 12, 2010

I have this code fragment: Code...

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Android :: Is It Legal To Call Start Method Twice On Same Thread?

Aug 1, 2009

The following code leads to "java.lang.IllegalThreadStateException: Thread already started." the second time it is run through on the program This happens the second time updateUI.start() is called. I've stepped through it multiple times and the thread is called and completely runs to completion before hitting updateUI.start(). Calling updateUI.run() avoids the error but causes the thread to run in the UI thread (the calling thread, as mentioned in other posts on SO), which is not what I want. Can a Thread be started only once? If so than what do I do if I want to run the thread again? This particular thread is doing some calculation in the background, if I don't do it in the thread than it's done in the UI thread and the user has an unreasonably long wait.

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Android :: Call Not Suspend Main (Calling) Thread

Feb 18, 2010

Hi, I've noticed that on android, the call to pthread_join does not suspend the calling thread. I've a number (6) of new thread created using pthread_create and pthread_join is called on each thread. But It does not suspend the main (calling) thread. I believe this relates to the port of pthread lib to android.

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Android :: Does Java Function Call Spawns New Thread For Execution?

Jun 24, 2010

Suppose i have one simple function in my program. Whenever i call that function does a new thread or process is spawned to execute the function or it is executed under the main thread memory space only.

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Android :: How To Destroy Droid Application

Aug 6, 2010

I have developed an application which is working fine.

In that i have used some static variables and also set Application level variables.
My problem is that even after setting finish() on each activity, application is showing in Running mode.

After closing the application, when i start the application after sometime, it will set the last changes.

How can i destroy my application?

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Android : Back Key Destroy An Activity

Jul 14, 2010

I have an activity defined as below:

CODE:............

A strange thing is that, when running on emulator, and the back key is pressed, the activity was destroyed (I saw onDestroy() called in log). But when running on my Nexus One phone, and the back key is pressed, the activity is not destroyed (I didn't see onDestroy() called in log).

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Android : Java - Implement A Run Method Of Thread If Create A Thread Global

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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Android : Handle Messages Between The Main Thread(the Deafult UI Related Thread) And The User Created Gamethread

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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Android :: Can't Destroy GLSurfaceView For Exit Activity

Dec 2, 2009

what puzzle me so much is that i can't destroy a GLSurfaceView while i don't want to exit the activity.
the fact is when i destroy a GLSurfaceView which had show in the screen (that means it has binded to the activity's SurfaceHolder), the activity exits without any prompting. Perhaps ,the Context which provided in the Construction of GLSurfaceView joins the two things together. so my conclusion is that a GLSurfaceView can only be destroyed when exit the activity. is there anyway to destroy a GLSurfaceView without exit activity? is there someone can provide a clue?

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Android :: Activity Receiving Messages After On Destroy

Apr 28, 2010

I have an Activity with an inner Handler. The problem is that after the activity is destroyed, the Handler is receiving messages for the destroyed activity. This breaks things because the activity is in an inconsistent state. I'm thinking this might be a bug in Android - it should probably delete all the messages in the queue when the activity is destroyed. There doesn't appear to be any way I can manually delete all messages in the queue (except by calling removeMessage(int what) with every possible variation of what, which seems a bit ridiculous). The only other solution I can think of is to create my own is_destroyed instance variable and check it in handleMessage(), but again that seems like a ridiculous hack. Has anyone come across this problem before?

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Android :: Activity Objects In Memory After On Destroy

Aug 3, 2009

I have a activity MyActivity, which "kills" yourself using the finish () method. The problem is: after the kill operation, method onDestroy is called, but the object of type MyActivity is never garbage-collected (I forced the GC run). It is causing a memory leak, because MyActivity is launched many times, by other activities. Does anyone know when the Activity object is supposed to be garbage- collected, and what can be done to avoid the issue I mentioned?

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Android :: How To Not Destroy Activity When I Rotate Device

Jul 25, 2010

I have an app that works only in portrait mode, and I have made the changes in my manifest file for every activity the orientation to be portrait. But when I rotate the device, the activity recreates again.
How to not destroy the activity?

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Android :: Programmatically Create / Destroy AppWidgets?

Mar 5, 2010

Is it possible to programmatically create and/or destroy AppWidgets?

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Android : Back Button - Kill/Destroy

Aug 23, 2010

I have one doubt about back button. If one activity is running on foreground and if I press back button then it will destroy the activity. Now my question is is destroy and kill a process is different? cause if I open DDMS I can see same process is running..Only if I stop that process in DDMS then only it disappear. Is that process will take any memory space after pressing back button..

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Android : Will Carriers Destroy Droid Vision?

Sep 12, 2010

"It's not limited to Android devices, but it seems that increasingly Android more than other platforms is shipping with the worst mobile bloatware. It's a bad trend that's going to lead to consumer backlash and it's destroying the credibility of Google's Android vision."

Entelligence: Will carriers destroy the Android vision? - Engadget

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Android : Unable To Completely Destroy Application

Apr 7, 2009

I am unable to completely destroy my app. My app is thread based app. Once i exit the app by calling on Destroy method, it is exiting properly. If i try to relaunch the application is says "The application stooped unexpectedly, try again". If i again select my app it is launching. It means in a alternative attempt its launching. as i am guessing, its not making Null for few static objects. once it shows the exception has explained above it is making all the objects null, so that i am able to relaunch. Pls can some one suggest how to overcome this issue. How to completely destroy the application?

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Android :: Update ListView In Main Thread From Another Thread

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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Android :: Use Thread With SurfaceView - Ie Draw In Separate Thread?

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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Android :: Apps Running In Background Destroy Battery?

Nov 26, 2009

Anyone using this? Sure it has a price, but this thing isnt using ANY battery life on my phone... I thought these apps running in the background (chat apps) were supposed to destroy battery? I leave this thing on nearly 8 hours a day, and hardly see any battery drain. The UI could use a few tweaks and themes, but for reliability its awesome!

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Android :: Stop Counter And Destroy Media Player

Jun 12, 2010

I am working on an app that beeps every second. When I hit the home button I want it to close the program and stop beeping. Right now it closes the program but continues to beep.

What am I doing wrong?
if ((keyCode == KeyEvent.KEYCODE_HOME)) {
isdone = true;
mp.release();
counter.cancel();
finish();
}

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Android :: Where To Stop / Destroy Threads In Droid Service Class?

Mar 25, 2009

I have created a threaded service the following way. code...

After I close the application the phone works really slow and I guess it is due to thread termination failure.

Does anyone know what is the best way to terminate all threads before terminating the application?

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Android :: Suspend / Resume Thread From Another Thread In Same App

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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Android :: Changing Background Color In Droid Destroy Widget's Appearance?

May 23, 2010

I've noticed that changing the background color of an android widget (f.ex. Button or TextView) by program:

myButton.setBackgroundColor(Color.BLUE);


makes it to loose its 3D shape, border, and shadows effects, and then appears like a ugly flat square. What am I missing?

Sorry for the very naive question but I couldn't get it right although tried for a time.

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