Android 常用代码---GPS

1	获取当前的GPS坐标
权限		<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
代码		LocationManager locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, new LocationListener() {
public void onStatusChanged(String provider, int status, Bundle extras) {
// called when the provider status changes. Possible status: OUT_OF_SERVICE, TEMPORARILY_UNAVAILABLE or AVAILABLE.
}
public void onProviderEnabled(String provider) {
// called when the provider is enabled by the user
}
public void onProviderDisabled(String provider) {
// called when the provider is disabled by the user, if it's already disabled, it's called immediately after requestLocationUpdates
}
public void onLocationChanged(Location location) {
double latitute = location.getLatitude();
double longitude = location.getLongitude();
// do whatever you want with the coordinates
}
});
2	获取最近一次已知的GPS坐标
权限		<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
代码		LocationManager locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
Location location = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
double latitute, longitude = 0;
if(location != null){
latitute = location.getLatitude();
longitude = location.getLongitude();
});
3	GPS坐标之间的距离
权限
代码		Location originLocation = new Location("gps");
Location destinationLocation = new Location("gps");
originLocation.setLatitude(originLatitude);
originLocation.setLongitude(originLongitude);
destinationLocation.setLatitude(originLatitude);
destinationLocation.setLongitude(originLongitude);
float distance = originLocation.distanceTo(destinationLocation);
4	注册监听GPS状态变化
权限		<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
代码		LocationManager locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
locationManager.addGpsStatusListener(new GpsStatus.Listener(){
public void onGpsStatusChanged(int event) {
switch(event){
// Event sent when the GPS system has started
case GpsStatus.GPS_EVENT_STARTED:
// put your code here
break;
// Event sent when the GPS system has stopped
case GpsStatus.GPS_EVENT_STOPPED:
// put your code here
break;
// Event sent when the GPS system has received its first fix since starting
case GpsStatus.GPS_EVENT_FIRST_FIX:
// put your code here
break;
// Event sent periodically to report GPS satellite status
case GpsStatus.GPS_EVENT_SATELLITE_STATUS:
// put your code here
break;
}
}
});
5	注册监听邻近提示
权限		<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
代码		// Use PendingIntent.getActivity(Context, int, Intent, int), PendingIntent.getBroadcast(Context, int, Intent, int) or
// PendingIntent.getService(Context, int, Intent, int) to create the PendingIntent, which will be used to generate an Intent to fire
// when the proximity condition is satisfied.
PendingIntent pendingIntent;
// latitude  the latitude of the central point of the alert region
// longitude  the longitude of the central point of the alert region
// radius   the radius of the central point of the alert region, in meters
LocationManager locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
locationManager.addProximityAlert(latitude, longitude, radius, -1, pendingIntent);