【移動(dòng)應(yīng)用開發(fā)技術(shù)】Android中怎么獲取經(jīng)緯度

【移動(dòng)應(yīng)用開發(fā)技術(shù)】Android中怎么獲取經(jīng)緯度

private

LocationManager

locationManager;

private

String

locationProvider;

//

經(jīng)緯度獲取

private

void

jingwd()

{

//

獲取地理位置管理器

locationManager

=

(LocationManager)

getSystemService(Context.LOCATION_SERVICE);

//

獲取所有可用的位置提供器

List<String>

providers

=

locationManager.getProviders(true);

if

(providers.contains(LocationManager.GPS_PROVIDER))

{

//

如果是GPS

locationProvider

=

LocationManager.GPS_PROVIDER;

}

else

if

(providers.contains(LocationManager.NETWORK_PROVIDER))

{

//

如果是Network

locationProvider

=

LocationManager.NETWORK_PROVIDER;

}

else

{

Toast.makeText(this,

"沒有可用的位置提供器",

Toast.LENGTH_SHORT).show();

return;

}

//

獲取Location

Location

location

=

locationManager

.getLastKnownLocation(locationProvider);

if

(location

!=

null)

{

//

不為空,顯示地理位置經(jīng)緯度

showLocation(location);

}

//

監(jiān)視地理位置變化

locationManager.requestLocationUpdates(locationProvider,

3000,

1,

locationListener);

}

/**

*

顯示地理位置經(jīng)度和緯度信息

*

*

@param

location

*/

private

void

showLocation(Location

location)

{

jingD

=

location.getLongitude();

weiD

=

location.getLatitude();

}

/**

*

LocationListern監(jiān)聽器

參數(shù)：地理位置提供器、監(jiān)聽位置變化的時(shí)間間隔、位置變化的距離間隔、LocationListener監(jiān)聽器

*/

LocationListener

locationListener

=

new

LocationListener()

{

@Override

public

void

onStatusChanged(String

provider,

int

status,

Bundle

arg2)

{

}

@Override

public

void

onProviderEnabled(String

provider)

{

}

@Override

public

void

onProviderDisabled(String

provider)

{

}

@Override

public

void

onLocationChanged(Location

location)

{

//

如果位置發(fā)生變化,重新顯示

showLocation(location);

}

};

@Override

protected

void

onDestroy()

{

super.onDestroy();

if

(locationManager