Android Stops Running On Eclipse - Cannot Display App On Emulator
Jul 8, 2010
I setup Hello Android sample app on my Eclipse ( Windows XP). ADT got installed correctly. All post installation config also looks good. I setup HelloAndroid project.
I run first time . It was successfully run and connected to emulator , produced desied message on emulator.
What happened , when i tried to run same program again it stopped working at console trace ( see below console trace). I tried to reset Adb from debug view. Also tried to kill Adb from command line. I completely exited from Eclipse and restarted. At last completely rebooted PC but no luck. I never changed my code a bit after running successfully first time.
Hello Android stops at following message.
[2010-07-08 16:08:59 - HelloAndroid] Starting activity com.example.helloandroid.HelloAndroid on device
[2010-07-08 16:09:02 - HelloAndroid] ActivityManager: Starting: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] cmp=com.example.helloandroid/.HelloAndroid }
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May 21, 2010
I have issue with running apps in emulator from Eclipse. I was using tutorials from http://developer.android.com: http://developer.android.com/guide/tutorials/hello-world.html http://developer.android.com/resources/tutorials/hello-world.html
Also, i tried running sample projects delivered with SDK. Whenever i run project, emulator loads but my project is not installed. And when emulator loads, nothing happens. I was searching on web a bit, and i figured that if i restart 'server' it continues to install my app:
android-sdk ools>adb kill-server - D:...android-sdk ools>adb start-server - * daemon not running. starting it now * - * daemon started successfully *
Log:
New emulator found: emulator-5554 - Waiting for HOME ('android.process.acore') to be launched.
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Feb 9, 2010
I set up Eclipse as directed on the android development site, and ran the emulator after building one of the sample apps. The emulator comes up and just displays some text and doesn't function after that. The program doesn't even seem to run. I am following the steps on the site exactly (or at least I think I am), but no matter what program I try to run on the Emulator it never seems to function (just displaying that same message).
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Oct 30, 2010
How to run the emulator within eclipse without using ADT. All I want to do is run the emulator with -partition-size option of the emulator and you cant do this by default. Im sure there might be a tricky way of doing this but googling doesn't give me any clues. does any one know ? I also thought about running the emulator as part of a script and call the script within eclipse.
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Oct 10, 2009
When launching my app from within Eclipse, sometimes the running emulator is found and displayed in the launch dialog, sometimes it isn't?! Killing adb, the emulator and Eclipse usually helps until it happens again. Any idea why this is? I see this behavior since the launch of Android. I am running on Mac OS X. And it happened on Leopard as well as Snow Leopard.
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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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Jul 16, 2010
The same code that displays the lists running on the emulator doesn't run on the mobile (Motorola Milestone). I'm using the same android platform (2.1-update).
Inbox Code...
TextView subject_textview = (TextView)rowLayout.findViewById(R.id.subject_textview);
subject_textview.setText(email.getSubject());
String body_hint = " - " + email.getBodyHint();
TextView bodyhint_textview = (TextView)rowLayout.findViewById(R.id.body_hint_textview);
bodyhint_textview.setText(body_hint);
String sender_name = get_sender_name(email.getSender());
TextView sender_name_textview = (TextView)rowLayout.findViewById(R.id.sender_textview);
sender_name_textview.setText(sender_name);
TextView date_time_textview = (TextView)rowLayout.findViewById(R.id.date_time_textview);
date_time_textview.setText(email.getTime());
Stack Trace
07-16 14:00:49.690: WARN/System.err(703): java.lang.ArrayIndexOutOfBoundsException
07-16 14:00:49.698: WARN/System.err(703): at com.anubis.mail.Inbox.populate_list(Inbox.java:237)
07-16 14:00:49.698: WARN/System.err(703): at com.anubis.mail.Inbox.onCreate(Inbox.java:69)
07-16 14:00:49.698: WARN/System.err(703): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
07-16 14:00:49.698: WARN/System.err(703): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2459)
07-16 14:00:49.706: WARN/System.err(703): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2512)
07-16 14:00:49.706: WARN/System.err(703): at android.app.ActivityThread.access$2200(ActivityThread.java:119)
07-16 14:00:49.706: WARN/System.err(703): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1863)
07-16 14:00:49.706: WARN/System.err(703): at android.os.Handler.dispatchMessage(Handler.java:99)
07-16 14:00:49.706: WARN/System.err(703): at android.os.Looper.loop(Looper.java:123)
07-16 14:00:49.706: WARN/System.err(703): at android.app.ActivityThread.main(ActivityThread.java:4363)
07-16 14:00:49.706: WARN/System.err(703): at java.lang.reflect.Method.invokeNative(Native Method)
07-16 14:00:49.706: WARN/System.err(703): at java.lang.reflect.Method.invoke(Method.java:521)
07-16 14:00:49.706: WARN/System.err(703): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
07-16 14:00:49.706: WARN/System.err(703): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
07-16 14:00:49.706: WARN/System.err(703): at dalvik.system.NativeStart.main(Native Method)
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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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Oct 4, 2010
I have a class that is essentially a message manager (a singleton) that has a timer that polls for status. (statusPollerTask is just a derived class of TimerTask that has the run() defined)
timer.scheduleAtFixedRate(this.statusPollerTask, 0, 1000);
Several Activities register themselves with the msg-man for updates (observer pattern style) as they become visible. Works fine, except if the user presses the Home button and minimizes the app. Sometimes the timer keeps polling other times it doesn't. I need to maintain the polling even when the app is not visible. I feel like I'm just missing something simple here.
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Jul 19, 2010
I'm using Eclipse and the Android SDK for Linux. When I start my emulator at the beginning of the day it works fine. Later in the day it's sluggish and still later it won't start at all. This computer runs Debian linux, the testing branch, with 1Gig memory and a two 1.6 Ghz processors. On another machine I have, the emulator works the same at the beginning and end of the day.
It has 500M ram and a single 1.6 Ghz processor. As it turns out I cannot use the second machine for all my daily tasks. How can I get the first machine to work? Is it the number of processors? I cannot figure out how to disable a processor in the emulator. I was looking at the '-qemu' options, but none seems to do the trick. I don't understand the qemu options that well.
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Jun 28, 2010
I have a project that builds against Android v2.1 . I can run it fine on a phone running 1.5 but when I try to launch it with an emulator running 1.5, the emulator doesn't show up on the list of available AVDs. I have the <uses-sdk android:minSdkVersion="3"/> tag in my manifest but it doesn't make a difference.
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Mar 16, 2010
I downloaded the most recent version of Android for linux (android-sdk_r05-linux_86.tgz). I was trying to use the the Android Ant task(s) for packaging, building, and deploying my code. I should mention that I'm running AMD64, but have the 32-bit libraries installed. The Android Ant tasks are all broken.
First, the start-emulator task never gets the emulator running. It does get past starting adb, but then just sits there.
Second, the SDK is missing the aapt binary in the tools directory. So, the example notepad sample application will not even package correctly.
I have all the dependencies configured for Android. I can run it from the command line just fine.I assume the Ant code is out of sync with the recent SDK updates. Can anyone shed some light on this problem? At this point, I'm considering writing my own Python scripts to interact with the Android SDK. Ugh.
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May 23, 2009
I'm trying to log the phone's cell movement. So I created a PhoneStateListener that is being called when the CellLocation has been changed. Then it informs a logging service to write that new cell information to a log file.
This works as long as the screen is on. But when the screen goes off, the logging stops.
I have two classes:
The PhoneStateListener gets loaded on boot time public class CellStateListener extends PhoneStateListener { public void onCellLocationChanged(CellLocation location) {...this is the logging service which is informed when the cell location changes listener.onCellChanged(mcc, mnc, lac, cid); ... }
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Jul 19, 2010
when ever I'm running little program that I write on the emulator I'm getting: "Hello android, program_name" for example: I'm writing a little program could udp_client and I'm getting: "Hello android, udp_client" can someone tell me if this is the way it should be?
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Jun 20, 2010
In Eclipse, I have set my project's target build to 2.0.1 (right click on project folder -> Properties -> Android). In my AVD manager I have a number of emulators - one for 1.5, one for 1.6 and one for 2.0.1. How do I tell Eclipse to run the project (built to 2.0.1) on the 1.5 emulator? The "Run configurations" menu gives me only the 2.0.1 emulator...
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May 20, 2010
Just allowed eclipse to uprade the emulator. Re-booted (eclipse and the PC) and now I get this error whenever I try to run any android configuration. Error Thu May 20 15:32:45 PDT 2010 Problems occurred when invoking code from plug-in: "org.eclipse.jface".
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Nov 25, 2009
I was playing around with the Motorola MotoDev IDE, which is kind of a jazzier front-end to Eclipse, and it asks you on startup if you want the Android emulator to show up in an IDE window. I said yes. That makes the emulator show up in an Eclipse tab, like the Console, Outline, etc. After a while it became apparent that MotoDev wasn't sufficiently different than Eclipse to make it worth the install. So I got rid of it. This is on Mac OS X with Snow Leopard. Now when I start Eclipse and run any Android project, even Hello world, the Console shows the emulator installing and the APK installing, and the Intent starting. But no emulator window. I found a setting in Eclipse->Preferences->Android->Launch Settings that said -no-window for the emulator. MotoDev must have set that. That had to be it. I got rid of it and still no Emulator. So I got rid of Eclipse, the SDK, everything and did a full fresh install of everything. Still no emulator window. I can start the emulator with an AVD from the command line fine and I see it. But from Eclipse, nada.
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Sep 30, 2010
I accepted that it was bug in Helios but I now find that I'm now getting the same error under Eclipse 3.5
When I send a location from the DDMS perspective using the emulator control tab. I have a standard listener:
onLocationChanged(Location location){...}
If I break on the first line of this, having sent the lat/lon pair of 53.5/-3.0 from the DDMS tab, then the mLatitude/mLongitude in the location argument have changed to 53.508833/-3.005000 (6 dec places only shown).
The Android SDK is 2.2 in both and the target is Google APIs level 7. Does anybody else experience this or could offer a possible explanation? (It amounts to quite a big error in terms of metres on the map.)
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Aug 26, 2010
I just installed the whole shebang in order to develop android apps in Eclipse (I'm running 64-bit gentoo). Everything seems to go fine, and I created the dev group's hello-world example:
package com.nfshost.flyingmonkey.android;
import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;
public class HelloAndroid extends Activity {
/** Called when the activity is first created. */
@Override.................................
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Sep 16, 2010
I recently started learning Android, and have set up the development environment. I've created a HelloWorld like application. Basically I did nothing then create a project, and change the default display string. When I try to run the application on the emulator, it does not install the application on the Emulator.This is my Eclipse Console output:
[2010-09-16 12:06:01 - DroidTest] Android Launch! [2010-09-16 12:06:01 - DroidTest] adb is running normally. [2010-09-16 12:06:01 - DroidTest] Performing com.example.DroidTestActivity activity launch [2010-09-16 12:06:01 - DroidTest] Automatic Target Mode: Preferred AVD 'VanillaAVD' is not available. Launching new emulator. [2010-09-16 12:06:01 - DroidTest] Launching a new emulator with Virtual Device 'VanillaAVD'
Ironically, doing the exact same thing on a other computer, does result in the application being installed and runned successfully.I've tried many things to fix this problem: - Fresh Eclipse install - Android SDK re-install - Project recreation - AVD re-creation - Changed Eclipse workspace - the kill-sever command line command.Getting quite desperate here, after having tried for two days, so hope someone has a clear solution for this.
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Aug 6, 2010
Just upgraded to 3.6 after this whole Sun/Oracle JVM fix/debacle and I notices that 3.6 EE runs super, duper slow. So slow to the point that code assist is unusable. Here are some changes I made to the config to make it operate a lot better:
eclipse.ini: replace the end with this:
-Dosgi.requiredJavaVersion=1.6
-XX:MaxPermSize=512m
-Xms128m
-Xmx1024m
And turn off JAX-WS Proposals in Content Assist Window > Preferences > Java > Editor > Content Assist > Advanced. I also disabled JPA and PDE, but you might need them depending on what you're doing.
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Oct 3, 2009
I've got an AVD setup with an SD card, but I wanted to specify a different SD card image by setting a -sdcard option in Eclipse under Preferences -> Android -> Launch (I fill in "-sdcard C:sdcards sdcard96M.img" without the double quotes). But it seems no matter what I do, I always get the SD card that was created with the AVD. From the command line, the following works: emulator -avd myAVD -sdcard C:sdcardssdcard96M.img Do I need to use the command line instead of Eclipse to run this way?
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Jan 14, 2010
I need to take screen shots of an android application running on an emulator in Eclipse Galileo. Is there a built in feature for this or do I have to download a plugin of some sorts?
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Jan 26, 2010
I am not sure what's happening but whenever I try to run the project, I get the following in the console:
[2010-01-26 22:13:37 - TestProject1.0]
[2010-01-26 22:13:37 - TestProject1.0] Android Launch!
[2010-01-26 22:13:37 - TestProject1.0] adb is running normally.
[2010-01-26 22:13:37 - TestProject1.0] Performing com.testproject. Home activity launch
[2010-01-26 22:13:39 - TestProject1.0] Application already deployed. No need to reinstall.
[2010-01-26 22:13:39 - TestProject1.0] Starting activity com.greekrow. Home on device
[2010-01-26 22:13:40 - TestProject1.0] ActivityManager: Starting:
Intent { cmp=com.testproject/.Home }
[2010-01-26 22:13:40 - TestProject1.0] ActivityManager: Warning: Activity not started, its current task has been brought to the front.
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Feb 19, 2009
I'm developing on a Mac with Eclipse and the emulator sometimes doesn't seem to link to eclipse (doesn't show anything in the logcat). I just have to close and run again and it works. I wonder why this happens. Has anybody else experienced this?
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Feb 9, 2010
I have been following the Android getting started docs and when I try to run the project I get: !MESSAGE An internal error occurred during: "Launching HelloAndroid". Code...
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Aug 1, 2010
I am new to developing for android and I have a problem. I can't debug my app on the device by running ABD devices I can only see the emulator!
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Jan 5, 2014
I have set my android sdk, and reached the main activity page. But when i run the first app of hello world, nothing happens. I have also set the android virtual device manager. so in short, i've a problem that emulator is not running.
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May 11, 2010
I made each image a different color so I can tell if it is loading the right image. When I test my program on different density screens it only chooses the mdpi images. It scales them to match the correct dpi but doesn't choose the right folder. It just defaults to mdpi. In the manifest I have, android:normalScreens="true" android:anyDensity="false"
Anyone have a similar problem? I'm sure it is something simple that I am overlooking but I can't figure it out. From what I read on the Android Support Multiple Screens guide is that you should just have to put the different density images in their correct folders and Android will do the rest.
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Mar 19, 2010
I've followed this tutorial: http://anandhansubbiah.com/blog/writing-your-first-android-application/, but no matter what I do, and what I change, when I run the app, all I see is the image below. Is there something I must press to start developing? Did I add starting code. I'm completely stumped...
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