我是Java& Android和我正在为谷歌地图做一个Android应用程序。
我想获得纬度和数值的值从onPostExecute
到外部Asynctask
的活动的经度。我已经尝试过做方法而且结果没有任何结果。
代码:
@Override
public void onPostExecute(String result) {
super.onPostExecute(result);
List m = new ArrayList<String>();
Log.w("res", result.toString());
StringBuilder sb = new StringBuilder(result);
StringBuilder sb2 = sb.deleteCharAt(sb.indexOf("}"));
System.out.println("after delete }" + sb2.toString());
StringBuilder sb3 = sb2.deleteCharAt(sb2.indexOf("{"));
System.out.println("after delete {" + sb3.toString());
String[] lol = sb3.toString().split(",");
for (int i = 0; i < lol.length; i++) {
System.out.println("lol ??" + lol[i]);
System.out.println("size of lol" + lol.length);
String lol2[] = lol[i].split(":");
System.out.println("size of lol2" + lol2.length);
m.add(lol2[1]);
}
System.out.println("lol2 ??" + m.get(0) + "lon" + m.get(1));
StringBuilder lat_sb = new StringBuilder(m.get(0).toString());
StringBuilder latsbb = lat_sb
.deleteCharAt(lat_sb.indexOf("\""));
StringBuilder lats = latsbb.deleteCharAt(latsbb.indexOf("\""));
System.out.println("lats " + lats);
StringBuilder lon_sb = new StringBuilder(m.get(1).toString());
StringBuilder lonsbb = lon_sb
.deleteCharAt(lon_sb.indexOf("\""));
StringBuilder lons = lonsbb.deleteCharAt(lonsbb.indexOf("\""));
System.out.println("lons " + lons);
double lat = Double.parseDouble(lats.toString().trim());
System.out.println("lat " + lat);
double lon = Double.parseDouble(lons.toString().trim());
System.out.println("lon " + lon);
}
地图活动:
public class Maps extends FragmentActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.mapview);
GoogleMap map =
((SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.mapview))
.getMap();
map.setMapType(GoogleMap.MAP_TYPE_NORMAL);
map.setMyLocationEnabled(true);
map.addMarker(new MarkerOptions().position(new LatLng(???,???)).title("Marker"));
GooglePlayServicesUtil.isGooglePlayServicesAvailable(getApplicationContext());
}
}
请帮我处理代码。
答案 0 :(得分:1)
您可以使用嵌套类(将异步任务放入活动中并使用全局变量),也可以使用静态变量。