Android :: Strange Instance Of App Not Responding Error
Aug 31, 2010
A customer just notified me that she's experiencing the infamous "app not responding / wait, force close" message during a specific operation. By just waiting enough, the app resumes ok. Now, that specific operation is indeed long and in fact it has been programmed in a background thread, with a progress dialog signaling the wait. I can't reproduce the problem on my development phone - I suppose because it's perhaps faster than the phone of the user. But I can't reproduce the problem either with the emulator, which I suppose is slow enough. Generally speaking, I think I could be able to solve this specific problem with the customer giving me the proper feedback. It's the general issue that hassles me. This part of the application is very good covered by tests at different levels, including automated black-box tests with Robotium that drive the UI as the user would do, and even in "stress mode" (repeating the test multiple times). So I supposed to be very safe in that area and I'm disappointed to discover that it was a false sense of safety. What am I possibly missing? Also, is it possible / does make sense to "slow down" a phone during tests? I was thinking of a service running in background just consuming some CPU cycles to make the phone less responsive. Fabrizio Giudici - Java Architect, Project Manager Tidalwave s.a.s. - "We make Java work. Everywhere." a.net/blog/fabriziogiudici - www.tidalwave.it/people Fabrizio.Giud...@tidalwave.it -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.14 (Darwin) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
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Jul 29, 2009
I'm trying to write a basic application with http get request. Eclipse validated my code, but when I using IOException in Android console I have this strange messages:
CODE:...............
And my application doesn't load into the emulator.
This is my code:
CODE:..................
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Jan 21, 2010
I have already posted on their developer group but based on everything I've seen I don't expect a reply. I have a strange problem. When I added and adview to my app it imported a bunch of comments that all start with /** Eclipse is acting like it is not a comment. Although it isn't erroring out it has now marked anything starting with R.id as not existing. Is this something I can remedy in eclipse or is it time to chuck my dreams of being mega rich off of all the admob revenue I will be receiving? Writing code is one of few things that teaches me I don't know everything. Join the Closed Beta of Call Girl Manager http://www.fuligin.com/forums
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Jun 28, 2010
I am trying to parse XML with a simple sax parser. Interestingly i am able to see desired output in the emulator. but when i run the program on a device program shows no output. I tried many different way for example putting the XML file in a raw folder but every time no out put on device. Tried this on two different handset and everywhere get the same error.
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Aug 13, 2010
I have a strange issue. I am using KSOAP2 to create a soap request to a .net webservice. I do this in a few other places and everything works fine. The webservice basically queries a data base and takes the values from the data reader and creates a string. This string is then returned. When I run the webservice on my local machine(Without using android) it works fine. When I run it from the webserver (still not android) it works fine. When I call it from my phone however the line: String hazards = (String)envelope.getResponse().toString () ; //Get response from .net Web service Simply is filled with anyType{}. Now if I go to the webservice and I manually type in the contents from the database to represent what the string concatenation should be it works perfectly. The line: String hazards = (String)envelope.getResponse().toString(); //Get response from .net Web service Now returns the string value i need. Does anyone have any idea why this is happening or know a better place to ask this question?
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Aug 23, 2010
I'm trying to get my head around how the vram is used in opengl, specifically when and how to clean it up. The Story So Far. I have a GLSurfaceView into which I set a Renderer implementation (called OpenGLRenderThread). This view is created (manually, by calling "new") in the main Activity of the app. When the onSurfaceCreated method of the OpenGLRenderThread is called, I load a bunch of textures in a fairly standard way: the app runs fine, however when I try to clean up these textures at the end of the "level" (the app is a game. I do the following: On the emulator it works fine, but on the device (HTC Desire, 2.1) I get a GL Error 5572216 I have no idea what this error code is as I can't seem to find any reference to it. I understand that the VRAM references are bound to the thread that created them. Hence they can only be destroyed by the same thread. In my case, this thread is the OpenGLRenderThread (Renderer) during the onSurfaceCreated call.Unfortunately the Renderer interface does not expose an "onSurfaceLost" method, so I created my own. When the Level is complete, my main activity queues a request on the OpenGLRenderThread using the following call to the GLSurfaceView: According to javadoc for queueEvent: "Queue a runnable to be run on the GL rendering thread" Ok fine, so this should mean that the OpenGLRenderThread is performing the call to onSurfaceLost. This method is the one that then calls glDeleteTextures, and produces the error. what am I doing wrong here? I am not destroying the OpenGLRenderThread or the GLSurfaceView at any point (other than game exit) so I'm worried that if I don't explicitly delete the textures my vram will eventually fill up, or worse get into a corrupt state. The only other thing that may be relevant is the use of a ViewFlipper. Because I want to load each level asynchronously I am using a ViewFlipper in the main activity to flip to a loading screen while all the level resources are rebuilt. Hence when the call to glDeleteTextures is made, the GLSurfaceView is not actually visible not sure if this is meaningful or not.
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Jan 17, 2009
When I using default pre-built android-toolchain to build android on linux, the following errors occur: hucheng@hucheng-bj:~/temp$ uname -a Linux 2.6.18.5-gg42workstation-mixed64-32 #1 SMP Tue Nov 25 21:45:59 PST 2008 x86_64 GNU/Linux Have you met it before? Institute of High Performance Computing, Department of Computer Science and Technology,
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Jan 17, 2010
I was trying to make a call today, but every time I pressed contacts a TouchWiz style error message would pop-up and say "Initializing, try again later." The wording may not be exact, but that's pretty close. Then it would dump me back to the home screen. I ended up rebooting and now it works fine. But when things that should be a basic function of the phone don't work, I get kind of ticked off.
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Jun 13, 2010
Having a few problems ringing people on my phone. I get a voice saying "the number you have called has not been recognised". I looked at the number and it start 447xxxxxxxxxx I went to edit the number in phonebook and it's fine cos it starts off as 07xxxxxxxxx, i have to edit the number each time i wanna ring these person now unless they're in my previous call list! They are linked to their facebook profile but they don't store their number of facebook so why is it being converted to 447xxxxxxxxxx if it has the + before the 44 i think it would be an issue! I've never had this issue before either
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Oct 2, 2012
My aunt gave me a Samsung Galaxy S2 and everything was fine, except that it didn't let me register to the network. The next day it told me that it had to do an update so I did the update. After the update the home screen turned black and pressing the buttons didn't do anything. After a while an error pops up saying "application is not responding" and then the screen just stays black. The top bar works just fine and I can even go on the internet, play games, practically do everything. I did a factory reset by pressing Volume up + Home + Power 3 times already, but the only thing that changed is that the language turned into German.. the screen stays black. It had nothing to do with Rooting or Flashing, because I don't even know what that is.
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Mar 17, 2012
I have put any files OUT KITCHEN into the rom.zip and install this rom with recovery.
then my phone while rebooting has appeared an error "process system is not responding,force close or wait"
My phone couldn't display to main screen. I also not be installed RUU ( relocked bootloader),always error...
I'm using Htc explorer.
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Nov 2, 2010
I'm using the following to draw rounded-corner rectangles in my Android application and it seems to be working alright but with one minor problem:
CODE:.......
(Adding labels to the rectF's defined above follows) ...
The strange thing is that the two ends of the rectangle aren't rounded over the same. The left-size quarter circles are noticeably smaller than the ones on the right.
Anybody experienced anything similar? It's weird enough that I might change my mind about the round corners if I can't do anything about it.... And if I knew how to do a screen capture from my Android, I would.
The rectangles in question are 78 pixels wide and 48 tall, if that helps (and since ykatchou may be onto something).
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Jul 2, 2010
With the XML layout shown below, I have some views wrapped in a GestureOverlayView. As shown below, my first row is blended with the second row, as-if the first row is transposed right on top of the second. Now when I take the GestureOverlayView out of the code and leave everything else as-is, my table looks fine - the rows are separate and not on top of each other..........
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Nov 14, 2010
Bit of an odd one this...Every now and again I get a blank text. The sender is stated as ...
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Aug 19, 2010
I have a simple app that just initiates a wifi scan every two seconds and then logs the results. I am observing some strange behaviour, and was wondering if anyone could shed some light. When I start scanning, if the phone (Nexus One running latest Froyo OTA release) is just sitting on my desk (screen on or off, it doesn't matter), I receive the wifi scan results about 800ms after initiating the scan, fairly consistently. At most, it takes a second and a half to receive the results. However, if I get up and start to walk around the building that I'm in, the time between initiating the scan and receiving the result begins to vary greatly. What is interesting is that I start to see a pattern where it will take about 40 seconds to receive results, then I will get three or four results two seconds apart, then it takes 40 seconds to receive the next set of results, then I get three or four results two seconds apart, etc.
I've tried obtaining a wifilock, both the FULL and SCAN ones, and that doesn't help. Same with a partial wakelock. I've also tried setting up a thread that pings the supplicant every second and reports when it is unreachable, and it appears to always be responsive (ie., I never see the report). I thought that maybe the problem was that I am unable to receive the result of scans when I am switching between base stations (which might happen when I move around), but if I manually switch between two different networks, it does not cause a delay in my scans (ie., I can still get the results with only a one second delay while it's associating with the new network). Anyway, for my application, it would be incredibly useful to get wifi results at a fairly consistent rate, and so I was hoping that someone on this list might have some suggestions as to how I can achieve this.
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Apr 1, 2009
I am a C programmer before, and I am looking into android source code right now, some JAVA syntax is confusing, I am not sure whether or not it's android related, see:
CODE:..........
1) What's the meaning of Override? Is it ommitable?
2) What does the "synchronized" mean?
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Jul 7, 2010
I need to retrieve the orientation of my phone. At the moment i wrote this :
CODE:................
This code allows me to get the orientation of the phone if i leave the phone on a flat surface and i rotate it over the surface.
What i did not understand is why if i move the phone upwards the value of this.actual_orientation[0] ,which is the rotation on the zed axis as described [here][1], the value increases although there was no rotation.
Did someone know what happens?
Another strange thing..
I tried my application in the office at work and it had the strange behaviour i described before..
I tried in the same office(same situation) a compass app that i took from the market and it has the same behaviour of mine..when i moved the phone upwards the value changed consistently..
I tried in the same office(same situation) the i-phone compass and it didn't have that strange behaviour!
Then when i arrived at home i tried both, my application and the compass app of my android phone, and they worked!even if i move upwards the phone the value are stable...
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Apr 2, 2009
My application has 2 activities. The main activity will create the "child" activity through startActivityForResult((...). When the child activity needs to exit, it calls setResult(..) and finish(). Child activity will start and exit multiple time upon user selection. The activity are start and exit as expected and onAcitivtyResult(..) also got invoked.
However, I found a problem with child activity, when the child activity was created the second time ( Main activity called startActivityForResult(...) upon some user event ), a new instance of child activity was created, but the displayed is the FIRST instance child activity! ( so any state in second instance of child activity was not accessible ). The onKey(...) was always go to first instance of child activity. Make things more interesting, the getInstanceCount () returns 3.
I have checked the code and no where holds the first instance of child activity which should be garbage collected after finish().
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Apr 9, 2009
Is there a way to prevent the user of opening more than one instance of my application?
For example: User clicks on App and opens it. The user clicks on the home button. (the app is still running in the background) The user clicks on (not the menu button, but the button above it in the homescreen), and then opens the application again. Does it open the same instance, or does it create another one? If it does create another one, how can I prevent it from creating another one, and just opening the existing instance?
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Jul 9, 2010
Is there a way to get an instance of the activity that has called the currently running activity from the intent object that has been passed to it? eg. if A has called B, I would like to retrieve A's instance from the intent in B's onCreate method. As Activity is not Serializable i am not able to pass the instance in the extras bundle.
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Sep 7, 2010
I have two activities.A and B. A starts B.Both are running in the screen and both are visible. Say now B is visible.
On a special key press, I want to bring the A to the front and make it active. The problem I am facing is when the special key is pressed, another instance of A is launched and the new instance is brought to the front.
But I want the original A to come to the front. I want to make this change in the framework layer rather than application specific by using the singleInstance theme in the launchMode in AndroidManifest file.
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Aug 28, 2010
Last night I downloaded antivirus free by droidSecurity inc.I ran a scan and it said I had something suspicious but would not allow me to view any details. Eh lame, I removed the app and jumped into bed.Today I was out driving around and got a warning my internal Phone memory was low. I took a look and it said 150 MB free.so I rebooted the phone and maybe I was being dumb because I thought you could cancel the SIM password and use the device as a PDA with no access to make phone calls.Anyhow I restored my clockwork recovery nandroid backup from a couple of days ago and now things seem better. Phone has 0.9 GB free.Are there any good applications to help manage the available memory on the phone?
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Sep 8, 2010
I am getting following exceptions when I try to read/delete contacts from my application using Contacts Content Provider. What does the following mean? ERROR/IMemory(1349)
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Jul 9, 2010
In my activity I show the camera preview on a surfaceView. It works perfectly fine on Nexus One and HTC Desire, but on Samsung Galaxy S I see strange lines, weird proportions and everything three times. see the Screenshot below.
The issue seems to be similar to this one: http://stackoverflow.com/questions/2053440/camera-preview-on-androd-strange-lines-on-1-5-version-of-sdk but none of the comments there helped. I tried to swap height,width for the camera parameters, but not much of a difference.
(Side note: my activity is always in landscape mode, fixed. I have that fix in my manifest as screenOrientation parameters, in case that matters somehow).
The code of my SurfaceHolderCallback (the relevant inner class in my activity):
CODE...................
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Jan 13, 2010
I am developing the camera module for an android application. In main application when user clicks on 'take picture' button, new view with SurfaceView control is opened and camera preview is shown. When users click on dpad center, camera takes picture and save it to the disc. Pretty simple and straightforward.
Everything works fine on my device - HTC Tattoo, minsdkversion 1.6...but when I tested application on HTC Hero minsdkversion 1.5, when camera preview is shown,some strange lines occur. altough preview is crashed, taking of pictures works fine
Here is the picture:
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Jun 24, 2010
Is there a way to know if there is an instance of your widget currently on the homescreen? I always end up using variables that change state with onUpdate() and onDeleted() calls, but that obviously that isn't effective in every scenario.
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Nov 22, 2010
I have referred the example given on: http://goo.gl/1uxXv , But it is not showing the exact DatePicker dialog as given in the book example, what i should do to display the same dialog box or Calendar instance in my application ?
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Nov 6, 2009
Im creating a mail application, where i need to start a service instance for every account, which will check for the new mails for that account. Now my problem is that i want to identify how my service i have created so far (by calling startService()). And also i want to stop a specific instance of service. I know that calling stopService() will stop all the instances of that service. Is there any work around to it.
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Nov 17, 2009
I am trying to do the following.
I have an Image viewer where in the user picks an Image from within the gallery. The uri to that selected Image is available to me. Now, I want to use this URI information and send it as a file over a socket using FileInputStream. Is this a valid syntax to perform the above action?
CODE:..............
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May 9, 2010
I have a bunch of tab activities (which I implemented myself, didn't want to use the tabviews with activities inside them), so It's basically 5 activities calling each other every time the user clicks on the tabs displayed as a row of LinearLayouts at the bottom of the screen.
The thing is that the way I do it now, everytime the user jumps from one activity to another, a new activity is created and launched. Of course, I can see I'm wasting resources this way. So what I would like to do is to create every activity only once; and then if the user wants to go back to the previous (or any one that was already created and is probably paused) just check on some kind of list or array to see if the activity can be recovered and only in the case it can't; to lauch a new one.
My question is, how can I check this? should I save the intents? and how to recover the activities afterwards? I'm kind of new with java.
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