0
To boldly go
where no man
  has gone
   before:
Exploring Geo
 in iPhone &
   Android
  Apr 1, 2010 Thu
 2:50 PM San Jose
To boldly go where no man
     has gone before:
Exploring Geo in iPhone & Android




   Stardate: -312751.7313546423
Three Years Ago
         Jan 2007
Stardate: -315974.3150684931
Widescreen iPod with touch controls
    Stardate: -315974.3150684931
Revolutionary mobile phone
Stardate: -315974.3150684931
Breakthrough internet communicator
    Stardate: -315974.3150684931
iPod        Phone       Internet



 Stardate: -315974.3150684931
iPhone

Stardate: -315974.3150684931
Chief Science Officer




    Stardate: -314000
Portable       Data        Data
Sensing       Analysis Communications


           Stardate: -314000
Tricorder

  Stardate: -314000
iPhone

Stardate: -315974.3150684931
Tricorder

  Stardate: -314000
Tricorder                 iPhone
      Stardate: -314000
Locator Scanner Compass



Recorder Sensor   Search



 Text    Data      Voice
    Stardate: -314000
Phone          Camera
                         (Audio)      (Photo / Video)
         GPS
        (Geo)
    Magentometer
  ...
Phone         Camera
                         (Audio)     (Photo / Video)
         GPS
        (Geo)
    Magentometer
    ...
iPhone SDK




Xcode           Interface Builder




        Data Analysis
Phone          Camera
                         (Audio)      (Photo / Video)
         GPS
        (Geo)
    Magentometer
  ...
Stardate: -315974.3150684931
Core
 MapKit
           Location



iPhone SDK Frameworks
iPhone SDK Frameworks


        Cocoa Touch Layer

           Media Layer

        Core Services Layer

          Core OS ...
iPhone SDK Frameworks


        Cocoa Touch Layer
               Map Kit



           Media Layer

        Core Services ...
CLLocation Manager
         CLLocation
         CLHeading

Core Location Framework: Class
UIViewController Interface
                    CLLocationManager



#import <CoreLocation/CoreLocation.h>
@interface GetLo...
ViewController Method
                     CLLocationManager




// Create the manager object
self.locationManager = [[[CL...
CLLocation Class Constants
              CLLocationDegrees

           CLLocationCoordinate2D

              CCLocationAcc...
Accuracy Constants
                                   CLLocation Class

                     locationManager.desiredAccura...
CLLocation Class Constants
                       CLLocationDegrees

Delivers a latitude or longitude value specified in
d...
CLLocation Class Constants
                      CLLocationDirection

Delivers a direction that is measured in degrees and...
Clockwise




CCLocationDirection
CLLocation Class Properties
                    altitude

                  coordinate

                    course

      ...
Read-Only
                    altitude

                  coordinate

                    course

              horizontal...
Measurement Units
               altitude (meters)

                  coordinate

               course (degrees)

       ...
CLLocation Manager
         CLLocation
         CLHeading

Core Location Framework: Class
CLLocationManager
                        Core Location


       Create a CLLocationManager object to get
       heading b...
CLLocationManager Class
                   Properties
               headingAvailable

                 headingFilter
    ...
CLLocationManager
                                 Core Location



if (locationManager.headingAvailable == NO) {
       s...
CLLocation Manager
         CLLocation
         CLHeading

Core Location Framework: Class
CLHeading
                                   Core Location




- (void)locationManager:(CLLocationManager *)manager
didUpd...
Core
 MapKit
           Location



iPhone SDK Frameworks
MKAnnotationView      MKPlacemark
MKMapView             MKReverseGeocoder
MKPinAnnotationView   MKUserLocation



       M...
MKReverseGeocoder

            MKReverseGeocoder offers services to
            convert a map coordinate (latitude &
     ...
MKReverseGeocoder

           Each app is limited to amount of
           reverse geocoding
           Send one reverse-ge...
MKAnnotationView      MKPlacemark
MKMapView             MKReverseGeocoder
MKPinAnnotationView   MKUserLocation



       M...
MKMapView Class Properties

     annotations            scrollEnabled

annotationsVisibleRect   selectedAnnotations

  cen...
MKMapView Class
                         MKMapType




     It delivers the type of map to display.



  MKMapTypeStandard...
MKAnnotationView      MKPlacemark
MKMapView             MKReverseGeocoder
MKPinAnnotationView   MKUserLocation



       M...
MKAnnotationView Class Properties


  annotation               image

  calloutOffset   leftCalloutAccessoryView

canShowC...
MKAnnotationView      MKPlacemark
MKMapView             MKReverseGeocoder
MKPinAnnotationView   MKUserLocation



       M...
MKAnnotationView Class Properties
                          Properties
                       animatesDrop

              ...
iPhone VS Android
Google Maps Location
  External  Services
   Library



      Android SDK
Classes



  Address             GpsStatus

  Criteria             Location

 Geocoder          LocationManager

GpsSatell...
Location Class Methods


getAccuracy()

getAltitude()        getLongitude()

getBearing()          getProvider()

 getExtr...
Google Maps Location
  External  Services
   Library



      Android SDK
Google Maps
         External Library


Use Google APIs add-on
Download Maps external library
Must register with Google Ma...
AndroidManifest.xml
 Declare Maps Library
 Request internet permission
 Hide title bar

<uses-library
android:name=”com.go...
res/layout/main.xml

<?xml version=”1.0” encoding=”utf-8”?>
<com.google.android.maps.MapView
    xmlns:android=”http://sch...
+      HelloMaps.java
public class HelloMaps extends MapActivity

@Override protected boolean isRouteDisplayed() {
return ...
PhoneGap       Titanium
                     Mobile

3rd Party SDK: HTML / CSS / JavaScript
function run() {
          var win = function(position) {                // Grab
coordinates object from the Position obje...
PhoneGap       Titanium
                     Mobile

3rd Party SDK: HTML / CSS / JavaScript
JavaScript Library
                             geolocation.js
                           Corresponding to iphone SDK:
   ...
JavaScript Library
                  geolocation.js
              Corresponding to iphone SDK:
           Core Location Fr...
JavaScript Library
                      map_view.js

         Corresponding to iphone SDK: MapKit Framework



var mapvie...
Chief Science Officer




    Stardate: -314000
01.12.2010Earthdate




 Stardate: -312969.2922374429
Haiti 2010 Earthquake

  Stardate: -314000
01.27.2010Earthdate




 Stardate: -312927.6255707762
Medical Tricorder
STANFORD UNIVERSITY
       School of Engineering (EE46)


 Engineering For Good
Save The World
     Have Fun Doing It
STANFORD UNIVERSITY
         School of Engineering



  Engineering For Good
Save The World and Have Fun Doing It
        ...
Save The World

     Malaria
     TB
     HIV
Augmented Reality (AR)
   Camera
(Photo / Video)

                     Bar Code



                                   Opti...
Detect Diseases




      Scanner: Life forms
Identify Patients




  Scanner: Life forms
Medical Tricorder
Medical Tricorder
Medical Tricorder
The Future Begins




Malaria
TB
HIV
The Future Begins
          Jan 12, 2010
     Haiti Earthquake 7.0M
           Feb 26, 2010
     Japan Earthquake 7.3M
   ...
Stanford                      Global Health
        EE46                     Research Foundation




http://zwazosms.agili...
Medical Tricorder
http://www.slideshare.net/bess.ho




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  1. 1. To boldly go where no man has gone before: Exploring Geo in iPhone & Android Apr 1, 2010 Thu 2:50 PM San Jose
  2. 2. To boldly go where no man has gone before: Exploring Geo in iPhone & Android Stardate: -312751.7313546423
  3. 3. Three Years Ago Jan 2007 Stardate: -315974.3150684931
  4. 4. Widescreen iPod with touch controls Stardate: -315974.3150684931
  5. 5. Revolutionary mobile phone Stardate: -315974.3150684931
  6. 6. Breakthrough internet communicator Stardate: -315974.3150684931
  7. 7. iPod Phone Internet Stardate: -315974.3150684931
  8. 8. iPhone Stardate: -315974.3150684931
  9. 9. Chief Science Officer Stardate: -314000
  10. 10. Portable Data Data Sensing Analysis Communications Stardate: -314000
  11. 11. Tricorder Stardate: -314000
  12. 12. iPhone Stardate: -315974.3150684931
  13. 13. Tricorder Stardate: -314000
  14. 14. Tricorder iPhone Stardate: -314000
  15. 15. Locator Scanner Compass Recorder Sensor Search Text Data Voice Stardate: -314000
  16. 16. Phone Camera (Audio) (Photo / Video) GPS (Geo) Magentometer (Compass) Accelerometer (XZY) Touch (Device Orientation) Wireless Bluetooth Data Plan / WiFi (File) (Web / Email) External Accessory Microphone SMS (Data) (Audio) (Data) iPhone’s Anatomy
  17. 17. Phone Camera (Audio) (Photo / Video) GPS (Geo) Magentometer (Compass) Accelerometer (XZY) Touch (Device Orientation) Wireless Bluetooth Data Plan / WiFi (File) (Web / Email) External Accessory Microphone SMS (Data) (Audio) (Data) Portable Sensors
  18. 18. iPhone SDK Xcode Interface Builder Data Analysis
  19. 19. Phone Camera (Audio) (Photo / Video) GPS (Geo) Magentometer (Compass) Accelerometer (XZY) Touch (Device Orientation) Wireless Bluetooth Data Plan / WiFi (File) (Web / Email) External Accessory Microphone SMS (Data) (Audio) (Data) Data Communications
  20. 20. Stardate: -315974.3150684931
  21. 21. Core MapKit Location iPhone SDK Frameworks
  22. 22. iPhone SDK Frameworks Cocoa Touch Layer Media Layer Core Services Layer Core OS Layer iPhone SDK Frameworks
  23. 23. iPhone SDK Frameworks Cocoa Touch Layer Map Kit Media Layer Core Services Layer Core Location Core OS Layer iPhone SDK Frameworks
  24. 24. CLLocation Manager CLLocation CLHeading Core Location Framework: Class
  25. 25. UIViewController Interface CLLocationManager #import <CoreLocation/CoreLocation.h> @interface GetLocationViewController : UIViewController <CLLocationManagerDelegate> { CLLocationManager *locationManager; CLLocation *bestEffortAtLocation; } @property (nonatomic, retain) CLLocationManager *locationManager; @property (nonatomic, retain) CLLocation *bestEffortAtLocation; Core Services Layer: Core Location
  26. 26. ViewController Method CLLocationManager // Create the manager object self.locationManager = [[[CLLocationManager alloc] init] autorelease]; locationManager.delegate = self; locationManager.desiredAccuracy = [[setupInfo objectForKey:kSetupInfoKeyAccuracy] doubleValue]; [locationManager startUpdatingLocation]; Core Services Layer: Core Location
  27. 27. CLLocation Class Constants CLLocationDegrees CLLocationCoordinate2D CCLocationAccuracy Accuracy Constants CLLocationSpeed CLLocationDirection Core Services Layer: Core Location
  28. 28. Accuracy Constants CLLocation Class locationManager.desiredAccuracy is the most important property of Location Manager. It determines the amount of power it consumed. Constant values are to specify the accuracy of a location. Best kCLLocationAccuracyBest 10 Meters kCLLocationAccuracyNearestTenMeters 100 Meters kCLLocationAccuracyHundredMeters 1000 Meters kCLLocationAccuracyKilometer 3000 Meters kCLLocationAccuracyThreeKilometers Core Services Layer: Core Location
  29. 29. CLLocation Class Constants CLLocationDegrees Delivers a latitude or longitude value specified in degrees. Data type is double. CLLocationSpeed Delivers the speed at which the device is moving in meters per second. Data type is double. Core Services Layer: Core Location
  30. 30. CLLocation Class Constants CLLocationDirection Delivers a direction that is measured in degrees and relative to true north. Data type is double. North is 0 degrees East is 90 degrees South is 180 degrees Any “-” value indicates an invalid direction Core Services Layer: Core Location
  31. 31. Clockwise CCLocationDirection
  32. 32. CLLocation Class Properties altitude coordinate course horizontalAccuracy speed timestamp verticalAccuracy Core Services Layer: Core Location
  33. 33. Read-Only altitude coordinate course horizontalAccuracy speed timestamp verticalAccuracy Core Services Layer: Core Location
  34. 34. Measurement Units altitude (meters) coordinate course (degrees) horizontalAccuracy (meters) speed (meters per sec) timestamp (NSDate) verticalAccuracy (meters) Core Services Layer: Core Location
  35. 35. CLLocation Manager CLLocation CLHeading Core Location Framework: Class
  36. 36. CLLocationManager Core Location Create a CLLocationManager object to get heading by invoking [CLLocationManager startUpdatingHeading]. iPhone 3GS contains a magnetometer – a magnetic field detector. It displays the raw x, y, and z magnetometer values. Magnitude of the magnetic field is computed in strength. Core Services Layer: Core Location
  37. 37. CLLocationManager Class Properties headingAvailable headingFilter Instance Methods startUpdatingHeading stopUpdatingHeading Constants Heading Filter Value Core Services Layer: Core Location
  38. 38. CLLocationManager Core Location if (locationManager.headingAvailable == NO) { self.locationManager = nil; // No compass is available } else { // heading service configuration locationManager.headingFilter = kCLHeadingFilterNone; // setup delegate callbacks locationManager.delegate = self; // start the compass [locationManager startUpdatingHeading]; } } Core Services Layer: Core Location
  39. 39. CLLocation Manager CLLocation CLHeading Core Location Framework: Class
  40. 40. CLHeading Core Location - (void)locationManager:(CLLocationManager *)manager didUpdateHeading:(CLHeading *)heading { // Update the labels with the raw x, y, and z values. [xLabel setText:[NSString stringWithFormat:@"%.1f", heading.x]]; [yLabel setText:[NSString stringWithFormat:@"%.1f", heading.y]]; [zLabel setText:[NSString stringWithFormat:@"%.1f", heading.z]]; } MapKit Framework: Class
  41. 41. Core MapKit Location iPhone SDK Frameworks
  42. 42. MKAnnotationView MKPlacemark MKMapView MKReverseGeocoder MKPinAnnotationView MKUserLocation MapKit Framework: Class
  43. 43. MKReverseGeocoder MKReverseGeocoder offers services to convert a map coordinate (latitude & Longitude) to info such as country, city, or street. It works with a network-based map service to look up placemark information for a specified coordinate value. Cocoa Touch Layer: MapKit Framework
  44. 44. MKReverseGeocoder Each app is limited to amount of reverse geocoding Send one reverse-geocoding request for any one user action Reuse the results from initial request Suggest not to send one reverse- geocode request per minute Cocoa Touch Layer: MapKit Framework
  45. 45. MKAnnotationView MKPlacemark MKMapView MKReverseGeocoder MKPinAnnotationView MKUserLocation MapKit Framework: Class
  46. 46. MKMapView Class Properties annotations scrollEnabled annotationsVisibleRect selectedAnnotations centerCoordinate showsUserLocation delegate userLocation mapType userLocationVisible region zoomEnabled Cocoa Touch Layer: MapKit Framework
  47. 47. MKMapView Class MKMapType It delivers the type of map to display. MKMapTypeStandard MKMapTypeSatellite MKMapTypeHybrid Cocoa Touch Layer: MapKit Framework
  48. 48. MKAnnotationView MKPlacemark MKMapView MKReverseGeocoder MKPinAnnotationView MKUserLocation MapKit Framework: Class
  49. 49. MKAnnotationView Class Properties annotation image calloutOffset leftCalloutAccessoryView canShowCallout reuseIdentifier centerOffset rightCalloutAccessoryView enabled selected Cocoa Touch Layer: MapKit Framework
  50. 50. MKAnnotationView MKPlacemark MKMapView MKReverseGeocoder MKPinAnnotationView MKUserLocation MapKit Framework: Class
  51. 51. MKAnnotationView Class Properties Properties animatesDrop pinColor Constants MKPinAnnotationColor MKPinAnnotationColorRed (Destination Points) MKPinAnnotationColorGreen (Starting Points) MKPinAnnotationColorPurple (User-specified Points) Cocoa Touch Layer: MapKit Framework
  52. 52. iPhone VS Android
  53. 53. Google Maps Location External Services Library Android SDK
  54. 54. Classes Address GpsStatus Criteria Location Geocoder LocationManager GpsSatellite LocationProvider package: android.location
  55. 55. Location Class Methods getAccuracy() getAltitude() getLongitude() getBearing() getProvider() getExtras() getSpeed() getLatitude() getTime() package: android.location
  56. 56. Google Maps Location External Services Library Android SDK
  57. 57. Google Maps External Library Use Google APIs add-on Download Maps external library Must register with Google Maps service Obtain a Maps API Key Android SDK
  58. 58. AndroidManifest.xml Declare Maps Library Request internet permission Hide title bar <uses-library android:name=”com.google.android.maps” /> <uses-permission android:name=”android.permission.INTERNET” /> <activity android:name=”.HelloMaps” android:label=”@string/app_name” android:theme=”@android:style/Theme.NoTitleBar”> Android SDK
  59. 59. res/layout/main.xml <?xml version=”1.0” encoding=”utf-8”?> <com.google.android.maps.MapView xmlns:android=”http://schmas.android.com/apk/ res/android” android:id=@+id/mapview” android:layout_width=”fill_parent” android:layout_height=”fill_parent” android:clickable=”true” android:apiKey=”Map API Key” /> Android SDK
  60. 60. + HelloMaps.java public class HelloMaps extends MapActivity @Override protected boolean isRouteDisplayed() { return false; } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); } MapView mapView = (MapView) findViewById(R.id.mapview); mapView.setBuiltInZoomControls(true); Android SDK
  61. 61. PhoneGap Titanium Mobile 3rd Party SDK: HTML / CSS / JavaScript
  62. 62. function run() { var win = function(position) { // Grab coordinates object from the Position object passed into success callback. var coords = position.coords; // Call for static google maps data – make sure you use your own Google Maps API key! var url = "http://maps.google.com/maps/api/staticmap? center=" + coords.latitude + "," + coords.longitude + "&zoom=13&size=320x480&maptype=roadmap&key=MyGoogleMapsA PIKey&sensor=true"; document.getElementById('map').setAttribute('src',url); }; var fail = function(e) { alert('Can't retrieve position.nError: ' + e); }; navigator.geolocation.getCurrentPosition(win, fail); } 3rd Party SDK: PhoneGap
  63. 63. PhoneGap Titanium Mobile 3rd Party SDK: HTML / CSS / JavaScript
  64. 64. JavaScript Library geolocation.js Corresponding to iphone SDK: Core Location Framework: CLLocationManager & CLLocation var longitude = e.coords.longitude; var latitude = e.coords.latitude; var altitude = e.coords.altitude; var heading = e.coords.heading; var accuracy = e.coords.accuracy; var speed = e.coords.speed; var timestamp = e.coords.timestamp; var altitudeAccuracy = e.coords.altitudeAccuracy; 3rd Party SDK: Titanium
  65. 65. JavaScript Library geolocation.js Corresponding to iphone SDK: Core Location Framework: CLHeading var x = e.heading.x; var y = e.heading.y; var z = e.heading.z; var magneticHeading = e.heading.magneticHeading; var accuracy = e.heading.accuracy; var trueHeading = e.heading.trueHeading; var timestamp = e.heading.timestamp; 3rd Party SDK: Titanium
  66. 66. JavaScript Library map_view.js Corresponding to iphone SDK: MapKit Framework var mapview = Titanium.Map.createView({ mapType: Titanium.Map.STANDARD_TYPE, region: {latitude:33.74511, longitude:-84.38993, latitudeDelta:0.01, longitudeDelta:0.01}, animate:true, regionFit:true, userLocation:true, annotations:[apple, atlanta] }); 3rd Party SDK: Titanium
  67. 67. Chief Science Officer Stardate: -314000
  68. 68. 01.12.2010Earthdate Stardate: -312969.2922374429
  69. 69. Haiti 2010 Earthquake Stardate: -314000
  70. 70. 01.27.2010Earthdate Stardate: -312927.6255707762
  71. 71. Medical Tricorder
  72. 72. STANFORD UNIVERSITY School of Engineering (EE46) Engineering For Good Save The World Have Fun Doing It
  73. 73. STANFORD UNIVERSITY School of Engineering Engineering For Good Save The World and Have Fun Doing It (EE 46)
  74. 74. Save The World Malaria TB HIV
  75. 75. Augmented Reality (AR) Camera (Photo / Video) Bar Code Optical Character Recognition QR Code (OCR) Scanner: 2D Objects
  76. 76. Detect Diseases Scanner: Life forms
  77. 77. Identify Patients Scanner: Life forms
  78. 78. Medical Tricorder
  79. 79. Medical Tricorder
  80. 80. Medical Tricorder
  81. 81. The Future Begins Malaria TB HIV
  82. 82. The Future Begins Jan 12, 2010 Haiti Earthquake 7.0M Feb 26, 2010 Japan Earthquake 7.3M Feb 27, 2010 Chile Earthquake 8.8M Mar 4, 2010 Taiwan Earthquake 6.4M Mar 15, 2010 Japan Earthquake 6.6M
  83. 83. Stanford Global Health EE46 Research Foundation http://zwazosms.agilityhoster.com/iphone/ http://www.ghrf.org Medical Tricorder
  84. 84. Medical Tricorder
  85. 85. http://www.slideshare.net/bess.ho Q&A
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