Android :: Multiple Process On Separate Development Flow
Jul 14, 2009
I need two activities run in different processes in the same application. Now I have made it work by specifying the different process name in "android:process". But I met a problem, from http://developer.android.com/guide/topics/manifest/application-elemen..., we have only one superclass of Application will run before the activity starts(I have tested it, and each time a after new processes start, this Application(its superclass) will run before activity). But, my two activities have two different superclasses of Applications.
So, how to make Applications for different activities run for its corresponding activity? If there is no way to use different Application class for different activity, how can I make a flag for the common Application superclass to judge which process(by getting its name) is running? BTW, the two activities were on the separated development flow and I am trying to merge them.
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Mar 15, 2010
Being interested in Android development and still in the experimentation phase - there's something I haven't been able to grasp. As far as I've been able to understand, the process lifecycle and application lifecycles are separate and as such, it would be possible for the application to still to exist, even if it's process has been killed. So I guess my question would be, in what scenario could this occur and how is the application accessible if the containing process has been killed?
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Sep 2, 2010
I have an application and i want this application should be listed in Setting screen and can be initiate from there as a separate process. How i can do the same.
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Mar 3, 2010
I facing problem with multiple process running for my application. Can any one help me to avoid creating multiple process or restricting process creation to one.
Some times I am seeing two process instances of my package in the process list. I want to avoid this.
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Jul 14, 2010
Can an Android process ever host multiple Dalvik VM's? If so, what scenarios can cause this to occur, and what would be the benefit of having multiple VM's in the same process?
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Sep 2, 2009
Making separate service app and separate activity app. swapnil kamble
- Hide quoted text -
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Feb 3, 2010
I am trying to set up multiple Android development environments on single Linux Debian machine. Everything works fine for one user. But whenever second user on the same machine tries to launch Eclipse (with ADT) there is an error displayed, that 8700 port is being used. Therefore, the second user is unable to debug. I have researched this issue myself and tried following solutions, but I am yet unsuccessful: 1) I have changed the DDMS port in Eclipse, for the second user to 8740 (Window -> Preferences -> Android -> DDMS -> Base local debugger port). No use: Eclipse still opens 8700 port for listening (showed by netstat and strace). 2) I have run the DDMS before running Eclipse, changed the port in it to be 8740 (File -> Preferences -> Debugger -> Port of selected VM). Not handy to have DDMS running outside Eclipse, Eclipse still opens 8700 port for listening. 3) Tried looking in the source code of ADT, found the reference where the 8700 port is passed and opened, it looks ok though and leaves me without a clue. 4) I have found several similar threads, but none of them helped my case (piled below for reference): 4.1) http://groups.google.com/group/android-developers/browse_thread/threa...
4.2) [url]4.3) [url}
Using: Eclipse 3.5.1 ADT 0.95 Debian Lenny
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Dec 13, 2011
Actually I am checking the code flow of NFC in Android-ICS.But i got stuck because of some files are not present in ICS.
Like :
GB code -> WriteTagActivity (to write into a TAG)
ICS code -> no files.
Some more files are also missing in NFC and TAG.
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May 21, 2010
Sometimes the DDMS in the Eclipse not listing the process.
To do the debug in this condition,
1) Is their any way force the DDMS to list the process?
2) Any command to attach the process from the command line?
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Feb 21, 2009
At a certain point in my program, when I'm completely done with my service, my activity executes unbindService() and stopService() -- yet the process persists. I can tell that it persists because I run "ps" in "adb -e shell":
CODE:.............
"adb logcat", I can show you the sequence of events:
ACTIVITY: context.unbindService(serviceConnection);
SERVICE: onUnbind();
ACTIVITY: stopService(serviceIntent); & returns true!
SERVICE: onDestroy();
First, my activity calls unbindService(serviceConnection). According to the documentation, unbindService() will "Disconnect from an application service. You will no longer receive calls as the service is restarted, and the service is now allowed to stop at any time." So that is fine, and it is happening.
Appropriately, we see the onUnbind() call happen on the service side. According to the documentation, onUnbind() is called when "all clients have disconnected from a particular interface published by the service." So this confirms the correct service connection is being passed, and that the service is responding accordingly.
Next, my activity calls stopService(serviceIntent), and returns true. According to the documentation, stopService() does the following: "If there is a service matching the given Intent that is already running, then it is stopped and true is returned; else false is returned." Again, this is happening and returning true.
In response, the service's onDestroy() method is called. According to the documentation, onDestroy() is "Called by the system to notify a Service that it is no longer used and is being removed. The service should clean up any resources it holds (threads, registered receivers, etc) at this point. Upon return, there will be no more calls in to this Service object and it is effectively dead."
At this point I expect the process to disappear from the process table. Yet it remains indefinitely. But why?
Also, the process is so persistent that I can bind to it again, and I see that it is the same exact process responding because the PID (process ID) is the same!
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Nov 24, 2010
So, I decided to give Tridents ROM a try about 10-minutes ago.
I used ROM Manager, backed-up my old ROM, then downloaded Velocity 0.2.
Now, my phone will do nothing, it turns on and shows the red Droid eye, then when it's time to go to the home screen I get pop-up after pop-up saying that "The process com.android.phone has stopped unexpectedly. Please try again."
I have no way of getting on my phone at all, what can I do?
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Nov 12, 2010
I Just installed a new theme (Live Wire) for my Lithium Mod Rom. Don't know if there is a connection, but when I need to update an app, I get the message something like "process android media process stopped unexpectedly" and it will not allow the update. Everything else works well. I have turned it off for awhile, and have done a battery pull.
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May 11, 2010
Every 5 minutes this error pops up "Sorry! the process android.process.acore has stopped unexpectdly. please try again." It doesnt actually close anything. It pops up even when im not in an app. So it's more annoying than anything.
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Feb 9, 2010
In android, can you please tell me if there is a way to layout text around an image? Like this: ------ text text text | | text text text ----- text text text text text text text text text text text?
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Jan 11, 2010
the app I'm trying to implement allows the user to select a sound file (MP3 or WAV) to play at a specific date and time showing a dialog with a progress bar and an OK/Cancel button allowing the user to stop the playing of the sound file. I want it to behave something like the countdown apps I've seen or even the built-in alarm clock app. As I'm implementing this simple (I thought!) app, I'm trying to better understand the platform and make the application conform to the Android way.
As I've been writing the app, I learn more about how things are supposed to work on the Android platform. And here's where I'm getting a bit confused. During my attempts to get the alarm to fire and display, I'm learning that properly formed Android applications are not supposed to show dialogs as a result of a background service or broadcast receiver being invoked through Android's alarm service. Instead, I think, the app is supposed to use a notification on the status bar to alert the user. The user then has the option to look at the notification to see what the app is trying to tell them..............
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Feb 3, 2010
I think that I've found the problem I am having with AccountManager that I described in an earlier thread that got no responses on the board.
I think it is a problem with the way that the Activity Stack is working during the OAUTH workflow. Here's the workflow as I see it. I found this problem by separating out my Activity, which I'll call M, from the oauth Activity, which I'll call O. In the course of authentication, the web browser is invoked and let's call that B.
When a user needs to start over with authentication, my application, through Activity M, starts Activity O. That, in turn, generates some magic URL that is sent to the web browser. So the browser is fired up and information was sent to the OAUTH provider to do a redirect back through the browser back to Activity O.
So, this how the OAUTH workflow looks up to the browser: M -> O -> B
At this point the user logs in and hits the Accept button and the browser then invokes my BROWSABLE activity, which, again, is O. I had thought this would unwind the above stack, but it seems that above situation disappears and what I have after the user hits Accept in the browser is this: B -> O
What I did to work around that is that I put a startActity(M) in O and that seems to work, but it is a workaround.
I believe there is something that I could do with launch modes or activity modes to fix this problem and maintain the original activity stack.
All that is happening, really, is that the O activity pauses for little while, then comes back with the goods, the login credentials. But when I tried to return the information via startActivityForResult (), nothing. Because M is no longer on the Activity Stack.
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Feb 12, 2010
Can you please tell me if there is a way to layout textaround an image?I have gotten a response from an android developer about this question. But I am not sure what he means by doing my own version of TextView? Thank for any tips.This is not possible using only the supplied widgets and layouts. could write your own version of TextView to do this, it shouldn't be hard.
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Jul 30, 2010
I'm using Xperia x10 mini. Whenever I try to add a contact to my phonebook, before clicking save this message appears: "The process android.process.acore has stopped unepectedly. Please try again." And I have no other choice but to click "force close"... Another thing is, even though my contacts' names appears in the messages in my inbox, when I click on the phonebook icon, the phonebook is empty...
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Feb 1, 2010
Are the processes in android asynchronous? If they are asynchronous then how can we conclude when the activity or process is finished or completed its execution.
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Aug 13, 2010
My first activity is creating a second activity within its onCreate:
CODE:............
The second activity has EditText views for the username and password along with submit and cancel buttons. When either button is pushed, the text from username and password is sent back to activity one (via onActivityResult), which connects to a server to see if the username is available. While connecting to the server showDialog is used to show a ProgressDialog. When the server responds, the ProgressDialog is dismissed and an AlertDialog is shown. This works fine as long as the device is not rotated.
Here's the problem: if the user rotates the device from within the second activity and pushes submit, the first activity re-invokes its onCreate, which ends up launching the second activity again since the username and password are still null.
Does anyone have any suggestions to get around this?
Is there a method that could be used to pass data from activity-2 to activity-1's onCreate? I wouldn't want to use a database in this case, as that seems like overkill.
I've thought about containing the server communication and dialogs to activity 2, but then I'd have duplicate server code in activity 1 and activity 2 (activity 1 connects to the server for other things too). Another issue I'd have with this approach is that the user has an option to cancel creating the password, in which case I want the app to finish. If I called finish from activity 2, activity 1 would appear and I don't want that to show unless a username and password have been created.
It just occurred to me - if I could replace activity 2 with a dialog it might make things simpler. The dialog view needs to have 2 EditTexts and 2 buttons. Can I create something like this and use the showDialog method?
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Oct 7, 2010
I'm seeing that it would be good to have some sort of charting scheme (or possibly just a table-based design strategy) when designing Android apps.Have any such schemes been proposed?
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Oct 4, 2010
My activity has a set of buttons on the left half of the screen and a ListView on the right.Initially the focus is on the first button. When I browse the buttons by pressing DOWN arrow key and then press the RIGHT arrow key, the focus does not go to the topmost list item. Instead, the list item correspondingly on the right gets focused.Is there a way that when I press the RIGHT arrow key, the focus goes to the topmost item on the Listview?
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May 14, 2010
Will there be any cover flow on the evo and will you be be able to use the music player in landscape mode. I asked this a previous thread figure I would bring it back up.
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Sep 11, 2010
So since I got the phone on Thursday, at random, I'll get these popup crash messages, that say "The process com.google.process.gapps has stopped unexpectedly" it has a "Force Close" button, which doesn't seem to change anything other than to acknowlege the message.It will happen at random, sometimes while I'm on the home screen, or sending a text message, but more recently, as I was trying to manage & link contacts. When I searched for this message it seemed to be related to people using Gmail, but I always get this message when I'm doing other things and not even touching my Gmail account.
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Sep 19, 2009
I bought a new phone, but I can not run it.
I get the following information: "Sorry! The process com.google.process.gaps has stopped unexpectedly. Please try again".
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Apr 17, 2010
I've searched around the forums (here and SDX forums) and although it seems the few people that had this issue were able to solve it, my case seems a bit different.
It's different because of the people I've read solving the issue, it was a problem with something they changed / removed with gmail / gmail storage or talk / talk storage. And when they cleared the cache or re-installed the problem went away. Also, it seemed that the same people had a problem with downloading from the market...
Neither of the above apply to me, but yet I'm still getting this FC error all the time!
I was helping a friend with their CL14 Moment out of the box...and went from stock 1.5 CL14 to 2.1 DD03 w/Joey recovery to EclairDD10 and v5 root. I then did the streaming media fix, and then the private app (build.prop) fix (all previously done with my phone no problems). I did all of these update right in a row, and after my last re-boot the FC error (process com.google.process.gapps has stoped unexpectedly) started showing up and won't go away.
The only .apk / odex files I removed were the preloaded Sprint apps
Does anybody have any other ideas on how I can get this FC error to stop? I've tried clearing the cache / data for all the mail / talk apps, rebooted, cleared dalvik cache...
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Sep 17, 2010
Keep getting this message "The process com.google.process.gapps has stooped working unexpectedly. Any thoughts on what this is and how to resolve?
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Nov 9, 2009
Does anyone know if there is a way turn off the text flow in the Hero's browser? I hate how when I pinch to zoom, it auto text flows and throws me onto some random place on the site...pretty annoying. I have to then search around for where i on the site I was before I did the pinchzoom
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Aug 2, 2012
New to Android and to Dolphin Browser HD. I've Googled for days, however, I have come up with squat.
1) When I open a new tab, can it automatically go to my homepage and not the "Speed Dial" sort of page it does now? Any add-ons that might enable this?
2) Does Dolphin Browser HD do automatic text reflow? And, if not, any other browsers that can do this? It is pretty tedious now trying to read pages that aren't re-sized for mobile.
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Aug 25, 2010
Is there a way to craft a daemon process as to make it "unlistable" to a process viewer?
OR
is there a way to dynamically change a process name?
I'd like to design a security application without having to modify the firmware, if possible (yes I know about "security through obscurity"...).
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