Android :: How Emulator Schedules Application Threads?
Sep 22, 2010
Are there any limits on the number of threads or any constraints on how the emulator (under Eclipse) schedules the application threads? I get suspended threads that don't really wait on anything but rather get bumped out from execution time. I will try using the Debug class to get some statistics on the thread alloc etc. even though the DDMS does that already. One example is, I have a simple class that simply prints a '.' every 3 seconds - well, the LogCat shows the emulator collecting garbage objects but the thread is suspended and does not print the '.'
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Apr 13, 2010
What are the advantages/disadvantages in placing a lengthy network access code in a thread in an activity or a thread in a service? How would it affect the application? I am writing a streaming audio player and from what I've read so far putting the code in a service will still end up blocking the application so a new thread is needed, does anyone know if it makes more sense to put this piece of code in a service.
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Dec 20, 2009
What is the maximum number of threads allowed per application?
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May 21, 2009
My application starts a remote service and binds to it. If I close the application with the "back" button there are still some threads running (listed in the Debug View of Eclipse) - main thread, and three Binder threads. In onDestroy() I call unbindService(service_connection) - is there something else to clean up?
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Feb 18, 2009
the thread sleeped not killed and it wakes up after 10 sec and try to post message and it causes exception. is there any way to kill the threads those are in sleep mode while exiting the application?
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Apr 8, 2009
Is there a way to reload an Android application in the emulator without closing the emulator, saving any code changes, and running the emulator again? If I make even a simple change to the layout, it takes about 30 seconds by time I run it in Eclipse and Android "boots", and I can unlock the emulator to run the application. Is there any way to shorten this time when making changes, or is it something I just have to deal with?
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Nov 8, 2010
I just bought a titanium backup license and I'm looking at the schedules feature and am a little lost in the options. The choices are kind of vague.
Anyone have a recommended list of backup tasks to do? Is the upload to dropbox automated with any regularity or do I need to do that manually too?
Right now I'm thinking backup all system data every night. I'm assuming that will get all sms and everything else. Then maybe once a week backup all user apps + system data. Will this make sure I have the newest version of my apps? Or should I be using backup all new apps & newer versions? Not really sure what the difference is.
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Nov 11, 2010
Recently dived into the Android world, buying myself a HTC desire about 2 weeks ago.
So far, I love the setup, features and feel, the only thing I'm a little worried about is a little bit of lag.
I know the phone is renown for its processor speed and RAM, but scrolling through things like my SMS threads, the application list, and Friend Stream it is a bit 'jittery' and a little laggy. Every now and then an application like Facebook or the SMS application will crash on me. And I know I'm a rather fast texter, but when I'm texting sometimes the phone cannot quite keep up with what I'm writing.
I have no unusual applications installed and do not use task killers.
Is this normal? Or might there be some reason why its functioning a little slower than it should.
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Feb 12, 2010
Being that the Winter games are starting TONIGHT! Any good Olympic apps, for seeing schedules and tracking events?
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Mar 16, 2012
I just had TiBackup pro kill my battery by turning on at the scheduled time (2am), and staying on for 5 hours -- until it brought my battery to 0%.
The battery history page shows it turned on my screen as well.
First, how I can make TiBackup never do anything ever, unless I'm charging?
Second, is there any way to know why it hung? It was running the "Redo backups for modified data" schedule.
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Mar 20, 2014
How do I have different notification schedules for different email accounts?
Both email accounts are on gmail.
1. email account is personal. So notifications are ok from the morning to the evening.
2. email account is a work account. I don't want it notifiying me or making sounds unless it's mon-Fri 8am - 430pm.
I must have person emails from the personal email be able to make notification beeps durring the weekend days but I don't want the work email to cause notification sounds during the weekend.
I'm flexible to download email apps or configure. I flexible to have one email app for both accounts. Or 2 email apps , one per each account.
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Sep 2, 2010
From my computer, I can log into my Google calendar and not only does it have my personal calendar, but it also includes the weather, US Holidays, and various sports schedules that I have chosen. On my Droid X, I was able to add the weather & US Holidays to my calendar, but not the sports schedules.
Also, I previously had a BlackBerry, and anytime I would accept Facebook events from my BlackBerry, it would automatically add it to my calendar (which was synced with my Google calendar). I don't think my Droid X has this same feature.
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Apr 16, 2012
How can we put a negative filter on Titanium Backup so that it excludes specific apps instead of selecting for it (as does the default positive filter)?
For example, I want to exclude Seek Droid from TB's "Backup New Apps" schedule, so that I will back up everything that's been recently installed, but not Seek Droid.
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Oct 13, 2010
I think it is stupid question still to make confirmation I am asking this question - Can we run android application on directly computer without using emulator?
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May 22, 2009
Strange behaviour with emulator running with Cupcake. When emulator is launched (via ADT), a SD card is mounted correctly, and I click on Camera, I have a black screen and nothing happens, I got the famous error with Wait or Force close wait, wait, wait nothing happens. I create with AVD the target 3. I'm on Windows XP SP2.
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Jul 27, 2010
I have written an application in eclipse to run on android emulator but the application is not deploying on emulator and it says Failed to load properties file for project helloworld. in the error report it says An exception for stack trace is not available. I am not able to understand what to do as i am new to android. Please help me to find d sol for this problem.
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Nov 14, 2010
I need to force an Android project created in Eclipse for the 2.0 platform to run on the 1.5 AVD (emulator). This is due to the fact that I'm writing an app that will support both the Contacts API and the ContactsContract API.
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Feb 11, 2010
How to access my web application database in android emulator, i want list out my database values. These are in my web application. database name employees and table: employee_data. i want to get employee_data data on android emulator.
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Nov 16, 2010
I'm testing a simple hello app and it's not launching on the emulator. There's no errors and the console is this:
[2010-11-16 21:26:06 - Hello World] ------------------------------
[2010-11-16 21:26:06 - Hello World] Android Launch!
[2010-11-16 21:26:06 - Hello World] adb is running normally.
[2010-11-16 21:26:06 - Hello World] Performing com.hello.HelloWorld.HelloWorld activity launch
[2010-11-16 21:26:09 - Hello World] Launching a new emulator with Virtual Device 'VirtualDevice2.2'
The emulator launches and the screen appears with the lock and my app doesn't start. Tried to unlock and go to launcher to look for my app and it's not there. Anyone can help me on this one?.......
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Oct 5, 2010
I currently found out, that my Application developed for Android 1.6 does not work on Android 2.2. I'm quite puzzled about this, because its a very simple Application which almost does nothing. The Expeption I get is like that:
java.lang.RuntimeException: Unable to instantiate application [packagename].AndApp:
java.lang.ClassNotFoundException: [packagename].AndApp in loader
dalvik.system.PathClassLoader[/data/app-private/[packagename]-1.apk]
The weirdest part is, that the Class it is searching for here does not exist and never has. The app itself does nothing than show some text in a textview. In Android 1.6 I dont get this problem and I cant see a reason, it event works in 2.1. The Manifest looks like that:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="[packagename]" android:versionName="1.02" android:versionCode="3">
<application android:label="@string/app_name" android:icon="@drawable/stop_48"
android:description="@string/Description" android:name="@string/app_name">
<activity android:name=".DefaultActivity" android:label="@string/app_name" >
<intent-filter> <action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter> </activity>
<uses-sdk android:minSdkVersion="4" android:targetSdkVersion="4"</uses-sdk>
</manifest>
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Mar 8, 2010
I have developed an application in Rhodes framework and deployed the application in an Android emulator. When I try to access the application i get the following error, SD card error, Application can't access the SD card while it's mounted.Please unmount the device and stop the adb server before launching the application. I have tried to unmount the SD card in the emulator but I am unable to do that.
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Sep 16, 2010
I'm testing an application I'm working on and I wanted to delete the database my application creates so I could read all the data from my web server back in to a fresh one.
I launched adb, went to data/data/my.applicaton.package/databases and did a "rm mydatabase". This deleted the database (note: I've done this many many times before without a problem).
I launched my application again and, to my surprise, a new database wasn't created. Even more surprising is there was data in my application. My application is still pulling the data from some where! It gets a Cursor from my database and uses a CursorAdapter to populate the list. So, it is obviously reading from a database (seemingly a cached one?).
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Aug 13, 2010
I am trying to write an android application and my workflow is as follows:
Write some code
Click run as Android Application
Eclipse then starts the android emulator
Install the app on the emulator
Run it
It seems to me that there is no need for it to start an android emulator(3) each time and to kill it. It'd be nice if there was a way an android emulator always running and eclipse just installs/uninstalls the app instead of making me wait every time.
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Dec 4, 2009
How to delete application from emulator in android?
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Jan 4, 2010
I opened my android emulator & now i like to execute my application. How much time it will take to install that application in emulator?
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Oct 23, 2010
I am in middle of learning application development. I have created an application in 2.2 and tested that in my HTC Nexus One device. I looks like fine. My client testing same application setup in his device (Droid2). I don't have that device to test.
He said there are some font sizes are vary and button alignments are missing. When I testing in my device everything looks fine. So, I need to test my application in Simulator which resembles like Droid2 device. Can anyone tell me how to create emulator and setup like Droid2. And also, is there any need to adjust my code or anything in manifest file.
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Oct 6, 2010
I'm working with Eclipse and writing an Android application. I've noticed that the load times to the Android emulator can vary significantly. Recently, I found that manually going back to the main menu of the emulator helps my application load much faster.Is there a quicker way (read: automatic way) to exit out of my application rather than hitting the Back button multiple times until I get to the main app menu? Secondly, is there something I am doing wrong that factors into the longer load time?
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Aug 12, 2010
I want to start my application when i start emulator like as Email application. I created a Receiver class "BootReceiver" and i want to print a Log from onReceive() method of my Receiver class when my emulator's boot up complete. I did two things in manifest file as below , but it's not working.
CODE:.................
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Oct 19, 2010
When testing Android layouts, I'm constantly building for three different emulators from Eclipse (with ADT), so I have to run three times and then select each one. Is there any configuration or plugin that allows me to press Run once and the application is started in all three?
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Jul 28, 2010
I am trying to built my first app in Android
Problem :helloandroid application is not getting displayed in emulator menu . but this app is getting instaled , i am able to uninstall the application from emulator. settings>applications>manage applications>com.helloandroid its size is showing 20.00kb
CODE:............................
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