Android :: Android (Hello World) Tutorial / Program Cannot Be Installed On 2.1
May 12, 2010
Today I decided to start developing for the Android OS. I went on their website, downloaded all the required software (Eclipse, The Android SDK, ADT Plugin for Eclipse etc.). I followed the "Hello World" tutorial supplied (link text). I have it using the Android SDK 2.1. The program worked almost flawlessly. It runs fine on the Android emulator, but doesn't install on any Android phones. I don't own an Android phone, so I had three of my friends try to install the program on theirs. The phones we used were:
ROOTED G1 running 2.1
Droid running 2.1
Another Droid running 2.1
I emailed the .apk to myself in gmail, and accessed it via the Android emulator. It ran and installed the package just fine. However, when my friends tried to install it on their phones, they were all met with this error: "[Parse Error] There is a problem parsing the package".
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Feb 12, 2010
While I have started to work on android, I have faced lots of problem on Eclipse IDE, Android SDK, but finally I have developed my 1st "Hello World" progam.
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Mar 20, 2009
Is there a way to programmatically without root check and see how a program was installed?
The only solution I've been able to find is using root - and tapping into a database that the Vending application uses;
CREATE TABLE assets10(_id INTEGER PRIMARY KEY AUTOINCREMENT, content_uri TEXT, s tate TEXT, download_pending_time INTEGER, download_start_time INTEGER, install_t ime INTEGER, uninstall_time INTEGER, size INTEGER, type TEXT, package_name TEXT, is_forward_locked TEXT, signature TEXT, refund_timeout INTEGER, version_code IN TEGER, server_string_id TEXT UNIQUE);
Most specifically I can check to this database using my package name and/or signature and see if it's ever been installed by the market. Then if it has you could check to see if it's been uninstalled.
As for background, I'm just messing around with ways to distinguish real users from pirated versions. I've noticed from an application I've posted that I only have approximately 100 downloads and 50% active, yet my server which is used by the application shows approximately 200ish unique users within the past few days.
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Jun 17, 2010
Someone upgraded my app, and receive this message "The linked program is no longer installed on the phone" What did I do wrong to cause this? The app and the upgrade were signed with the same key as far as I know. Some of the builds were on a linux machine, and other were on Windows. Could that cause this message?
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Jun 9, 2010
I've been working on an application for the past week or so, and when I went to test it the other day, my console read the following to me:
CODE:............
The icon for the program is present in my emulator, and I have added android.permission.ACCESS_CHECKIN_PROPERTIES to my Manifest.
For some reason the emulator tells me that the program is not installed "on this phone" when I try to run the program using the icon in the emulator. Which I find interesting considering that the console says it was installed successfully..
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Jan 18, 2010
How do I get an update on a program i have installed? I only find updated if I am in the Market and see that it says an update available.
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Jul 12, 2010
I can't seem to find a notepad type program in the pre installed programs. Any recommendations from the Market or where it can be found on the phone.
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Apr 28, 2010
I'm new in Android. I'm starting with HelloWorld program, but I can't run it on the Emulator. I'm using newest version of Eclipse and Android SDK. I also set up development environment as follows instructions on http://developer.android.com/index.html.Does anybody have advice for me?
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Sep 20, 2010
My Helloworld tutorial sample builds and runs just fine, except it doesn't show the text (i.e. loads apps). The only thing I see is that Emulator (Target 2.2 API level 8) comes up with just the "Android" in it. and then the emulator shows up a locked up screen in a while. Here is output from the console
[2010-09-20 10:36:55 - HelloAndroid] Android Launch!
[2010-09-20 10:36:55 - HelloAndroid] adb is running normally.
[2010-09-20 10:36:55 - HelloAndroid] Performing com.example.HelloAndroid.HelloAndroid activity launch
[2010-09-20 10:36:55 - HelloAndroid] Automatic Target Mode: Preferred AVD 'my_avd' is not available. Launching new emulator.
[2010-09-20 10:37:56 - HelloAndroid] WARNING: Application does not specify an API level requirement!
[2010-09-20 10:37:56 - HelloAndroid] Device API version is 8 (Android 2.2)
[2010-09-20 10:37:56 - HelloAndroid] HOME is up on device 'emulator-5554'
[2010-09-20 10:38:23 - HelloAndroid] Uploading HelloAndroid.apk onto device 'emulator-5554'
[2010-09-20 10:38:27 - HelloAndroid] Installing HelloAndroid.apk.
After I exit the emulator, I get the following errors.[2010-09-20 09:02:24 - DeviceMonitor]Sending jdwp tracking request failed![2010-09-20 09:38:46 - ddms]nulljava.lang.NullPointerException
at com.android.ddmlib.JdwpPacket.writeAndConsume(Jdwp Packet.java:213)
at com.android.ddmlib.Client.sendAndConsume(Client.ja va:573)
at com.android.ddmlib.HandleHello.sendHELO(HandleHell o.java:142)
at com.android.ddmlib.HandleHello.sendHelloCommands(H andleHello.java:65)
at com.android.ddmlib.Client.getJdwpPacket(Client.jav a:670)
at com.android.ddmlib.MonitorThread.processClientActi vity(MonitorThread.java:317)
at com.android.ddmlib.MonitorThread.run(MonitorThread .java:263)
[2010-09-20 09:38:47 - ddms]null
java.lang.NullPointerException
at com.android.ddmlib.JdwpPacket.writeAndConsume(Jdwp Packet.java:213)
at com.android.ddmlib.Client.sendAndConsume(Client.ja va:573)
at com.android.ddmlib.HandleHello.sendHELO(HandleHell o.java:142)
at com.android.ddmlib.HandleHello.sendHelloCommands(H andleHello.java:65)
at com.android.ddmlib.Client.getJdwpPacket(Client.jav a:670)
at com.android.ddmlib.MonitorThread.processClientActi vity(MonitorThread.java:317)
at com.android.ddmlib.MonitorThread.run(MonitorThread .java:263)
[2010-09-20 09:50:11 - DeviceMonitor]Sending jdwp tracking request failed!
[2010-09-20 09:59:29 - DeviceMonitor]Sending jdwp tracking request failed!
[2010-09-20 09:59:31 - Logcat]device not found
com.android.ddmlib.AdbCommandRejectedException: device not found
at com.android.ddmlib.AdbHelper.setDevice(AdbHelper.j ava:736)
at com.android.ddmlib.AdbHelper.executeRemoteCommand( AdbHelper.java:373)
at com.android.ddmlib.Device.executeShellCommand(Devi ce.java:285)
at com.android.ddmuilib.logcat.LogPanel$3.run(LogPane l.java:516)
[2010-09-20 10:40:46 - DeviceMonitor]Sending jdwp tracking request failed!
Also, is there a way to capture the TEXT from CMD window that runs while the Emulator is coming up?
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May 20, 2010
I've been hanging in the shadows for a while now but thought I would burst my forum cherry. With the World Cup looming I wondered if any of you fine people have used any of the World Cup apps (paid or free) that are available on the market and what your thoughts were on them? I'm looking to dedicate one of my home screens to a World Cup fenzy of info ready for when it starts so I can amaze my mates down the pub with stats and nuggets of clever info.
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May 9, 2010
I would be ECSTATIC if an app that could stream the World Cup existed. Anyone know if one exists or is in the process of being created?
I, for one, would definitely be willing to pay for it.
I know ESPN is broadcasting the World Cup and I have access to ESPN360. Anything I can do with that to stream it?
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Jun 17, 2010
What app are you using to follow the World Cup? I am testing several out right now - let me know if you know of a few that are good that aren't on the poll list.
I am using Goal.com Mobile - its really great and I highly recommend! I think the FutMob WorldCup/5.0 versions would be my next best bet in terms of notifications and news.
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Sep 13, 2010
is there an easy way (api) to do this?
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Jun 18, 2009
I have successfully booted android on to the omap 3530 evm(mistral) using the prebuilt binaries available in the mistral site.. now i would like to run a simple application like hello world on it.. can somebody please guide me as to how to go about running it and if some tools have to installed..?
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Jun 16, 2010
I am working on application which required to display the data in following from: List of Region----->List of Countries(As per selection)List of Cities(As per selection).I had tried hard to find some web services which facilitate the same but no success, please help me to find it.
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Sep 30, 2010
I made an Android Hello world app and I'm trying to load it onto my HTC Incredible. I believe it has 2.2 (how do I confirm that?)Anyway, Eclipse gives me this message and then brings up the window in the screenshot below. Automatic Target Mode: Unable to detect device compatibility. Please select a target device. I'm on Ubuntu 64bit if that matters. I did turn on USB debugging on the phone. I told the phone to connect as a disk drive.Any ideas how to get my app onto the phone?Update: Do I need to perform these steps since I'm on Ubuntu? I doesn't mention what to do for Ubuntu 8.10 though.
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Jul 25, 2010
Can anyone recommend an app to simply show a map of the world please? Just a very simple 'where's Gambia (or wherever) - oh there it is' type of thing.
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Jun 28, 2010
I just wanted to run my first android application, but unfortunately in my AVD i don't see anything, just 'ANDROID_' and not my 'Hello, World' which i tried to display. I don't know where the issues is and I tried to search this Discussion as well. In my AVD Manager I created on AVD named it 'TestDevice' platform 2.2 etc. and even if I start it there I just get the letters 'ANDROID_' and noting else even the home button won't work.
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Apr 6, 2010
I'm looking for a small world clock digital clock widget that I can put on my home screen that would take 1-2 icon slots. In particular, it needs to be a world clock (ie: not the normal time on your phone, configurable to some other time), it needs to be a digital clock, and it would help if it supported military time format. I'd also like it to be smallish, in that it takes no more than 2 icon slots on my screen. I have a Milestone and for some ungodly reason we have all this empty space around icons in a 4x4 screen. Any help would be appreciated. The world clock on my phone is a regular dial-style analog clock, looks like it takes 2x2 icon slots, and is difficult to read. Plus, being analog, there's no way to tell AM/PM.
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May 9, 2010
The World Cup app has a calendar, but would there be any way to sync that calendar with my android one?
I don't want to miss out on any games.
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Oct 6, 2010
I'm migrating over from the iPhone and one think I like about the iPhones Clock app is that it has a tab for world clocks while it also manages the alarms. I'm looking for an app (not widget) that gets the job done similarly on Android but I haven't really found one. It seems that clock apps are either clock/alarm or world clock only, not combining the functionality.
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Aug 29, 2009
I have just set-up the AndroidSDK in Eclipse in linux. Everything was going smoothly until I hit the final run that would run the emulator and start the application. I came up with an "[2009-08-29 10:28:35 - HelloAndroid] Unknown error: " Is their a way to run the emulator by itself just to check if its that?
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Jun 27, 2010
I'm probably going to feel like an idiot when I figure this out, but I'm hoping someone can help. I just installed the Android 2.1 SDK along with the latest Eclipse. When I create a new Android project, it outputs hello world when run. I can't for the life of me find anywhere in the project source where this happens and how to remove it.
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Jun 7, 2010
Anyone have any good recommendations? I have a great one on my iPod Touch but can't find one in the AMP.
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Oct 3, 2010
I am totally new to Android, and I am following this tutorial. My problem is that the Android Emulator does not show the Hello World text, it just displays "ANDROID" on the center of the screen and no buttons works. Is this a know problem, how do I get it fixed?
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Jun 8, 2010
I was wondering if anyone has found a way to add the major world wide indexes to the Google Finance App? As an example, if I try to add the FTSE100 (.FTSE) to my portfolio, it will show up on the website in my mobile portfolio, but will not show up with my other quotes on the Android App. I know its syncing because it says the portfolio was updated every time I open it. I suppose I could add an ADR, but that does me know good because I want to evaluate the markets from my phone before our markets open. Worse case I will just go to the website, but thats besides the point.
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Aug 12, 2009
I am a noob at java. so i decided to start at the android dev guide and go through their tutorials. naturally i started with this one: http://developer.android.com/guide/tutorials/hello-world.html. i followed the instructions, ran the program when the guide said to, and it all seemed to work without any errors, except that the program didn't display the text i had written in the setText() part. it infact displayed the words "Hello world, HelloAndroid!". the only thing that bugs me about that is my setText looks like "tv.setText("Hello, Android");". the word world doesn't even come up anywhere in the project. so what's going on here?
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Apr 16, 2010
Brand new to droid programming, but would love to learn as much as possible, so I finally got my emulator working correctly, I even got a hello world button to work. I'm attempting to make this button display a random number, I've googled this and came up with this code:
Random generator = new Random();
int n = generator.nextInt(n);
I fixed the Random function by including some Random java utility. I'm assuming this code above goes in the .java file of the project, so my button code looks as follows (tested and works):
PopUpText.makeText(v.getContext(), "Hello World",
PopUpText.LENGTH_LONG).show();
I figured I could replace "Hello World" with n to display the number in the box, however the following error is stopping the compile:
The local variable n may not have been initialized
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Jun 26, 2010
We're looking for a method to properly scale our textures and world. The current method we're using is having an arbitrary world unit which calculates the screen resolution and receives the size of a pixel on all resolutions. However is there an easier way of implementing a scaling method for game development? We have looked through dip and other android native elements but these don't work as well for a larger scale on game development.
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Sep 2, 2010
I am a complete novice to Android, just installed the SDK and ADT Eclipse plugin. What I was trying to do is a simple "Hello, World" program. I am using the 2.2 (8) API.
Here's my code:
CODE:..........
My Eclipse console:
CODE:..................
And on my emulator (5554:Android) ... there is nothing displayed but blank screen with a cool fonted "Android" imprint.
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