[android-developers] rotating map

2012-04-05 Thread RedBullet 
So, I successfully took the MapView sample that demonstrates rotating a map 
based on device orientation.

What I am not liking about it is that the text and such are rotating with 
the view. So, when you turn 180 degrees all the text is upside-down.

I am wondering if perhaps I missed something in my implementation? Maybe I 
need to invalidate a view or something?

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Re: [android-developers] rotating map

2012-04-05 Thread RedBullet 
Like I said, it is derrived from the sample that is provided with the 
Google API. But here is the onCreate for the activity:

public void onCreate(Bundle bundle) {
super.onCreate(bundle);
String APIKey = mykey;
 mSensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
 
 // Create Rotate view
 mRotateView = new RotateView(this);
 RelativeLayout layout = new RelativeLayout(this);
 RelativeLayout.LayoutParams params = new 
RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.FILL_PARENT, 
RelativeLayout.LayoutParams.FILL_PARENT);
 layout.setLayoutParams(params);
 
// create a map view
mapView = new MapView(this,APIKey);
mapView.setBuiltInZoomControls(true);
mapView.setClickable(true);
mapView.setEnabled(true);
mapController = mapView.getController();
mapController.setZoom(14); // Zoom 1 is world view
 mapView.setBuiltInZoomControls(true);
Drawable drawable = this.getResources().getDrawable(R.drawable.pin_green);
itemizedoverlay = new MyOverlays(drawable, this);
layout.removeAllViews();
mRotateView.addView(mapView);
layout.addView(mRotateView);
setContentView(layout);
mylocation = new MyLocationOverlay(this,mapView);
createMarker();

Essentially there is a view created that manages the rotation, and it is 
updated when the sensor changes. That all works, it rotates nicely. But 
text on the map does not, and actually the touch layer doesn't (for example 
if I rotate 180 degrees and then pan down it actually pans up).

I am just if anyone has achieved different behavior they would be willing 
to articulate what they did to make it work properly?

On Thursday, April 5, 2012 11:37:55 AM UTC-4, TreKing wrote:

 On Thu, Apr 5, 2012 at 10:33 AM, RedBullet  wrote:

 I am wondering if perhaps I missed something in my implementation? Maybe 
 I need to invalidate a view or something?


 You've provided almost no information about your implementation, so it 
 would be quite difficult for anyone to comment on it.


 -
 TreKing http://sites.google.com/site/rezmobileapps/treking - Chicago 
 transit tracking app for Android-powered devices

  

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Re: [android-developers] rotating map

2012-04-05 Thread RedBullet 
And for completeness for the rotation I do the following:

public void onSensorChanged(SensorEvent event) {
RideRouterApp.i(String.format(Sensor Name: %s, oriented %f, 
event.sensor.getName(), event.values[0]));
  synchronized (this) {
mHeading = event.values[0];
invalidate();

}
 }

@Override
protected void dispatchDraw(Canvas canvas) {
canvas.save(Canvas.MATRIX_SAVE_FLAG);
canvas.rotate(-mHeading, getWidth() * 0.5f, getHeight() * 0.5f);
mCanvas.delegate = canvas;
super.dispatchDraw(mCanvas);
canvas.restore();
mapView.invalidate();
}


On Thursday, April 5, 2012 11:45:45 AM UTC-4, RedBullet wrote:

 Like I said, it is derrived from the sample that is provided with the 
 Google API. But here is the onCreate for the activity:

 public void onCreate(Bundle bundle) {
 super.onCreate(bundle);
 String APIKey = mykey;
  mSensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
  
  // Create Rotate view
  mRotateView = new RotateView(this);
  RelativeLayout layout = new RelativeLayout(this);
  RelativeLayout.LayoutParams params = new 
 RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.FILL_PARENT, 
 RelativeLayout.LayoutParams.FILL_PARENT);
  layout.setLayoutParams(params);
  
 // create a map view
 mapView = new MapView(this,APIKey);
 mapView.setBuiltInZoomControls(true);
 mapView.setClickable(true);
 mapView.setEnabled(true);
 mapController = mapView.getController();
 mapController.setZoom(14); // Zoom 1 is world view
  mapView.setBuiltInZoomControls(true);
 Drawable drawable = this.getResources().getDrawable(R.drawable.pin_green);
 itemizedoverlay = new MyOverlays(drawable, this);
 layout.removeAllViews();
 mRotateView.addView(mapView);
 layout.addView(mRotateView);
 setContentView(layout);
 mylocation = new MyLocationOverlay(this,mapView);
 createMarker();

 Essentially there is a view created that manages the rotation, and it is 
 updated when the sensor changes. That all works, it rotates nicely. But 
 text on the map does not, and actually the touch layer doesn't (for example 
 if I rotate 180 degrees and then pan down it actually pans up).

 I am just if anyone has achieved different behavior they would be willing 
 to articulate what they did to make it work properly?

 On Thursday, April 5, 2012 11:37:55 AM UTC-4, TreKing wrote:

 On Thu, Apr 5, 2012 at 10:33 AM, RedBullet  wrote:

 I am wondering if perhaps I missed something in my implementation? Maybe 
 I need to invalidate a view or something?


 You've provided almost no information about your implementation, so it 
 would be quite difficult for anyone to comment on it.


 -
 TreKing http://sites.google.com/site/rezmobileapps/treking - Chicago 
 transit tracking app for Android-powered devices

  

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[android-developers] Re: rotating map

2012-04-05 Thread RedBullet 
Yea, I realized that was going on. I wasn't sure if perhaps the MapView had 
a mechanism to correct itself (when it initially draws it appears to orient 
text correctly) that I am missing.

Or if the overall approach that the sample provides just can't work.

Has anyone properly gotten the maps to rotate?

On Thursday, April 5, 2012 5:55:32 PM UTC-4, lbendlin wrote:

 Maybe you haven't realised it yet, but the Google Maps API serves map 
 tiles (unlike the Google Maps app that uses vector data).

 So the text is part of the image, and rotates with it.

 On Thursday, April 5, 2012 11:33:00 AM UTC-4, RedBullet wrote:

 So, I successfully took the MapView sample that demonstrates rotating a 
 map based on device orientation.

 What I am not liking about it is that the text and such are rotating with 
 the view. So, when you turn 180 degrees all the text is upside-down.

 I am wondering if perhaps I missed something in my implementation? Maybe 
 I need to invalidate a view or something?



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Re: [android-developers] No validating SAX parser for android?

2012-04-04 Thread RedBullet 
Any more ideas on this? I must be doing something obviously wrong, but 
perhaps there just isn't a validating SAX parser for Android? (though I 
would have expected someone on this list to say so)...

On Monday, April 2, 2012 12:40:13 PM UTC-4, RedBullet wrote:

 I just tried that and got the same error. No validaing SAX parser 
 implementaion available.

 On Monday, April 2, 2012 12:14:33 PM UTC-4, Daniel Drozdzewski wrote:

 ...so did you tell your parser the following:


 static final String GARMIN_SCHEMA_LANGUAGE =
 http://www.w3.org/2001/XMLSchema-instance;;

 static final String W3C_XML_SCHEMA =
 http://www.w3.org/2001/XMLSchema;;

   SAXParserFactory factory = SAXParserFactory.newInstance();
   factory.setNamespaceAware(true);
   factory.setValidating(true);
   saxParser.setProperty(GARMIN_SCHEMA_LANGUAGE, W3C_XML_SCHEMA);

 ??

 On 2 April 2012 17:10, RedBullet  wrote:
  Yea, I read that. My XML contains the following so I thought that would 
 be
  sifficient:
  ?xml version=1.0 encoding=UTF-8?
  TrainingCenterDatabase
  xmlns=http://www.garmin.com/xmlschemas/TrainingCenterDatabase/v2;
  xmlns:xsi=http://www.w3.org/2001/XMLSchema-instance;
  xsi:schemaLocation=
 http://www.garmin.com/xmlschemas/TrainingCenterDatabase/v2
  http://www.garmin.com/xmlschemas/TrainingCenterDatabasev2.xsd;
 
  Isn't that how it is supposed to work??
 
 
  On Monday, April 2, 2012 12:01:42 PM UTC-4, Daniel Drozdzewski wrote:
 
  Did you tell your parser which schema will it be validating against?
  Setting validation flag to true is not enough...
 
  Have a look here at a quick validating example using SAXParser:
  http://docs.oracle.com/javaee/1.4/tutorial/doc/JAXPSAX9.html
 
  Daniel
 
  On 2 April 2012 16:34, RedBullet  wrote:
   I am parsing some XML with SAX, and I noticed that there was some 
 XSD in
   the
   files I am parsing.
  
   So, I figured to would turn validation on the factory before I get 
 the
   parse, but when I do I get an error saying there is no validating 
 parser
   available.
  
   So... How does one validate XML on the Android??
  
   --
 
  --
  Daniel Drozdzewski
 
  --

 -- 
 Daniel Drozdzewski



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Re: [android-developers] No validating SAX parser for android?

2012-04-04 Thread RedBullet 
That's sort of what I am doing now. Seems kind of unsatisfying ;-)

Just wanted to know what my options were...

It is confusing because the docs seem to imply that one can do validation...

On Wednesday, April 4, 2012 9:39:07 AM UTC-4, Streets Of Boston wrote:

 What about not validating the incoming XML?
 Since i don't know what type of app you need the validating SAX parser 
 for, but if your app just needs to read bits and pieces of incoming XML, 
 you really don't need a validating XML. Just read the data and present it 
 to the user. If the incoming data is not what you expect, i.e. after 
 reading the XML you are still missing pieces of data and such, let your app 
 handle this situation by itself.


 On Wednesday, April 4, 2012 9:10:37 AM UTC-4, RedBullet wrote:

 Any more ideas on this? I must be doing something obviously wrong, but 
 perhaps there just isn't a validating SAX parser for Android? (though I 
 would have expected someone on this list to say so)...

 On Monday, April 2, 2012 12:40:13 PM UTC-4, RedBullet wrote:

 I just tried that and got the same error. No validaing SAX parser 
 implementaion available.

 On Monday, April 2, 2012 12:14:33 PM UTC-4, Daniel Drozdzewski wrote:

 ...so did you tell your parser the following:


 static final String GARMIN_SCHEMA_LANGUAGE =
 http://www.w3.org/2001/XMLSchema-instance;;

 static final String W3C_XML_SCHEMA =
 http://www.w3.org/2001/XMLSchema;;

   SAXParserFactory factory = SAXParserFactory.newInstance();
   factory.setNamespaceAware(true);
   factory.setValidating(true);
   saxParser.setProperty(GARMIN_SCHEMA_LANGUAGE, W3C_XML_SCHEMA);

 ??

 On 2 April 2012 17:10, RedBullet  wrote:
  Yea, I read that. My XML contains the following so I thought that 
 would be
  sifficient:
  ?xml version=1.0 encoding=UTF-8?
  TrainingCenterDatabase
  xmlns=http://www.garmin.com/xmlschemas/TrainingCenterDatabase/v2;
  xmlns:xsi=http://www.w3.org/2001/XMLSchema-instance;
  xsi:schemaLocation=
 http://www.garmin.com/xmlschemas/TrainingCenterDatabase/v2
  http://www.garmin.com/xmlschemas/TrainingCenterDatabasev2.xsd;
 
  Isn't that how it is supposed to work??
 
 
  On Monday, April 2, 2012 12:01:42 PM UTC-4, Daniel Drozdzewski wrote:
 
  Did you tell your parser which schema will it be validating against?
  Setting validation flag to true is not enough...
 
  Have a look here at a quick validating example using SAXParser:
  http://docs.oracle.com/javaee/1.4/tutorial/doc/JAXPSAX9.html
 
  Daniel
 
  On 2 April 2012 16:34, RedBullet  wrote:
   I am parsing some XML with SAX, and I noticed that there was some 
 XSD in
   the
   files I am parsing.
  
   So, I figured to would turn validation on the factory before I get 
 the
   parse, but when I do I get an error saying there is no validating 
 parser
   available.
  
   So... How does one validate XML on the Android??
  
   --
 
  --
  Daniel Drozdzewski
 
  --

 -- 
 Daniel Drozdzewski



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[android-developers] No validating SAX parser for android?

2012-04-02 Thread RedBullet 
I am parsing some XML with SAX, and I noticed that there was some XSD in 
the files I am parsing.

So, I figured to would turn validation on the factory before I get the 
parse, but when I do I get an error saying there is no validating parser 
available.

So... How does one validate XML on the Android??

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Re: [android-developers] No validating SAX parser for android?

2012-04-02 Thread RedBullet 
I just tried that and got the same error. No validaing SAX parser 
implementaion available.

On Monday, April 2, 2012 12:14:33 PM UTC-4, Daniel Drozdzewski wrote:

 ...so did you tell your parser the following:


 static final String GARMIN_SCHEMA_LANGUAGE =
 http://www.w3.org/2001/XMLSchema-instance;;

 static final String W3C_XML_SCHEMA =
 http://www.w3.org/2001/XMLSchema;;

   SAXParserFactory factory = SAXParserFactory.newInstance();
   factory.setNamespaceAware(true);
   factory.setValidating(true);
   saxParser.setProperty(GARMIN_SCHEMA_LANGUAGE, W3C_XML_SCHEMA);

 ??

 On 2 April 2012 17:10, RedBullet  wrote:
  Yea, I read that. My XML contains the following so I thought that would 
 be
  sifficient:
  ?xml version=1.0 encoding=UTF-8?
  TrainingCenterDatabase
  xmlns=http://www.garmin.com/xmlschemas/TrainingCenterDatabase/v2;
  xmlns:xsi=http://www.w3.org/2001/XMLSchema-instance;
  xsi:schemaLocation=
 http://www.garmin.com/xmlschemas/TrainingCenterDatabase/v2
  http://www.garmin.com/xmlschemas/TrainingCenterDatabasev2.xsd;
 
  Isn't that how it is supposed to work??
 
 
  On Monday, April 2, 2012 12:01:42 PM UTC-4, Daniel Drozdzewski wrote:
 
  Did you tell your parser which schema will it be validating against?
  Setting validation flag to true is not enough...
 
  Have a look here at a quick validating example using SAXParser:
  http://docs.oracle.com/javaee/1.4/tutorial/doc/JAXPSAX9.html
 
  Daniel
 
  On 2 April 2012 16:34, RedBullet  wrote:
   I am parsing some XML with SAX, and I noticed that there was some XSD 
 in
   the
   files I am parsing.
  
   So, I figured to would turn validation on the factory before I get the
   parse, but when I do I get an error saying there is no validating 
 parser
   available.
  
   So... How does one validate XML on the Android??
  
   --
 
  --
  Daniel Drozdzewski
 
  --

 -- 
 Daniel Drozdzewski



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[android-developers] how to save/restore SharedPreferences between devices?

2012-03-30 Thread RedBullet 
While my app is in beta testing I want to provide a mechanism to allow my 
testers to send me information (logs and such) so that I can have a better 
chance at reproducing problems.

My question is, is there a reasonable way for an app to send along the 
SharedPreferences state to me such that I could then restore it in the 
emulator to help diagnose problems?

I have certainly thought about just grabbing the values I am interested in 
and creating an XML file, and then just parse it on the other end. But it 
strikes me that there might be a better way.

Any ideas?

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[android-developers] Missing classes when running in emulator (new to R17)

2012-03-28 Thread RedBullet 
So, I just updated SDK to R17, and updated my ADT to match.

I just noticed that it doesn't appear to be including my third party 
libraries any more. I have the commons net 1.4.1 jar in my project, 
everything compiles like a champ, but when it runs I get a runtime error 
saying it cannot find a class in that JAR.

Any ideas??

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[android-developers] Re: Missing classes when running in emulator (new to R17)

2012-03-28 Thread RedBullet 
Thanks!

On Wednesday, March 28, 2012 11:22:38 AM UTC-4, Nadeem Hasan wrote:

 Rename your lib directory to libs. Clean and rebuild the project and 
 try again.

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[android-developers] Transitioning from debug to release builds

2012-03-27 Thread RedBullet 
I am in the process of building my first app using Eclipse, and am 
preparing to start doing release builds. For example I am going through to 
make sure I have the right logging level for my log statements.

But I do not really see how to produce a release build. For example in the 
documentation for Log (
http://developer.android.com/reference/android/util/Log.html) it says:
Verbose should never be compiled into an application except during 
development. Debug logs are compiled in but stripped at runtime. Error, 
warning and info logs are always kept. 

It isn't clear to me how *I* do that or if that is done on my behalf when a 
release build is done...

And to the last point there, I don't see where I actually do a release 
build...

Thanks in advance!

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[android-developers] use of audio streams

2012-03-27 Thread RedBullet 
I am building an app that will do TTS to read turn by turn directions for 
navigation.

When I am using a bluetooth headset I turn on SCO and use the 
STREAM_VOICE_CALLhttp://developer.android.com/reference/android/media/AudioManager.html#STREAM_VOICE_CALL
 stream.

My question is, when I am NOT using bluetooth and just want to use the 
phone (optionally speaker) which stream do I use? 
STREAM_MUSIChttp://developer.android.com/reference/android/media/AudioManager.html#STREAM_MUSIC
 or 
something else?

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Re: [android-developers] Transitioning from debug to release builds

2012-03-27 Thread RedBullet 
In my app I have Warning, Debug, Information, and Verbose logging. They ALL 
see to get logged whether I am running, debugging, or running on the device 
(exported the app from eclipse and installed/run on my phone).

On Tuesday, March 27, 2012 10:59:57 AM UTC-4, lbendlin wrote:

 if you are not yet ready to post to the market, you can also simply use 
 Run rather than Debug in Eclipse.

 On Tuesday, March 27, 2012 10:55:26 AM UTC-4, MagouyaWare wrote:

 Export a signed .apk from eclipse...
 On Mar 27, 2012 6:47 AM, RedBullet  wrote:

 I am in the process of building my first app using Eclipse, and am 
 preparing to start doing release builds. For example I am going through to 
 make sure I have the right logging level for my log statements.

 But I do not really see how to produce a release build. For example in 
 the documentation for Log (
 http://developer.android.com/reference/android/util/Log.html) it says:
 Verbose should never be compiled into an application except during 
 development. Debug logs are compiled in but stripped at runtime. Error, 
 warning and info logs are always kept. 

 It isn't clear to me how *I* do that or if that is done on my behalf 
 when a release build is done...

 And to the last point there, I don't see where I actually do a release 
 build...

 Thanks in advance!

 -- 



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[android-developers] Re: use of audio streams

2012-03-27 Thread RedBullet 
Since what I am doing is navigation, it should be heard over anything else 
(except phone calls).

On Tuesday, March 27, 2012 1:43:22 PM UTC-4, lbendlin wrote:

 This entirely depends on how cooperative you want to be with the other 
 applications on the device that may use the audio services at the same time.

 On Tuesday, March 27, 2012 11:09:26 AM UTC-4, RedBullet wrote:

 I am building an app that will do TTS to read turn by turn directions for 
 navigation.

 When I am using a bluetooth headset I turn on SCO and use the 
 STREAM_VOICE_CALLhttp://developer.android.com/reference/android/media/AudioManager.html#STREAM_VOICE_CALL
  stream.

 My question is, when I am NOT using bluetooth and just want to use the 
 phone (optionally speaker) which stream do I use? 
 STREAM_MUSIChttp://developer.android.com/reference/android/media/AudioManager.html#STREAM_MUSIC
  or 
 something else?



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Re: [android-developers] Re: use of audio streams

2012-03-27 Thread RedBullet 
Back to the question please, how do I decide which stream I use? Or am I 
thinking of this incorrectly?

The behavior I want is that I want my TTS to be heard. 

On Tuesday, March 27, 2012 5:01:05 PM UTC-4, lbendlin wrote:

 and they will be rather quick with the Uninstall button if they don't like 
 the way your app does it.

 On Tuesday, March 27, 2012 2:16:58 PM UTC-4, Kristopher Micinski wrote:

 I think people would all make similar arguments for their
 applications, however.. (mp3 players, etc..)

 kris


 On Tue, Mar 27, 2012 at 1:49 PM, RedBullet  wrote:
  Since what I am doing is navigation, it should be heard over anything 
 else
  (except phone calls).
 
 
  On Tuesday, March 27, 2012 1:43:22 PM UTC-4, lbendlin wrote:
 
  This entirely depends on how cooperative you want to be with the other
  applications on the device that may use the audio services at the same 
 time.
 
  On Tuesday, March 27, 2012 11:09:26 AM UTC-4, RedBullet wrote:
 
  I am building an app that will do TTS to read turn by turn directions 
 for
  navigation.
 
  When I am using a bluetooth headset I turn on SCO and use
  the STREAM_VOICE_CALL stream.
 
  My question is, when I am NOT using bluetooth and just want to use the
  phone (optionally speaker) which stream do I use? STREAM_MUSIC or 
 something
  else?
 
  --



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[android-developers] Re: Transitioning from debug to release builds

2012-03-27 Thread RedBullet 
I guess I don't understand what the documentation means when it says   Debug 
logs are compiled in but stripped at runtime  it implies there is some 
processing that takes place.

If the answer is that the developer should comment out or otherwise  remove 
Verbose/Debug log statements it seems like it should just say so?

On Tuesday, March 27, 2012 12:45:15 PM UTC-4, Chris Pearson wrote:

 Creating a release build doesn't remove the Log messages. It would be 
 nice to be able to disable them automatically that way, though. 

 On Mar 27, 8:22 am, RedBullet scottedchap...@gmail.com wrote: 
  In my app I have Warning, Debug, Information, and Verbose logging. They 
 ALL 
  see to get logged whether I am running, debugging, or running on the 
 device 
  (exported the app from eclipse and installed/run on my phone). 
  
  
  
  
  
  
  
  On Tuesday, March 27, 2012 10:59:57 AM UTC-4, lbendlin wrote: 
  
   if you are not yet ready to post to the market, you can also simply 
 use 
   Run rather than Debug in Eclipse. 
  
   On Tuesday, March 27, 2012 10:55:26 AM UTC-4, MagouyaWare wrote: 
  
   Export a signed .apk from eclipse... 
   On Mar 27, 2012 6:47 AM, RedBullet  wrote: 
  
   I am in the process of building my first app using Eclipse, and am 
   preparing to start doing release builds. For example I am going 
 through to 
   make sure I have the right logging level for my log statements. 
  
   But I do not really see how to produce a release build. For example 
 in 
   the documentation for Log ( 
  http://developer.android.com/reference/android/util/Log.html) it 
 says: 
   Verbose should never be compiled into an application except during 
   development. Debug logs are compiled in but stripped at runtime. 
 Error, 
   warning and info logs are always kept. 
  
   It isn't clear to me how *I* do that or if that is done on my behalf 
   when a release build is done... 
  
   And to the last point there, I don't see where I actually do a 
 release 
   build... 
  
   Thanks in advance! 
  
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Re: [android-developers] Re: Transitioning from debug to release builds

2012-03-27 Thread RedBullet 
Can you explain how I would proxy it? 

On Tuesday, March 27, 2012 9:22:07 PM UTC-4, Kristopher Micinski wrote:

 Right, but my point is that you can even do this without the ifs, as
 you probably don't want to put them all over your code, and a null
 method body will get optimized away.

 kris

 On Tue, Mar 27, 2012 at 9:19 PM, Nikolay Elenkov
  wrote:
  On Wed, Mar 28, 2012 at 10:13 AM, Kristopher Micinski
   wrote:
  You can also try proxying the logger class into your own, and in your
  implementation comment out the debug functions.  The calls will simply
  be optimized away (even without JIT, Dalvik will remove these..)
 
 
  With ADT17 is as easy as:
 
  if (BuildConfig.DEBUG) {
Log.d(TAG, foobar);
  }
 
  BuildConfig.DEBUG will be set to false when exporting a signed up,
  thus log statement will be removed from the release build.
 
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[android-developers] Trying to detect is bluetooth headset is paired so I can know to route audio to it (using SCO)

2012-03-23 Thread RedBullet 
So, I have an app which currently has a setting to enable/disable SCO 
routing.

Is there a way for me to detect if there is a Bluetooth Headset paired (I 
can enumerate through the BT devices OK), and get any information on it? 
Like does it support SCO?

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[android-developers] How to tell is Bluetooth SCO is available?

2012-03-22 Thread RedBullet 
What's the proper way to determine is Bluetooth SCO is available? I am 
guessing that one just needs to call startBluetoothSco() and then listen 
for the status intent?

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[android-developers] can't find my resources in my service...

2012-03-20 Thread RedBullet 
So, I noticed something a little odd as I was refactoring my code. 
Basically I am moving a bunch of code from an activity to a service, and 
this included a Notification.

In my notification I reference a String and an Icon which are both in my 
resources (R.drawable.myicon for example).

When I moved this code to my Service class it was no longer able to resolve 
that path...

Stumped... But must be missing something fundamental.

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[android-developers] How to keep activity running

2012-03-19 Thread RedBullet 
My application is a GPS nav type app. Needs to be running when I am doing a 
route.

It appears that the system can decide to kill my process (I see onDestroy) 
get called for example.

So, what's the right policy here, should I over-ride the onDestroy and just 
have it do nothing, but provide a way to manually kill the activity?

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[android-developers] Re: How to keep activity running

2012-03-19 Thread RedBullet 
Yea, I am basically using the activity as my application. Might need to 
refactor the whole damn thing, create a real Application, Service, and then 
activities...

Maybe as a short-term hack I can just do nothing in my own activity (I 
already have an exit button).

On Monday, March 19, 2012 9:39:41 AM UTC-4, RedBullet wrote:

 My application is a GPS nav type app. Needs to be running when I am doing 
 a route.

 It appears that the system can decide to kill my process (I see onDestroy) 
 get called for example.

 So, what's the right policy here, should I over-ride the onDestroy and 
 just have it do nothing, but provide a way to manually kill the activity?


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Re: [android-developers] How to keep activity running

2012-03-19 Thread RedBullet 
So, is there an example that shows how an Application class interacts with 
activities? My app to date is just activity based. Do I need to do anything 
aside from create a class derived from Application, store my own 
application state info in it, an update my manifest?

Or do I need to more than that?

(I'll read up on services, but I can find a ton of examples of those)

On Monday, March 19, 2012 9:57:54 AM UTC-4, TreKing wrote:

 On Mon, Mar 19, 2012 at 8:55 AM, TreKing  wrote:

 If you need to keep it from getting killed and need to interact with the 
 user, you need an ongoing notification along with your Service.


 I should clarify that this still does not guarantee you won't be killed - 
 it'll just make it less likely.


 -
 TreKing http://sites.google.com/site/rezmobileapps/treking - Chicago 
 transit tracking app for Android-powered devices



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Re: [android-developers] How to keep activity running

2012-03-19 Thread RedBullet 
Yea, I'll create a service to essentially do the route tracking when I am 
doing a route.

I am wondering if it makes sense to contain all that state/logic in the 
service, or if I should put as much of the common state into an Application 
class, and let the activities/services access it through the application 
class.

On Monday, March 19, 2012 12:18:57 PM UTC-4, TreKing wrote:

 On Mon, Mar 19, 2012 at 10:01 AM, RedBullet  wrote:

 So, is there an example that shows how an Application class interacts 
 with activities?


 Application doesn't really interact with Activities. You can of course 
 add your own logic that does, but it's not necessary, particularly for what 
 you've described as your use case.
  

 My app to date is just activity based. Do I need to do anything aside 
 from create a class derived from Application, store my own application 
 state info in it, an update my manifest?

 Or do I need to more than that?


 Yes. I really sounds like you need a Service, not an Application. See the 
 Google Navigation app for a prime example.


 -
 TreKing http://sites.google.com/site/rezmobileapps/treking - Chicago 
 transit tracking app for Android-powered devices



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Re: [android-developers] How to keep activity running

2012-03-19 Thread RedBullet 
Yea, that is sort of where I am going too. It does seem like what the 
Application class is for...

On Monday, March 19, 2012 12:54:12 PM UTC-4, TreKing wrote:

 On Mon, Mar 19, 2012 at 11:40 AM, RedBullet  wrote:

 I am wondering if it makes sense to contain all that state/logic in the 
 service, or if I should put as much of the common state into an Application 
 class, and let the activities/services access it through the application 
 class.


 Well, now you're getting into architecture questions for your 
 business-specific logic, so that's really ultimately up to you. Personally, 
 I would abstract that logic into its own class(es), which are then accessed 
 from wherever they're needed, whether it be the background service the 
 current foreground activity. As Singletons, perhaps?


 -
 TreKing http://sites.google.com/site/rezmobileapps/treking - Chicago 
 transit tracking app for Android-powered devices

  

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[android-developers] Intent always restarts activity, even if already running...

2012-03-17 Thread RedBullet 
So, I am creating a notification which, when selected, I would like to make 
my app the active app. But what it is doing instead is re-starting the app 
even though I know it is still running.

Here is how I create the notification, I suspect I need to be more clever 
with the Intent:

private void createNotification()
{
NotificationManager notificationManager = (NotificationManager) 
getSystemService(NOTIFICATION_SERVICE);
Notification notification = new Notification(R.drawable.icon,
A new notification, System.currentTimeMillis());
// Hide the notification after its selected
notification.flags |= Notification.FLAG_AUTO_CANCEL;
 Intent intent = new Intent(this, RideRoutingActivity.class);
PendingIntent activity = PendingIntent.getActivity(this, 0, intent, 0);
notification.setLatestEventInfo(this, This is the title,
This is the text, activity);
notification.number += 1;
notificationManager.notify(0, notification);
}

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[android-developers] Re: Intent always restarts activity, even if already running...

2012-03-17 Thread RedBullet 
OK, got it. Just needed the right notification flags... Thought it had to 
do with the intent! Sheesh!

On Saturday, March 17, 2012 3:24:19 PM UTC-4, RedBullet wrote:

 So, I am creating a notification which, when selected, I would like to 
 make my app the active app. But what it is doing instead is re-starting the 
 app even though I know it is still running.

 Here is how I create the notification, I suspect I need to be more clever 
 with the Intent:

 private void createNotification()
 {
 NotificationManager notificationManager = (NotificationManager) 
 getSystemService(NOTIFICATION_SERVICE);
 Notification notification = new Notification(R.drawable.icon,
 A new notification, System.currentTimeMillis());
 // Hide the notification after its selected
 notification.flags |= Notification.FLAG_AUTO_CANCEL;
  Intent intent = new Intent(this, RideRoutingActivity.class);
 PendingIntent activity = PendingIntent.getActivity(this, 0, intent, 0);
 notification.setLatestEventInfo(this, This is the title,
 This is the text, activity);
 notification.number += 1;
 notificationManager.notify(0, notification);
 }


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[android-developers] How to leverage a specific API when available?

2012-03-16 Thread RedBullet 
So, I had been developing an app to run on API 10, and when I switched to 
run it on API 7 noticed that AudioManager.startBluetoothSCO didn't exist...

So, how do I handle that? I can just remove it form my code, but not sure 
if that means I just can't send audio to SCO in old versions of android.

Is there a reasonable approach to leveraging a specific API function if I 
am running on an API that supports it?

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[android-developers] newb-question - registering for intents

2012-03-14 Thread RedBullet 
I am calling startBluetoothSCO and according to the docs, I should be 
waiting for the state change:
As the SCO connection establishment can take several seconds, applications 
should not rely on the connection to be available when the method returns 
but instead register to receive the 
intentACTION_SCO_AUDIO_STATE_UPDATEDhttp://developer.android.com/reference/android/media/AudioManager.html#ACTION_SCO_AUDIO_STATE_UPDATED
 and 
wait for the state to be 
SCO_AUDIO_STATE_CONNECTEDhttp://developer.android.com/reference/android/media/AudioManager.html#SCO_AUDIO_STATE_CONNECTED
. 

I am at a loss as to how to do that...

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[android-developers] Can I have a preference with no UI?

2012-03-14 Thread RedBullet 
I have a bunch of preferences that I want the user to be able to set, but I 
also want to be able to store some values to keep between executions of my 
program. I didn't see a way to do this with shared preferences...

Do I need to use something different??

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Re: [android-developers] Can I have a preference with no UI?

2012-03-14 Thread RedBullet 
Thanks, I'll try that.

I am using a PreferencesActivity to manage the display and updating of the 
values, and I created a preferences.xml that details it. 

So, I assume that I can programatically add/modify additional ones as you 
describe?

On Wednesday, March 14, 2012 4:45:56 PM UTC-4, MagouyaWare wrote:

 String prefKey = my_pref_key;
 String prefVal = my_pref_value;

 SharedPreferences prefMgr = 
 PreferenceManager.getDefaultSharedPreferences(context);Editor prefEdit = 
 prefMgr.edit();

 prefEdit.putString(prefKey, prefValue);


 prefEdit.commit();


 Thanks,
 Justin Anderson
 MagouyaWare Developer
 http://sites.google.com/site/magouyaware


 On Wed, Mar 14, 2012 at 2:34 PM, RedBullet  wrote:

 I have a bunch of preferences that I want the user to be able to set, but 
 I also want to be able to store some values to keep between executions of 
 my program. I didn't see a way to do this with shared preferences...

 Do I need to use something different??

 -- 




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Re: [android-developers] How to get view for selected item in a ListView

2012-03-10 Thread RedBullet 
So that brings up a really good point. I can think of a couple of 
circumstances when the item I want to modify might not have been rendered 
yet so there may not be a view for it. Is there a way to have it rendered 
so I can get the view? Or possibly, since this is not a large list, for the 
entire list to be rendered?

On Friday, March 9, 2012 5:31:36 PM UTC-5, Kostya Vasilyev wrote:

 On 03/10/2012 02:25 AM, RedBullet wrote:
  Zactlee. When I load up the view, I want it starting from the first 
  item on the list...

 At this point, the list view doesn't have any children yet, it has not 
 been layed out on the screen.

 Or, putting it differently, ListView doesn't start drinking before 11am :)

 -- Kostya



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Re: [android-developers] How to get view for selected item in a ListView

2012-03-10 Thread RedBullet 
Any guidance on implementing step #1? There must be a tutorial or example I 
can look at?

Thanks in advance!

On Saturday, March 10, 2012 8:41:53 AM UTC-5, Mark Murphy (a Commons Guy) 
wrote:

 On Sat, Mar 10, 2012 at 8:15 AM, RedBullet  wrote:
  So that brings up a really good point. I can think of a couple of
  circumstances when the item I want to modify might not have been rendered
  yet so there may not be a view for it. Is there a way to have it 
 rendered so
  I can get the view? Or possibly, since this is not a large list, for the
  entire list to be rendered?

 Step #1: Teach your *adapter* how to tailor the views based upon state

 Step #2: Call notifyDataSetChanged() on the adapter whenever that state 
 changes

 Never never never never never never never adjust Views in an
 AdapterView *except via the adapter*.

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

 _Android Programming Tutorials_ Version 4.1 Available!



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Re: [android-developers] How to get view for selected item in a ListView

2012-03-10 Thread RedBullet 
Awesome. Where can I buy your book? Seriously?

On Saturday, March 10, 2012 9:28:04 AM UTC-5, Mark Murphy (a Commons Guy) 
wrote:

 On Sat, Mar 10, 2012 at 9:09 AM, RedBullet  wrote:
  Any guidance on implementing step #1? There must be a tutorial or 
 example I
  can look at?

 http://commonsware.com/Android/excerpt.pdf

 -- 
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 http://commonsware.com/blog | http://twitter.com/commonsguy

 _Android Programming Tutorials_ Version 4.1 Available!



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[android-developers] How to get view for selected item in a ListView

2012-03-09 Thread RedBullet 
So, I have a class that implements ListActivity, and it loads up a a list 
of turns for turn-by-turn navigation.

Essentially I want to decorate the item that is the next waypoint in the 
list, and when you arrive, de-decorate and decorate the next waypoint in 
the list.

So, I have been noodling this, but haven't figured out how to do this yet. 

I know I can call setSelected(int) to say which item is the current one, 
but I don't see how I can get the view associated with the currently 
selected item.

I don't think getView is right since I am not populating the ListView.

Any ideas?

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Re: [android-developers] How to get view for selected item in a ListView

2012-03-09 Thread RedBullet 
Really?

So, if I have 100 items in my ListView, and I want to be monkeying around 
with item #50 I would do:
getListView().getChild(getListView().getFirstVisiblePosition() - 50)) ?

that doesn't seem right...

On Friday, March 9, 2012 2:42:29 PM UTC-5, MagouyaWare wrote:

 Didn't mean to send that yet...

 You can calculate the correct index by using this:

 http://developer.android.com/reference/android/widget/AdapterView.html#getFirstVisiblePosition%28%29

 You subtract the position in the adapter from the first visible position.

 Thanks,
 Justin Anderson
 MagouyaWare Developer
 http://sites.google.com/site/magouyaware


 On Fri, Mar 9, 2012 at 12:41 PM, Justin Anderson  wrote:

 Try using this:

 http://developer.android.com/reference/android/view/ViewGroup.html#getChildAt%28int%29

 However, beware that the child index is not necessarily the same as the 
 position of the item in the ArrayAdapter due to view recycling.  But you 
 can get the correct index 

 Thanks,
 Justin Anderson
 MagouyaWare Developer
 http://sites.google.com/site/magouyaware



 On Fri, Mar 9, 2012 at 12:32 PM, RedBullet  wrote:

 So, I have a class that implements ListActivity, and it loads up a a 
 list of turns for turn-by-turn navigation.

 Essentially I want to decorate the item that is the next waypoint in the 
 list, and when you arrive, de-decorate and decorate the next waypoint in 
 the list.

 So, I have been noodling this, but haven't figured out how to do this 
 yet. 

 I know I can call setSelected(int) to say which item is the current one, 
 but I don't see how I can get the view associated with the currently 
 selected item.

 I don't think getView is right since I am not populating the ListView.

 Any ideas?

 -- 





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Re: [android-developers] How to get view for selected item in a ListView

2012-03-09 Thread RedBullet 
OK, so here is my code snipet:

RouteAdapter adapter = new RouteAdapter(this, route.getCues());
setListAdapter(adapter);
setSelection();
}

public void setSelection()
{
RouteAdapter adapter = (RouteAdapter) getListAdapter();
Integer index = adapter.getPosition(nextCuePoint);
View itemView = this.getListView().getChildAt(index - 
getListView().getFirstVisiblePosition());

The position of the nextCuePoint is 0 (which is correct since it is the 
first cue). But I am getting null for itemView...


On Friday, March 9, 2012 3:11:21 PM UTC-5, Kostya Vasilyev wrote:

 The children are always numbered starting at 0.

 The top position may correspond to, erm, 1812'th adapter item, and still 
 be the zero'th child.

  int nFirst = mAccountListView.getFirstVisiblePosition();
  int nLast = mAccountListView.getLastVisiblePosition();
  for (int position = nFirst; position = nLast; ++position) {
  View itemView = mAccountListView.getChildAt(position - 
 nFirst);
 ...


 On 03/10/2012 12:03 AM, RedBullet wrote:
  Really?
 
  So, if I have 100 items in my ListView, and I want to be monkeying 
  around with item #50 I would do:
  getListView().getChild(getListView().getFirstVisiblePosition() - 50)) ?
 
  that doesn't seem right...



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Re: [android-developers] How to get view for selected item in a ListView

2012-03-09 Thread RedBullet 
Good question; I'll have to check later, but I know index was 0.

On Friday, March 9, 2012 3:27:08 PM UTC-5, MagouyaWare wrote:

 What is the value of index - getListView().getFirstVisiblePosition()?

 Thanks,
 Justin Anderson
 MagouyaWare Developer
 http://sites.google.com/site/magouyaware


 On Fri, Mar 9, 2012 at 1:21 PM, RedBullet  wrote:

 OK, so here is my code snipet:

 RouteAdapter adapter = new RouteAdapter(this, route.getCues());
 setListAdapter(adapter);
  setSelection();
 }
 
 public void setSelection()
 {
 RouteAdapter adapter = (RouteAdapter) getListAdapter();
 Integer index = adapter.getPosition(nextCuePoint);
 View itemView = this.getListView().getChildAt(index - 
 getListView().getFirstVisiblePosition());

 The position of the nextCuePoint is 0 (which is correct since it is the 
 first cue). But I am getting null for itemView...


 On Friday, March 9, 2012 3:11:21 PM UTC-5, Kostya Vasilyev wrote:

 The children are always numbered starting at 0.

 The top position may correspond to, erm, 1812'th adapter item, and still 
 be the zero'th child.

  int nFirst = mAccountListView.**getFirstVisiblePosition();
  int nLast = mAccountListView.**getLastVisiblePosition();
  for (int position = nFirst; position = nLast; ++position) {
  View itemView = mAccountListView.getChildAt(**position - 
 nFirst);
 ...


 On 03/10/2012 12:03 AM, RedBullet wrote:
  Really?
 
  So, if I have 100 items in my ListView, and I want to be monkeying 
  around with item #50 I would do:
  getListView().getChild(**getListView().**getFirstVisiblePosition() - 
 50)) ?
 
  that doesn't seem right...

  -- 



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Re: [android-developers] How to get view for selected item in a ListView

2012-03-09 Thread RedBullet 
And the answer is 0

On Friday, March 9, 2012 3:27:08 PM UTC-5, MagouyaWare wrote:

 What is the value of index - getListView().getFirstVisiblePosition()?

 Thanks,
 Justin Anderson
 MagouyaWare Developer
 http://sites.google.com/site/magouyaware


 On Fri, Mar 9, 2012 at 1:21 PM, RedBullet  wrote:

 OK, so here is my code snipet:

 RouteAdapter adapter = new RouteAdapter(this, route.getCues());
 setListAdapter(adapter);
  setSelection();
 }
 
 public void setSelection()
 {
 RouteAdapter adapter = (RouteAdapter) getListAdapter();
 Integer index = adapter.getPosition(nextCuePoint);
 View itemView = this.getListView().getChildAt(index - 
 getListView().getFirstVisiblePosition());

 The position of the nextCuePoint is 0 (which is correct since it is the 
 first cue). But I am getting null for itemView...


 On Friday, March 9, 2012 3:11:21 PM UTC-5, Kostya Vasilyev wrote:

 The children are always numbered starting at 0.

 The top position may correspond to, erm, 1812'th adapter item, and still 
 be the zero'th child.

  int nFirst = mAccountListView.**getFirstVisiblePosition();
  int nLast = mAccountListView.**getLastVisiblePosition();
  for (int position = nFirst; position = nLast; ++position) {
  View itemView = mAccountListView.getChildAt(**position - 
 nFirst);
 ...


 On 03/10/2012 12:03 AM, RedBullet wrote:
  Really?
 
  So, if I have 100 items in my ListView, and I want to be monkeying 
  around with item #50 I would do:
  getListView().getChild(**getListView().**getFirstVisiblePosition() - 
 50)) ?
 
  that doesn't seem right...





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Re: [android-developers] How to get view for selected item in a ListView

2012-03-09 Thread RedBullet 
Zactlee. When I load up the view, I want it starting from the first item on 
the list...


On Friday, March 9, 2012 5:02:34 PM UTC-5, Kostya Vasilyev wrote:

  Are you doing this from onCreate?

 On 03/10/2012 02:00 AM, RedBullet wrote: 

 And the answer is 0

 On Friday, March 9, 2012 3:27:08 PM UTC-5, MagouyaWare wrote: 

 What is the value of index - getListView().getFirstVisiblePosition()?

 Thanks,
 Justin Anderson
 MagouyaWare Developer
 http://sites.google.com/site/magouyaware


 On Fri, Mar 9, 2012 at 1:21 PM, RedBullet  wrote:

 OK, so here is my code snipet: 

   RouteAdapter adapter = new RouteAdapter(this, route.getCues());
  setListAdapter(adapter);
  setSelection();
 }
 
 public void setSelection()
 {
 RouteAdapter adapter = (RouteAdapter) getListAdapter();
 Integer index = adapter.getPosition(nextCuePoint);
 View itemView = this.getListView().getChildAt(index - 
 getListView().getFirstVisiblePosition());

  The position of the nextCuePoint is 0 (which is correct since it is 
 the first cue). But I am getting null for itemView...
  
  
 On Friday, March 9, 2012 3:11:21 PM UTC-5, Kostya Vasilyev wrote: 

 The children are always numbered starting at 0. 

 The top position may correspond to, erm, 1812'th adapter item, and 
 still 
 be the zero'th child.

  int nFirst = mAccountListView.getFirstVisiblePosition();
  int nLast = mAccountListView.getLastVisiblePosition();
  for (int position = nFirst; position = nLast; ++position) {
  View itemView = mAccountListView.getChildAt(position - 
 nFirst);
 ...


 On 03/10/2012 12:03 AM, RedBullet wrote:
  Really?
 
  So, if I have 100 items in my ListView, and I want to be monkeying 
  around with item #50 I would do:
  getListView().getChild(getListView().getFirstVisiblePosition() - 50)) 
 ?
 
  that doesn't seem right...

   
   
  -- 


  

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Re: [android-developers] How to get view for selected item in a ListView

2012-03-09 Thread RedBullet 
Yea so i guess i need to figure how ti initialize this differently...

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[android-developers] Looking for LocationManager use for cycling app

2012-03-06 Thread RedBullet 
I am writing an app that will will follow a route on the map, very similar 
to a car navigation (except that it is following a specific route, not 
simply trying to get to a location).

What I am interested in is what would you recommend regarding which 
provider to use, and what criteria to use when listening for location 
changes.

Overall what I need to do is the following:

   1. Announce when I am off course by about 100 meters
   2. Announce when I am approaching a turn by about 100-200 meters
   3. go to the next waypoint when I arrive at a turn (about 50 meters)
   4. cyclists ride about 10-30 MPH
   5. Rides generally last 3-8 hours (so think battery power).

Right now I am doing this:
locationManager = (LocationManager) 
getSystemService(Context.LOCATION_SERVICE);
Criteria criteria = new Criteria();
criteria.setAccuracy(Criteria.ACCURACY_COARSE);
criteria.setPowerRequirement(Criteria.POWER_LOW);
provider = locationManager.getBestProvider(criteria, false);

   locationManager.requestLocationUpdates(
provider, 
MINIMUM_TIME_BETWEEN_UPDATES, 
MINIMUM_DISTANCE_CHANGE_FOR_UPDATES,
this
);

Where min time is 5000 and min distance is 10

Any other recommendations? Like should I just always pick GPS for provider? 
Or other strategies?

Thanks in advance!

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[android-developers] Problem with SAX parser on large XML files?

2012-03-06 Thread RedBullet 
I have been debugging this for a while now, and I can only reproduce it 
when I run in the Android environment (emulator or device), but 
not reproducible in plain old java.

The behavior is that I am just PART of a fragment instead of the entire 
element. For example


Longitude-71.41000482232/Longitude

What I actually get is just 1000482232.

My characters function is the basic:
public void characters(char[] ch, int start, int length) throws 
SAXException {
tempVal = new String(ch,start,length);
}

No errors or exceptions or warning or anything...

It is as if it is doing buffering since it appear to give me fragments 
after parsing some 2-4k lines of XML.

Any ideas??

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[android-developers] Re: Problem with SAX parser on large XML files?

2012-03-06 Thread RedBullet 
I am talking about what I see when endELement event occurs. I end up with 
tempVal containing a partial element.

Is there some example I can see that does a proper job? Virtually every 
example I have seen seems to be making the same assumption I am...

On Tuesday, March 6, 2012 4:20:10 PM UTC-5, Lew wrote:

 SAX parsers, such as you appear to be using, do not guarantee to give all 
 the character data for a given element in a single callback to 
 'characters()'. Your logic that assumes otherwise is fatally flawed.

 You're not guaranteed to have processed the whole element until 
 'endElement()', of course.

 -- 
 Lew

 On Tuesday, March 6, 2012 1:09:57 PM UTC-8, RedBullet wrote:

 I have been debugging this for a while now, and I can only reproduce it 
 when I run in the Android environment (emulator or device), but 
 not reproducible in plain old java.

 The behavior is that I am just PART of a fragment instead of the entire 
 element. For example

 
 Longitude-71.41000482232/Longitude

 What I actually get is just 1000482232.

 My characters function is the basic:
 public void characters(char[] ch, int start, int length) throws 
 SAXException {
 tempVal = new String(ch,start,length);
 }

 No errors or exceptions or warning or anything...

 It is as if it is doing buffering since it appear to give me fragments 
 after parsing some 2-4k lines of XML.

 Any ideas??



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Re: [android-developers] Re: Problem with SAX parser on large XML files?

2012-03-06 Thread RedBullet 
Got it, so if I turn my characters method into an accumulator and make sure 
I reset it either in startElement or endElement (as appropriate) I should 
be good?

On Tuesday, March 6, 2012 5:05:18 PM UTC-5, Mark Murphy (a Commons Guy) 
wrote:

 On Tue, Mar 6, 2012 at 4:52 PM, RedBullet  wrote:
  I am talking about what I see when endELement event occurs. I end up with
  tempVal containing a partial element.

 Correct. That is because your implementation is buggy. You may be
 called with characters() several times for an element's text node(s),
 and you are only holding onto the last value. Use StringBuilder or
 something to concatenate your results.

  Is there some example I can see that does a proper job? Virtually every
  example I have seen seems to be making the same assumption I am...


 http://stackoverflow.com/questions/4567636/java-sax-parser-split-calls-to-characters
 http://stackoverflow.com/questions/4511955/sax-parser-issue
 http://stackoverflow.com/questions/3201918/sax-parsing-in-android

 http://stackoverflow.com/questions/8635414/sax-parser-returns-first-character-of-the-title

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

 Android Training in NYC: http://marakana.com/training/android/



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[android-developers] Re: Looking for LocationManager use for cycling app

2012-03-06 Thread RedBullet 
Generally out in the country.

On Tuesday, March 6, 2012 5:07:36 PM UTC-5, lbendlin wrote:

 you are not saying where they are riding the bike.  Network location 
 services work MUCH better in densely populated areas than out in the 
 country.

 On Tuesday, March 6, 2012 1:16:00 PM UTC-5, RedBullet wrote:

 I am writing an app that will will follow a route on the map, very 
 similar to a car navigation (except that it is following a specific route, 
 not simply trying to get to a location).

 What I am interested in is what would you recommend regarding which 
 provider to use, and what criteria to use when listening for location 
 changes.

 Overall what I need to do is the following:

1. Announce when I am off course by about 100 meters
2. Announce when I am approaching a turn by about 100-200 meters
3. go to the next waypoint when I arrive at a turn (about 50 meters)
4. cyclists ride about 10-30 MPH
5. Rides generally last 3-8 hours (so think battery power).

 Right now I am doing this:
 locationManager = (LocationManager) 
 getSystemService(Context.LOCATION_SERVICE);
 Criteria criteria = new Criteria();
 criteria.setAccuracy(Criteria.ACCURACY_COARSE);
 criteria.setPowerRequirement(Criteria.POWER_LOW);
 provider = locationManager.getBestProvider(criteria, false);

locationManager.requestLocationUpdates(
 provider, 
 MINIMUM_TIME_BETWEEN_UPDATES, 
 MINIMUM_DISTANCE_CHANGE_FOR_UPDATES,
 this
 );

 Where min time is 5000 and min distance is 10

 Any other recommendations? Like should I just always pick GPS for 
 provider? Or other strategies?

 Thanks in advance!



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Re: [android-developers] Re: Problem with SAX parser on large XML files?

2012-03-06 Thread RedBullet 
I may not have this problem with the XML structure I am interested in 
parsing, but I imagine one could run into issues if there are nested 
elements being parsed:
body
 got some text here
 authorme/author
/body

I am guessing I would have to be clever and maintain multiple accumulators 
for each element when it is started (until I get the endElement).

On Tuesday, March 6, 2012 5:47:03 PM UTC-5, Mark Murphy (a Commons Guy) 
wrote:

 On Tue, Mar 6, 2012 at 5:41 PM, RedBullet  wrote:
  Got it, so if I turn my characters method into an accumulator and make 
 sure
  I reset it either in startElement or endElement (as appropriate) I 
 should be
  good?

 AFAIK, yes.

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

 Android Training in NYC: http://marakana.com/training/android/



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[android-developers] Re: Looking for LocationManager use for cycling app

2012-03-06 Thread RedBullet 
Not necessarily. In most of New England here we have network coverage.

So, I get that network location services have lower power requirements. 
What about the other parameters? Like how often to be notified (either min 
time or min distance) do those affect power usage in any significant way 
for an app like this?

What's a good strategy here?

On Tuesday, March 6, 2012 6:42:00 PM UTC-5, lbendlin wrote:

 so - GPS it is. Tell them to bring a spare battery.

 On Tuesday, March 6, 2012 5:45:20 PM UTC-5, RedBullet wrote:

 Generally out in the country.

 On Tuesday, March 6, 2012 5:07:36 PM UTC-5, lbendlin wrote:

 you are not saying where they are riding the bike.  Network location 
 services work MUCH better in densely populated areas than out in the 
 country.

 On Tuesday, March 6, 2012 1:16:00 PM UTC-5, RedBullet wrote:

 I am writing an app that will will follow a route on the map, very 
 similar to a car navigation (except that it is following a specific route, 
 not simply trying to get to a location).

 What I am interested in is what would you recommend regarding which 
 provider to use, and what criteria to use when listening for location 
 changes.

 Overall what I need to do is the following:

1. Announce when I am off course by about 100 meters
2. Announce when I am approaching a turn by about 100-200 meters
3. go to the next waypoint when I arrive at a turn (about 50 meters)
4. cyclists ride about 10-30 MPH
5. Rides generally last 3-8 hours (so think battery power).

 Right now I am doing this:
 locationManager = (LocationManager) 
 getSystemService(Context.LOCATION_SERVICE);
 Criteria criteria = new Criteria();
 criteria.setAccuracy(Criteria.ACCURACY_COARSE);
 criteria.setPowerRequirement(Criteria.POWER_LOW);
 provider = locationManager.getBestProvider(criteria, false);

locationManager.requestLocationUpdates(
 provider, 
 MINIMUM_TIME_BETWEEN_UPDATES, 
 MINIMUM_DISTANCE_CHANGE_FOR_UPDATES,
 this
 );

 Where min time is 5000 and min distance is 10

 Any other recommendations? Like should I just always pick GPS for 
 provider? Or other strategies?

 Thanks in advance!



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Re: [android-developers] Re: Looking for LocationManager use for cycling app

2012-03-06 Thread RedBullet 
OK, got it. So, if I am going to use GPS, are there any good strategies for 
conserving power? Do the update intervals make any difference? Or is the 
drain going to be the same because the radio is essentially on?

On Tuesday, March 6, 2012 7:07:45 PM UTC-5, Mark Murphy (a Commons Guy) 
wrote:

 On Tue, Mar 6, 2012 at 6:55 PM, RedBullet  wrote:
  Not necessarily. In most of New England here we have network coverage.

 Not with anything vaguely resembling the accuracy you seek. Network
 provider, in the form of cell tower triangulation, is good for a 1km
 or so. The only technology that presently exists that can give you 50m
 accuracy is GPS. Galileo, perhaps, in a few years, maybe, if it
 happens, but that's not today. WiFi hotspot proximity can also do
 pretty good, but that's not likely to be useful in your scenario.

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

 Android Training in NYC: http://marakana.com/training/android/



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Re: [android-developers] Re: Looking for LocationManager use for cycling app

2012-03-06 Thread RedBullet 
I suppose another thing I could do is pick a provider based on how far away 
I am from the next waypoint and switch to GPS when I am less than 1KM.

Does proximityAlerts help in this case?

On Tuesday, March 6, 2012 7:30:19 PM UTC-5, RedBullet wrote:

 OK, got it. So, if I am going to use GPS, are there any good strategies 
 for conserving power? Do the update intervals make any difference? Or is 
 the drain going to be the same because the radio is essentially on?

 On Tuesday, March 6, 2012 7:07:45 PM UTC-5, Mark Murphy (a Commons Guy) 
 wrote:

 On Tue, Mar 6, 2012 at 6:55 PM, RedBullet  wrote:
  Not necessarily. In most of New England here we have network coverage.

 Not with anything vaguely resembling the accuracy you seek. Network
 provider, in the form of cell tower triangulation, is good for a 1km
 or so. The only technology that presently exists that can give you 50m
 accuracy is GPS. Galileo, perhaps, in a few years, maybe, if it
 happens, but that's not today. WiFi hotspot proximity can also do
 pretty good, but that's not likely to be useful in your scenario.

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

 Android Training in NYC: http://marakana.com/training/android/



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Re: [android-developers] Re: Looking for LocationManager use for cycling app

2012-03-06 Thread RedBullet 
I guess the question is do they do anything fancy resembling magic in an 
effort to be power frugal? I suspect it is just a convenience...

On Tuesday, March 6, 2012 7:56:53 PM UTC-5, Mark Murphy (a Commons Guy) 
wrote:

 On Tue, Mar 6, 2012 at 7:44 PM, RedBullet  wrote:
  I suppose another thing I could do is pick a provider based on how far 
 away
  I am from the next waypoint and switch to GPS when I am less than 1KM.
 
  Does proximityAlerts help in this case?

 They can. They will let you know when you get near a point. They, of
 course, are limited by the accuracy of your chosen provider.

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

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Re: [android-developers] Re: Looking for LocationManager use for cycling app

2012-03-06 Thread RedBullet 
I am seeing some evidence that folks are able to use MyTracks to track a 
long bike ride. So, I might do some testing with it to make sure that is 
the case (recommendation is to turn off things you don't need, like wifi, 
bluetooth, and switch to 2G are among the recommendations. Though Airplane 
mode was also recommended).

If that works out reasonably well, then I guess I can assume I shouldn't 
worry so much about it?

On Tuesday, March 6, 2012 7:42:34 PM UTC-5, Mark Murphy (a Commons Guy) 
wrote:

 On Tue, Mar 6, 2012 at 7:30 PM, RedBullet  wrote:
  OK, got it. So, if I am going to use GPS, are there any good strategies 
 for
  conserving power? Do the update intervals make any difference? Or is the
  drain going to be the same because the radio is essentially on?

 In theory, a longer minTime may be used by Android to power down the
 GPS in between checks. In practice, I don't know how big of an effect
 it has. And, for any sort of navigation-type app, I'd be hesitant to
 make too many assumptions. For example, you're assuming a fairly slow
 cyclist speed, and there are some faster cyclists than that, but your
 app might be used by people riding Vespas, motorcycles, etc.

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

 Android Training in NYC: http://marakana.com/training/android/



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[android-developers] Routing TTS to SCO bluetooth headset

2012-02-29 Thread RedBullet 
I am trying to get my android app to use the TTS engine to send the
audio to my old BT headset.

I have tried starting SCO, then setting it to on. Nothing. Audio still
comes out the speakers...

Anyone ever done this? I am sure there is just something I am
missing...

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