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android 搜索附近WIFI 并输入密码连接wifi 示例源码下载

Android平台开发

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  • 开发语言:Java
  • 实例大小:1.42M
  • 下载次数:26
  • 浏览次数:497
  • 发布时间:2016-11-30
  • 实例类别:Android平台开发
  • 发 布 人:7814258@qq.com
  • 文件格式:.rar
  • 所需积分:2
 相关标签: Android wifi 密码

实例介绍

【实例简介】

【实例截图】

【核心代码】


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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);
                }
            }
        
      }
    };*/
}


标签: Android wifi 密码

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