Network Management for Android

2. /** 
4. * Test connectivitymanager 
6. * Connectivitymanager manages network connection-related operations. 
8. * Telephonymanager manages information related to mobile phones and carriers, and wifimanager manages information related to wifi. 
10. * To access the network status, you must first add the permission <uses-Permission Android: Name = "android. Permission. access_network_state"/> 
12. * The networkinfo class contains a detailed description of the connection between Wi-Fi and mobile network modes. The State object obtained through its getstate () method represents 
14. * The connection is successful or not. 
16. * 
18. */
20.  Public VoidTestconnectivitymanager (){
22. Connectivitymanager connmanager = (connectivitymanager)This
24. . Getsystemservice (connectivity_service );
26. // Obtain the networkinfo object that represents the networking status
28. Networkinfo = connmanager. getactivenetworkinfo ();
30. // Obtain whether the current network connection is available
32. BooleanAvailable = networkinfo. isavailable ();
34. If(Available ){
36. Log. I ("Notification","The current network connection is available");
38. }
40. Else{
42. Log. I ("Notification","The current network connection is available");
44. }
48. State state = connmanager. getnetworkinfo (connectivitymanager. type_mobile). getstate ();
50. If(State. Connected = State ){
52. Log. I ("Notification","GPRS network connected");
54. }
58. State = connmanager. getnetworkinfo (connectivitymanager. type_wifi). getstate ();
60. If(State. Connected = State ){
62. Log. I ("Notification","Wi-Fi network connected");
64. }
68. // Jump to the wireless network settings page
70. Startactivity (NewIntent (Android. provider. settings. action_wireless_settings ));
72. // Jump to the unlimited WiFi network settings page
74. Startactivity (NewIntent (Android. provider. settings. action_wifi_settings ));
78. }