ANDROID_MARS学习笔记_S03_003_LocationManager、LocationListener

一、简介

二、代码
1.xml

(1)AndroidManifest.xml

增加

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

 

2.java
(1)MainActivity.java

package com.location1;

import android.app.Activity;
import android.content.Context;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class MainActivity extends Activity {

    private Button button = null;
    private LocationManager locationManager = null;
    LocationListener locationListener = null;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        
        button = (Button)findViewById(R.id.buttonId);
        locationManager = (LocationManager) MainActivity.this.getSystemService(Context.LOCATION_SERVICE);
        
        locationListener = new LocationListener() {
            @Override
            public void onStatusChanged(String provider, int status, Bundle extras) {
                System.out.println("onStatusChanged--->");
            }
            
            @Override
            public void onProviderEnabled(String provider) {
                System.out.println("onProviderEnabled--->");
            }
            
            @Override
            public void onProviderDisabled(String provider) {
                System.out.println("onProviderDisabled--->");
            }
            
            @Override
            public void onLocationChanged(Location location) {
                System.out.println("onLocationChanged--->");
                System.out.println(location.getLatitude());
                System.out.println(location.getLongitude());
            }
        };
        
        button.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                //绑定监听器，第二个参数表示更新的最小时间（毫秒）；第三个参数表示更新的最小距离（米）
                locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, locationListener);
            }
        });
    }
}