Android :: "Poke" Droid Application That Adheres To Observer Pattern Via Emulator?
Nov 22, 2010
I've got a small android application that implements the Observer pattern.
I want my "subject" (or the thing being observed) to change its state, such as changing its String from hello to hello world.
How can I do this via the emulator?
I need my (observing) android application to still run in the foreground so it can display whatever is being observed, but I need to find some way to alter the state of the observed object, is it possible to do this via the command line? How else can I "poke" the observed object to change its state.
One dirty-hack method I can think of is to set the observed object up in a loop, so every 10 seconds it changes its state, but that is not good as then I won't have control over it.
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Apr 8, 2010
I have an Observable and an Observer. The observable does download some stuff in a background thread and calls notifyObservers to let the observers read the status. At some point in public void update the observer tries to updates the GUI Is there some way I can prevent this from happening? I'm sure I'm missing something obvious here.
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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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Dec 4, 2009
How to delete application from emulator in android?
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Sep 25, 2009
Currently I am writing an Android application which uses WikiTude API. I installed the WikiTude browser application in the Android SDK emulator from Android Market (To get Android Market in emulator I followed this link http://forum.xda-developers.com/archive/index.php/t-529170.html).
When I run the WikiTude browser application in emulator it asks me to set location settings. I enabled "Enable GPS satellites" option & run the application, again it make an alert for location settings. I am not able to run this application. Please help me.
Can anyone tell me is it possible to run GPS based application in Android Emulator? Or not?
If it is, Is there any work around to run GPS based application in emulator?
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Sep 2, 2010
I want to create a contact list application in my android phone.i want to retrieve all the contact list from emulator and the contacts should be listed.
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Apr 20, 2009
We are writing our own application to substitute G1 standard screen lock (where you have to draw a pattern between the dots on the screen). Unfortunately, I have been unable to find documents on how to hook our application in, so that it would be called instead of the standard G1 screen lock. Is there a broadcast sent when the standard lock is activated?
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Nov 14, 2009
I was wondering if there is any privacy feature for messages. I don't want to lock the whole phone, I just want my phone(HTC Hero Euro) to ask for password or pattern whenever I access messages. Is there any application for that?
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Oct 31, 2010
I am writing a application and it should be protected with a password. Instead of building a new one, Is it possible to use the Android's Pattern lock screen from application with different patterns?
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May 1, 2010
What happens if I enabled the pattern lock by updating the setting LOCK_PATTERN_ENABLED, but have never set a pattern? I would check, but I don't want to reset my phone (I don't see a way to clear the lock pattern). Does anyone know?
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Dec 11, 2009
The subject is pretty much it. With pattern lock security enabled, what happens during an incoming call? Must you enter the pattern to pick up the call, or can you simply press "Send"?
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Nov 29, 2010
Is there a lock pattern on the DHD, the one where you swipe it in a certain pattern like I saw on the original desire?
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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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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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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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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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Oct 11, 2009
I am developing an application in android to connect emulator to server and then read, edit and write on it. Has any one worked on such application please let me know. Else guide how to develop this application.
I am using Socket in my application. i am able to run the code when my machine is server and client but not able to do when connect to other machines.
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