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目前的功能可以跟隨位置作出定位但不知道要如何在螢幕上顯示出經緯度
請各位大大幫忙
public class Navigation extends MapActivity implements LocationListener { private MapView MV; private TextView tvLat; private TextView tvLong; private LocationManager locationManager; private MapController mapController; private MyLocationOverlay LocOver; private boolean enableTool;
@Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.navigation);
findControl(); }
//偵測GPS是否開啓 private void init() { if (!locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {
new AlertDialog.Builder(Navigation.this).setTitle("地圖工具").setMessage("您尚未開啟定位服務，要前往設定頁面啟動定位服務嗎？") .setCancelable(false).setPositiveButton("OK", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { startActivity(new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS)); } }).setNegativeButton("Cancel", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { Toast.makeText(Navigation.this, "未開啟定位服務，無法使用本工具!!", Toast.LENGTH_SHORT).show(); } }).show(); } else { enableMyLocation(); enableTool = true; } }
private void findControl() { MV = (MapView) findViewById(R.id.mv); MV.setBuiltInZoomControls(true); TextView tvlong = (TextView)findViewById(R.id.tvLong); TextView tvlat = (TextView)findViewById(R.id.tvLat); mapController = MV.getController(); //顯示畫面大小 mapController.setZoom(16); locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE); //WI-FI定位 locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 1000, 0, Navigation.this); //GPS定位 locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 1000, 0, Navigation.this); /* //取得緯度 LocOver.getMyLocation().getLatitudeE6(); //取的經度 LocOver.getMyLocation().getLongitudeE6(); */
}
private void enableMyLocation() { // 定位點 List<Overlay> overlays = MV.getOverlays(); LocOver = new MyLocationOverlay(this, MV); LocOver.enableCompass(); LocOver.enableMyLocation();
/* //取得緯度 LocOver.getMyLocation().getLatitudeE6(); //取的經度 LocOver.getMyLocation().getLongitudeE6(); */
LocOver.runOnFirstFix(new Runnable() { public void run() { mapController.animateTo(LocOver.getMyLocation()); } }); overlays.add(LocOver); } @Override protected void onResume() { super.onResume(); if (enableTool) { locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 1000, 0, Navigation.this); locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 1000, 0, Navigation.this);
LocOver.enableMyLocation(); LocOver.enableCompass();
} else { init(); } }
@Override protected void onPause() { super.onPause(); if (enableTool) { locationManager.removeUpdates(Navigation.this); LocOver.disableCompass(); LocOver.disableMyLocation(); } }
@Override //當地點改變時 public void onLocationChanged(Location location) { // TODO Auto-generated method stub }
@Override //當GPS或網路定位功能關閉時 public void onProviderDisabled(String provider) { // TODO Auto-generated method stub }
@Override //當GPS或網路定位功能開啟 public void onProviderEnabled(String provider) { // TODO Auto-generated method stub }
@Override //定位狀態改變 public void onStatusChanged(String provider, int status, Bundle extras) { // TODO Auto-generated method stub }
@Override protected boolean isRouteDisplayed() { // TODO Auto-generated method stub return false; }
}
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