Android 判断当前网络 wifi 3gwap(cmwap) 3gnet(cmnet)

Java代码   [url=javascript:void()][/url]

1. package lab.sodino.net;   
2.     
3.  import java.net.InetAddress;   
4.     
5.  import android.app.Activity;   
6.  import android.content.Context;   
7.  import android.net.ConnectivityManager;   
8.  import android.net.NetworkInfo;   
9.  import android.net.wifi.WifiInfo;   
10.  import android.net.wifi.WifiManager;   
11.  import android.os.Bundle;   
12.  import android.widget.ScrollView;   
13.  import android.widget.TextView;   
14.     
15.  public class NetAct extends Activity {   
16.     private TextView textView;   
17.     
18.     public void onCreate(Bundle savedInstanceState) {   
19.         super.onCreate(savedInstanceState);   
20.         textView = new TextView(this);   
21.         textView.setBackgroundColor(0xffffffff);   
22.         textView.setTextColor(0xff0000ff);   
23.         textView.setTextSize(15.0f);   
24.         textView.setScrollBarStyle(TextView.SCROLLBARS_OUTSIDE_OVERLAY);   
25.     
26.         ScrollView scrollView = new ScrollView(this);   
27.         scrollView.addView(textView);   
28.         setContentView(scrollView);   
29.         getLocalHost();   
30.         getWifiInfo();   
31.         initNetworkInfo();   
32.     }   
33.     
34.     private void getLocalHost() {   
35.         try {   
36.             InetAddress iAdd = InetAddress.getLocalHost();   
37.             String line = "";   
38.             String hostName = iAdd.getHostName();   
39.             if (hostName != null) {   
40.                 InetAddress[] adds = InetAddress.getAllByName(hostName);   
41.                 for (int i = 0; i  < adds.length; i++) {   
42.                     iAdd = adds;   
43.                     line = "HostName=" + iAdd.getHostName() + "\n";   
44.                     textView.append(line);   
45.                     line = "CanonicalHostName=" + iAdd.getCanonicalHostName()   
46.                             + "\n";   
47.                     textView.append(line);   
48.                     line = "HostAddress=" + iAdd.getHostAddress() + "\n";   
49.                     textView.append(line);   
50.                     textView.append("\n");   
51.                 }   
52.             }   
53.         } catch (Exception e) {   
54.             e.printStackTrace();   
55.     
56.         }   
57.     }   
58.     
59.     public void getWifiInfo() {   
60.         WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);   
61.         WifiInfo info = wifi.getConnectionInfo();   
62.         textView.append("HiddenSSID=" + info.getHiddenSSID() + "\n");   
63.         textView.append("IpAddress=" + info.getIpAddress() + "\n");   
64.         textView.append("LinkSpeed=" + info.getLinkSpeed() + "\n");   
65.         textView.append("NetworkId=" + info.getNetworkId() + "\n");   
66.         textView.append("Rssi=" + info.getRssi() + "\n");   
67.         textView.append("SSID=" + info.getSSID() + "\n");   
68.         textView.append("MacAddress=" + info.getMacAddress() + "\n");   
69.     }   
70.     
71.     public void initNetworkInfo() {   
72.         ConnectivityManager mag = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);   
73.         // 此处输出当前可用网络   
74.         textView.append("\nActive:\n");   
75.         NetworkInfo info = mag.getActiveNetworkInfo();   
76.         textView.append("ExtraInfo=" + info.getExtraInfo() + "\n");   
77.         textView.append("SubtypeName=" + info.getSubtypeName() + "\n");   
78.         textView.append("TypeName=" + info.getTypeName() + "\n");   
79.     
80.         textView.append("\nWifi:\n");   
81.         NetworkInfo wifiInfo = mag   
82.                 .getNetworkInfo(ConnectivityManager.TYPE_WIFI);   
83.     
84.         textView.append("ExtraInfo=" + wifiInfo.getExtraInfo() + "\n");   
85.         textView.append("SubtypeName=" + wifiInfo.getSubtypeName() + "\n");   
86.         textView.append("TypeName=" + wifiInfo.getTypeName() + "\n");   
87.         NetworkInfo mobInfo = mag   
88.                 .getNetworkInfo(ConnectivityManager.TYPE_MOBILE);   
89.         textView.append("\nMobile:\n");   
90.         textView.append("ExtraInfo=" + mobInfo.getExtraInfo() + "\n");   
91.         textView.append("SubtypeName=" + mobInfo.getSubtypeName() + "\n");   
92.         textView.append("TypeName=" + mobInfo.getTypeName() + "\n");   
93.     }   
94.  }