Android WIFI DEMO(扫描附近WIFI强度)

 

                                      

package src.hero.com;
import java.util.ArrayList;
import java.util.List;
import android.app.ListActivity;
import android.net.wifi.ScanResult;
import android.net.wifi.WifiConfiguration;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.AdapterView.OnItemClickListener;
public class ListOk extends ListActivity implements OnItemClickListener
{
 private ListView lv;
 private WifiTester wifiTester;
 // -----------------------连接WIFI
 private ScanResult scanRet;
 private WifiConfiguration wc;
 public void onCreate(Bundle savedInstanceState)
 {
  super.onCreate(savedInstanceState);
  this.setTitle("当前可用的WIFI列表");
  WifiTesterApp _TestActivityApp = (WifiTesterApp) this.getApplication();
  wifiTester = (_TestActivityApp).getWifiTester();
  wc = new WifiConfiguration();
  ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
    android.R.layout.simple_list_item_1,
    getString(wifiTester.getWifiList()));
  setListAdapter(adapter);
  lv = getListView();
  lv.setAdapter(adapter);
  lv.setOnItemClickListener(this);
 }
 public String[] getString(List<ScanResult> wifiList)
 {
  ArrayList<String> listStr = new ArrayList<String>();
  for (int i = 0; i < wifiList.size(); i++)
  {
   listStr.add(wifiList.get(i).toString());
  }
  return listStr.toArray(new String[0]);
 }
 @Override
 public void onItemClick(AdapterView<?> parent, View view, int position,
   long id)
 {
  scanRet = wifiTester.getWifiList().get(position);
  wc.SSID = "\"" + scanRet.SSID + "\""; // 配置wifi的SSID，即该热点的名称，如：TP-link_xxx
  wc.preSharedKey = "\"7675781777\""; // 该热点的密码
  wc.hiddenSSID = true;
  wc.status = WifiConfiguration.Status.ENABLED;
  wc.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP);
  wc.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.CCMP);
  wc.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.WPA_PSK);
  wc.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.TKIP);
  wc.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.CCMP);
  wc.allowedProtocols.set(WifiConfiguration.Protocol.RSN);
  // int res = wifiTester.getMainWifi().addNetwork(wc);
  // Log.d("Wif iPreference", "1111111add Network returned " + res);
  // boolean b = wifiTester.getMainWifi().enableNetwork(res, true);
  // Log.d("WifiPreference", "2222222222enableNetwork returned " + b);
 }
}

转载:http://www.adobex.com/android/source/details/00000417.htm