Android :: Post Messages Across Processes By Using Handler?

Aug 13, 2010

I have to post messages from one process to another process by using handler .

I am using Handler.post/Handler.sendMessage but i am not getting those messages in another process. I am not getting any exceptions also.

Is it possible to sent messages across processes using Handler?

If it is the case how can i do it?

Android :: Post messages across processes by using handler?


Android :: Activity Still Lagging When Run Stuff In Service And Handler.post Method / Do This Correctly?

Nov 18, 2010

I'm confused why is my activity still lagging, I use remote service that has few methods and each has its own work like download stuff, process data, compare stuff, etc... It will run in background and update data at selected intervals and notify user of changes over notify system.

The reason why remote service, because I will eventually add a widget, and service needs to stay running even if android kills the activity, so I unbind it on each onPause().
But as far I understand that part doesn't cause my issue.

But back to my problem... so my is Activity still lagging when I run stuff in service and handler.post method.

here is the code...

Also I wanted to add progressDialog to be updated in updateLayer(...) through Activity is a listener to this service, but thats not working well. Whats the best way to update progressDialog? Ever listener, handler, intent, or what?

So how do I do this correctly?

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Android :: How To Delete Delayed Messages Before They Arrive At Handler?

Dec 28, 2009

My Problem is that I need to send messages with a delay of 1 second. The handler then initiates some action, you're getting the picture. There are nevertheless some conditions in which the already sent message should be deleted ( before the second elapsed ) to prevent the handler from doing anything. I couldn't figure out how to do this ( or if it's even possible ), so If anyone of you has a clue, please let me know.

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Android :: Sending Messages Of Different Types To Android Handler

Jul 5, 2010

Is there a way to distinguish between types of messages sent to an Android Handler? For example, I have 2 background threads and would like the handler to recognize which thread a message came from.

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Android :: Share XMPPConnection - Post XMPP Messages In Main Activity

Nov 23, 2009

I need to be able to post XMPP messages in my main activity AND a service that I am running in the background. How can I pass all the XMPP information (including XMPPConnection) to the service so it can use it without twice logging in? Currently I have it setup so I am making 2 XMPP connections. This works, my service continues to send XMPP messages UNTIL I try to send a message in my main activity, then the app force closes. Im assuming because I have tried to login to the service twice.

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Android :: Create Service That Will Post Messages To Activity Periodically Using Timer?

Jul 30, 2009

How to create a service that will post messages to an activity periodically using timer?

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Samsung Galaxy S :: Post Your Post Your PingChat ID

Oct 30, 2010

Post your PingChat ID here lets enjoy together.My ID : talktoanil

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Android :: Are Processes Kept Alive When Nothing Is Being Done?

Feb 8, 2010

I have an app which declares a BroadcastReceiver, the receiver gets the broadcast, does what it needs to, then ends ensuring that everything is tidied up as needed. When I examine the system through the DDMS view in Eclipse the process for the application is still running after the receiver has completed. I've even boiled it down to a simple test case which gets a shared preferences instance from the context, checks a random setting, and then exits, and, when run on the 1.5 emulator (which is the minimum supported OS level) the process is still hanging around.The reason this is an issue is memory usage (which shows under DDMS as around 2MB).I've had queries about why the application still uses up memory even when it's not doing anything, so, my question is; Is this behaviour normal, or have I missed something that would make the process exit?

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Android :: MemoryFile Between Processes

Jun 22, 2009

I've been able to send data via shared memory between threads within a process using MemoryFile.I then tried to send data between a service and an activity in different processes, but the data did not get passed. The name for each call the MemoryFile's constructor was the same.Is it possible to share data between processes using a MemoryFile?

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Android :: How Does A Singleton Behave In Different Processes?

Mar 23, 2010

I have a singleton class and I am using it to access databases. I would like to know how it would behave if I use the same from my remote service class which runs as a separate process. Will it create a new instance in that process or will it use the instance from the other process?

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Android :: Background Processes Not Being CPU-limited?

Apr 19, 2010

We were told that, as of Android 1.6, background processes were put in a Linux process scheduling class that limited how much CPU they would use. A few weeks ago, I ran a benchmark test that seemed to validate this claim.I have run more tests, and I am no longer confident in my earlier conclusion. I can get a background process to significantly impact the foreground process, more than would seem to be possible if the background process was, indeed, CPU-limited.

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Android :: Nexus One DDMS Only Two Processes

May 1, 2010

I'm having trouble using the nexus one in DDMS on Fedora 12. It is detected fine and I can see two processes, cooliris and uploader.These are the only two that show up. The emulator shows up just fine and i can debug from there. Does anyone have suggestions on how to get the nexus to connect properly?

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Android :: When Is Appropriate Time To Use Separate Processes?

Nov 4, 2010

I have read all about having separate processes for different Application components, and how to use them.I am curious, what are some appropriate use cases for when an application should actually use separate processes?It seems to me, the main advantage to using separate processes is to make the different portions of your app more easily killable by the OS.

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Android :: DDMS Does Not List Processes

Feb 15, 2009

I've been trying to locate some excessive object creation to deal with hiccuping caused by the garbage collector (any word on upcoming improvements to this, btw?), and have discovered that DDMS is the tool for the job.I shut down eclipse and booted up DDMS, and it finds my device, but lists no processes running (no matter what I run).Initially, it did list the "powermanager" app that I had installed, so I assumed this was causing some kind of conflict and uninstalled it and rebooted my device.Now it simply lists no processes.

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Android :: How To Share Data In Different Processes?

Nov 23, 2010

I wrote a JAVA application with native methods, and trigger encoding program in native methods. That makes two processes, one is application process, another is encoding process.I would like to know if there is a way to get encoded data from encoding program and pass them to JAVA application.

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Android :: View Cpu Usage Of Processes

Oct 20, 2010

Is there a process manager or task viewer for android that shows how much CPU percentage each process or even each thread in a process takes up?

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Android :: Two Processes Are Created On First Running Of My Application

Mar 4, 2010

Some times after installing my application and first running my application is creating two processes as follows.

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

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Android :: Instantiating Activities Into New Tasks / Processes

Jul 28, 2010

I have an application with a multi-instance activity. I would like each instance of the activity to appear in a new task and process. Any suggestions on how to do this? By manipulating the manifest I can cause all instances of the activity to appear in a specific task and
process, but I haven't found any way to cause each instance to appear in a different task and process.(The requirement to have different tasks is that we want each instance of the activity to appear separately in the task list; the requirement for different processes is that each instance of the activity is backed by a chunk of native code with global state. We can't change either of these.)

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Android :: Debugging System Processes In Eclipse

Jan 18, 2010

How can I debug some system process (...acore), for example, the status bar, in Eclipse ? I couldn't find any help online yet. I'm able to debug a normal application, but not system threads (windowManagerSevice etc).Also, when I open the Android source in Eclipse using the official instructions, I get build errors, is it OK ? (already executed "make" successfully)

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Android : Get Hprof Dump For Other Processes From App Code?

Jun 16, 2010

In my application , i have an option to capture the hprof dump. I used

android.os.Debug.dumpHprofData (String fileName)

Initially i though the hprof data generated by the method above is for the entire device , which is not so . The hprof data generated is only for my process.

Now i am trying to generate hprof data for other process as well. I need to get the Hprof dump for all the running processes from application code.

from adb shell i tried "kill -10 <pid>" , This command will generate the hprof file for the corresponding process in the data/misc folder.

Now the problem is this command is working perfectly from the adb shell prompt , but i am not able to embed the command to mycode.

My code is like

Runtime.getRuntime().exec("chmod 777 /data/misc") Runtime.getRunTime().exec("kill -10 <pid>")

No exceptions are thrown , but somehow it is not working. The same code above is capturing Hprof dump for my process, when i give my process ID.

I tried with "android.os.Process.sendSignal (int pid, android.os.Process.SIGNAL_USR1) ;" also.Getting the same problem.It is capturing Hprof dump for my process. For other processes it is not working.

Do we need to have any special permission to kill other process from our process ? Or is it a built issue ? can you please suggest some possible way to get Hprof dump for other processes from application code?.

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Jul 22, 2010

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Android :: Set URI Handler ?

Aug 12, 2010

I am working on an application wich has its own URI prefix. (dchub:// in this case) is there a way when someone open his browser, clicks on a link starting with dchub:// my app starts using this address? so far found a lot of examples the otherway around opening the browser from your app but thats not what i'm looking for.

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Android :: Share Files With Different Activities Running / In Different Processes In Application

Mar 16, 2010

I would like to share a cache file across activities, which are running in different processes but in a same application.So, is there any way to make it thread safe (probably not "thread safe", should we call it "activities safe" or "process safe" ?

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Android :: Check Memory Consumption Of Each Running Processes Individually With SDK?

Apr 7, 2010

I would like to check the memory consumption of each running processes individually, cat /proc//statmis ok, but opening a shell for each check is time consuming, and maybe not the best way. any advices how to do it with the SDK?

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Android :: Game Doesn't Work Due To Thread Background Processes

Mar 8, 2010

I have written a very simple game with some simple animations, but I've noticed that when the phone checks email, or several other apps are running, the animations that update in my thread start behaving slowly or choppy. This is a problem as the game mechanic requires some careful timing of your screen touches based on the animations. So if it starts behaving erratically, the game doesn't really work well - and isn't much fun.
Is there a way to prevent this? Can my threads have a higher priority when they need to run?

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Android :: Anti-Task Killer To Keep Droid From Closing Processes?

Aug 23, 2010

I subscribe to the church of not using a task killer but what I really would like is an app that I can select programs I don't want android to kill.

An example of why I want this: theres 3 to 4 websites I view for the most part on my phone. I like to open my browser and get it all set up in tabs on Dolphin. However, if I don't use it for while, I re-open the browser to find it had been closed and I have to repeat.

I'd use this in conjunction with the app that monitors CPU use (forgot what it was) and gives a notification if an app rises over a customized threshold in case the app started getting too hungry.

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Android :: How To Implement A Handler

Jul 20, 2010

I've got 2 classes GLLayer and GLCamTest. I'm attempting to run a method located in GLCamTest...

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

I'm looking to run in on a thread from GLLayer but from what I understand I need a Handler..

CODE:.........

I'm starting the Thread from within public void onDrawFrame(GL10 gl) { my question is how would I implement said handler? I've read http://developer.android.com/reference/android/os/Handler.html but I still don't really understand how I'd implement it.

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Android :: What Exactly Is Handler And Loopers

Jun 29, 2010

I am very confused about handlers and looper can anyone plz explain it in simple terms to me any good links would be great.

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Android :: Handler Vs AsyncTask

Mar 26, 2010

I'm confused as to when one would choose AsyncTask over a Handler. Say I have some code I want to run every n seconds which will update the UI. Why would I choose one over the other?

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LG Eve :: Want To Kill Application / Processes

Sep 27, 2010

After searching, I was unable to find any post that deals with my particular problem, and I don't know if it's a problem or something I have to deal with. On my LG Eve (unlocked, not yet rooted), when I run Task killer, I notice that there are two items in the list that look like configuration files (window with a gear in front of it):
com.tni.Task killer:Captain Obviously, the first one is linked to Task killer and if I kill the configuration file, it kills the Task killer process. When I try to kill beware.com, though, it does nothing. The file remains in the list and is also visible in the Task killer widget. (Speaking of the widget, when I kill Task killer, the icon for the 2 configuration files usually remain, even if I auto kill everything.) Doing a little searching on the tubes, I found that beware.com are the developer for Quick Settings. I don't think I downloaded that app yet, but I might have and subsequently deleted it. Is it possible that the configuration file remains after I un install an app? If so, how do I remove that con fig file?

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