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我已经得到了可用的wifi网络列表，现在我想连接一个特定的网络。所以请指导我在获取网络列表后列表显示。获取可用的wifi连接后以编程方式连接特定的WiFi
**package com.example.wifilist
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.net.wifi.ScanResult;
import android.net.wifi.WifiConfiguration;
import android.net.wifi.WifiConfiguration.KeyMgmt;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.view.View; import android.view.View.OnClickListener;
import android.widget.AdapterView; import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.AdapterView.OnItemClickListener;
public class MainActivity extends Activity implements OnClickListener
{
String networkSSID = "test";
String networkPass = "pass";
WifiManager wifi;
ListView lv;
TextView textstatus;
Button buttonscan,buttonConnect;
String ITEM_KEY = "key";
ArrayList<String> arralist11=new ArrayList<String>();
ArrayAdapter<String> arrayadapter;
List<ScanResult> scanresult;
int size=0;
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
buttonConnect=(Button)findViewById(R.id.btn_connect);
lv=(ListView)findViewById(R.id.list);
wifi=(WifiManager)getSystemService(Context.WIFI_SERVICE);
if(wifi.isWifiEnabled()==false)
{
Toast.makeText(getApplicationContext(), "Wifi Is Not Enabled",Toast.LENGTH_SHORT).show(); }
else
{
Toast.makeText(getApplicationContext(), "Wifi Is Enabled",Toast.LENGTH_SHORT).show();
}
the networbuttonscan=(Button)findViewById(R.id.btn);
buttonscan.setOnClickListener(this);
arrayadapter=new ArrayAdapter<String> (MainActivity.this,R.layout.adapter,R.id.listtext,arralist11);
lv.setAdapter(arrayadapter);
private void ScanningWifiNetwork()
{
registerReceiver(new BroadcastReceiver()
{
public void
onReceive(Context context, Intent intent)
{
scan result=wifi.getScanResults();
size=scanresult.size();
}, new IntentFilter(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION));
}
@Override public void onClick(View v)
{
// TODO Auto-generated method
stub arralist11.clear(); wifi.startScan();
Toast.makeText(getApplicationContext(), "Scanning...."+size,Toast.LENGTH_SHORT).show();
try
{
size=size-1;
while(size>=0)
{
HashMap<String, String> item=new HashMap<String, String>();
item.put(ITEM_KEY, scanresult.get(size).SSID+"\n" +""+scanresult.get(size).capabilities);
arralist11.add(scanresult.get(size).SSID+"\n"+scanresult.get(size).capabilities);
size--;
arrayadapter.notifyDataSetChanged();
}
}
catch(Exception e)
{
System.out.println("error in on click view block"+'\n');
e.printStackTrace();
}
}