EX09_06.zip_GeoCoder

package irdc.ex09_06; import java.util.List; import java.util.Locale; import com.google.android.maps.GeoPoint; import com.google.android.maps.MapActivity; import com.google.android.maps.MapController; import com.google.android.maps.MapView; import android.location.Address; import android.location.Geocoder; import android.os.Bundle; import android.util.Log; import android.view.View; import android.widget.Button; import android.widget.EditText; public class EX09_06 extends MapActivity { private MapController mMapController01; private MapView mMapView01; private Button mButton01,mButton02,mButton03; private EditText mEditText01; private int intZoomLevel=15; private String TAG = "HIPPO_GEO_DEBUG"; @Override protected void onCreate(Bundle icicle) { // TODO Auto-generated method stub super.onCreate(icicle); setContentView(R.layout.main); mEditText01 = (EditText)findViewById(R.id.myEditText1); mEditText01.setText ( getResources().getText(R.string.str_default_address).toString() ); /* 建立MapView物件 */ mMapView01 = (MapView)findViewById(R.id.myMapView1); mMapController01 = mMapView01.getController(); // 設定MapView的顯示選項（衛星、街道） mMapView01.setSatellite(true); mMapView01.setStreetView(true); mButton01 = (Button)findViewById(R.id.myButton1); mButton01.setOnClickListener(new Button.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub if(mEditText01.getText().toString()!="") { refreshMapViewByGeoPoint ( getGeoByAddress ( mEditText01.getText().toString() ),mMapView01,intZoomLevel,true ); } } }); /* 放大 */ mButton02 = (Button)findViewById(R.id.myButton2); mButton02.setOnClickListener(new Button.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub intZoomLevel++; if(intZoomLevel>mMapView01.getMaxZoomLevel()) { intZoomLevel = mMapView01.getMaxZoomLevel(); } mMapController01.setZoom(intZoomLevel); } }); /* 縮小 */ mButton03 = (Button)findViewById(R.id.myButton3); mButton03.setOnClickListener(new Button.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub intZoomLevel--; if(intZoomLevel<1) { intZoomLevel = 1; } mMapController01.setZoom(intZoomLevel); } }); /* 初次查詢地點 */ refreshMapViewByGeoPoint ( getGeoByAddress ( getResources().getText(R.string.str_default_address).toString() ),mMapView01,intZoomLevel,true ); } private GeoPoint getGeoByAddress(String strSearchAddress) { GeoPoint gp = null; try { if(strSearchAddress!="") { Geocoder mGeocoder01 = new Geocoder(EX09_06.this, Locale.getDefault()); List<Address> lstAddress = mGeocoder01.getFromLocationName(strSearchAddress, 1); if (!lstAddress.isEmpty()) { /* 延伸學習： pizza usa*/ // Address[addressLines=[0:"U.S PIZZA",1:"15th Main Rd, Phase II, J P Nagar",2:"Bengaluru, Karnataka",3:"India"],feature=U.S PIZZA,admin=Karnataka,sub-admin=Bengaluru,locality=Bengaluru,thoroughfare=15th Main Rd,postalCode=null,countryCode=IN,countryName=India,hasLatitude=true,latitude=18.508933,hasLongitude=true,longitude=73.8042,phone=null,url=null,extras=null] /* for (int i = 0; i < lstAddress.size(); ++i) { Address adsLocation = lstAddress.get(i); Log.i(TAG, "Address found = " + adsLocation.toString()); //lat = adsLocation.getLatitude(); //lon = adsLocation.getLongitude(); } */ Address adsLocation = lstAddress.get(0); double geoLatitude = adsLocation.getLatitude()*1E6; double geoLongitude = adsLocation.getLongitude()*1E6; gp = new GeoPoint((int) geoLatitude, (int) geoLongitude); } else { Log.i(TAG, "Address GeoPoint NOT Found."); } } } catch (Exception e) { e.printStackTrace(); } return gp; } public static void refreshMapViewByGeoPoint(GeoPoint gp, MapView mv, int zoomLevel, boolean bIfSatellite) { try { mv.displayZoomControls(true); /* 取得MapView的MapController */ MapController mc = mv.getController(); /* 移至該地理座標位址 */ mc.animateTo(gp); /* 放大地圖層級 */ mc.setZoom(zoomLevel); /* 設定MapView的顯示選項（衛星、街道）*/ if(bIfSatellite) { mv.setSatellite(true); mv.setStreetView(true); } else { mv.setSatellite(false); } } catch(Exception e) { e.printStackTrace(); } } @Override protected boolean isRouteDisplayed() { // TODO Auto-generated method stub return false; } }