Android获取定位经纬度，转换成地址

た入场券 2022-04-02 13:22 564阅读 0赞

public class CustomViewActivity extends AppCompatActivity { 
       
        @Override
        protected void onCreate(Bundle savedInstanceState) { 
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_test);
        }
        private static final String TAG = "CustomViewActivity";
        private LocListener locListener = null;
        /** * 点击获取地图 * * @param view */
        public void onClick(View view) { 
            if (null == locListener) { 
                locListener = new LocListener();
            }
            requestLatitudeAndLongtitude(getApplicationContext(), locListener);
        }
    
    
        /** * 获取经纬度 * * @param context * @return */
        public static void requestLatitudeAndLongtitude(Context context, LocationListener locationListener) { 
            try { 
                final LocationManager locationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);
                // 生成一个Criteria对象
                Criteria criteria = new Criteria();
                // 设置查询条件
                criteria.setAccuracy(Criteria.ACCURACY_FINE); // 设置准确而非粗糙的精度
                criteria.setPowerRequirement(Criteria.POWER_LOW); // 设置相对省电而非耗电，一般高耗电量会换来更精确的位置信息
                criteria.setAltitudeRequired(false); // 不需要提供海拔信息
                criteria.setSpeedRequired(false); // 不需要速度信息
                criteria.setCostAllowed(false); // 不能产生费用
                // 第一个参数，传递criteria对象
                // 第二个参数，若为false,在所有Provider中寻找，不管该Provider是否处于可用状态，均使用该Provider。
                // 若为true，则在所有可用的Provider中寻找。比如GPS处于禁用状态，则忽略GPS Provider。
                // 1、可用中最好的
                String locationProvider = locationManager.getBestProvider(criteria, true);
                // 2、所有可用的中的第一个
                if (locationProvider == null) { 
                    List<String> providers = locationManager.getProviders(true);
                    if (providers != null && providers.size() > 0) { 
                        locationProvider = providers.get(0);
                    }
                }
                // 都不支持则直接返回
                if (TextUtils.isEmpty(locationProvider)) { 
                    return;
                }
    
                Location location = locationManager.getLastKnownLocation(locationProvider);
                Log.i(TAG, "requestLatitudeAndLongtitude: location 1 =" + location);
    
                if (location != null) { 
                    //updateCacheLocation(context, location.getLatitude(), location.getLongitude());
    
                    locationListener.onLocationChanged(location);
                } else { 
                    locationManager.requestLocationUpdates(locationProvider, 1000 * 60 * 60, 1000, locationListener);
    
                }
            } catch (Exception e) { 
                // LogUtils.d("---location--- location : "+e.getMessage());
            }
        }
    
        /** * 获取位置后监听 */
        private class LocListener implements LocationListener { 
            @Override
            public void onLocationChanged(Location location) { 
                String locationAddress = getLocationAddress(location);
                //TODO:当前地址为：locationAddress="北京市海淀区华奥饭店公司写字间中关村创业大街"
            }
    
            @Override
            public void onStatusChanged(String provider, int status, Bundle extras) { 
            }
    
            @Override
            public void onProviderEnabled(String provider) { 
            }
    
            @Override
            public void onProviderDisabled(String provider) { 
            }
        }
    
        /** * 将经纬度转换成中文地址 * * @param location * @return */
        private String getLocationAddress(Location location) { 
            String add = "";
            Geocoder geoCoder = new Geocoder(getBaseContext(), Locale.CHINESE);
            try { 
                List<Address> addresses = geoCoder.getFromLocation(
                        location.getLatitude(), location.getLongitude(),
                        1);
                Address address = addresses.get(0);
                Log.i(TAG, "getLocationAddress: " + address.toString());
                // Address[addressLines=[0:"中国",1:"北京市海淀区",2:"华奥饭店公司写字间中关村创业大街"]latitude=39.980973,hasLongitude=true,longitude=116.301712]
                int maxLine = address.getMaxAddressLineIndex();
                if (maxLine >= 2) { 
                    add = address.getAddressLine(1) + address.getAddressLine(2);
                } else { 
                    add = address.getAddressLine(1);
                }
            } catch (IOException e) { 
                add = "";
                e.printStackTrace();
            }
            return add;
        }
    }

记得清单文件 加上权限

<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
        <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
    
        
        <uses-permission android:name="android.permission.INTERNET" />