引用：http://www.oschina.net/code/snippet_163910_6189

[代碼]?[Java]代碼

01	public?class?ConnectionChangeReceiver?extends

02	BroadcastReceiver??

03

{??

04	@Override??

05	public?void?onReceive( Context context, Intent intent )??

06

{??

07	ConnectivityManager connectivityManager =

08	(ConnectivityManager) context.getSystemService

09	( Context.CONNECTIVITY_SERVICE );??

10	NetworkInfo activeNetInfo = connectivityManager.

11	getActiveNetworkInfo();??

12	NetworkInfo mobNetInfo = connectivityManager.getNetworkInfo

13	( ConnectivityManager.TYPE_MOBILE );??

14	if?( activeNetInfo !=?null?)??

15

{??

16	Toast.makeText( context,?"Active Network Type : "?+

17	activeNetInfo.getTypeName(), Toast.LENGTH_SHORT ).show();??

18

}??

19	if( mobNetInfo !=?null?)??

20

{??

21	Toast.makeText( context,?"Mobile Network Type : "?+

22	mobNetInfo.getTypeName(), Toast.LENGTH_SHORT ).show();??

23

}??

24

}??

25

}

[代碼]?[XML]代碼

view source print?

01	< !-- Needed to check when the network connection changes -->??

02	<?uses-permission?android:name="android.permission.

03	ACCESS_NETWORK_STATE"/>??

04	<?receiver?android:name="com.blackboard.androidtest.

05	receiver.ConnectionChangeReceiver"??

06	android:label="NetworkConnection">??

07	<?intent-filter>??

08	<?action?android:name="android.net.conn.CONNECTIVITY_CHANGE"/>??

09	< /intent-filter>??

10	< /receiver>

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