主程序文件
[java]
package com.example.controlpcpro;
import java.util.ArrayList;
import java.util.List;
import android.app.Activity;
import android.net.wifi.ScanResult;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.Toast;
import com.wifi.utils.WifiPswDialog;
import com.wifi.utils.WifiPswDialog.OnCustomDialogListener;
import com.wifi.utils.WifiUtils;
public class ControlPCMainActivity extends Activity {
private String wifiPassword = null;
private Button wifiSearchButton;
private WifiUtils localWifiUtils;
private List<ScanResult> wifiResultList;
private List<String> wifiListString = new ArrayList<String>();
private ListView wifiSearchListView;
private ArrayAdapter<String> arrayWifiAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_control_pcmain);
wifiSearchButton = (Button)findViewById(R.id.wifiSearchButton);
WIFIButtonListener wifiButtonListener = new WIFIButtonListener();
wifiSearchButton.setOnClickListener(wifiButtonListener);
wifiSearchListView = (ListView)findViewById(R.id.wifiListView);
arrayWifiAdapter = new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,wifiListString);
wifiSearchListView.setAdapter(arrayWifiAdapter);
ListOnItemClickListener wifiListListener = new ListOnItemClickListener();
wifiSearchListView.setOnItemClickListener(wifiListListener);
localWifiUtils = new WifiUtils(ControlPCMainActivity.this);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.control_pcmain, menu);
return true;
}
class WIFIButtonListener implements OnClickListener{
@Override
public void onClick(View view) {
// TODO Auto-generated method stub
wifiListString.clear();
localWifiUtils.WifiOpen();
localWifiUtils.WifiStartScan();
//0正在关闭,1WIFi不可用,2正在打开,3可用,4状态不可zhi
while(localWifiUtils.WifiCheckState() != WifiManager.WIFI_STATE_ENABLED){//等待Wifi开启
Log.i("WifiState",String.valueOf(localWifiUtils.WifiCheckState()));
}
try {
Thread.sleep(3000);//休眠3s，不休眠则会在程序首次开启WIFI时候，处理getScanResults结果，wifiResultList.size()发生异常
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
wifiResultList = localWifiUtils.getScanResults();
localWifiUtils.getConfiguration();
if(wifiListString != null){
Log.i("WIFIButtonListener","dataChange");
scanResultToString(wifiResultList,wifiListString);
}
}
}
class ListOnItemClickListener implements OnItemClickListener{
String wifiItemSSID = null;
private View selectedItem;
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
long arg3) {
// TODO Auto-generated method stub
Log.i("ListOnItemClickListener","start");
selectedItem = arg1;
arg1.setBackgroundResource(R.color.gray);//点击的Item项背景设置
String wifiItem = arrayWifiAdapter.getItem(arg2);//获得选中的设备
String []ItemValue = wifiItem.split("–");
wifiItemSSID = ItemValue[0];
Log.i("ListOnItemClickListener",wifiItemSSID);
int wifiItemId = localWifiUtils.IsConfiguration("\""+wifiItemSSID+"\"");
Log.i("ListOnItemClickListener",String.valueOf(wifiItemId));
if(wifiItemId != -1){
if(localWifiUtils.ConnectWifi(wifiItemId)){//连接指定WIFI
arg1.setBackgroundResource(R.color.green);
}
}
else{//没有配置好信息，配置
WifiPswDialog pswDialog = new WifiPswDialog(ControlPCMainActivity.this,new OnCustomDialogListener() {
@Override
public void back(String str) {
// TODO Auto-generated method stub
wifiPassword = str;
if(wifiPassword != null){
int netId = localWifiUtils.AddWifiConfig(wifiResultList,wifiItemSSID, wifiPassword);
Log.i("WifiPswDialog",String.valueOf(netId));
if(netId != -1){
localWifiUtils.getConfiguration();//添加了配置信息，要重新得到配置信息
if(localWifiUtils.ConnectWifi(netId)){
selectedItem.setBackgroundResource(R.color.green);
}
}
else{
Toast.makeText(ControlPCMainActivity.this, "网络连接错误", Toast.LENGTH_SHORT).show();
selectedItem.setBackgroundResource(R.color.burlywood);
}
}
else{
selectedItem.setBackgroundResource(R.color.burlywood);
}
}
});
pswDialog.show();
}
}
}
//ScanResult类型转为String
public void scanResultToString(List<ScanResult> listScan,List<String> listStr){
for(int i = 0; i <listScan.size(); i++){
ScanResult strScan = listScan.get(i);
String str = strScan.SSID+"–"+strScan.BSSID;
boolean bool = listStr.add(str);
if(bool){
arrayWifiAdapter.notifyDataSetChanged();//数据更新,只能单个Item更新，不能够整体List更新
}
else{
Log.i("scanResultToSting","fail");
}
Log.i("scanResultToString",listStr.get(i));
}
}
/*private BroadcastReceiver WifiBroadcastRec = new BroadcastReceiver(){
@Override
public void onReceive(Context context, Intent intent) {
// TODO Auto-generated method stub
String wifiAction = intent.getAction();
if(WifiManager.WIFI_STATE_CHANGED_ACTION.equals(wifiAction)){
int wifiState = intent.getIntExtra(WifiManager.EXTRA_WIFI_STATE,WifiManager.WIFI_STATE_ENABLED);
if(wifiState == WifiManager.WIFI_STATE_ENABLED){
try {
Thread.sleep(3000);//休眠3s，不休眠则会在程序首次开启WIFI时候，处理getScanResults结果，wifiResultList.size()发生异常
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
wifiResultList = localWifiUtils.getScanResults();
localWifiUtils.getConfiguration();
if(wifiListString != null){
scanResultToString(wifiResultList,wifiListString);
}
}
}
}
};*/
}
[/java]
完整项目文件地址：
http://pan.baidu.com/s/1nt7HXUx
