腾讯公益赛个人冲刺博客7（2024.5.1）

今天处理sos的定位功能，但自动定位功能不稳定，需要手动定位

import android.Manifest;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import com.baidu.location.BDAbstractLocationListener;
import com.baidu.location.BDLocation;
import com.baidu.location.LocationClient;
import com.baidu.location.LocationClientOption;

public class MainActivity extends AppCompatActivity {

    private LocationClient mLocationClient;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // 初始化定位客户端
        mLocationClient = new LocationClient(getApplicationContext());

        // 配置定位选项
        LocationClientOption option = new LocationClientOption();
        option.setIsNeedAddress(true); // 获取详细地址信息
        mLocationClient.setLocOption(option);

        // 设置定位监听器
        mLocationClient.registerLocationListener(new MyLocationListener());

        // 请求定位权限
        requestLocationPermission();
    }

    // 请求定位权限
    private void requestLocationPermission() {
        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED
                && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.ACCESS_FINE_LOCATION, Manifest.permission.ACCESS_COARSE_LOCATION}, 1);
        } else {
            // 开始定位
            mLocationClient.start();
        }
    }

    // 定位权限回调处理
    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        if (requestCode == 1) {
            if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                // 用户同意授权，开始定位
                mLocationClient.start();
            } else {
                Toast.makeText(this, "需要定位权限才能使用定位功能", Toast.LENGTH_SHORT).show();
            }
        }
    }

    // 定位结果监听器
    private class MyLocationListener extends BDAbstractLocationListener {
        @Override
        public void onReceiveLocation(BDLocation location) {
            // 获取定位结果
            StringBuilder sb = new StringBuilder();
            sb.append("纬度：").append(location.getLatitude()).append("\n");
            sb.append("经度：").append(location.getLongitude()).append("\n");
            sb.append("地址：").append(location.getAddrStr()).append("\n");
            // 在这里处理定位结果，比如更新UI显示
            Toast.makeText(MainActivity.this, sb.toString(), Toast.LENGTH_SHORT).show();
        }
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        // 停止定位
        mLocationClient.stop();
    }
}