social network twitter hashtag: #m2eu #android personal twitter: @rallat israel ferrer - @rallat –...
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Social networkTwitter Hashtag: #m2eu #android
Personal twitter: @rallat
Israel Ferrer - @rallat – israel@bubiloop.com
Who am I?
Israel Ferrer Camachoco-founder and.roid.es & bubiloop.comBusiness Developer at bubiloop.comAndroid Developer
Trovit homes: http://bblp.to/10rNand.roid.es news: http://bblp.to/11E6Rac1: http://bblp.to/10uhBubiloop recommender: http://bblp.to/11Hg Working on salir.com app
Israel Ferrer - @rallat – israel@bubiloop.com
And.roid.es 10/08
Israel Ferrer - @rallat - israel@bubiloop.com
And.roid.es
meetup
06/09
Israel Ferrer - @rallat - israel@bubiloop.com
Campus Party
08/09
Israel Ferrer - @rallat - israel@bubiloop.com
Android workshops 09/10
Israel Ferrer - @rallat – israel@bubiloop.com
Bubiloop 10/09
Israel Ferrer - @rallat – israel@bubiloop.com
Androides Barcelona 2010
Co-founder of Barcelona Android dev group
Israel Ferrer - @rallat – israel@bubiloop.com
Mobile Cocktail 02/10
Israel Ferrer - @rallat – israel@bubiloop.com
Google I/O 2010
Israel Ferrer - @rallat – israel@bubiloop.com
Location and Maps in Android
Israel Ferrer CamachoJune 17, 2010
Israel Ferrer - @rallat – israel@bubiloop.com
developer.android.com
Israel Ferrer - @rallat – israel@bubiloop.com
Agenda
Israel Ferrer - @rallat – israel@bubiloop.com
Google Maps in Android
Location in Android
Show me the code
Questions
Google Maps in AndroidGoogle Maps is an external library to the Android
SDK.
Israel Ferrer - @rallat – israel@bubiloop.com
Features Google Maps Google Maps Android
World Maps
Mode Sat/Street View/Traffic
Places content
Compass
Google Maps in AndroidGeoPoint: longitude/latitude stored as
integer in microdegrees (degrees * 1E6)
Overlay: Base class representing an overlay which may be displayed on top of a map
OverlayItem: The basic component of any ItemizedOverlay.
ItemizedOverlay: A base class for an Overlay which consists of a list of OverlayItems
Israel Ferrer - @rallat – israel@bubiloop.com
Google Maps in AndroidMapActivity: Base class with code to manage
the boring necessities of any activity that displays a MapView
MapView: A View which displays a map (with data obtained from the Google Maps service).
MapController: A utility class to manage panning and zooming of a map.
MyLocationOverlay: An Overlay for drawing the user's current location (and accuracy) on the map, and/or a compass-rose inset.
Israel Ferrer - @rallat – israel@bubiloop.com
Google Maps in Android¿What?
We can show custom markers with info at someplace in a map
¿How?PrerequisitesShow the map using MapViewCreate our custom marker classMapActivity:
Add marker to our located overlaysAdd this located overlays to our MapView
Israel Ferrer - @rallat – israel@bubiloop.com
Prerequisites
Create an Android project with Google APIs support
Israel Ferrer - @rallat – israel@bubiloop.com
PrerequisitesManifest Permissions:
Add permission to use Google Maps external library
<uses-library android:name="com.google.android.maps" />
Add permission to use Internet
<uses-permission android:name="android.permission.INTERNET" />
Google Maps API key for mobile:http://tinyurl.com/androidkeyapi
Israel Ferrer - @rallat – israel@bubiloop.com
MapViewXML Definition MapView
Israel Ferrer - @rallat – israel@bubiloop.com
MapActivityCreate MapActivity to show the MapView
Israel Ferrer - @rallat – israel@bubiloop.com
MyLocationOverlayThis object create an overlay that shows your
location.
Custom MarkerObject that extends ItemizedOverlay
Object is initialize with a Drawable our custom marker
Custom MarkerPopulate our custom marker ItemizedOverlay
with OverlayItems
Finally, add our custom marker Overlay to MapView Overlays
Hello Map!
Israel Ferrer - @rallat – israel@bubiloop.com
To Sum Up
Israel Ferrer - @rallat – israel@bubiloop.com
Location in Android¿What?
Location-based services are technique to figure out where you are
¿How?PrerequisitesLocation ManagerLocation Listener
Israel Ferrer - @rallat – israel@bubiloop.com
Prerequisites
Manifest PermissionsGPS Location
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
Network Location
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
Israel Ferrer - @rallat – israel@bubiloop.com
Location
Manager
Location-Based Services (LBS) are handle using the LocationManager
Two Location providers in Android: GPS, Network
Define Criteria object to obtain the best provider
Israel Ferrer - @rallat – israel@bubiloop.com
Location
Manager
One we get the best provider is time to get locationGet last know location
Get the location changesRequest Location Manager this updates
Israel Ferrer - @rallat – israel@bubiloop.com
Location Listener Used for receiving notifications from the LocationManager
when the location has changed
Israel Ferrer - @rallat – israel@bubiloop.com
To Sum Up
Israel Ferrer - @rallat – israel@bubiloop.com
Maps and LocationEasy to use in your apps
Once we’ve got the location, we can show data on the map just with the method update(location) to refresh de UI
Israel Ferrer - @rallat – israel@bubiloop.com
Q&AAll the source from this session is in
http://bblp.to/mobile20
Questions?
Israel Ferrer - @rallat – israel@bubiloop.com
ThanksTwitter: @rallat
Mail: israel@bubiloop.com
Projects: bubiloop.com & and.roid.es
Israel Ferrer - @rallat - israel@bubiloop.com
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