判断网络连接（要验证）

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

[代码] [Java]代码

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

}

[代码] [XML]代码

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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>