Android Programming วรเศรษฐ ส วรรณ ก.

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Darleen Porter
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1 Android Programming วรเศรษฐ ส วรรณ ก 1

2 Google Map API v2 2

3 Preparation SDK Manager Google Play Services AVD Google API >= [ 3

4 API Key 4

5 API Key 5

6 API Key 6

7 API Key 7

8 API Key 8

9 API Key : ADT Preferences 9

10 API Key 10

11 API Key 11

12 Manifest <manifest> <uses-feature android:glesversion="0x " android:required="true" /> <uses-sdk android:minsdkversion="14" android:targetsdkversion="14" /> <uses-permission android:name="android.permission.internet" /> <uses-permission android:name="android.permission.access_network_state" /> <uses-permission android:name="android.permission.write_external_storage" /> <uses-permission android:name="com.google.android.providers.gsf.permission.read_gservices" /> <application>... <meta-data android:name="com.google.android.gms.version" /> <meta-data android:name="com.google.android.maps.v2.api_key" android:value=" apikey " /> </application> </manifest> 12

13 Layout <?xml version="1.0" encoding="utf-8"?> <fragment xmlns:android=" android:name="com.google.android.gms.maps.mapfragment" android:layout_width="match_parent" android:layout_height="match_parent" /> 13

14 Activity package com.example.testmap; import android.app.activity; import android.os.bundle; public class MainActivity extends Activity protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_main); } } 14

15 Normal 15

16 Map Type GoogleMap map = ((MapFragment) getfragmentmanager().findfragmentbyid(r.id.map)).getmap(); map.setmaptype(googlemap.map_type_hybrid); 16

17 Hybrid 17

18 Initial Location latitude north-south 90 to -90 longitude east-west 180 to -180 GoogleMap map = ((MapFragment) getfragmentmanager().findfragmentbyid(r.id.map)).getmap();; map.movecamera(cameraupdatefactory.newlatlng(new LatLng( , ))); map.movecamera(cameraupdatefactory.zoomto(16.4f)); 18

19 Initial Location 19

20 Location <uses-permission android:name="android.permission.access_fine_location" /> GPS, cell tower, WIFI implies <uses-permission android:name="android.permission.access_coarse_location" /> cell tower, WIFI 20

21 Current Location import com.google.android.gms.common.googleplayservicesclient.connectioncallbacks; import com.google.android.gms.common.googleplayservicesclient.onconnectionfailedlistener; public class MainActivity extends Activity implements ConnectionCallbacks, OnConnectionFailedListener { LocationClient lc; GoogleMap protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_main); lc = new LocationClient(this, this, this); map = ((MapFragment) getfragmentmanager().findfragmentbyid(r.id.map)).getmap(); } 21

22 Current protected void onstart() { super.onstart(); lc.connect(); protected void onstop() { lc.disconnect(); super.onstop(); } 22

23 Current public void onconnectionfailed(connectionresult arg0) { public void onconnected(bundle arg0) { Log.i("map", "connect"); Location loc = lc.getlastlocation(); LatLng latlng = new LatLng(loc.getLatitude(), loc.getlongitude()); map.animatecamera(cameraupdatefactory.newlatlng(latlng)); } public void ondisconnected() { Log.i("map", "disconnect"); } 23

24 Current Location 24

25 Current Location map.setmylocationenabled(true); 25

26 Location protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_main); locationclient = new LocationClient(this, this, this); map = ((MapFragment) getfragmentmanager().findfragmentbyid(r.id.map)).getmap(); locationrequest = LocationRequest.create(); locationrequest.setpriority(locationrequest.priority_high_accuracy); locationrequest.setinterval(5); locationrequest.setfastestinterval(1); } 26

27 Location public void onconnected(bundle arg0) { locationclient.requestlocationupdates(locationrequest, new LocationListener() public void onlocationchanged(location loc) { LatLng latlng = new LatLng(loc.getLatitude(), loc.getlongitude()); map.animatecamera(cameraupdatefactory.newlatlng(latlng)); } }); } 27

28 Click Listener map.setonmapclicklistener(new OnMapClickListener() public void onmapclick(latlng latlng) { Log.i("map", latlng.latitude + " " + latlng.longitude); } }); long click listener 28

29 Click Listener map.setonmapclicklistener(new OnMapClickListener() public void onmapclick(latlng latlng) { Log.i("map", latlng.latitude + " " + latlng.longitude); } }); long click listener 29

30 Marker public class MainActivity extends Activity { GoogleMap protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_main); } map = ((MapFragment) getfragmentmanager().findfragmentbyid(r.id.map)).getmap(); map.addmarker(new MarkerOptions().position(new LatLng(0, 0)).title( "Center of the World")); } 30

31 Marker 31

32 Marker public class MainActivity extends Activity { GoogleMap protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_main); } map = ((MapFragment) getfragmentmanager().findfragmentbyid(r.id.map)).getmap(); map.addmarker(new MarkerOptions().position(new LatLng(0, 0)).title( "Center of the World")); } 32

33 Marker 33

34 Marker 34

35 Marker Marker marker = map.addmarker(new MarkerOptions().position(new LatLng(0, 0)).title("Center of the World")); // try snippet marker.showinfowindow(); // map.setonmarkerclicklistener 35

36 Shape PolylineOptions rectoptions = new PolylineOptions().add(new LatLng(0, 0)).add(new LatLng(30, 10)).add(new LatLng(35, 20)).add(new LatLng(60, 30)).add(new LatLng(0, 0)).width(5).color(Color.BLUE).geodesic(true); map.addpolyline(rectoptions); A geodesic is the shortest path between two points on the Earth's surface. The geodesic curve is constructed assuming the Earth is a sphere

37 Shape 37

38 CRUD Marker Map Long Click add marker (color, alpha), ask for a title, log position Click marker show info window Click info window pop up menu => 38

Programming with Android: The Google Maps Library. Slides taken from

Programming with Android: The Google Slides taken from Marco Di Felice Android: Deploying Map-based Apps Two versions of Android Google API API v1 API v2 - Deprecated, not supported anymore since 18th