ANDROID APP

272 บทที่ 10 การระบุตำาแหน่ง
List mapOverlays;
MyMarkerLayer markerlayer;
private MapController mc;
MapView.LayoutParams mScreenLayoutParams;
public static Context mContext;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mContext = this;
setContentView(R.layout.main);
MapView mapView = (MapView) findViewById(R.id.map1);
mc = mapView.getController();
tv = (TextView) findViewById(R.id.tv1);
mapOverlays = mapView.getOverlays();
Drawable drawable =
this.getResources().getDrawable(R.drawable.icon);
markerlayer = new MyMarkerLayer(drawable);
List addresses;
String myAddress="1600 Amphitheatre Parkway, Mountain View, CA";
int geolat = 0;
int geolon = 0;
Geocoder gc = new Geocoder(this);
try {
addresses = gc.getFromLocationName(myAddress, 1);
if(addresses != null) {
Address x = addresses.get(0);
StringBuilder mSB = new StringBuilder("Address:\n");
geolat =(int)(x.getLatitude()*1E6);
geolon = (int)(x.getLongitude()*1E6);
mSB.append("latitude: ").append(geolat).append("\n");
mSB.append("longitude: ").append(geolon);
tv.setText(mSB.toString());
}
} catch(IOException e) {
tv.setText(e.getMessage());
}
int x = 50;
int y = 50;
mScreenLayoutParams =
new MapView.LayoutParams(MapView.LayoutParams.WRAP_CONTENT,
MapView.LayoutParams.WRAP_CONTENT,
x,y,MapView.LayoutParams.LEFT);
final TextView tv = new TextView(this);
tv.setText("Adding View to Google Map");
tv.setTextColor(Color.BLUE);
tv.setTextSize(20);