Amap定位（高德）

1 依賴

    //定位
    implementation 'com.amap.api:location:latest.integration'


    //3D地圖
    implementation 'com.amap.api:3dmap:latest.integration'

    //地圖搜索
    implementation 'com.amap.api:search:latest.integration'

2 定位activity信息

public class SelectAreaActivity extends BaseActivity implements EasyPermissions.PermissionCallbacks {

    
    private AMapLocation mAMapLocation;

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_selectarea);
        ButterKnife.bind(this);
       
       
        requestLocationPermissions();
      
    }

    @Override
    public void onPermissionsGranted(int requestCode, List<String> perms) {
        getLocation();
    }

    private void requestLocationPermissions() {
        String[] perms = {Manifest.permission.ACCESS_COARSE_LOCATION,
                Manifest.permission.ACCESS_FINE_LOCATION};
        if (EasyPermissions.hasPermissions(this, perms)) {
            getLocation();
        } else {
            EasyPermissions.requestPermissions(this, "請求獲取您的位置", Constans.GET_LOCATION_PERMISSION, perms);
        }
    }


    //聲明定位回調監聽器
    //聲明AMapLocationClient類對象
    public AMapLocationClient mLocationClient = null;
    //聲明AMapLocationClientOption對象
    public AMapLocationClientOption mLocationOption = null;
    public AMapLocationListener mLocationListener = new AMapLocationListener() {
        @Override
        public void onLocationChanged(AMapLocation aMapLocation) {
            if (aMapLocation != null) {
                if (aMapLocation.getErrorCode() == 0) {
                    //獲取緯度
                    App.mMyLatitude = aMapLocation.getLatitude();
                    //獲取經度
                    App.mMyLongitude = aMapLocation.getLongitude();
                    App.mAddress = aMapLocation.getPoiName();
                    mAMapLocation = aMapLocation;
                    tvNowlocation.setText(aMapLocation.getAddress());
                    nowadCode = mAMapLocation.getAdCode() + mAMapLocation.getCityCode();
                    StringBuilder stringBuilder = new StringBuilder(nowadCode);
                    for (int i = 0; i < 12 - nowadCode.length(); i++) {
                        stringBuilder.append("0");
                    }
                    nowadCode = stringBuilder.toString();

                } else {
                    Log.e("AmapError", "location Error, ErrCode:"
                            + aMapLocation.getErrorCode() + ", errInfo:"
                            + aMapLocation.getErrorInfo());
                }
            }
        }
    };

    public void getLocation() {
        //初始化定位
        mLocationClient = new AMapLocationClient(getApplicationContext());
        //設置定位回調監聽
        mLocationClient.setLocationListener(mLocationListener);
        //初始化AMapLocationClientOption對象
        mLocationOption = new AMapLocationClientOption();
        //設置定位模式爲AMapLocationMode.Hight_Accuracy，高精度模式。
        // mLocationOption.setLocationMode(AMapLocationClientOption.AMapLocationMode
        // .Hight_Accuracy);
        //設置定位模式爲AMapLocationMode.Battery_Saving，低功耗模式。
        mLocationOption.setLocationMode(AMapLocationClientOption.AMapLocationMode.Battery_Saving);
        //獲取一次定位結果：
        //該方法默認爲false。
        mLocationOption.setOnceLocation(true);
        //關閉緩存機制
        mLocationOption.setLocationCacheEnable(false);
        //給定位客戶端對象設置定位參數
        mLocationClient.setLocationOption(mLocationOption);
        //啓動定位
        mLocationClient.startLocation();
    }

    @Override
    public void onPermissionsDenied(int requestCode, List<String> perms) {

    }

   
}