Android判断网络状态方法详解

Android判断网络状态这一应用技巧在实际应中是比较重要的。那么，在Android操作系统中，如何能够正确的判断我们所连接的网络是否断开恩？今天我们就针对这一应用技巧进行一个详细的分析。

1. publicclassConnectionChangeReceiverextends
   BroadcastReceiver
2. {
3. @Override
4. publicvoidonReceive(Contextcontext,Intentintent)
5. {
6. ConnectivityManagerconnectivityManager=
   (ConnectivityManager)context.getSystemService
   (Context.CONNECTIVITY_SERVICE);
7. NetworkInfoactiveNetInfo=connectivityManager.
   getActiveNetworkInfo();
8. NetworkInfomobNetInfo=connectivityManager.getNetworkInfo
   (ConnectivityManager.TYPE_MOBILE);
9. if(activeNetInfo!=null)
10. {
11. Toast.makeText(context,"ActiveNetworkType:"+
    activeNetInfo.getTypeName(),Toast.LENGTH_SHORT).show();
12. }
13. if(mobNetInfo!=null)
14. {
15. Toast.makeText(context,"MobileNetworkType:"+
    mobNetInfo.getTypeName(),Toast.LENGTH_SHORT).show();
16. }
17. }
18. }
19. <!--Neededtocheckwhenthenetworkconnectionchanges-->
20. <uses-permissionandroid:name="android.permission.
    ACCESS_NETWORK_STATE"/>
21. <receiverandroid:name="com.blackboard.androidtest.
    receiver.ConnectionChangeReceiver"
22. android:label="NetworkConnection">
23. <intent-filter>
24. <actionandroid:name="android.net.conn.CONNECTIVITY_CHANGE"/>
25. </intent-filter>
26. </receiver>