從json feed獲取所有緯度和經度並在mapview中添加所有內容。我開了不同的標記,但所有的點都顯示在海中。這是我的代碼。誰能幫助我,請地圖緯度和經度在android中顯示在海中?
MapItemizedOverlay itemizedoverlay;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.map);
url = "http://dentonsweb.com/app/html/android/get.php?what=Hotels&lat=51.507222&lon=-0.1275&pg=0";
System.out.println("url is "+url);
Jsonfunctions jParser = new Jsonfunctions();
JSONObject json = jParser.getJSONFromUrl(url);
try {
// Getting Array of Contacts
results = json.getJSONArray(TAG_RESULTS);
// looping through All Contacts
for (int i = 0; i < results.length(); i++) {
JSONObject c = results.getJSONObject(i);
id = c.getString(TAG_ID);
name = c.getString(TAG_NAME);
System.out.println("name is " + name);
adress = c.getString(TAG_ADRRESS);
latitude = c.getString(TAG_LATITUDE);
latitudeAry.add(c.getString(TAG_LATITUDE).toString());
longitude = c.getString(TAG_lONGITUDE);
latitudeAry.add(c.getString(TAG_lONGITUDE).toString());
distance = c.getString(TAG_DISTANCE);
image = c.getString(TAG_IMAGE);
phone = c.getString(TAG_TELEPHONE);
telphonenumberAry
.add(c.getString(TAG_TELEPHONE).toString());
NameAry.add(c.getString(TAG_NAME).toString());
resourceAry.add(new ResourceClass(point,id, name, adress,image,
distance, latitude, longitude, phone));
System.out.println("arraooosdospodpsodps " + resourceAry);
}
} catch (JSONException e) {
e.printStackTrace();
}
mapView = (MapView) findViewById(R.id.mapView);
mapView.setBuiltInZoomControls(true);
mapView.setSatellite(false);
mc = mapView.getController();
listOfOverlays = mapView.getOverlays();
drawable = this.getResources().getDrawable(
R.drawable.pin);
itemizedoverlay = new MapItemizedOverlay(drawable,mapView);
for (int i = 0; i < resourceAry.size(); i++) {
// latitude = resourceAry.get(i).getLatitude();
System.out.println("latitude is " + latitude);
String latitude = resourceAry.get(i).getLatitude();
String longitude = resourceAry.get(i).getLongitude();
// longitude = resourceAry.get(i).getLongitude();
String name = resourceAry.get(i).getName();
System.out.println("Name is" + name);
String adress = resourceAry.get(i).getAdress();
if (!latitude.equals("") && !longitude.equals("")) {
Double latitude_next = Double.parseDouble(latitude);
Double longitude_next = Double.parseDouble(longitude);
point = new GeoPoint((int) (latitude_next * 1E6),
(int) (longitude_next * 1E6));
System.out.println("point is " + point);
overlayitem = new OverlayItem(point,resourceAry.get(i).getName(),resourceAry.get(i).getAdress());
// System.out.println(" spanned text: " +
// Html.fromHtml(Texte));
itemizedoverlay.addOverlay(overlayitem);
listOfOverlays.add(itemizedoverlay);
}
}
mc.animateTo(point);
mc.setZoom(13);
}
@Override
protected boolean isRouteDisplayed() {
// TODO Auto-generated method stub
return false;
}
}
@ sandip沒有得到 – harish 2012-03-30 08:21:15
@harish - GeoPoint構造函數只接受int對嗎?現在你知道整數限制嗎?如果您採用6位以上的小數點,它將與int限制交叉,因此地圖上的地理位置顯示在錯誤的位置。你有沒有試過我建議的? &isi t working? – 2012-03-30 09:01:18