Android入门之简单GPS定位实例

Android入门之简单GPS定位实例

Android入门之简单GPS定位实例

添加权限：android.permission.ACCESS_FINE_LOCATION

1. import android.app.Activity;  
2. import android.content.Context;  
3. import android.location.*;  
4. import android.os.*;  
5. import android.widget.*;  
6.   
7. public class GPSTest extends Activity {  
8.       
9.     private LinearLayout mainView=null;  
10.     private TextView infoView=null;  
11.     private TextView locationView=null;  
12.       
13.     private LocationManager locationManager=null;  
14.     private LocationListener locationListener=null;  
15.   
16.     public void onCreate(Bundle savedInstanceState) {  
17.         super.onCreate(savedInstanceState);  
18.         mainView=new LinearLayout(this);  
19.         mainView.setOrientation(LinearLayout.VERTICAL);  
20.         infoView=new TextView(this);  
21.         mainView.addView(infoView);  
22.         locationView=new TextView(this);  
23.         mainView.addView(locationView);  
24.         setContentView(mainView);  
25.         locationManager_init();  
26.     }  
27.     /*locationManager初始化*/  
28.     void locationManager_init(){  
29.         locationManager =(LocationManager)this.getSystemService(Context.LOCATION_SERVICE);  
30.         locationListener_init();  
31.         locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER,1000,0, locationListener);  
32.     }  
33.     /*locatonListener初始化*/  
34.     void locationListener_init(){  
35.         locationListener=new LocationListener(){  
36.             //位置变化时触发   
37.             public void onLocationChanged(Location location) {  
38.                 locationView.setText("时间："+location.getTime()+"\n");  
39.                 locationView.append("经度："+location.getLongitude()+"\n");  
40.                 locationView.append("纬度："+location.getLatitude()+"\n");  
41.                 locationView.append("海拔："+location.getAltitude()+"\n");  
42.             }  
43.             //gps禁用时触发   
44.             public void onProviderDisabled(String provider) {  
45.                 infoView.setText("当前GPS状态：禁用\n");  
46.             }  
47.             //gps开启时触发   
48.             public void onProviderEnabled(String provider) {  
49.                 infoView.setText("当前GPS状态：开启\n");  
50.             }  
51.             //gps状态变化时触发   
52.             public void onStatusChanged(String provider, int status,Bundle extras) {  
53.                 if(status==LocationProvider.AVAILABLE){  
54.                     infoView.setText("当前GPS状态：可见的\n");  
55.                 }else if(status==LocationProvider.OUT_OF_SERVICE){  
56.                     infoView.setText("当前GPS状态：服务区外\n");  
57.                 }else if(status==LocationProvider.TEMPORARILY_UNAVAILABLE){  
58.                     infoView.setText("当前GPS状态：暂停服务\n");  
59.                 }  
60.             }  
61.         };  
62.     }  
63. }