高德地圖API文件解讀：Java程式碼實現定位功能

import com.amap.api.location.AMapLocation;
import com.amap.api.location.AMapLocationClient;
import com.amap.api.location.AMapLocationClientOption;
import com.amap.api.location.AMapLocationListener;

public class LocationService {
    // 定位回调监听器
    private AMapLocationListener mLocationListener;
    // 定位客户端
    private AMapLocationClient mLocationClient;
    
    // 初始化定位
    public void initLocation(Context context) {
        // 创建定位客户端
        mLocationClient = new AMapLocationClient(context);
        // 设置定位参数
        AMapLocationClientOption clientOption = new AMapLocationClientOption();
        clientOption.setLocationMode(AMapLocationClientOption.AMapLocationMode.Hight_Accuracy);
        clientOption.setNeedAddress(true);
        clientOption.setWifiScan(true);
        clientOption.setMockEnable(false);
        clientOption.setInterval(2000);
        mLocationClient.setLocationOption(clientOption);
        // 设置定位回调监听器
        mLocationListener = new AMapLocationListener() {
            @Override
            public void onLocationChanged(AMapLocation aMapLocation) {
                if (aMapLocation != null) {
                    // 处理定位结果
                    double latitude = aMapLocation.getLatitude();
                    double longitude = aMapLocation.getLongitude();
                    String address = aMapLocation.getAddress();
                    // TODO: 定位成功后的操作
                } else {
                    // 定位失败处理
                }
            }
        };
        // 设置定位回调监听
        mLocationClient.setLocationListener(mLocationListener);
    }
  
    // 开始定位
    public void startLocation() {
        if (mLocationClient != null) {
            // 启动定位
            mLocationClient.startLocation();
        }
    }
  
    // 停止定位
    public void stopLocation() {
        if (mLocationClient != null) {
            // 停止定位
            mLocationClient.stopLocation();
        }
    }
}