from:"kypriakos"


Hi all,

I remember that you can launch apps remotely on a phone using:

adb shell am start -n ...

I never looked for one that would terminate the app remotely. Is there
one? May be I can write scripts that can grep the ps on the device
and send a remote kill but (i) that is not possible on devices that
are not rooted and (ii) may be not a good idea. So most likely I will
have to write a receptor on an app that when a term app commands
comes in over a socket it can then schedule itself with Android
for termination.

Has anyone tried this before?

Thanks

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[android-developers] Camera access


Hi all,

I have been running an activity that access the phone's camera (on
Froyo), puts it
in preview mode and then snaps and stores a picture. This has been
working fine
on one phone but on a second phone with the same OS and specs I get
the following:

I/#LGIME  ( 1481):  onStartInput: restarting=false, fieldId=-1
I/System.out( 6895): surface created - calling picture ...
E/CameraService( 1291): CameraService::connect X (pid 6895, new client
0x1bfc8) rejected. (old pid 5261, old client 0x22798)
E/CameraService( 1291): forcefully terminating old client.. ref count

Has anyone seen this before? What would cause the camera service to
reject connections to
it since the Manifest for the app is the same as on the other phone
and it does allow Camera
access. Any ideas would be appreciated.

Thanks

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[android-developers] Re: Camera access

Right on Mark, One of the reasons I found out was a lingering process
that was locked it.
I killed that process and the camera service responds fine now.

The second time it did this I found out that after the camera goes
into preview, an image
is snapped (this is the app I am testing that takes pictures
automatically every few
seconds) but right after the first picture is snapped on this phone
the Camera service dies.
This is still puzzling cause like I said earlier this app works fine
on an identical phone.
I will check to see if I am setting the resolution of the preview or
the picture to be something
outside what this camera can handle? Also I saw messages that the
Rolloff feature is not
supported, no idea what that is.
When I set the autofocus in the manifest the phone (again running 2.2)
said that this feature
is not available, which makes no sense since 2.2 does support
autofocus.

On Nov 15, 5:53 pm, Mark Murphy mmur...@commonsware.com wrote:
It seems like the CameraService thinks that the camera is in use. Only
one application can use the camera at a time. And if an application
leaks the camera (by not closing it), it might be tied up until the
process gets terminated or you reboot the phone.

On Tue, Nov 15, 2011 at 5:17 PM, kypriakos demet...@ece.neu.edu wrote:

Hi all,

I have been running an activity that access the phone's camera (on
Froyo), puts it
in preview mode and then snaps and stores a picture. This has been
working fine
on one phone but on a second phone with the same OS and specs I get
the following:

I/#LGIME ( 1481): onStartInput: restarting=false, fieldId=-1
I/System.out( 6895): surface created - calling picture ...
E/CameraService( 1291): CameraService::connect X (pid 6895, new client
0x1bfc8) rejected. (old pid 5261, old client 0x22798)
E/CameraService( 1291): forcefully terminating old client.. ref count

Has anyone seen this before? What would cause the camera service to
reject connections to
it since the Manifest for the app is the same as on the other phone
and it does allow Camera
access. Any ideas would be appreciated.

Thanks

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[android-developers] Re: Camera access

Well this is what I found out -

first time the activity is launched the camera goes into preview mode,
snaps a pic,
stores the pic and then tries to get into preview mode again. I
removed the last
step and still the pic is taken and it stays stuck on the screen. I
realized that
the camera service usually will ask the user if he/she wants to save
the pic. Either
way it then returns to the preview mode. In the case of my app it is
supposed to snap
the pic, save it and return to preview. This exact code works on teh
G1 but on the
LG after the pic is snapped it remains on the screen.

Would the camera service be different across Froyo-based mobiles? I
wouldn't thjnk
so ...

On Nov 15, 6:05 pm, kypriakos demet...@ece.neu.edu wrote:
Right on Mark, One of the reasons I found out was a lingering process
that was locked it.
I killed that process and the camera service responds fine now.

On Nov 15, 5:53 pm, Mark Murphy mmur...@commonsware.com wrote:

It seems like the CameraService thinks that the camera is in use. Only
one application can use the camera at a time. And if an application
leaks the camera (by not closing it), it might be tied up until the
process gets terminated or you reboot the phone.

On Tue, Nov 15, 2011 at 5:17 PM, kypriakos demet...@ece.neu.edu wrote:

Hi all,

Thanks

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Warescription: Three Android Books, Plus Updates, One Low Price!

[android-developers] Re: Camera access

Just in case this will help anyone else - i figured out the issue. I
was snapping
a picture and then restarting the preview right away. With the slower
phones (G1)
this was ok but with newer phones that are faster this won't work. I
moved the
preview to start inside the jpegcallback and after the picture was
stored and
it works fine now.

Thanks

On Nov 16, 12:41 am, kypriakos demet...@ece.neu.edu wrote:
Well this is what I found out -

Would the camera service be different across Froyo-based mobiles? I
wouldn't thjnk
so ...

On Nov 15, 6:05 pm, kypriakos demet...@ece.neu.edu wrote:

Right on Mark, One of the reasons I found out was a lingering process
that was locked it.
I killed that process and the camera service responds fine now.

On Nov 15, 5:53 pm, Mark Murphy mmur...@commonsware.com wrote:

On Tue, Nov 15, 2011 at 5:17 PM, kypriakos demet...@ece.neu.edu wrote:

Hi all,

Thanks

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[android-developers] Re: Camera autofocus

2011-10-30 Thread kypriakos


I am wondering if I upgrading to 2.3 may help the cause but it makes
no sense
for a method out of a standard package to be missing. The permission
for the
camera hardware is set in the manifest. Any ideas will be greatly
appreciated.

Thanks

On Oct 29, 9:52 pm, kypriakos demet...@ece.neu.edu wrote:
 And I do think Froyo still has the autofocus avaliable in its API ...
 hmm

 On Oct 29, 9:44 pm, kypriakos demet...@ece.neu.edu wrote:







  Hi all,

  I am getting the famous Failure [INSTALL_FAILED_MISSING_FEATURE] on an
  Optimus LG 350P running Froyo (2.2.1). Checking the logging I see the
  following:

  E/PackageManager( 1376): Package org.mortbay.ijetty requires
  unavailable feature android.hardware.camera.autofocus; failing!

  What ??? The phone does have the autofocus feature on the phone. And
  the app works
  fine on the G1 ... would this mean that the autofocus is not enabled
  hardware wise
  on the device? Or is something else missing from the app's point of
  view?

  Thanks

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[android-developers] Camera autofocus

2011-10-29 Thread kypriakos


Hi all,

I am getting the famous Failure [INSTALL_FAILED_MISSING_FEATURE] on an
Optimus LG 350P running Froyo (2.2.1). Checking the logging I see the
following:

E/PackageManager( 1376): Package org.mortbay.ijetty requires
unavailable feature android.hardware.camera.autofocus; failing!

What ??? The phone does have the autofocus feature on the phone. And
the app works
fine on the G1 ... would this mean that the autofocus is not enabled
hardware wise
on the device? Or is something else missing from the app's point of
view?

Thanks

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[android-developers] Re: Camera autofocus

2011-10-29 Thread kypriakos


And I do think Froyo still has the autofocus avaliable in its API ...
hmm

On Oct 29, 9:44 pm, kypriakos demet...@ece.neu.edu wrote:
 Hi all,

 I am getting the famous Failure [INSTALL_FAILED_MISSING_FEATURE] on an
 Optimus LG 350P running Froyo (2.2.1). Checking the logging I see the
 following:

 E/PackageManager( 1376): Package org.mortbay.ijetty requires
 unavailable feature android.hardware.camera.autofocus; failing!

 What ??? The phone does have the autofocus feature on the phone. And
 the app works
 fine on the G1 ... would this mean that the autofocus is not enabled
 hardware wise
 on the device? Or is something else missing from the app's point of
 view?

 Thanks

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[android-developers] Re: Google Development phones

2011-09-21 Thread kypriakos


Hi all,

the Market lists only one phone, the Nexus One and it says it is not
longer
available. Does that mean that Google is out of stock or does it mean
that
they are simply switching to a new phone and so this was off their
pages?

Thanks

On Aug 18, 1:26 pm, Mark Ayers markthe...@gmail.com wrote:
 The Nexus phones will always get updates quickest, though I'd be willing to
 bet that after the Nexus Prime, they will all be made by Motoogle.
 On Aug 18, 2011 6:06 AM, ColorTheorist colortheorydevelo...@gmail.com
 wrote:







  Sorry, that was just a throwaway comment. Eventually Motorola will
  become the gold standard for Android phones due to their proximity to
  the software, but in the short term they're no different than any
  other
  device. If whoever it was needs a phone today any of the phones that
  are
  out there should be fine.

  That's not entirely true. Motorola phones are still on top of their
  updates faster than most other devices, while other cheaper phones
  might not receive updates at all, or take quite an extensive amount of
  time to get the newest releases. As a developer it is useful to get
  the newest updates in a timely manner if you plan on using them
  anywhere near the newest OS release.

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[android-developers] Re: Google Development phones

2011-09-21 Thread kypriakos


Good point - and I think the Nexus S is a bit overpriced. I had G1
phones
for a while (both the development and the retail versions) running
1.6
but I have not been able to upgrade the retail ones to 2.1 or 2.2. I
am assuming
the only images I can find are the Cyanmodegen ones?

A Verizon developer told me they are developing on primarily Motorola
phones
and it seems that they are still using Droids which makes your point
valid.
I did check out the pie chart of the Android OS distribution on
devices and
yes 2.1 is still at 18% and the bulk of it is on 2.2 etc. So it makes
sense
to take it easy on the platforms I should use.

Is it easy to root such phones? I know that it is not necessary to go
through
the risk of rooting phones since non rooted phones can suffice.

On Sep 21, 12:59 pm, Christopher Van Kirk
christopher.vank...@gmail.com wrote:
 The original developer phone was the G1.

 Then came the Magic/G2.

 Then came the Nexus One.

 The current developer phone is the Nexus S, but it's an open question
 whether you really want to get one. The Nexus S is always closest to the
 bleeding edge of the phone operating system. The rest of the market,
 however, is still pretty far behind (I think something like 60% still
 runs Android 2.2, and if you look at Verizon's stable of phones, very
 few are  2.2). So if you're developing for mass consumption it might be
 better to get something a bit more retro.

 On 9/22/2011 12:17 AM, Kristopher Micinski wrote:







  The original development phone was the nexus one, however the concept
  of an official development phone hasn't been around for a long time,
  and people just generally use their own devices for development these
  days.  As long as you buy a nice device (for what you want to do with
  it) you should be fine, optionally one that you think you can quickly
  root.

  Kris

  On Wed, Sep 21, 2011 at 9:55 AM, kypriakosdemet...@ece.neu.edu  wrote:
  Hi all,

  the Market lists only one phone, the Nexus One and it says it is not
  longer
  available. Does that mean that Google is out of stock or does it mean
  that
  they are simply switching to a new phone and so this was off their
  pages?

  Thanks

  On Aug 18, 1:26 pm, Mark Ayersmarkthe...@gmail.com  wrote:
  The Nexus phones will always get updates quickest, though I'd be willing 
  to
  bet that after the Nexus Prime, they will all be made by Motoogle.
  On Aug 18, 2011 6:06 AM, ColorTheoristcolortheorydevelo...@gmail.com
  wrote:

  Sorry, that was just a throwaway comment. Eventually Motorola will
  become the gold standard for Android phones due to their proximity to
  the software, but in the short term they're no different than any
  other
  device. If whoever it was needs a phone today any of the phones that
  are
  out there should be fine.
  That's not entirely true. Motorola phones are still on top of their
  updates faster than most other devices, while other cheaper phones
  might not receive updates at all, or take quite an extensive amount of
  time to get the newest releases. As a developer it is useful to get
  the newest updates in a timely manner if you plan on using them
  anywhere near the newest OS release.
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[android-developers] Older stuff


Hi all,

does anyone know if there are any OTA updates archives for updating
any older phones (HTC G1 and the like) from Android 1.1 to 1.5 or 1.6.
The attempt is to eventually upgrade these phones to 2.2 but I think I
will need to go through the older updates first before I get there?
Plus I am not sure 2.2 will work on them anyway so at least I can get
to 1.6 and get these phones to be functional for us.

Thanks in advace

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[android-developers] Databases


Hi all,

I create a database in the assets of a project and install and start
the app. When does Android copy the database in the /data/data/app
name/databases directory? I don't see it listed there until I open an
sqlite3 DB
handler to it in the code. Is this right?

Thanks

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[android-developers] Re: Databases


Please ignore the posting below: the database was not being created
in the OnCreate so thought that the Android was scheduling the
creation at
a later point in time. I do have methods that transfer the DB from the
assets
to the appropriate directories.

I apologize for the extra email.

Thanks

On Sep 19, 5:30 pm, kypriakos demet...@ece.neu.edu wrote:
 Hi all,

 I create a database in the assets of a project and install and start
 the app. When does Android copy the database in the /data/data/app
 name/databases directory? I don't see it listed there until I open an
 sqlite3 DB
 handler to it in the code. Is this right?

 Thanks

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[android-developers] Re: Older stuff


Thanks Chris.

I looked around including URLs at Google (http://
android.clients.google.com/packages/)
but these images are nowhere to be found (Cupcake or Donut). Not sure
if I can
build them myself eventually off the source code.

I did look around XDA Devs but didn't see the link below so I will
follow up
on that. I think G1 does support 2.2 (or at least that's what people
claim)
so I can give it a shot but I need to get it off the ground first from
1.1
and into 1.5/1.6 first. And like you said, matching the various
packages
is the trick.

On Sep 19, 4:06 pm, Chris crehb...@gmail.com wrote:
 You can flash newer firmware on older phones if the phone supports it.  
 You're probably not going to get an update pushed over the air, though,
 you'll probably have to find a copy of the firmware and flash it yourself.  
 Keep in mind that radio and bootloader firmwares will have to be updated,
 and those can be trickier than just a system firmware.

 For reference, this is a good xda-developers thread for 
 G1/Magichttp://forum.xda-developers.com/showthread.php?t=668090.  I still 
 have a
 Magic with GingerYoshi running on it (a 2.3 derivative)

 And yes, as long as you match up your radios, bootloaders and system roms
 you can jump from, eg. 1.5 to 2.2.  

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[android-developers] Re: Upgrading from 1.6 to 2.2+

2011-09-09 Thread kypriakos


Ok thanks Mark. The only strange things they did (since they were
written a while back
from not so experienced developers) was read and write files (log
files) on the SD Card
using File I/O classes and use the  file:///android_asset/ ... from
WebViews for opening
html files locally. Has access to storage been disabled after 2.2
using file:// or is that
a misleading information I read in a posting?

On Sep 8, 4:50 pm, Mark Murphy mmur...@commonsware.com wrote:
 On Thu, Sep 8, 2011 at 4:40 PM, kypriakos demet...@ece.neu.edu wrote:
  Would
  such phones run apps written with API 4 without major overhaul?

 Unless your apps are doing something very strange, they should run
 fine. Again, if these app are on the Market, they are probably already
 running on newer versions of Android.

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[android-developers] Re: Upgrading from 1.6 to 2.2+

2011-09-09 Thread kypriakos


Excellent - ok thanks Mark I appreciate the responses.

On Sep 9, 10:21 am, Mark Murphy mmur...@commonsware.com wrote:
 On Fri, Sep 9, 2011 at 9:42 AM, kypriakos demet...@ece.neu.edu wrote:
  Ok thanks Mark. The only strange things they did (since they were
  written a while back
  from not so experienced developers) was read and write files (log
  files) on the SD Card
  using File I/O classes and use the  file:///android_asset/ ... from
  WebViews for opening
  html files locally. Has access to storage been disabled after 2.2
  using file:// or is that
  a misleading information I read in a posting?

 file:///android_asset works for WebViews. file:// works for WebViews,
 at least for newer versions of Android (it didn't originally, not sure
 when they enabled it).

 --
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 Guy)http://commonsware.com|http://github.com/commonsguyhttp://commonsware.com/blog|http://twitter.com/commonsguy

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[android-developers] Upgrading from 1.6 to 2.2+

2011-09-08 Thread kypriakos


Hi all,

we are in the process of moving a number of apps and their convoluted
logic from older OSes (1.6) to 2.2. Are versions 2.2+ backwards
compatible
for the most part with older versions? What are the most profound
changes that need to be done? Most of these apps make use of data
on the SD card (read and write to it) but the rest of the
functionality is
modest.

I  know this is a loaded question and I am not looking for a
comprehensive
answer but more like major points/directions to follow. I was thinking
also
that Mark's books may come handy since they do progressively walk
through
versions.

Thanks

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[android-developers] Re: Upgrading from 1.6 to 2.2+

2011-09-08 Thread kypriakos


Hi guys,

apologies for the vagueness. We wrote apps using API 4 to run on HTC
G1
development phones that can run at the max Android 1.6. We wanted to
port a number of them to Android 2.2+ without (which was the first
mistake) testing them on actual hardware that does run that OS. Would
such phones run apps written with API 4 without major overhaul?

@ Diane - The diffs are primarily incremental right? Each new API
compared
to the one before it? Still this helps!

@ Mark - is Marakana only providing sessions on the West Coast? Do
they
have anything planned for the NorthEast?

On Sep 8, 12:22 pm, Dianne Hackborn hack...@android.com wrote:
 Information about the major changes in each version is available here:

 http://developer.android.com/sdk/index.html

 On the left is the section for each version.  This includes an overview of
 the major new feature, as well as detailed API diffs of the new APIs
 introduced in that version.

 Your question isn't specific enough to be able to answer much more than
 that.









 On Thu, Sep 8, 2011 at 8:53 AM, kypriakos demet...@ece.neu.edu wrote:

  Hi all,

  we are in the process of moving a number of apps and their convoluted
  logic from older OSes (1.6) to 2.2. Are versions 2.2+ backwards
  compatible
  for the most part with older versions? What are the most profound
  changes that need to be done? Most of these apps make use of data
  on the SD card (read and write to it) but the rest of the
  functionality is
  modest.

  I  know this is a loaded question and I am not looking for a
  comprehensive
  answer but more like major points/directions to follow. I was thinking
  also
  that Mark's books may come handy since they do progressively walk
  through
  versions.

  Thanks

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[android-developers] Re: Upgrading from 1.6 to 2.2+

2011-09-08 Thread kypriakos


Scratch the without (which was the first mistake) testing them on
actual
hardware that does run that OS. We are planning this upgrade now but
we don't have the hardware for it yet so we will be testing them on
emulators.
That was a different posting I had - I cannot see any dev phones on
the
Market.

On Sep 8, 4:40 pm, kypriakos demet...@ece.neu.edu wrote:
 Hi guys,

 apologies for the vagueness. We wrote apps using API 4 to run on HTC
 G1
 development phones that can run at the max Android 1.6. We wanted to
 port a number of them to Android 2.2+ without (which was the first
 mistake) testing them on actual hardware that does run that OS. Would
 such phones run apps written with API 4 without major overhaul?

 @ Diane - The diffs are primarily incremental right? Each new API
 compared
 to the one before it? Still this helps!

 @ Mark - is Marakana only providing sessions on the West Coast? Do
 they
 have anything planned for the NorthEast?

 On Sep 8, 12:22 pm, Dianne Hackborn hack...@android.com wrote:







  Information about the major changes in each version is available here:

 http://developer.android.com/sdk/index.html

  On the left is the section for each version.  This includes an overview of
  the major new feature, as well as detailed API diffs of the new APIs
  introduced in that version.

  Your question isn't specific enough to be able to answer much more than
  that.

  On Thu, Sep 8, 2011 at 8:53 AM, kypriakos demet...@ece.neu.edu wrote:

   Hi all,

   we are in the process of moving a number of apps and their convoluted
   logic from older OSes (1.6) to 2.2. Are versions 2.2+ backwards
   compatible
   for the most part with older versions? What are the most profound
   changes that need to be done? Most of these apps make use of data
   on the SD card (read and write to it) but the rest of the
   functionality is
   modest.

   I  know this is a loaded question and I am not looking for a
   comprehensive
   answer but more like major points/directions to follow. I was thinking
   also
   that Mark's books may come handy since they do progressively walk
   through
   versions.

   Thanks

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[android-developers] Android Dev Phone

2011-09-07 Thread kypriakos


Hi all,

is the only dev phone in Android Market the Nexus One which by the way
is listed as no longer available? How is everyone else developing apps
if
no dev phones are available? I was under the impression that the
retail phones
do not come rooted and thus the su command is not available. Is this
the case?

Thanks

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[android-developers] Git and source code

2011-09-07 Thread kypriakos


Hi all,

I am getting connect failures on
repo init -u git://android.git.kernel.org/platform/manifest.git -b
froyo

I was able to download the source in the past but not the past couple
of days. Anything missing?

Thanks

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[android-developers] Re: Git and source code

2011-09-07 Thread kypriakos


Aha - thanks! I found outdated posts but not this one.

On Sep 7, 3:44 pm, Mark Murphy mmur...@commonsware.com wrote:
 On Wed, Sep 7, 2011 at 3:01 PM, kypriakos demet...@ece.neu.edu wrote:
  I am getting connect failures on
  repo init -u git://android.git.kernel.org/platform/manifest.git -b
  froyo

  I was able to download the source in the past but not the past couple
  of days. Anything missing?

 http://stackoverflow.com/questions/7294796/access-denied-to-android-g...

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[android-developers] Activity comms

2011-08-28 Thread kypriakos


Hi all,

I start Activity B from Activity A using:

Intent intent = new Intent();
intent.setClass(androidContext, org.myActB..class);
intent.setFlags(intent.FLAG_ACTIVITY_SINGLE_TASK);
intent.putExtra(from act A, Hello);
androidContext.startActivity(intent);

Now if Activity A is terminated and restarted, is there a way to
get a handler to Activity B again? If it calls the above statements
again and since the SINGLE_TASK flag is called I am expecting
that Activity B won't be regenerated which means if I change
the Extras then Activity B should receive the new data? But I am
not sure if that's possible unless a OnNewActivity method is called
that will force Activity B to read the new data. Is this correct? I am
not 100% clear as to how activities can communicate in a iterative
manner through the new intent method.

Thanks

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[android-developers] Re: Terminating apps

2011-08-28 Thread kypriakos


I think I understand the termination process a bit better now. I guess
calling finish() on an activity (and finish() will execute
immediately)
it is as if you are scheduling it for termination by the OS. And I
guess
that will justify the existance of the finishing() method that can
return
that a particular activity has been requested to terminate.

On Aug 27, 10:41 pm, kypriakos demet...@ece.neu.edu wrote:
   I am wondering if it is possible to exit the activity but
   subsequently
   ask Android to terminate it immediately ...

  If by it, you mean the process, please do not do this. Please let
  Android terminate it when it is ready to. Whatever problem you are
  trying to solve can be solved better some other way.

 I know I know - and thus the questions. I don't feel it's the right
 thing
 to do by doing so and I am trying to find a way around it.



   On a different note - how far back do your books go? Did you cover
   1.6 and 2.1?

  Yes. 1.5, even. Mostly, I cover Android and try to point out when
  various new-ish features were added to the OS.

 Good! That's a good approach. I like to study the OS but through its
 transitions and the lessons learned. I will check them out.

 Ack on the rest - good info. Thanks.

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[android-developers] SSH to device


Hi all,

I have the SSHDroid running on the device and I can ping it. But ssh-
ing to it asks for a root
passwd and I am assuming that means the phone needs to be rooted, or a
root login added
to it? Not sure. Since the ssh server is running on a particular port
and I get a login prompt
back I am assuming that there should be a login of some sort i can use
to access the shell?
Any ideas?

Thanks

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[android-developers] Re: SSH to device

Agreed. A more general question:

What does the adb connect do exactly? Not much info on the adb page
about it.
If I run it it says that it's connected to the device but it shows it
as offline.
Is this supposed to be used in combination with any 3rd party app or I
should
be able to issue commands to the device remotely?

I have been using the USB connection and issue adb shell on the device
I can use
'su' to be able to let's say kill apps that are not responding. I want
to be
able to do that without the USB connection and via TCP.

On Aug 27, 10:49 am, Mark Murphy mmur...@commonsware.com wrote:
Support for SSHDroid is presumably provided by the SSHDroid authors,
not this list.

On Sat, Aug 27, 2011 at 10:41 AM, kypriakos demet...@ece.neu.edu wrote:

Hi all,

I have the SSHDroid running on the device and I can ping it. But ssh-
ing to it asks for a root
passwd and I am assuming that means the phone needs to be rooted, or a
root login added
to it? Not sure. Since the ssh server is running on a particular port
and I get a login prompt
back I am assuming that there should be a login of some sort i can use
to access the shell?
Any ideas?

Thanks

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Android 3.1 Programming Books:http://commonsware.com/books

[android-developers] Re: SSH to device


Really? Well that's what I need - thanks Mark I will follow up!

On Aug 27, 11:21 am, Mark Murphy mmur...@commonsware.com wrote:
 On Sat, Aug 27, 2011 at 11:03 AM, kypriakos demet...@ece.neu.edu wrote:
  What does the adb connect do exactly? Not much info on the adb page
  about it.

 Sorry, I've never used it.

  I want
  to be
  able to do that without the USB connection and via TCP.

 I can tell you that I've used QuickSSHd
 (http://teslacoilsw.com/quicksshd). You supply the SSH password in the
 QuickSSHd activity and use that to log in with a semi-arbitrary user
 name, or you can use SSH shared keys. I can't speak to the `su` stuff,
 but QuickSSHd does appear to support root.

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[android-developers] Terminating apps


Hi again,

I issue a finish() on a single process app, it exits to the home
screen of the
phone but a ps shows that the process is still running. Is this the
proper
way to terminate an app? I thought so.

Thanks

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[android-developers] Re: Terminating apps

Aha ... With eventually you mean that if Android does not need
RAM the process could be around for a while (or until the phone
is rebooted)? Is finish() synchronous and it occurs immediately?
I am wondering if it is possible to exit the activity but
subsequently
ask Android to terminate it immediately ...

On a different note - how far back do your books go? Did you cover
1.6 and 2.1?

On Aug 27, 12:03 pm, Mark Murphy mmur...@commonsware.com wrote:
On Sat, Aug 27, 2011 at 11:56 AM, kypriakos demet...@ece.neu.edu wrote:
I issue a finish() on a single process app, it exits to the home
screen of the
phone but a ps shows that the process is still running.

Android will terminate the process eventually. Android keeps the
process running initially, in case the user happens to pop right back
into it, so they can get into the app more quickly and with less
battery use. Once Android starts needing RAM for other apps, though,
your unused process will be terminated.

Is this the
proper
way to terminate an app? I thought so.

finish() is the proper way to exit an activity. You do not terminate
an app on Android any more than you terminate a Web app.

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[android-developers] Re: SSH to device


Yes the security aspect is important so I agree with the suggestion.
However, I think I did try something along these lines a while back
but it didn't work. Is this the right approach? With the phone on USB:

setprop service.adb.tcp.port 
stop adbd
start adbd

Rebooting the phone removed the property.

Thanks

On Aug 27, 1:15 pm, Chris Stratton cs07...@gmail.com wrote:
 On Saturday, August 27, 2011 11:03:26 AM UTC-4, kypriakos wrote:

  What does the adb connect do exactly? Not much info on the adb page
  about it.

 You would use it to connect to a device which has an adbd listening on
 something other than the USB, for example listening on TCP so that you can
 have ADB over wireless (or even wired ethernet on some non-handheld
 platforms).

 For something you would leave running, ssh could be preferable as ADB has no
 security.

 In either case though, excepting system-level debugging its probably
 preferable to have the daemon started/stopped by an android app control
 panel, with status bar notification while it is on, so that you only have it
 on when you expect to be using it.

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[android-developers] Re: Terminating apps


  I am wondering if it is possible to exit the activity but
  subsequently
  ask Android to terminate it immediately ...

 If by it, you mean the process, please do not do this. Please let
 Android terminate it when it is ready to. Whatever problem you are
 trying to solve can be solved better some other way.

I know I know - and thus the questions. I don't feel it's the right
thing
to do by doing so and I am trying to find a way around it.


  On a different note - how far back do your books go? Did you cover
  1.6 and 2.1?

 Yes. 1.5, even. Mostly, I cover Android and try to point out when
 various new-ish features were added to the OS.

Good! That's a good approach. I like to study the OS but through its
transitions and the lessons learned. I will check them out.

Ack on the rest - good info. Thanks.

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[android-developers] Re: GPS vs Network

2011-08-26 Thread kypriakos


I agree - thanks. I ended up testing that last night and you are
right.
SO I check first for the most accurate info (if gps is enable) and if
not
there I get the next available which is the network.

On Aug 25, 11:28 pm, lbendlin l...@bendlin.us wrote:
 yes, if you register your location listener for both sources you will get
 data from both. That data will contain the accuracy information so you can
 decide which one to use.

 if you unsubscribe from the GPS location service then I would expect the
 lastknownlocation to be fed from the network location service.

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[android-developers] 1.6 to later versions

2011-08-26 Thread kypriakos


Hi all,

we have some legacy apps running on 1.6 phones. Would 2.1 be the next
(and only probably)
compatible version that such apps can run on without issues? I think
2.2+ is when the apps
may need to be modified. Is that a correct assessment?

Thanks

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[android-developers] Remote execution

2011-08-25 Thread kypriakos


Hi all,

I am able to access one of the development phones I have over the
network
and start activities using:

$ ./adb.exe shell am start -n package name/activity name

However I noticed that in such cases the activity does not connect to
a remote
host (via sockets). If I start the activity manually on the phone then
that works
fine. Is the above command running the activity isolated from the
phone's
services (network etc)?

Also, is there a way to reboot a phone remotely from the shell?

Thanks

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[android-developers] GPS vs Network

2011-08-25 Thread kypriakos


Hi all,

is there anywhere where I can find more information as to how these
work?
In other words, when I have them both turned on I do get coords from
both
of them (programmatically) even though the Network seems to be a bit
off,
which is expectable. What's not clear is, if I enable the GPS in the
phone's
configuration, let it pick up a set of coords and then disable it,
shouldn't
that be the lastknownlocation? It seems to me if the GPS is disabled
that
value is also gone. Is that correct?

Thanks

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[android-developers] Communicating between servlet and activity

2011-08-24 Thread kypriakos


Hi all,

I am running a servlet on iJetty that uses startActivity(intent) to
start an activity.
I can send data to the activity through Bundles but not sure how to
send data
back from the activity. I cannot use the startActivityForResult since
the servet
extends the HttpServlet. It has however the app context:

android.content.Context androidContext =
(android.content.Context)config.getServletContext().getAttribute(org.mortbay.ijetty.context);

For now I am using my own implementation of shared mem on the SDCard
but
that's not a standard method I want to keep around. Any ideas on how
this
can be accomplished? A singleton class or extend the Application
class? The
two classes (servlet and activity) are in two separate projects.

Thanks

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[android-developers] Location providers on Android

2011-08-24 Thread kypriakos


Hi all,

I have two phones on which I am running location-based apps. Both work
fine with GPS provider enabled but when I enable Network (and while
both
of them are connected to the local Wi Fi) only one returns its
location,
the other returns null. The two apps running on the phones are the
same
copy of the same source and the phones are fairly identical in
configuration.
Is there a discrepancy across phones with as to which provider is
enabled?
Do I need to manually enable a provider on a phone?

Thanks

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[android-developers] SQLite exceptions?

2011-08-24 Thread kypriakos


Hi all,

I am getting this exception but I am not sure what it's all about - I
am not really using
a DB in my app and this started happening a couple of days ago. Any
hints would
certainly help me chase it. Thanks:

I/dalvikvm(  878): Uncaught exception thrown by finalizer (will be
discarded):
I/dalvikvm(  878): Ljava/lang/IllegalStateException;: Finalizing
cursor android.database.sqlite.SQLiteCursor@4380fe20 on null that has
not been deactivated or closed
I/dalvikvm(  878):  at
android.database.sqlite.SQLiteCursor.finalize(SQLiteCursor.java:596)
I/dalvikvm(  878):  at dalvik.system.NativeStart.run(Native
Method)
I/dalvikvm(  878): Uncaught exception thrown by finalizer (will be
discarded):
I/dalvikvm(  878): Ljava/lang/IllegalStateException;: Finalizing
cursor android.database.sqlite.SQLiteCursor@437fd090 on null that has
not been deactivated or closed
I/dalvikvm(  878):  at
android.database.sqlite.SQLiteCursor.finalize(SQLiteCursor.java:596)
I/dalvikvm(  878):  at dalvik.system.NativeStart.run(Native
Method)
I/dalvikvm(  878): Uncaught exception thrown by finalizer (will be
discarded):
I/dalvikvm(  878): Ljava/lang/IllegalStateException;: Finalizing
cursor android.database.sqlite.SQLiteCursor@437e9370 on null that has
not been deactivated or closed
I/dalvikvm(  878):  at
android.database.sqlite.SQLiteCursor.finalize(SQLiteCursor.java:596)
I/dalvikvm(  878):  at dalvik.system.NativeStart.run(Native Method)

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[android-developers] Re: Google Development phones

2011-08-17 Thread kypriakos


Exactly - buyer beware ... I will certainly weight the options.

Last night NightLine had a story on about Google buying Motorola and
one
of the executives at the Android labs was advertizing the Nexus S ...
I am going to stick with a cheap working one for now ;)

On Aug 16, 11:43 pm, Kristopher Micinski krismicin...@gmail.com
wrote:
 On Tue, Aug 16, 2011 at 11:25 PM, kypriakos demet...@ece.neu.edu wrote:

  Good pt Chris - for now the Use Cases we are after only require good
  camera
  resolution and wi-fi connectivity (which is mostly standard on all of
  these
  phones). I am assuming is easy to root most of these phones?

  Swappa.com seems to have some good deals so I will follow up with that
  one
  as well as with TigerDirect.

 I looked at it: never pay $200 for a used nexus one ;-).

 But yeah, all valid points, same as buying anything cheap: you get what you
 pay for.

 Kris

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[android-developers] Re: Google Development phones

2011-08-16 Thread kypriakos


Thanks to all for the responses - I need the phone immediately and I
don't necessarily need
the best and greatest. Actually if I could get something close to what
I had before (HTC
Dream G1 dev phone 1 or 2) that would suffice. Even if I am running on
1.6 I am ok with it.
Now I am assuming running apps written for 1.6 should have no problems
running on later phones
right? Going from newer APIs to older would be a problem but from
older to newer I am assuming
the apps are supported.

I will try ebay and the like and I will also check out the Market.
From what the Android site
says, that's the place to get such phones but I don't hear many people
saying they bought such
phones off  the Market.

On Aug 16, 3:21 am, Mark Ayers markthe...@gmail.com wrote:
 I would get the one that will be up to date the fastest and the longest, ie
 the Prime. If you need to test for slower devices, you can always
 underclock, but you can't go the other way nearly as easily.
 On Aug 16, 2011 12:10 AM, Zsolt Vasvari zvasv...@gmail.com wrote:







  I wouldn't get the best or fastest device as a development phone
  as 99% of your users won't have such a device and you may not get the
  true feel for the performance of your app.

  On Aug 16, 10:58 am, Mark Ayers markthe...@gmail.com wrote:
  Wait til September, then get either a Nexus Prime or a quad core tablet.
  Those will be far better development devices than the Nexus S. If you
 can't
  wait till then, get an ASUS Transformer, as it will open up a whole bunch
  more new APIs than the Nexus S will sooner, but it might take a touch
 longer
  to get an Ice Cream Sandwich update.
  On Aug 15, 2011 7:28 PM, kypriakos demet...@ece.neu.edu wrote:

   Hi all,

   one of the Android pages points to the Market for buying development
   phones
   (as long as I pay the $25 fee). Has anyone bought such phones from
   there?
   I have two HTC Dream G1 Dev phones (old - running 1.6 on them) and
   it would
   be good if I can find a couple of more of the same or (of course)
   newer models.

   Thanks

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[android-developers] Re: Google Development phones

2011-08-16 Thread kypriakos


And no I don't necessarily need the phone as a phone but it would be
nice to test
the app's response over the Operator's network. For these phones I had
I used the
On-the-go SIM cards from T-Mobile and they worked fine.

On Aug 16, 3:21 am, Mark Ayers markthe...@gmail.com wrote:
 I would get the one that will be up to date the fastest and the longest, ie
 the Prime. If you need to test for slower devices, you can always
 underclock, but you can't go the other way nearly as easily.
 On Aug 16, 2011 12:10 AM, Zsolt Vasvari zvasv...@gmail.com wrote:







  I wouldn't get the best or fastest device as a development phone
  as 99% of your users won't have such a device and you may not get the
  true feel for the performance of your app.

  On Aug 16, 10:58 am, Mark Ayers markthe...@gmail.com wrote:
  Wait til September, then get either a Nexus Prime or a quad core tablet.
  Those will be far better development devices than the Nexus S. If you
 can't
  wait till then, get an ASUS Transformer, as it will open up a whole bunch
  more new APIs than the Nexus S will sooner, but it might take a touch
 longer
  to get an Ice Cream Sandwich update.
  On Aug 15, 2011 7:28 PM, kypriakos demet...@ece.neu.edu wrote:

   Hi all,

   one of the Android pages points to the Market for buying development
   phones
   (as long as I pay the $25 fee). Has anyone bought such phones from
   there?
   I have two HTC Dream G1 Dev phones (old - running 1.6 on them) and
   it would
   be good if I can find a couple of more of the same or (of course)
   newer models.

   Thanks

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[android-developers] Re: Google Development phones

2011-08-16 Thread kypriakos


Good pt Chris - for now the Use Cases we are after only require good
camera
resolution and wi-fi connectivity (which is mostly standard on all of
these
phones). I am assuming is easy to root most of these phones?

Swappa.com seems to have some good deals so I will follow up with that
one
as well as with TigerDirect.

On Aug 16, 4:20 pm, Christopher Van Kirk
christopher.vank...@gmail.com wrote:
 Be careful here. If you're looking for a phone with 'advanced' graphics
 hardware, one of those el-cheapo things won't do the trick for you. It's
 probably a good idea to narrow your field down to some set of models
 that you are interested in based on what you're planning to develop.
 E.g. a G2 lacks the hardware to support OpenGL ES2.

 On 8/17/2011 1:32 AM, Kristopher Micinski wrote:







  If you're looking for something really cheap(?), I believe sites such
  as TigerDirect have them for as cheap as $99.  (I think I saw that ad
  earlier this week?.)  Even though at this point they're quite old,
  they are pretty useful once you load them with a cyanogenmod.  (up to
  2.2,  I doubt 2.3 runs on that.  But... ?)

  Kris

  On Tue, Aug 16, 2011 at 12:40 PM, Nico Balestra
  nicobales...@gmail.com mailto:nicobales...@gmail.com wrote:

      Just to double check.. does swappa dispatch to UK or is US only?

      Cheers,
      Nico

      2011/8/16 Jake Wharton jakewhar...@gmail.com
      mailto:jakewhar...@gmail.com

          You should also look at swappa.com http://swappa.com for
          inexpensive, used phones. Any of them should suffice for
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[android-developers] Google Development phones

2011-08-15 Thread kypriakos


Hi all,

one of the Android pages points to the Market for buying development
phones
(as long as I pay the $25 fee). Has anyone bought such phones from
there?
I have two HTC Dream G1 Dev phones (old - running 1.6 on them) and
it would
be good if I can find a couple of more of the same or (of course)
newer models.

Thanks

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[android-developers] Image orientation

2011-08-14 Thread kypriakos

Hi all,

I am using an older version of Android (1.6) for some old phones we
are
testing with.
i was able to set the preview orientation as portrait but the images
still
appear as landscape when I save them on sdcard and extract them to
a laptop for viewing. If I reverse the params for the setPictureSize
to (320,480)
I get the pics orientation to be portrait but the contents are still
horizontal.
Any ideas? Thanks

public void surfaceChanged(SurfaceHolder holder, int format, 
int w,
int h) {
Camera.Parameters parameters = mCamera.getParameters();
parameters.set(orientation, portrait);
parameters.setPreviewSize(480,320);
parameters.setPictureSize(480,320);
mCamera.setParameters(parameters);
mCamera.startPreview();
}

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[android-developers] Re: Intents

2011-08-10 Thread kypriakos


You have legitimate points Dianne .. thanks for the detailed feedback.

I am running a web server on the phone (iJetty) and the servlet that
handles incoming requests starts an activity that puts the phone into
a camera preview. This works fine. I wanted subsequent service calls
to
reach the same activity and stop the preview. Not sure if this is
questionable
or not to most but this is what I am after.

Let's take what I am after out of the equation. Is it possible to
communicate
with Activity B from Activity A using subsequent statements of Intent
intent = new Intent()
and set the Extras bundle? I do see the subsequent intent calls reach
Activity B
through the onNewIntent but the Extras are null. Someone pointed out
that using FLAG_ACTIVITY_NEW_TASK
is not the way to go - but if that's omitted and I only use
FLAG_ACTIVITY_SINGLE_TOP
then I get the exception:

Calling startActivity() from outside of an Activity context requires
the FLAG_ACTIVITY_NEW_TASK flag

Thanks

 What do you mean by servlet?  Do you mean a Service?

 This design seems questionable to me.  Trying to communicate with an
 existing activity like this is fraught with peril -- what if the user
 pressed home, you are popping yourself on top of whatever they are now
 doing; what if they pressed back, you are launching a new instance; what if
 they went down deeper in your activity stack, you are now doing ghod knows
 what to the stack by pushing at it from the service.

 Generally if an activity wants to find out about state changes from a
 service, it binds to the service and receives callbacks from it in any of a
 number of ways -- through messengers, aidl, PendingIntent to deliver a
 result, etc.

 Or if this is all one app running all one process, just have a singleton
 that keeps track of the service and your activity can get it to see if it is
 running and add a java interface callback for state changes.

 --
 Dianne Hackborn
 Android framework engineer
 hack...@android.com

 Note: please don't send private questions to me, as I don't have time to
 provide private support, and so won't reply to such e-mails.  All such
 questions should be posted on public forums, where I and others can see and
 answer them.

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[android-developers] Re: Intents

2011-08-10 Thread kypriakos


Ok the answer to what I asked last is yes, I was able to get the
Activities to
communicate via the Extras. The Preview starts, snaps pictures and
then the
subsequent call stops the preview.

Now regarding to what Dianne pointed out, I will look into her
suggestions
and see where we need to inject such logic to avoid user issues going
up
and down an undeterministic stack.

Thanks to all for the invaluable feedback - I appreciate it!

On Aug 10, 2:32 am, Dianne Hackborn hack...@android.com wrote:
 On Tue, Aug 9, 2011 at 7:56 AM, kypriakos demet...@ece.neu.edu wrote:
  I am running a servlet on the phone that starts an Intent on an
  Activity class.
  The class starts the camera preview and takes a picture. Then I have a
  subsequent
  Intent start on the same Activity class to stop the preview. The
  second Intent
  will fall into the OnNewIntent. It also carries a set of extra
  parameters
  that I want to read and use iwthin the OnNewIntent. How do I access
  those
  Extra params? I have used Extra bundles before and I know how they
  work.
  So what do you mean I need to remember the Intent?

 What do you mean by servlet?  Do you mean a Service?

 This design seems questionable to me.  Trying to communicate with an
 existing activity like this is fraught with peril -- what if the user
 pressed home, you are popping yourself on top of whatever they are now
 doing; what if they pressed back, you are launching a new instance; what if
 they went down deeper in your activity stack, you are now doing ghod knows
 what to the stack by pushing at it from the service.

 Generally if an activity wants to find out about state changes from a
 service, it binds to the service and receives callbacks from it in any of a
 number of ways -- through messengers, aidl, PendingIntent to deliver a
 result, etc.

 Or if this is all one app running all one process, just have a singleton
 that keeps track of the service and your activity can get it to see if it is
 running and add a java interface callback for state changes.

 --
 Dianne Hackborn
 Android framework engineer
 hack...@android.com

 Note: please don't send private questions to me, as I don't have time to
 provide private support, and so won't reply to such e-mails.  All such
 questions should be posted on public forums, where I and others can see and
 answer them.

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[android-developers] Re: Intents


I am not sure what you mean Dianne - and that's probably because I am
still not
sure the way I think of this is the right way.

I am running a servlet on the phone that starts an Intent on an
Activity class.
The class starts the camera preview and takes a picture. Then I have a
subsequent
Intent start on the same Activity class to stop the preview. The
second Intent
will fall into the OnNewIntent. It also carries a set of extra
parameters
that I want to read and use iwthin the OnNewIntent. How do I access
those
Extra params? I have used Extra bundles before and I know how they
work.
So what do you mean I need to remember the Intent?

Thanks for the response

On Aug 9, 2:17 am, Dianne Hackborn hack...@android.com wrote:
 No.  That is telling you about the new Intent.  If you want to remember it,
 you will need to remember it yourself.









 On Mon, Aug 8, 2011 at 8:43 PM, kypriakos demet...@ece.neu.edu wrote:

  Exactly!

  I am getting nulls when accessing the extras that I set from the
  launching intent:

     @Override
         protected void onNewIntent(Intent intent){
                 // super.onNewIntent(intent);
                 setIntent(intent);
                 Log.v(NotifServImpl,# =
  +intent.getExtras().getString(from));
                 Bundle extras = intent.getExtras();
                 ...

  I was under the impression that setting the intent in this method
  would guarantee that
  i am working with the newest intent. Is this the right approach?

  On Aug 8, 2:56 pm, Mark Murphy mmur...@commonsware.com wrote:
   On Mon, Aug 8, 2011 at 2:27 PM, kypriakos demet...@ece.neu.edu wrote:
Never mind - most likely missing the Override allows for anything ;)

   Bingo. @Override has no effect at runtime, but it's a compile-time
   sanity check. Rather useful, particularly for classes with lots of
   generics (e.g., AsyncTask).

   --
   Mark Murphy (a Commons Guy)http://commonsware.com|
 http://github.com/commonsguyhttp://commonsware.com/blog|http://twitter.com/commonsguy

   Android 3.1 Programming Books:http://commonsware.com/books

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 --
 Dianne Hackborn
 Android framework engineer
 hack...@android.com

 Note: please don't send private questions to me, as I don't have time to
 provide private support, and so won't reply to such e-mails.  All such
 questions should be posted on public forums, where I and others can see and
 answer them.

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[android-developers] Re: Intents


 Blech.

he he ;)

 Use the Intent supplied to onNewIntent(). The Intent returned by
 getIntent() will always be the original Intent used to create the
 activity.

But I am - and that's where the null exception occurs. Not sure if the
setIntent or  the super are needed. I will poke around a bit more to
see what is going on. But if the Intent supplied by the onNewIntent()
is what I need then that puts me on the right path.

Thanks again guys

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[android-developers] Re: Intents


Gotcha - but do you agree that the following should work and return
the Extras bundle?

@Override
protected void onNewIntent(Intent intent){

Bundle extras = intent.getExtras();
...


Like Mark said, the intent var that is passed to the onNewIntent each
time I start a new
intent on a particular activity should hold a ref to that new intent
and I should be able
to access the data from it. No?


On Aug 9, 1:26 pm, Jim secondphonea...@gmail.com wrote:
 Since setIntent() stores a reference to the intent sent to
 onNewIntent(), you need to either capture the data there or copy the
 Intent to a local variable and reference it. Once onNewIntent()
 finishes, the Intent goes away and your reference is null.

 Try that...

 -Jim

 On Aug 9, 10:46 am, kypriakos demet...@ece.neu.edu wrote:







   Blech.

  he he ;)

   Use the Intent supplied to onNewIntent(). The Intent returned by
   getIntent() will always be the original Intent used to create the
   activity.

  But I am - and that's where the null exception occurs. Not sure if the
  setIntent or  the super are needed. I will poke around a bit more to
  see what is going on. But if the Intent supplied by the onNewIntent()
  is what I need then that puts me on the right path.

  Thanks again guys

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[android-developers] Re: Intents


And I start the intents each time with this:

Intent intent = new Intent();
intent.setClass(androidContext, myClass.class);
intent.setFlags(intent.FLAG_ACTIVITY_NEW_TASK);
intent.addFlags(intent.FLAG_ACTIVITY_SINGLE_TOP);
intent.putExtra(from, stop);
androidContext.startActivity(intent);

On Aug 9, 1:26 pm, Jim secondphonea...@gmail.com wrote:
 Since setIntent() stores a reference to the intent sent to
 onNewIntent(), you need to either capture the data there or copy the
 Intent to a local variable and reference it. Once onNewIntent()
 finishes, the Intent goes away and your reference is null.

 Try that...

 -Jim

 On Aug 9, 10:46 am, kypriakos demet...@ece.neu.edu wrote:







   Blech.

  he he ;)

   Use the Intent supplied to onNewIntent(). The Intent returned by
   getIntent() will always be the original Intent used to create the
   activity.

  But I am - and that's where the null exception occurs. Not sure if the
  setIntent or  the super are needed. I will poke around a bit more to
  see what is going on. But if the Intent supplied by the onNewIntent()
  is what I need then that puts me on the right path.

  Thanks again guys

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[android-developers] Re: Intents

@Jim
Yes it does get called. I added the NEW_TASK and the SINGLE_TOP
flags to be able to start the intent and then to start subsequent
ones. But as you note here if I don't remove the NEW_TASK flag
each tiem I revisit the launching code I will keep generating a new
intent - right?
Regarding your previous post, yes the Extras bundle include strings
and keys and in fact that's the code I use in the OnCreate to pass
other params to the intent and it works so I am sure that's not the
case. if you right above then this explains what's going on.

@Kostya
A very legitimate pt ;) I should have included this in the original
posting. The exception occurs once I reference the intent handler.
If Jim is right from above I am assuming I will need to call use
the NEW_TASK flag only once to launch the original intent?

I/System.out(  341): # 1 = onNewIntent has been called ...
E/AndroidRuntime(  341): java.lang.NullPointerException
E/AndroidRuntime(  341):at
org.mortbay.ijetty.snapPic2.mysnapPic2ServiceImpl.onNewIntent(mysnapPic2ServiceImpl.java:
164)
E/AndroidRuntime(  341):at
android.app.Instrumentation.callActivityOnNewIntent(Instrumentation.java:
1195)
E/AndroidRuntime(  341):at
android.app.ActivityThread.deliverNewIntents(ActivityThread.java:2471)
E/AndroidRuntime(  341):at
android.app.ActivityThread.performNewIntents(ActivityThread.java:2483)
E/AndroidRuntime(  341):at
android.app.ActivityThread.handleNewIntent(ActivityThread.java:2491)
E/AndroidRuntime(  341):at android.app.ActivityThread.access
$2900(ActivityThread.java:116)
E/AndroidRuntime(  341):at android.app.ActivityThread
$H.handleMessage(ActivityThread.java:1840)
E/AndroidRuntime(  341):at
android.os.Handler.dispatchMessage(Handler.java:99)
E/AndroidRuntime(  341):at android.os.Looper.loop(Looper.java:
123)
E/AndroidRuntime(  341):at
android.app.ActivityThread.main(ActivityThread.java:4203)
E/AndroidRuntime(  341):at
java.lang.reflect.Method.invokeNative(Native Method)
E/AndroidRuntime(  341):at
java.lang.reflect.Method.invoke(Method.java:521)
E/AndroidRuntime(  341):at com.android.internal.os.ZygoteInit
$MethodAndArgsCaller.run(ZygoteInit.java:791)
E/AndroidRuntime(  341):at
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:549)
E/AndroidRuntime(  341):at
dalvik.system.NativeStart.main(Native Method)

On Aug 9, 3:46 pm, Jim secondphonea...@gmail.com wrote:
 Didn't see your previous post... FLAG_ACTIVITY_SINGLE_TOP causes a
 call to onNewIntent, but FLAG_ACTIVITY_NEW_TASK starts a new task and
 new activity. Is onNewIntent even being called? It shouldn't be since
 FLAG_ACTIVITY_NEW_TASK means the activity can't be recycled, it must
 be created in the current new task. You probably want
 FLAG_ACTIVITY_CLEAR_TOP and FLAG_ACTIVITY_SINGLE_TOP...

 -Jim

 On Aug 9, 1:59 pm, Jim secondphonea...@gmail.com wrote:







  That's true. Do you do anything in onResume() to alter the data? And,
  this might sound silly, but are you sure a String was stored where
  getString is called? (For example, if you putExtra a bundle, then
  getExtra returns a Bundle, not a string...)

  Hope that helps.

  -Jim

  On Aug 9, 1:16 pm, kypriakos demet...@ece.neu.edu wrote:

   Gotcha - but do you agree that the following should work and return
   the Extras bundle?

       @Override
           protected void onNewIntent(Intent intent){

                   Bundle extras = intent.getExtras();
                   ...

   Like Mark said, the intent var that is passed to the onNewIntent each
   time I start a new
   intent on a particular activity should hold a ref to that new intent
   and I should be able
   to access the data from it. No?

   On Aug 9, 1:26 pm, Jim secondphonea...@gmail.com wrote:

Since setIntent() stores a reference to the intent sent to
onNewIntent(), you need to either capture the data there or copy the
Intent to a local variable and reference it. Once onNewIntent()
finishes, the Intent goes away and your reference is null.

Try that...

-Jim

On Aug 9, 10:46 am, kypriakos demet...@ece.neu.edu wrote:

  Blech.

 he he ;)

  Use the Intent supplied to onNewIntent(). The Intent returned by
  getIntent() will always be the original Intent used to create the
  activity.

 But I am - and that's where the null exception occurs. Not sure if the
 setIntent or  the super are needed. I will poke around a bit more to
 see what is going on. But if the Intent supplied by the onNewIntent()
 is what I need then that puts me on the right path.

 Thanks again guys

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[android-developers] Re: Intents

Hi Mark,

right on! An oversight on my part.

Thanks

On Aug 7, 6:38 am, Mark Murphy mmur...@commonsware.com wrote:
 On Sun, Aug 7, 2011 at 4:25 AM, kypriakos demet...@ece.neu.edu wrote:
  I start an new intent on an activity:

  Intent intent = new Intent();

  intent.seClass (..);

  intent.setFlags(...NEW_TASK);
  intent.addFlags(...SINGLE_TOP);

  startActivity(intent).

  In the target Activity I have the onNewIntent() that simply has code
  for doing some processing.

  I see the OnCreate get created but any subsequent executions of the
  above block does not call the
  OnNewIntent. Does the launcheMode=singleTask need to be defined in
  the manifest for this to work?

 No.

 Make sure you have the @Override annotation on onNewIntent() so you
 are implementing the right method signature.

  Is there anything else that is necessary to get this  to work?

 Not that I am aware of.

 --
 Mark Murphy (a Commons 
 Guy)http://commonsware.com|http://github.com/commonsguyhttp://commonsware.com/blog|http://twitter.com/commonsguy

 _The Busy Coder's Guide to *Advanced* Android Development_ Version 2.0
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[android-developers] Re: Intents


One additional question - I see that both OnNewIntent and onNewIntent
compile
fine. Is there a difference between the two?

On Aug 7, 6:38 am, Mark Murphy mmur...@commonsware.com wrote:
 On Sun, Aug 7, 2011 at 4:25 AM, kypriakos demet...@ece.neu.edu wrote:
  I start an new intent on an activity:

  Intent intent = new Intent();

  intent.seClass (..);

  intent.setFlags(...NEW_TASK);
  intent.addFlags(...SINGLE_TOP);

  startActivity(intent).

  In the target Activity I have the onNewIntent() that simply has code
  for doing some processing.

  I see the OnCreate get created but any subsequent executions of the
  above block does not call the
  OnNewIntent. Does the launcheMode=singleTask need to be defined in
  the manifest for this to work?

 No.

 Make sure you have the @Override annotation on onNewIntent() so you
 are implementing the right method signature.

  Is there anything else that is necessary to get this  to work?

 Not that I am aware of.

 --
 Mark Murphy (a Commons 
 Guy)http://commonsware.com|http://github.com/commonsguyhttp://commonsware.com/blog|http://twitter.com/commonsguy

 _The Busy Coder's Guide to *Advanced* Android Development_ Version 2.0
 Available!

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[android-developers] Re: Intents


Never mind - most likely missing the Override allows for anything ;)

On Aug 7, 6:38 am, Mark Murphy mmur...@commonsware.com wrote:
 On Sun, Aug 7, 2011 at 4:25 AM, kypriakos demet...@ece.neu.edu wrote:
  I start an new intent on an activity:

  Intent intent = new Intent();

  intent.seClass (..);

  intent.setFlags(...NEW_TASK);
  intent.addFlags(...SINGLE_TOP);

  startActivity(intent).

  In the target Activity I have the onNewIntent() that simply has code
  for doing some processing.

  I see the OnCreate get created but any subsequent executions of the
  above block does not call the
  OnNewIntent. Does the launcheMode=singleTask need to be defined in
  the manifest for this to work?

 No.

 Make sure you have the @Override annotation on onNewIntent() so you
 are implementing the right method signature.

  Is there anything else that is necessary to get this  to work?

 Not that I am aware of.

 --
 Mark Murphy (a Commons 
 Guy)http://commonsware.com|http://github.com/commonsguyhttp://commonsware.com/blog|http://twitter.com/commonsguy

 _The Busy Coder's Guide to *Advanced* Android Development_ Version 2.0
 Available!

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[android-developers] Re: Intents


Exactly!

I am getting nulls when accessing the extras that I set from the
launching intent:

@Override
protected void onNewIntent(Intent intent){
// super.onNewIntent(intent);
setIntent(intent);
Log.v(NotifServImpl,# =
+intent.getExtras().getString(from));
Bundle extras = intent.getExtras();
...

I was under the impression that setting the intent in this method
would guarantee that
i am working with the newest intent. Is this the right approach?

On Aug 8, 2:56 pm, Mark Murphy mmur...@commonsware.com wrote:
 On Mon, Aug 8, 2011 at 2:27 PM, kypriakos demet...@ece.neu.edu wrote:
  Never mind - most likely missing the Override allows for anything ;)

 Bingo. @Override has no effect at runtime, but it's a compile-time
 sanity check. Rather useful, particularly for classes with lots of
 generics (e.g., AsyncTask).

 --
 Mark Murphy (a Commons 
 Guy)http://commonsware.com|http://github.com/commonsguyhttp://commonsware.com/blog|http://twitter.com/commonsguy

 Android 3.1 Programming Books:http://commonsware.com/books

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[android-developers] Re: Comms with Intent

2011-08-07 Thread kypriakos

And in fact the onNewIntent (which still compiles if it is
OnNewIntent!)
is never called .. so something is not being set right.

On Aug 7, 1:39 am, kypriakos demet...@ece.neu.edu wrote:
 Actually never mind that - I should have been using addFlags the
 second time and
 not setFlags on both flags. Still the issue seems  to be that the
 preview freezes
 after the first pic is snapped and every additional call to the
 service takes
 pictures the same size as before regardless of where the phone points.
 Interesting ...
 And I don't see the OnNewIntent get called each subsequent time ...

 On Aug 7, 12:33 am, kypriakos demet...@ece.neu.edu wrote:







  Well - the issue I am running into now is this:
  Calling startActivity() from outside of an Activity  context requires
  the FLAG_ACTIVITY_NEW_TASK flag. Is this really what you want?

  I start the activity with the NEW_TASK flag and it works fine. If I
  use the SINGLE_TOP then
  the exception above occurs. Is there a way to combine intent flags in
  Android?

          intent.setClass(androidContext,
  org.mortbay.ijetty.snapPic2.mysnapPic2ServiceImpl.class);

          // intent.setFlags(intent.FLAG_ACTIVITY_NEW_TASK);
          intent.setFlags(intent.FLAG_ACTIVITY_SINGLE_TOP);

  On Aug 2, 10:35 am, Nikolay Elenkov nikolay.elen...@gmail.com wrote:

   On Tue, Aug 2, 2011 at 11:29 PM, kypriakos demet...@ece.neu.edu wrote:

Actually one more question - since I want the Activity to keep alive
with the camera preview on, would the subsequent Intent launching
(and calls to OnNewIntent) allow me to control the open preview. I
think
yes since the Activity (unless I call finish()) should still be active
right?

   As long as you don't start another activity, your preview activity
   should stay in the foreground. How well that will work with
   controlling the actual preview, I don't know. Try it out.

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[android-developers] Intents

2011-08-07 Thread kypriakos


Hi all,

I start an new intent on an activity:

Intent intent = new Intent();

intent.seClass (..);

intent.setFlags(...NEW_TASK);
intent.addFlags(...SINGLE_TOP);

startActivity(intent).

In the target Activity I have the onNewIntent() that simply has code
for doing some processing.

I see the OnCreate get created but any subsequent executions of the
above block does not call the
OnNewIntent. Does the launcheMode=singleTask need to be defined in
the manifest for this to work?
Is there anything else that is necessary to get this  to work?

Thanks

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[android-developers] Re: Comms with Intent

2011-08-06 Thread kypriakos

Well - the issue I am running into now is this:
Calling startActivity() from outside of an Activity  context requires
the FLAG_ACTIVITY_NEW_TASK flag. Is this really what you want?

I start the activity with the NEW_TASK flag and it works fine. If I
use the SINGLE_TOP then
the exception above occurs. Is there a way to combine intent flags in
Android?

intent.setClass(androidContext,
org.mortbay.ijetty.snapPic2.mysnapPic2ServiceImpl.class);

// intent.setFlags(intent.FLAG_ACTIVITY_NEW_TASK);
intent.setFlags(intent.FLAG_ACTIVITY_SINGLE_TOP);


On Aug 2, 10:35 am, Nikolay Elenkov nikolay.elen...@gmail.com wrote:
 On Tue, Aug 2, 2011 at 11:29 PM, kypriakos demet...@ece.neu.edu wrote:

  Actually one more question - since I want the Activity to keep alive
  with the camera preview on, would the subsequent Intent launching
  (and calls to OnNewIntent) allow me to control the open preview. I
  think
  yes since the Activity (unless I call finish()) should still be active
  right?

 As long as you don't start another activity, your preview activity
 should stay in the foreground. How well that will work with
 controlling the actual preview, I don't know. Try it out.

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[android-developers] Re: Comms with Intent

2011-08-06 Thread kypriakos


Actually never mind that - I should have been using addFlags the
second time and
not setFlags on both flags. Still the issue seems  to be that the
preview freezes
after the first pic is snapped and every additional call to the
service takes
pictures the same size as before regardless of where the phone points.
Interesting ...
And I don't see the OnNewIntent get called each subsequent time ...

On Aug 7, 12:33 am, kypriakos demet...@ece.neu.edu wrote:
 Well - the issue I am running into now is this:
 Calling startActivity() from outside of an Activity  context requires
 the FLAG_ACTIVITY_NEW_TASK flag. Is this really what you want?

 I start the activity with the NEW_TASK flag and it works fine. If I
 use the SINGLE_TOP then
 the exception above occurs. Is there a way to combine intent flags in
 Android?

         intent.setClass(androidContext,
 org.mortbay.ijetty.snapPic2.mysnapPic2ServiceImpl.class);

         // intent.setFlags(intent.FLAG_ACTIVITY_NEW_TASK);
         intent.setFlags(intent.FLAG_ACTIVITY_SINGLE_TOP);

 On Aug 2, 10:35 am, Nikolay Elenkov nikolay.elen...@gmail.com wrote:







  On Tue, Aug 2, 2011 at 11:29 PM, kypriakos demet...@ece.neu.edu wrote:

   Actually one more question - since I want the Activity to keep alive
   with the camera preview on, would the subsequent Intent launching
   (and calls to OnNewIntent) allow me to control the open preview. I
   think
   yes since the Activity (unless I call finish()) should still be active
   right?

  As long as you don't start another activity, your preview activity
  should stay in the foreground. How well that will work with
  controlling the actual preview, I don't know. Try it out.

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[android-developers] Re: Comms with Intent

2011-08-02 Thread kypriakos


Well that's what I was actually aiming at and I think we agree -
OnNewIntent is afterall a method in the Activity called by the
underlying
framework on each launching - makes sense! Thanks NE

On Aug 1, 9:56 pm, Nikolay Elenkov nikolay.elen...@gmail.com wrote:
 On Tue, Aug 2, 2011 at 4:18 AM, kypriakos demet...@ece.neu.edu wrote:

  You could launch the activity using the FLAG_ACTIVITY_SINGLE_TOP
  flag. Then when you call startActivity() again, a new instance
  won't be created, the intent will be delivered to onNewIntent().

  So if I still have a handle to the intent when I relaunch it as you
  describe above, would I still be able to call methods on it.

 You can make a new intent every time, and change the data/extras
 as needed. Then in your Activity's onNewInent() you look at each
 received intent's contents and decide what to do.  Calling methods
 on an Intent doesn't communicate with the Activitiy, you need to
 deliver the intent.

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[android-developers] Re: Comms with Intent

2011-08-02 Thread kypriakos


Actually one more question - since I want the Activity to keep alive
with the camera preview on, would the subsequent Intent launching
(and calls to OnNewIntent) allow me to control the open preview. I
think
yes since the Activity (unless I call finish()) should still be active
right?

On Aug 1, 9:56 pm, Nikolay Elenkov nikolay.elen...@gmail.com wrote:
 On Tue, Aug 2, 2011 at 4:18 AM, kypriakos demet...@ece.neu.edu wrote:

  You could launch the activity using the FLAG_ACTIVITY_SINGLE_TOP
  flag. Then when you call startActivity() again, a new instance
  won't be created, the intent will be delivered to onNewIntent().

  So if I still have a handle to the intent when I relaunch it as you
  describe above, would I still be able to call methods on it.

 You can make a new intent every time, and change the data/extras
 as needed. Then in your Activity's onNewInent() you look at each
 received intent's contents and decide what to do.  Calling methods
 on an Intent doesn't communicate with the Activitiy, you need to
 deliver the intent.

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[android-developers] Re: Comms with Intent

2011-08-02 Thread kypriakos


Sure will man thanks. But that was the idea so you were right on!

On Aug 2, 10:35 am, Nikolay Elenkov nikolay.elen...@gmail.com wrote:
 On Tue, Aug 2, 2011 at 11:29 PM, kypriakos demet...@ece.neu.edu wrote:

  Actually one more question - since I want the Activity to keep alive
  with the camera preview on, would the subsequent Intent launching
  (and calls to OnNewIntent) allow me to control the open preview. I
  think
  yes since the Activity (unless I call finish()) should still be active
  right?

 As long as you don't start another activity, your preview activity
 should stay in the foreground. How well that will work with
 controlling the actual preview, I don't know. Try it out.

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[android-developers] Re: Comms with Intent

2011-08-01 Thread kypriakos


Thanks for the response Nikolay ---

 Assuming the servlet runs in a separate thread, no. Not directly
 at least.

That's what I was afraid of ...

 You could launch the activity using the FLAG_ACTIVITY_SINGLE_TOP
 flag. Then when you call startActivity() again, a new instance
 won't be created, the intent will be delivered to onNewIntent().

Worth trying.

 Alternatively, you could use a Handler to send messages to
 the GUI thread. The hard part may be how to get a GUI-thread
 Handler to your servlet container though. Assuming the whole
 app server is started from the GUI thread, you have to create
 a Handler (on the GUI thread) and find a way to stuff it in a
 globally accessible place (Application static field, etc.)

Yes I agree, not sure how I can get the Handler but I will look into
it. Not a bad idea at all! Thakns

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[android-developers] Re: Comms with Intent

2011-08-01 Thread kypriakos


 You could launch the activity using the FLAG_ACTIVITY_SINGLE_TOP
 flag. Then when you call startActivity() again, a new instance
 won't be created, the intent will be delivered to onNewIntent().

So if I still have a handle to the intent when I relaunch it as you
describe above, would I still be able to call methods on it. The
idea is for me to be able to start the preview, let it run on the
server, keep snapping pics whenever a request comes in and then
stop it. I can do a single shot for now only ..

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[android-developers] Comms with Intent

2011-07-31 Thread kypriakos


Hi all,

I launch an Intent from a servlet once a request for it comes in. The
Intent launches
a SnapPic activity that puts the phone into a preview mode and then
snaps
a pic and send it back to the requester. This works fine - I am now
truing to keep
the phone in the preview mode (I don't call the finish()) on the
activity and for
any subsequent requests I am trying to snap more pictures. Can calls
to methods
of the launched Activity be made from the servlet? In other words, how
can one
app communicate with an activity that it launches? I think this is a
matter of
communicating threads so I am wondering if there's an alternative way
to approach
this problem.

Thanks

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[android-developers] Android Google Maps API

2011-07-20 Thread kypriakos


Hi all,

I am accessing the Google Maps API from the device. The app is managed
using maven and during development I added the necessary dependencies
to include the Maps library:

dependency
groupIdcom.google.android.maps/groupId
artifactIdmaps/artifactId
version4_r2/version
scopeprovided/scope
/dependency

The app compiles fine and by using the 'provided' scope as suggested
by the maven pages
on Android, the app should use the phone's maps.jar at runtime. But it
doesn't. I get the
following - the MapActivity class cannot be resolved and I get the
cross-loader issue.
Looking at the apk's dex classes I do see that the maps.jar classes
are included in the
apk. Has anyone seen this before? Could this be a maven issue?


W/dalvikvm( 1764): Class resolved by unexpected DEX: LgoogleMapView;
(0x437441e8):0x1af988 ref [Lcom/google/android/maps/MapActivity;] Lcom/
google/android/maps/MapActivity;(0x437441e8):0x1a4068
W/dalvikvm( 1764): Unable to resolve superclass of LgoogleMapView;
(86)
W/dalvikvm( 1764): Link of class 'LgoogleMapView;' failed
D/AndroidRuntime( 1764): Shutting down VM
W/dalvikvm( 1764): threadid=3: thread exiting with uncaught exception
(group=0x4001da28)
E/AndroidRuntime( 1764): Uncaught handler: thread main exiting due to
uncaught exception
E/AndroidRuntime( 1764): java.lang.NoClassDefFoundError: googleMapView
E/AndroidRuntime( 1764):at E/AndroidRuntime( 1764): Caused by:
java.lang.IllegalAccessError: cross-loader access from pre-verified
class
E/AndroidRuntime( 1764):at
dalvik.system.DexFile.defineClass(Native Method)
E/AndroidRuntime( 1764):at
dalvik.system.DexFile.loadClass(DexFile.java:193)
E/AndroidRuntime( 1764):at
dalvik.system.PathClassLoader.findClass(PathClassLoader.java:203)
E/AndroidRuntime( 1764):at
java.lang.ClassLoader.loadClass(ClassLoader.java:573)
E/AndroidRuntime( 1764):at
java.lang.ClassLoader.loadClass(ClassLoader.java:532)
E/AndroidRuntime( 1764):... 10 more
I/Process (   86): Sending signal. PID: 1764 SIG: 3
I/dalvikvm( 1764): threadid=7: reacting to signal 3
I/dalvikvm( 1764): Wrote stack trace to '/data/anr/traces.txt'


Thanks

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[android-developers] Emulator connectivity

2011-07-18 Thread kypriakos


Hi all,

I have been working with real devices for a while and returning back
to
emulators now. I am able to port forward the iJetty web server (which
is
running on 10.0.2.15:8080) and I can now access it from the browser
running on the local machine using localhost:8080. But to be able to
see this server now remotely I will most likely need a port forwarding
pipe - is that true? To be able to bridge the localhost to the actual
machine's IP address? (I remember a tool called tcppipe once).
Is this the best approach in such a case to expose the emulator
to remote machines?

Thanks in advance

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[android-developers] Re: Android and Google Maps

2011-07-18 Thread kypriakos


Hi,

I tried the link below - in fact it is fairly similar to the
Professional
Android book example ;)

The app starts fine and it does display a map grid but no map. I am
using
the google map api key assigned to my account for Android access to
the
maps.

Any idea as to why this map shows up blank?

Thanks again

On Jul 16, 10:50 am, kypriakos demet...@ece.neu.edu wrote:
 Good link - thanks.

 Have you tried building such Android projects using maven?

 On Jul 16, 2:19 am, nageswara rao rajana nagu.raj...@gmail.com
 wrote:







  try this link

   http://marakana.com/forums/android/examples/311.html

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[android-developers] Start Intent

2011-07-17 Thread kypriakos


HI all,

from an activity class A I start another activity process (class B
belongin to the same package)
using the following:

Intent intent = new Intent();
intent.setClass(myContext,
org.myClass.ServiceImpl.class);
intent.setFlags(intent.FLAG_ACTIVITY_NEW_TASK);
myContext.startActivity(intent);

What is the context of class B? What is the setClass method setting?
If I want
to start yet another activity from inside another class (class C) does
the context
get passed across these classes? Shouldn't the 'this' grab the app's
context?

Thanks

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[android-developers] Android and Google Maps

2011-07-16 Thread kypriakos


HI all,

I am adding the Google Maps library through the AndroidManifest.xml
in my app using:

  uses-library
android:name=com.google.android.maps”/

But it does not seem to pick it up ... Is there anything else that
needs
to be done other than this? Is there a particular path that needs to
be
added (I am using Eclipse for the development) to the project's
classpath
which already includes all the Android framework's classes?

Thanks

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[android-developers] Re: Android and Google Maps

2011-07-16 Thread kypriakos

Good link - thanks.

Have you tried building such Android projects using maven?

On Jul 16, 2:19 am, nageswara rao rajana nagu.raj...@gmail.com
wrote:
 try this link

  http://marakana.com/forums/android/examples/311.html

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[android-developers] Dialog boxes

2011-07-13 Thread kypriakos


Hi all,

are asynchronous alert boxes the only dialog model that Android
allows?
For example, if I want to notify the user of an operation that a
background process
is about to perform and ask his/hers permission while blocking that
process,
would that be possible?

Thanks

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[android-developers] Re: Android and OSGi/Apache Felix

2011-07-08 Thread kypriakos


I think Knopflerfish is close to releasing a version of their OSGi
spec
implentation for Android ...

Regarding the rest, security, android lifecycle and the rest of
worries
I am reading here I didn't get enough time to look into it but I do
see
many benefits of OSGi on mobile platforms - ex. Titan that Sprint
used.
No idea how it did but their intent was pretty novel.

And I think you got some good feedback in this thread as I can see -
cool!


On Jul 8, 5:04 am, Daniel Drozdzewski daniel.drozdzew...@gmail.com
wrote:
 On 7 July 2011 23:07, Jesse gotosl...@gmail.com wrote:

  I have looked at that, but the EZDroid community hasn't been updated since
  2009 and there is practically no content on their site. This makes me think
  it is completely abandoned. They do link to some code which was presented at
  a conference a few years
  back: https://opensource.luminis.net/wiki/display/SITE/Apache+Felix+on+Andr...
   The code is extremely basic though and it doesn't address any of my
  concerns. In their example projects, they create all views through code.
  They don't reference any Android resources, such as layout files. There is
  no discussion on what happens to the view created by the bundle if the
  bundle needs to be updated or removed.
  Also, there is the fact that it is impossible to add an activity or service
  to an application without modifying the Android manifest.

 Jesse,

 That presentation that you linked shows few things that might be of help:
 - Android does not allow apps to dynamically load classes, but there
 are workarounds (app has root or all access allowed to
 /data/dalvik-cache
 - Apache Felix is portable (no crazy dependencies), so you can keep
 porting newer versions as you need to Android

 What I understand is that you can achieve OSGI on a servce/business logic 
 layer
 Resources (layouts, strings, graphics, ...) in Android are
 pre-packaged and pre-compiled into binary bundle and then statically
 referenced through R class, so here things get complicated.

 I don't think that by dropping a new class or a set of classes
 (bundle), which is what OSGI enables, you could swap binary resources
 files into an application and R class with it.

 In other words OSGI allows dynamic deployment of classes and services,
 rather than dynamic deployment of arbitrary files.

 This means that you would have to expose your layouts through the
 service. In other words have your layouts defined in code, rather than
 XML files and your activities would have to use the coded layouts
 served by the OSGI service running as a part of your app.

 Your layouts would have to come with their resources and you would be
 loading those resources using your custom code rather than Android
 APIs.

 You could have service exposed and managed through OSGI to retrieve
 activities, which the Apache Felix presentation shows. That would
 essentially be, what you need.

 Only thing that I am not sure about is the security and implications
 of such setup... Apps need digital signing, activities and services
 need upfront declaring through the manifest file. The presentations
 asks Google for dynamic class loading and dynamic security policies,
 which suggests that they have had some troubles. It is not clear
 whether they have managed to work around these.

 If you are in charge of the device, there might be a way around such
 limitation, say by installing your certificate as trusted one, so that
 provisioned code signed with your key would be trusted. Again this is
 a question to a platform engineer.

 Luminis website [*] certainly has some demo code next to that
 presentation, so give it a go and see what can and cannot be achieved.

 Good Luck and if possible, please share your findings.

 Daniel

 [*]https://opensource.luminis.net/wiki/display/SITE/Apache+Felix+on+Andr...

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[android-developers] Re: Intent / PendingIntent

2011-07-01 Thread kypriakos


Right - and this is not a blocking operation but rather an
asynchronous
callback to the onActivityResult right? For some reason the callback
was not occurring but I think I found an issue in the spawned thread.

Thanks Kostya, I got it ...

On Jun 30, 1:53 pm, Kostya Vasilyev kmans...@gmail.com wrote:
 Um, startActivityForResult?

 --
 Kostya Vasilyev
 30.06.2011 21:47 пользователь kypriakos demet...@ece.neu.edu написал:









  Hi all,

  I have a process that creates and starts an Intent with the
  startActivity. I want the
  process to wait for continuous results returned from the activity
  while the activity
  is executing and a final result once it is finished. Would the
  PendingActivity API
  help me with this or is there anything else in the API I can use?

  Thanks

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[android-developers] Intent / PendingIntent

2011-06-30 Thread kypriakos


Hi all,

I have a process that creates and starts an Intent with the
startActivity. I want the
process to wait for continuous results returned from the activity
while the activity
is executing and a final result once it is finished. Would the
PendingActivity API
help me with this or is there anything else in the API I can use?

Thanks

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[android-developers] Stream live camera preview

2011-06-13 Thread kypriakos


Hi all,

I have been trying to stream the camera preview across phones. I am
using
the setPreviewCallback to get notified for each frame and then tried
to stream it
across to other peers. I am not sure this can be done over HTTP so I
am
looking into SIP. I found out the SIP only works in Android 2.3+ so I
am
wondering if there's any other method pre-2.3 that can be used in this
case.
If anyone has managed to do this I will appreciate any hints to
follow.

Thanks

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[android-developers] Camera preview, video streaming across phones

2011-06-08 Thread kypriakos


Hi all,

Not sure if i am asking something that could be impossible to
accomplish
(that's why I am asking it anyway ;) ) - Currently I can remotely put
the Android
phone into a Picture preview, instruct it to snap a Picture and then
view the
picture on the remote site (through a browser).
Is it possible to stream the Picture preview to another phone or a
remote device?
On a related note, would it be possible to stream video across phones?
I haven't
found much by searching on this (may be I am using the wrong keywords)
but
it anyone has any info that something like this has been done it will
certainly
help me avoid reinventing the wheel.

Thanks very much in advance

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[android-developers] Re: Multiple databases

2011-05-26 Thread kypriakos


Actually the DB is only 15KB (very few entries). This is a bit strange
-
actually I did a Clean on 3 other projects and when I built them they
all cannot generate the apk. So it seems that this is global issue
in Eclipse now. I read that Locale was an issue, others said the jvm
you start Eclipse with etc. Still none of them work in this case. The
code compiles fine but packaging it does not work .. any ideas?

Thanks

On May 25, 11:31 pm, Nikolay Elenkov nikolay.elen...@gmail.com
wrote:
 On Thu, May 26, 2011 at 6:54 AM, kypriakos demet...@ece.neu.edu wrote:

  An easy question - you can create and include multiple databases in
  the assets directory of an Android app? I had one database in there
  and it worked fine. I created a new one and Eclipse ADT won't create
  an apk file at the end of Clean/Build Project.

 Any error messages? Assets files are limited in size, around or 1MB IIRC.
 So if your DB file is bigger than that, you will get an error.

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[android-developers] Eclipse stopped creating APKs

2011-05-26 Thread kypriakos

Hi all,

this is a separate issue from the question I posted regarding multiple
databases in the same Android app so I am posting it in a different
thread.

I was able to create, compile and deploy android projects from version
1.6 to now without many issues in Eclipse Galileo. All the sudden this
has changed. Now a Clean/Build on a project generates the classes but
the apk is never created. If I create a project from scratch and
compile it
the same occurs - all but an apk file.

I checked Eclipses memory setting and they seem to be optimal, no
other
errors occur during the compilation. Some older postings mentioned
that
may be the Locale on the Win Xp machine was set wrong, that the
debug.keystore
needs to be removed and replace etc. No concrete explanation for this
so
I was wondering if there is a knowledge base around this issue here or
any
hints on what I can look for.

Thanks very much in advance

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[android-developers] Multiple databases

2011-05-25 Thread kypriakos


An easy question - you can create and include multiple databases in
the assets directory of an Android app? I had one database in there
and it worked fine. I created a new one and Eclipse ADT won't create
an apk file at the end of Clean/Build Project.

Thanks

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[android-developers] Re: Save to SD

2011-05-23 Thread kypriakos


Well I am not doing anything fancy - I am using the following code
segment to write
the image to the card - are you doing something similar?

String path = 
Environment.getExternalStorageDirectory().toString()
+ /p2pSOA;
OutputStream outS = null;
File file = new File(path, IMAGE.jpg);
outS = new FileOutputStream(file);
long sTime = System.currentTimeMillis();
Log.i(p2pSOA,write start at +sTime);
for (int i=0; idata.length; i++) {
outS.write(data[i]);
if ( (i%10) == 0 )
Log.i(p2pSOA,wrote +i of 
bytes);
}

long eTime = System.currentTimeMillis()-sTime;
Log.i(p2pSOA,write took +eTime/1000+ secs);
outS.flush();
outS.close();


On May 23, 12:09 am, Zsolt Vasvari zvasv...@gmail.com wrote:
 In my app, copying a 4MB file to the SD card takes maybe 5 seconds.  I
 am using the Commons IO library.

 So you are doing something wrong if it takes more than a couple of
 seconds for a 1MB file.

 On May 23, 11:27 am, kypriakos demet...@ece.neu.edu wrote: First, good to 
 hear from you Mark - I hope all is well!

  Well I expected the two (instead of three) letter response - I ended
  up playing around
  with the code (which is nothing other than using the FileOutputStream
  to write out
  the jpeg. I found out that if I replace the println statements (I was
  checking what was
  being written out and didn't expect it to cause so much overhead) with
  Log.i the
  image can be written in around 95 seconds ( 1 MB). Still slow but not
  as bad as an
  hour. Of course still 95 seconds is a bit too much. Anything else I
  can try? May be
  an SD card profile / performance test would be help determine if
  something is going
  on there?

  Thanks again

  On May 21, 1:58 pm, Mark Murphy mmur...@commonsware.com wrote:

   On Sat, May 21, 2011 at 1:55 PM, kypriakos demet...@ece.neu.edu wrote:
I am saving jpeg image on sdcard through an activity - about 1 MB
takes literally
close to an hour ... is that normal?

   No.

   --
   Mark Murphy (a Commons 
   Guy)http://commonsware.com|http://github.com/commonsguyhttp://commonsware.com/blog|http://twitter.com/commonsguy

   Android App Developer Books:http://commonsware.com/books-Hide quoted text 
   -

  - Show quoted text -

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[android-developers] Re: Save to SD

2011-05-23 Thread kypriakos


Thanks Kostya, Miquel and Mark,

yes I agree, inefficient I/O algorithms would kills ya particularly
on constrained devices. I posted the one byte at at time segment
but I did try buffering data before writing it and using what Kostya
pointed out below (outS.write(data, 0, data.length). I am also
wondering
if there are other processes running that I am not aware of so I will
look into that and I think I will go ahead and mount the card to the
pc
and run some tests there. I will also swap it with another one.

Good pointers all around - thanks.

On May 23, 12:07 pm, Kostya Vasilyev kmans...@gmail.com wrote:
 You are writing one byte at a time.

 outS.write(data[i]);

 This is going to be incredibly slow

 Try this:

 outS.write(data, 0, data.length)

 or just this:

 outS.write(data);

 -- Kostya

 23.05.2011 20:01, kypriakos пишет:

                     Log.i(p2pSOA,write start at +sTime);
                     for (int i=0; idata.length; i++) {
                             outS.write(data[i]);
                                     if ( (i%10) == 0 )
                                             Log.i(p2pSOA,wrote +i of 
  bytes);
                     }

 --
 Kostya Vasilyev --http://kmansoft.wordpress.com

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[android-developers] Re: Save to SD

2011-05-23 Thread kypriakos

I think since both methods of either buffering in memory and then
writing
all bytes at once OR writing a byte at a time are both slow it makes
me
believe is the hardware. I tried the tests that you guys suggested and
the pushing files to it is slow as hell. I am assuming that means the
good
ol' card is dying - I will replace and verify but most likely that
should be it.

Thanks again guys

On May 23, 7:13 am, Mark Murphy mmur...@commonsware.com wrote:
Agree with all the above. Er, below. What Miguel said. :-)

A lot of I/O problems stem from inefficient writing algorithms (e.g.,
byte-at-a-time).

Another test you can try is using DDMS File Manager or adb push to
write a file to the SD card. If that is similarly slow, then the
problem may be with hardware.

On Mon, May 23, 2011 at 4:09 AM, Miguel Morales therevolti...@gmail.com
wrote:
Yep that's ridiculously slow. What are you writing to the file? Are you
streaming it from the internet? Have you tried posting the code one
stackoverflow? Have you tried mounting the sdcard on your computer and
moving a file there to check what the time should be?
Try using a BufferedOutputStream to buffer some data to memory before it is
written to disk.

On Sun, May 22, 2011 at 9:09 PM, Zsolt Vasvari zvasv...@gmail.com wrote:

In my app, copying a 4MB file to the SD card takes maybe 5 seconds. I
am using the Commons IO library.

So you are doing something wrong if it takes more than a couple of
seconds for a 1MB file.

On May 23, 11:27 am, kypriakos demet...@ece.neu.edu wrote:
First, good to hear from you Mark - I hope all is well!

Well I expected the two (instead of three) letter response - I ended
up playing around
with the code (which is nothing other than using the FileOutputStream
to write out
the jpeg. I found out that if I replace the println statements (I was
checking what was
being written out and didn't expect it to cause so much overhead) with
Log.i the
image can be written in around 95 seconds ( 1 MB). Still slow but not
as bad as an
hour. Of course still 95 seconds is a bit too much. Anything else I
can try? May be
an SD card profile / performance test would be help determine if
something is going
on there?

Thanks again

On May 21, 1:58 pm, Mark Murphy mmur...@commonsware.com wrote:

On Sat, May 21, 2011 at 1:55 PM, kypriakos demet...@ece.neu.edu
wrote:
I am saving jpeg image on sdcard through an activity - about 1 MB
takes literally
close to an hour ... is that normal?

No.

--
Mark Murphy (a Commons
Guy)http://commonsware.com|http://github.com/commonsguyhttp://commonsware.com/blog|http://twitter.com/commonsguy

Android App Developer Books:http://commonsware.com/books-Hide quoted
text -

- Show quoted text -

--
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Android 2D MMORPG:
http://solrpg.com/, http://www.youtube.com/user/revoltingx

--
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Guy)http://commonsware.com|http://github.com/commonsguyhttp://commonsware.com/blog|http://twitter.com/commonsguy

_The Busy Coder's Guide to Android Development_ Version 3.6 Available!

[android-developers] Re: Save to SD

2011-05-22 Thread kypriakos

First, good to hear from you Mark - I hope all is well!

Thanks again

On May 21, 1:58 pm, Mark Murphy mmur...@commonsware.com wrote:
On Sat, May 21, 2011 at 1:55 PM, kypriakos demet...@ece.neu.edu wrote:
I am saving jpeg image on sdcard through an activity - about 1 MB
takes literally
close to an hour ... is that normal?

No.

--
Mark Murphy (a Commons
Guy)http://commonsware.com|http://github.com/commonsguyhttp://commonsware.com/blog|http://twitter.com/commonsguy

Android App Developer Books:http://commonsware.com/books

[android-developers] Save to SD

2011-05-21 Thread kypriakos


I am saving jpeg image on sdcard through an activity - about 1 MB
takes literally
close to an hour ... is that normal?

Thanks

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[android-developers] Re: startActivityForResult

Ah sleep is good ...

Ok revisiting this I can see the wrong path I went down to ...

I built a servlet for the ijetty web server that launches an Activity
once
a particular remote request comes in. The ijetty code provides the
AndroidContext
in all servlets through:

Object o =
config.getServletContext().getAttribute(org.mortbay.ijetty.contentResolver);
android.content.ContentResolver resolver =
(android.content.ContentResolver)o;
androidContext =
(android.content.Context)config.getServletContext().getAttribute(org.mortbay.ijetty.context);

So while implementing the methods for the servlet I got carried away
with the fact that I had
the appropriate context available and used the Context's startActivity
method and the Intent object to launch
the Activity (after I declared it in the ijetty's AndroidManifest). I
kept looking in there for the startActivityForResult
I needed a bit more reading on the difference between the two
startActivity methods across two different classes in the inheritance.
The code snippet I sent out does work but I cannot of course use the
startActivityForResult.
Up to this pt I was having the launched activity save the results in a
file and then had the servlet poll for
them but that's not an ideal solution. The servlet itself implements
HttpServlet so by not being an Activity
I could not see how any callback to it would be possible - what do you
think?

@Kostya
If this case, use a broadcast, a pending intent, or a handler message (just
some of the options) to send/receive the result.

I agree with that but I need to figure out how the servlet fits into
this. I could launch
the activity as a service.

Oh, and I see that the intent you're trying to start is for a service. Using
startActivity (for result or not) with a service intent just doesn't make
sense.

Where do you see that? The intent I am starting is an Activity class.
Can you explain please?

Thanks again for the feedback to all fo you - it certainly helps

[android-developers] Re: startActivityForResult


He he - I hear ya, since I am in the context of a web server as well I
need to be careful
with my naming Thanks Kostya ;)

On May 20, 12:49 pm, Kostya Vasilyev kmans...@gmail.com wrote:
 20.05.2011 18:51, kypriakos ?:

    Oh, and I see that the intent you're trying to start is for a service. 
   Using
    startActivity (for result or not) with a service intent just doesn't 
   make
    sense.
  Where do you see that? The intent I am starting is an Activity class.
  Can you explain please?

   Intent intent = new Intent();
   intent.setClass(androidContext, mysnapPic2ServiceImpl.class);

 You class is named ...Pic2*Service*Impl, so I assumed it was a Service.
 If it's an Activity, well, so it is - you know your code, whereas I
 could only guess from the class name :)

 --
 Kostya Vasilyev --http://kmansoft.wordpress.com

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[android-developers] Re: startActivityForResult


Research - and oh man, the times I heard that question ;)

On May 20, 11:01 am, Nikolay Elenkov nikolay.elen...@gmail.com
wrote:
 On Fri, May 20, 2011 at 11:51 PM, kypriakos demet...@ece.neu.edu wrote:

  Ah sleep is good ...

  Ok revisiting this I can see the wrong path I went down to ...

  I built a servlet for the ijetty web server that launches an Activity
  once
  a particular remote request comes in. The ijetty code provides the
  AndroidContext
  in all servlets through:

 If you could take a step back, why are you using Jetty in the first place?
 Sounds interesting and all, but unless this is a research project, what
 have you got to gain by running a servlet engine on your phone?

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[android-developers] Re: startActivityForResult


That's a good point to note - thanks!

On May 20, 1:00 pm, luiX_ lui...@gmail.com wrote:
 Haven't read carefully all the responses but just a quick note:

 It's not a good idea to declare the request code as a local variable, I
 usually declare them as constants because you'll need it in the
 onActivityResult method :)

 2011/5/20 Kostya Vasilyev kmans...@gmail.com  20.05.2011 18:51, kypriakos 
 пишет:

    Oh, and I see that the intent you're trying to start is for a service. 
  Using startActivity (for result or not) with a service intent just doesn't 
  make sense.

   Where do you see that? The intent I am starting is an Activity class.
  Can you explain please?

   Intent intent = new Intent();
   intent.setClass(androidContext, mysnapPic2ServiceImpl.class);

  You class is named ...Pic2*Service*Impl, so I assumed it was a Service. If
  it's an Activity, well, so it is - you know your code, whereas I could only
  guess from the class name :)

  --
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[android-developers] Re: startActivityForResult



Great thanks - much appreciated it. But I was also asking as to
whether the
startActivityforResult() is part of the Android 1.6 API since the
compilation
fails there. Any idea?

On May 19, 12:27 am, Our-Android sachin.worldnet.prog...@gmail.com
wrote:
 hi,

 find the link below you will get complete code for
 startActivityforResult()

 http://our-android.blogspot.com/2011/05/passing-data-returning-data-b...

 Thanks

 On May 19, 8:44 am, kypriakos demet...@ece.neu.edu wrote: Hi all,

  I am writing apps for some old phones (Android 1.6). I can call
  startActivity(intent) without issues but the
  startActivityForResult(intent, int) fails on compile? Was this method
  introduced after 1.6? How can one see what's been deprecated across
  versions?

  Thanks

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[android-developers] Re: startActivityForResult

Excellent!  Thanks.

So the API level 4 (to which cupcake/1.6 is based on) does not have
the startActivityForResult -
which is in line with the fact that the compilation fails. Anyway
knows as to what provision
was available back then for allowing an activity to call back a
calling class? Or no such luck?
Will I need to use some kind of shared mem or a file method to pass
results back?

Thanks


On May 19, 12:16 am, Giorgio Vespucci giorgio.vespu...@gmail.com
wrote:
 In the upper right corner of API page there is a scrollbox you can use to
 filter the minimum API level you want to see.
 Hope this helps. :)
  Il giorno 19/mag/2011 05:44, kypriakos demet...@ece.neu.edu ha scritto:

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[android-developers] Re: startActivityForResult


That's what I said too - huh? ;)

Intent intent = new Intent();
intent.setClass(androidContext,
mysnapPic2ServiceImpl.class);
intent.setFlags(intent.FLAG_ACTIVITY_NEW_TASK);
intent.putExtra(from, 1);
final int result=1;
// androidContext.startActivity(intent);
androidContext.startActivityForResult(intent, result);

The startActivity method (commented out) is found fine when used - the
one below it gives:

[ERROR] snapPic2Servlet.java:[89,22] cannot find symbol
symbol  : method startActivityForResult(android.content.Intent,int)
location: class android.content.Context

It has to be something stupid I can't see right now ...

On May 19, 2:12 pm, Kostya Vasilyev kmans...@gmail.com wrote:
 Huh?

 http://developer.android.com/reference/android/app/Activity.html#star...,
 int)

 Since API level 1 - i.e. Android 1.0.

 Perhaps you could post a code snippet showing the compile error.

 -- Kostya

 19.05.2011 22:04, kypriakos пишет:

  So the API level 4 (to which cupcake/1.6 is based on) does not have
  the startActivityForResult -
  which is in line with the fact that the compilation fails.

 --
 Kostya Vasilyev --http://kmansoft.wordpress.com

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[android-developers] Re: startActivityForResult


I think there is a startActivity method in the Context class and
that's why
I got a bit confused regarding the startActivityForResult - I think it
makes
a bit more sense now. I need to start an Activit for now and not a
service
and I think I intermixed the two. I do get the Activity to start with
the
context.startActivity and it does what I want it to do - but I do see
now
what you are saying.

Thanks Kostya

On May 19, 5:51 pm, Kostya Vasilyev kmans...@gmail.com wrote:
 StartActivityForResult is a method of Activity, not Context. You can
 typecast if appropriate.

 If not (i.e. your Context is a service or a receiver), then it doesn't make
 sense - because the result callback used by startActivityForResult is also a
 method of Activity.

 If this case, use a broadcast, a pending intent, or a handler message (just
 some of the options) to send/receive the result.

 Oh, and I see that the intent you're trying to start is for a service. Using
 startActivity (for result or not) with a service intent just doesn't make
 sense.
 20.05.2011 1:41 пользователь kypriakos demet...@ece.neu.edu написал:

  That's what I said too - huh? ;)

  Intent intent = new Intent();
  intent.setClass(androidContext,
  mysnapPic2ServiceImpl.class);
  intent.setFlags(intent.FLAG_ACTIVITY_NEW_TASK);
  intent.putExtra(from, 1);
  final int result=1;
  // androidContext.startActivity(intent);
  androidContext.startActivityForResult(intent, result);

  The startActivity method (commented out) is found fine when used - the
  one below it gives:

  [ERROR] snapPic2Servlet.java:[89,22] cannot find symbol
  symbol : method startActivityForResult(android.content.Intent,int)
  location: class android.content.Context

  It has to be something stupid I can't see right now ...

  On May 19, 2:12 pm, Kostya Vasilyev kmans...@gmail.com wrote:
  Huh?

 http://developer.android.com/reference/android/app/Activity.html#star...,
  int)

  Since API level 1 - i.e. Android 1.0.

  Perhaps you could post a code snippet showing the compile error.

  -- Kostya

  19.05.2011 22:04, kypriakos пишет:

   So the API level 4 (to which cupcake/1.6 is based on) does not have
   the startActivityForResult -
   which is in line with the fact that the compilation fails.

  --
  Kostya Vasilyev --http://kmansoft.wordpress.com

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[android-developers] Saving an image


HI all,

I use the   mCamera.takePicture(null, null, jpegCallback); to snap
a picture through an activity. When the callback occurs I do see the
data (approx 1.5 MB in length) and I use the following to write it to
the
sdcard - but the image length written is 0. Any ideas as to why this
occurs?

String path =
Environment.getExternalStorageDirectory().toString();
OutputStream out = null;
File file = new File(path, IMAGE.jpg);
out = new FileOutputStream(file);
System.out.println(Wrote image to =[+path+]);
out.close();

Thanks

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[android-developers] Re: startActivityForResult