Android獲取當前的城市名的方法
阿新 • • 發佈：2018-12-20
/** Called when the activity is first created. */ /** 上下文 */ private BMapApiApplication mApplication; /** 定義搜尋服務類 */ private MKSearch mMKSearch; /** 記錄當前經緯度的MAP*/ private HashMap<String, Double> mCurLocation = new HashMap<String, Double>(); //城市名 private String cityName; @Overridepublic void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mApplication = (BMapApiApplication) this.getApplication(); if (mApplication.mBMapMan == null) { mApplication.mBMapMan = new BMapManager(getApplication()); mApplication.mBMapMan.init(mApplication.mStrKey,new BMapApiApplication.MyGeneralListener()); } /** 初始化MKSearch */ mMKSearch = new MKSearch(); mMKSearch.init(mApplication.mBMapMan, new MySearchListener()); } @Override protected void onStart() { // TODO Auto-generated method stub super.onStart();this.registerLocationListener(); } private void registerLocationListener() { mApplication.mBMapMan.getLocationManager().requestLocationUpdates( mLocationListener); if (mApplication.mBMapMan != null) { /** 開啟百度地圖API */ mApplication.mBMapMan.start(); } } @Override protected void onStop() { // TODO Auto-generated method stub super.onStop(); this.unRegisterLocationListener(); } private void unRegisterLocationListener() { mApplication.mBMapMan.getLocationManager().removeUpdates( mLocationListener); if (mApplication.mBMapMan != null) { /** 終止百度地圖API */ mApplication.mBMapMan.stop(); } } @Override protected void onDestroy() { if (mApplication.mBMapMan != null) { /** 程式退出前需呼叫此方法 */ mApplication.mBMapMan.destroy(); mApplication.mBMapMan = null; } super.onDestroy(); } /** 註冊定位事件 */ private LocationListener mLocationListener = new LocationListener() { @Override public void onLocationChanged(Location location) { // TODO Auto-generated method stub if (location != null) { try { int longitude = (int) (1000000 * location.getLongitude()); int latitude = (int) (1000000 * location.getLatitude()); /** 儲存當前經緯度 */ mCurLocation.put("longitude", location.getLongitude()); mCurLocation.put("latitude", location.getLatitude()); GeoPoint point = new GeoPoint(latitude, longitude); /** 查詢該經緯度值所對應的地址位置資訊 */ Weather_WelcomeActivity.this.mMKSearch .reverseGeocode(new GeoPoint(latitude, longitude)); } catch (Exception e) { e.printStackTrace(); } } } }; /** 內部類實現MKSearchListener介面,用於實現非同步搜尋服務 */ private class MySearchListener implements MKSearchListener { @Override public void onGetAddrResult(MKAddrInfo result, int iError) { if( iError != 0 || result == null){ Toast.makeText(Weather_WelcomeActivity.this, "獲取地理資訊失敗", Toast.LENGTH_LONG).show(); }else { Log.info("json", "result= " + result); cityName =result.addressComponents.city; Bundle bundle = new Bundle(); bundle.putString("cityName", cityName.substring(0, cityName.lastIndexOf("市"))); Intent intent = new Intent(Weather_WelcomeActivity.this,Weather_MainActivity.class); intent.putExtras(bundle); startActivity(intent); Weather_WelcomeActivity.this.finish(); } } @Override public void onGetDrivingRouteResult(MKDrivingRouteResult result, int iError) { } @Override public void onGetPoiResult(MKPoiResult result, int type, int iError) { } @Override public void onGetTransitRouteResult(MKTransitRouteResult result, int iError) { } @Override public void onGetWalkingRouteResult(MKWalkingRouteResult result, int iError) { } }