继承高德地图 如何运用 代码获取经纬等设置

package com.bw.Movie.activity;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.widget.ImageView;
import android.widget.Toast;

import com.amap.api.location.AMapLocation;
import com.amap.api.location.AMapLocationClient;
import com.amap.api.location.AMapLocationClientOption;
import com.amap.api.location.AMapLocationListener;
import com.amap.api.maps.AMap;
import com.amap.api.maps.CameraUpdateFactory;
import com.amap.api.maps.LocationSource;
import com.amap.api.maps.MapView;
import com.amap.api.maps.UiSettings;
import com.amap.api.maps.model.LatLng;
import com.bw.Movie.R;
import com.bw.Movie.bean.AdressBean;

import org.greenrobot.eventbus.EventBus;

import java.text.SimpleDateFormat;
import java.util.Date;


public class AdressActivity extends AppCompatActivity implements AMapLocationListener, LocationSource {
    private MapView mMap;
    AMapLocationClient mLocationClient;
    AMapLocationClientOption mLocationOption;
    OnLocationChangedListener mListener;
    boolean isFirstLoc = true;
    AMap aMap;
    private ImageView mBack;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_adress);
//        initView();
        mMap = (MapView) findViewById(R.id.map);
        //在activity执行onCreate时执行mMapView.onCreate(savedInstanceState)，实现地图生命周期管理
        mMap.onCreate(savedInstanceState);
        if (aMap == null) {
            aMap = mMap.getMap();
            //设置显示定位按钮 并且可以点击
            UiSettings settings = aMap.getUiSettings();
            aMap.setLocationSource(this);//设置了定位的监听,这里要实现LocationSource接口
            // 是否显示定位按钮
            settings.setMyLocationButtonEnabled(true);
            aMap.setMyLocationEnabled(true);//显示定位层并且可以触发定位,默认是flase
            mLocationClient = new AMapLocationClient(getApplicationContext());
            //设置定位回调监听，这里要实现AMapLocationListener接口，AMapLocationListener接口只有onLocationChanged方法可以实现，用于接收异步返回的定位结果，参数是AMapLocation类型。
            mLocationClient.setLocationListener(this);
            //初始化定位参数
            mLocationOption = new AMapLocationClientOption();
            mLocationOption.setLocationMode(AMapLocationClientOption.AMapLocationMode.Hight_Accuracy);
            //设置是否返回地址信息（默认返回地址信息）
            mLocationOption.setNeedAddress(true);
            //设置是否只定位一次,默认为false
            mLocationOption.setOnceLocation(false);
            //设置是否强制刷新WIFI，默认为强制刷新
            mLocationOption.setWifiActiveScan(true);
            //设置是否允许模拟位置,默认为false，不允许模拟位置
            mLocationOption.setMockEnable(false);
            //设置定位间隔,单位毫秒,默认为2000ms
            mLocationOption.setInterval(2000);
            //给定位客户端对象设置定位参数
            mLocationClient.setLocationOption(mLocationOption);
            //启动定位
            mLocationClient.startLocation();
        }
    }

    @Override
    public void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        //在activity执行onSaveInstanceState时执行mMapView.onSaveInstanceState (outState)现地图生命周期管理
        mMap.onSaveInstanceState(outState);
    }

    @Override
    public void onLocationChanged(AMapLocation aMapLocation) {
        if (aMapLocation != null) {
            if (aMapLocation.getErrorCode() == 0) {
                //定位成功回调信息，设置相关消息
                aMapLocation.getLocationType();//获取当前定位结果来源，如网络定位结果，详见官方定位类型表
                aMapLocation.getLatitude();//获取纬度
                aMapLocation.getLongitude();//获取经度
                aMapLocation.getAccuracy();//获取精度信息
                SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                Date date = new Date(aMapLocation.getTime());
                df.format(date);//定位时间
//                aMapLocation.getProvince();//省信息
                aMapLocation.getCity();//城市信息
                aMapLocation.getDistrict();//城区信息
                aMapLocation.getStreet();//街道信息
                // 如果不设置标志位，此时再拖动地图时，它会不断将地图移动到当前的位置
                if (isFirstLoc) {
                    //设置缩放级别
                    aMap.moveCamera(CameraUpdateFactory.zoomTo(17));
                    //将地图移动到定位点
                    aMap.moveCamera(CameraUpdateFactory.changeLatLng(new LatLng(aMapLocation.getLatitude(), aMapLocation.getLongitude())));
                    //点击定位按钮 能够将地图的中心移动到定位点
                    mListener.onLocationChanged(aMapLocation);
                    //获取定位信息
                    AdressBean adressBean = new AdressBean();
                    adressBean.longitude= aMapLocation.getLongitude();
                    adressBean.latitude =  aMapLocation.getLatitude();
                    EventBus.getDefault().post(adressBean);
                    StringBuffer buffer = new StringBuffer();
                    buffer.append(aMapLocation.getCity() + "" +
                            aMapLocation.getDistrict() + "" +
                            aMapLocation.getStreet());
                    EventBus.getDefault().post(buffer.toString());
                    Toast.makeText(getApplicationContext(), buffer.toString(), Toast.LENGTH_LONG).show();
                    isFirstLoc = false;
                }
            } else {
                //显示错误信息ErrCode是错误码，errInfo是错误信息，详见错误码表。
                Log.e("AmapError", "location Error, ErrCode:"
                        + aMapLocation.getErrorCode() + ", errInfo:"
                        + aMapLocation.getErrorInfo());
                Toast.makeText(getApplicationContext(), "定位失败", Toast.LENGTH_LONG).show();
            }
        }
    }

    @Override
    public void activate(OnLocationChangedListener onLocationChangedListener) {
        mListener = onLocationChangedListener;
    }

    @Override
    public void deactivate() {
        mListener = null;
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        //在activity执行onDestroy时执行mMapView.onDestroy()，实现地图生命周期管理
        mMap.onDestroy();
    }

    @Override
    protected void onResume() {
        super.onResume();
        //在activity执行onResume时执行mMapView.onResume ()，实现地图生命周期管理
        mMap.onResume();
    }

    @Override
    protected void onPause() {
        super.onPause();
        //在activity执行onPause时执行mMapView.onPause ()，实现地图生命周期管理
        mMap.onPause();
    }

//    private void initView() {
//        mBack = (ImageView) findViewById(R.id.back);
//        mBack.setOnClickListener(this);
//    }

//    @Override
//    public void onClick(View v) {
//        switch (v.getId()) {
//            default:
//                break;
//            case R.id.back:
                Intent intent = new Intent(MapActivity.this, MainActivity.class);
                intent.putExtra("id", 2);
                startActivity(intent);
//                finish();
//                break;
//        }
//    }
}