If you're working with the location service, then a real phone is a
must. The emulator only briefly flirts with the location service, the
real device is quite complex and has a number of failure modes not
present in the emulator.
-John Coryat
According to the documentation, this setting: The Android ID (a
unique 64-bit value) as a hex string
Question: How dynamic is this value? Is it unchanging throughout the
life of the device, the same across Android versions or what?
I'd like to use this constant to identify a distinct device
A more generic solution might be to treat it as a polygon and do a
point in polygon analysis.
Can the Java class Polygon be used with Android?
-John Coryat
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I found this link in Google:
More spoofing of the android id…
http://strazzere.com/blog/?tag=android_id
This article deals spoofing the deprecated
Settings.System.Android_ID
However, I'm using
Settings.Secure.ANDROID_ID
which suggests that it's secure.
Any comments?
-John Coryat
The terms are fairly plain and obvious if you read them:
a. SUBMISSION OF ENTRIES: To qualify for a Prize, an Entry to the
Challenge consists of an original application that is written using a
version of the Android Software Development Kit (SDK) (available at
http://developer.android.com) that
I've been working on an app for a couple of months, it's loaded with
log statements (android.util.Log) now and they are very useful.
Question: Is it better to remove log statements before deploying to
the market or can they be left in? Are there good reasons to remove
them regardless?
Thanks in
of that code out when the constant is false.
On Mon, Jul 27, 2009 at 9:01 PM, Maps.Huge.Info (Maps API Guru)
cor...@gmail.com wrote:
I've been working on an app for a couple of months, it's loaded with
log statements (android.util.Log) now and they are very useful.
Question
I suggest trying eBay.
-John Coryat
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It seems there is a very simple answer to piracy on this platform
anyway. If the market would keep a record of the device ID's that
purchased the app, it would be extremely easy to tell (via a server
based solution) which installations are valid and which are not. Then
again, what do I know?
What does the Android market send the developer when an app is
purchased? Is there any sort of notification?
-John Coryat
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To post to this
is that ,is this an emulator problem or a
problem in the SDK. Many of our users complain of errors while they are
using the app.Actually the users get Unknownhost exception.And this
exception does not appear when the users re-start their device.Can some one
shed some light on this.
Thanks
Guru
Question:
If the phone is in a power off condition, how would an app know to
turn it on?
-John Coryat
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Can you check to see if your user has selected Automatic - Use
network-provided values?
The second question would be: Where does the location.getTime() time
come from? Is it provided by the satellite fix itself or from the
phone. If from the phone then it's not really relevant how the user
sets
I just did a test.
location.getTime() 1248184334000
System.currentTimeMillis() 1248184346934
It appears as if the GPS tracks time down to the second and it can
vary from the Automatic setting by quite a bit. This example shows a
variance of about 100 seconds between the two.
Perhaps the best
If you put up any version of your application to the market, free or
paid, before August 1st, it will not be eligible. Keep that in mind...
-John Coryat
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I don't know if this can be done in Java, but what I have done for
similar things is to convert the image to a PNG or GIF and count the
number of colors in the color table.
-John Coryat
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Until you send it a location with DDMS, the location will be null.
After you send it, everything works as expected. No altitude, speed,
bearing or any of the GpsStatus comes across though. It would be nice
if these things were also accessible in DDMS.
-John Coryat
p.s. Make sure you have GPS enabled in the emulator settings.
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I haven't used geo fix, but I assume it will work as well as DDMS.
-John Coryat
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I'll bet you have an R.java file in your source directory, delete it
and your error should go away.
-John Coryat
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According to the market terms:
All fees received by Developers for Products distributed via the
Market must be processed by the Market’s Payment Processor.
Does this allow for fees to be collected outside of the market, like
in OP's question, but using the Market's Payment Processor? Another
If you mean by GPS emulation bug the problem with network provider
on the emulator, it does, or at least does to my satisfaction. Before,
accessing the network provider caused an error. Now it works as
expected.
-John Coryat
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If you mean by a G2 the Google Ion (HTC Magic given out at Google
IO), then the answer is yes, it does work as expected. I don't have a
G1 to confirm this but if it works on the emulator, I would expect it
to work on the Ion.
-John Coryat
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You
You might also want to display an indeterminate progress dialog so
your users won't think the app is frozen.
-John Coryat
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Looks like the app has to be written with the SDK. See the official
terms and conditions for the exact wording.
My application works only in the US, I wonder if that will doom it's
possibilities? Someone who judges the app in Europe will rate it a fat
zero.
-John Coryat
How can I derive the getMaxSatellites(), getSatellites() and
getTimeToFirstFix() from the GpsStatus Listener?
-John Coryat
I've got the listener for GpsStatus working like this:
LocationManager locMgr = (LocationManager)getSystemService
(Context.LOCATION_SERVICE);
Answered my own question, but now I have another...
In this code: (which works fine)
case GpsStatus.GPS_EVENT_SATELLITE_STATUS:
GpsStatus xGpsStatus = locMgr.getGpsStatus(null) ;
IterableGpsSatellite iSatellites = xGpsStatus.getSatellites() ;
Iterator it =
(Maps API Guru) wrote:
Answered my own question, but now I have another...
In this code: (which works fine)
case GpsStatus.GPS_EVENT_SATELLITE_STATUS:
GpsStatus xGpsStatus = locMgr.getGpsStatus(null) ;
IterableGpsSatellite iSatellites = xGpsStatus.getSatellites() ;
Iterator
I've been toying with these two concepts for a while and was wondering
what the consensus is on how to handle accuracy changes.
I would like to be able to use the FINE but if not available use
COARSE. The issue is how to handle these two. I thought about using
two listeners and that seems like a
The standard way of handling the too many points problem is to use a
clustering system, either server based or client based. Clustering
converts the many markers that can appear in one area, usually
determined by a matrix, into a single marker.
Another method is to limit what is loaded into the
The source for day 17 and 18 are missing...
Keep up the good work, only 8 days left!
-John Coryat
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Are you running any thread in the getView of the adapter?
On Wed, Jun 24, 2009 at 2:04 PM, Peter pkana...@gmail.com wrote:
I have a listview that is populated by a couple threads that pull in
data from the network. Before that data comes in, there are some
default values displayed. When the
You could call a Google API based map that uses a custom tile layer or
other type of overlay as a webkit page directly from an Android
application. The easiest way to do so would be to use a parameter
based positioning method, another words, pass the coordinates of
interest to the map via lat and
What JavaScript error do you see? I get none. This is a Maps v3 demo
app, it should work well with any modern browser.
The v3 API doesn't have a tile layer yet but it does have an overlay
method. I wrote the one used in the demo. It handles whole image
overlays so if you can create a single
I believe you can get time zone info using the coordinate from
geonames.org. Check their site to be sure.
-John Coryat
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This isn't really an Android question, however, if you are trying to
create this service for the US, there are the Tiger shapefiles that
contain a lot of what you're looking for. Search Google for Tiger
Shapefiles 2008 for the details. They're available at no charge and
have no copyright, so you
You might want to consider figuring this out for yourself. It's not
that difficult if you use the tutorial book ($35) written by Mark
Murphy at http://commonsware.com/ - tutorial 17 did it for me...
I wrote a similar program without much prior knowledge myself in about
three days of study. Your
multiple times and causing unwanted results.Is there any way to make
sure that I call thread only once so that there are no unwanted results.Any
ideas.
Thanks very much
Guru
On Tue, Jun 9, 2009 at 11:45 AM, Guru gurudut...@gmail.com wrote:
I have a list view with images and some text items
It appears as if your 03day app source is missing...
-John Coryat
http://maps.huge.info
http://www.usnaviguide.com
http://www.zipmap.net
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To
I have a list view with images and some text items. The images are actually
URLs and are locally cached if the url is already displayed once.The problem
is the listview seems to change the image itself while rendering.I am very
sure that the caching mechanism of the url works fine.
Is there
What you receive from the Google checkout is a boilerplate e-mail. It
would probably be a good idea if they changed that to one specific to
the Android marketplace.
Either way, you have a choice. List your app with the marketplace and
pay the fees or use another payment method and pay their
There are a few of the unlocked HTC Magic phones available on eBay.
These are the ones given out at the Google IO conference that will
work without a SIM or on any capable network. Search eBay for Google
IO and you'll find them. Nice phones, I wouldn't part with mine for
anything.
-John Coryat
Probably u have returned false in areAllItemsEnabled in the adapter
or
returning false in isEnabled(position)
On Tue, Jun 2, 2009 at 4:36 PM, Tom thomas.coz...@gmail.com wrote:
Hi,
I developped a ListView with a custom adapter (which extends
ArrayAdapter).
The problem is that i can't
I have question on what is the best approch to take.I have a header view in
all my screens of the app.
So is it best to have the setContent of the header view and then adding the
views by inflating them in the sub-class activity as below
Base extends Activity{
private Linearlayout mHeader;
I needed to download a file and store it in my sdcard.I first save it
by writing in the output stream(by using openFileOutput) in the
application package.From here I copy it to my SDCard and its written
on my SDCard.But when i see my SDCard in the file in the DDMS mode i
am able to see that
hello,
I need to know whether there is any way the ringtone of the phone can
be changed programatically.If yes,please could any one help me on
this.
Thanks
Guru
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' to
'\sdcard': Read-only file system
---
When i see in the emulator,I dont see the file i have pushed.Thanks
for your help.
Thanks
Guru
On Sep 24, 2:50 pm
help
Thanks
Guru
On Sep 24, 2:50 pm, Sudha [EMAIL PROTECTED] wrote:
in addition to the above mail
I tried to pull out the default image coming the camera
folder( apperas in the pictures in the emulator) and tried to push teh
same back to /sdcar/dcim/camera.
now also teh image appreas liek
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