【移动开发】Android中WIFI开发总结（二）

搞了好几天终于有点眉目了，这里接着总结一下Android中WiFi的使用，在前面（http://smallwoniu.blog.51cto.com/3911954/1334951）我们已经简单了解了Wifi实际操作中所用到的几个主要类，今天就剖析一个WIFI搜索、创建、关闭、连接及一些简单的动画的综合案例。

首先，我们还是看一下我们项目的框架

MainActivity类：（处理wifi消息，加载UI）

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/**

* 主界面

* @author ZHF

*

*/

public class MainActivity extends Activity implements EventHandler{

//消息事件

public static final int m_nWifiSearchTimeOut = 0;// 搜索超时

public static final int m_nWTScanResult = 1;// 搜索到wifi返回结果

public static final int m_nWTConnectResult = 2;// 连接上wifi热点

public static final int m_nCreateAPResult = 3;// 创建热点结果

public static final int m_nUserResult = 4;// 用户上线人数更新命令(待定)

public static final int m_nWTConnected = 5;// 点击连接后断开wifi，3.5秒后刷新adapter

//一些常量

public static final String PACKAGE_NAME = "com.zhf.wifidemo.wifi"; //应用包名

public static final String FIRST_OPEN_KEY = "version"; //版本号信息

public static final String WIFI_AP_HEADER = "zhf_";

public static final String WIFI_AP_PASSWORD ="zhf12345";

//wifi操作事件（枚举）-->方便弹出对话框处理事件

private int wFOperateEnum = WFOperateEnum.NOTHING;

//三个重要的类

public WFSearchProcess m_wtSearchProcess; //WiFi搜索进度条线程

public WifiAdmin m_wiFiAdmin; //Wifi管理类

public CreateAPProcess m_createAPProcess; //创建Wifi热点线程

//相关控件

private WFSearchAnimationFrameLayout m_FrameLWTSearchAnimation; //自定义雷达动画布局

private GifView m_gifRadar; //wifi信号动画布局

private LinearLayout m_linearLCreateAP; //创建热点View

private ProgressBar m_progBarCreatingAP; //创建热点进度条

private TextView m_textVPromptAP; //创建热点进度条文字

private Button m_btnBack; //左上角返回按钮

private Button m_btnSearchWF; //右上角wifi搜索按钮

private Button m_btnCreateWF; //创建wifi热点

private ListView m_listVWT; //显示信息

private LinearLayout m_LinearLDialog; //提醒对话框

private TextView m_textVContentDialog; //对话框文本内容

private Button m_btnConfirmDialog, m_btnCancelDialog; //提醒对话框上的按钮

private TextView m_textVWTPrompt; //中间文字提示

private boolean m_isFirstOpen = true; //标记是否是第一次打开

ArrayList<ScanResult> m_listWifi = new ArrayList();//检测到热点信息列表

private WTAdapter m_wTAdapter; //网络列表适配器

public Handler mHandler = new Handler() {

public void handleMessage(android.os.Message msg) {

switch (msg.what) {

case m_nWifiSearchTimeOut: // 搜索超时

m_wtSearchProcess.stop();

m_FrameLWTSearchAnimation.stopAnimation();

m_listWifi.clear(); //网络列表

//设置控件

m_textVWTPrompt.setVisibility(View.VISIBLE);

m_textVWTPrompt.setText("需要重新搜索，点右上角重新搜索或创建新的热点...");

break;

case m_nWTScanResult: //扫描到结果

m_listWifi.clear();

if(m_wiFiAdmin.mWifiManager.getScanResults() != null) {

for (int i = 0; i < m_wiFiAdmin.mWifiManager.getScanResults().size(); i++) {

ScanResult scanResult = m_wiFiAdmin.mWifiManager.getScanResults().get(i);

//和指定连接热点比较，将其他的过滤掉！

if(scanResult.SSID.startsWith(WIFI_AP_HEADER)) {

m_listWifi.add(scanResult);

}

if(m_listWifi.size() > 0) {

m_wtSearchProcess.stop();

m_FrameLWTSearchAnimation.stopAnimation();

m_textVWTPrompt.setVisibility(View.GONE);

//更新列表，显示出搜索到的热点

m_wTAdapter.setData(m_listWifi);

m_wTAdapter.notifyDataSetChanged();

}

break;

case m_nWTConnectResult: //连接结果

m_wTAdapter.notifyDataSetChanged(); //刷新适配器数据

break;

case m_nCreateAPResult: //创建wifi热点结果

m_createAPProcess.stop();

m_progBarCreatingAP.setVisibility(View.GONE); //旋转进度条

if((m_wiFiAdmin.getWifiApState() == 3 || m_wiFiAdmin.getWifiApState() == 13) && (m_wiFiAdmin.getApSSID().startsWith(WIFI_AP_HEADER))) {

//设置控件

m_textVWTPrompt.setVisibility(View.GONE);

m_linearLCreateAP.setVisibility(View.VISIBLE);

m_btnCreateWF.setVisibility(View.VISIBLE);

m_gifRadar.setVisibility(View.VISIBLE);

m_btnCreateWF.setBackgroundResource(R.drawable.x_ap_close);

m_textVPromptAP.setText("热点创建成功！"+ "\n热点名："+ m_wiFiAdmin.getApSSID()+ "\n连接密码：zhf12345");

} else {

m_btnCreateWF.setVisibility(View.VISIBLE);

m_btnCreateWF.setBackgroundResource(R.drawable.x_wt_create);

m_textVPromptAP.setText("热点创建失败，您可以重新创建或者搜索其它热点");

}

break;

case m_nUserResult :

//更新用户上线人数

break;

case m_nWTConnected: //点击连接后断开wifi，3.5s后刷新

m_wTAdapter.notifyDataSetChanged();

break;

}

};

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.wt_main);

//搜索Wifi

m_wtSearchProcess = new WFSearchProcess(this);

//创建Wifi热点

m_createAPProcess = new CreateAPProcess(this);

//wifi管理类

m_wiFiAdmin = WifiAdmin.getInstance(this);

//初始化View

initView();

}

/**初始化View**/

private void initView() {

// 监听广播

WIFIBroadcast.ehList.add(this);

/******************************实例化布局**************************************/

m_linearLCreateAP = (LinearLayout) findViewById(R.id.create_ap_llayout_wt_main); //创建热点View

m_progBarCreatingAP = (ProgressBar) findViewById(R.id.creating_progressBar_wt_main); //创建热点进度条

m_textVPromptAP = (TextView) findViewById(R.id.prompt_ap_text_wt_main); //创建热点进度条文字

m_FrameLWTSearchAnimation = ((WFSearchAnimationFrameLayout) findViewById(R.id.search_animation_wt_main));// 搜索时的动画

m_listVWT = ((ListView) findViewById(R.id.wt_list_wt_main));// 搜索到的热点listView

//注意此处

m_wTAdapter = new WTAdapter(this, m_listWifi);

m_listVWT.setAdapter(m_wTAdapter);

m_textVWTPrompt = (TextView) findViewById(R.id.wt_prompt_wt_main); //中间提醒文字

m_gifRadar = (GifView) findViewById(R.id.radar_gif_wt_main); //gif动画

//提醒对话框布局

m_LinearLDialog = (LinearLayout) findViewById(R.id.dialog_layout_wt_main);

m_textVContentDialog = (TextView) findViewById(R.id.content_text_wtdialog);

m_btnConfirmDialog = (Button) findViewById(R.id.confirm_btn_wtdialog);

m_btnCancelDialog = (Button) findViewById(R.id.cancel_btn_wtdialog);

//左上角返回键

m_btnBack = (Button) findViewById(R.id.back_btn_wt_main);

m_btnBack.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

onBackPressed(); //相当于调用系统返回键，结束当前Activity

}

});

//右上角搜索热点按钮

m_btnSearchWF = (Button) findViewById(R.id.search_btn_wt_main);

m_btnSearchWF.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

if(!m_wtSearchProcess.running) { //搜索线程没有开启

//1.当前热点或wifi连接着 WIFI_STATE_ENABLED 3 //WIFI_AP_STATE_ENABLED 13

if(m_wiFiAdmin.getWifiApState() == 3 || m_wiFiAdmin.getWifiApState() == 13) {

wFOperateEnum = WFOperateEnum.SEARCH; //搜索wifi事件

m_LinearLDialog.setVisibility(View.VISIBLE); ///wifi提示对话框显示

m_textVContentDialog.setText("是否关闭当前热点去搜索其他热点？");

return; //跳出此方法，交由对话框来处理事件

}

//2.当前没有热点或wifi连接着

if(!m_wiFiAdmin.mWifiManager.isWifiEnabled()) { //如果wifi没打开

m_wiFiAdmin.OpenWifi();

}

m_textVWTPrompt.setVisibility(View.VISIBLE); //中间提示文字

m_textVWTPrompt.setText("正在搜索附近的热点...");

m_linearLCreateAP.setVisibility(View.GONE); //创建wifi热点布局消失

m_gifRadar.setVisibility(View.GONE); //热点连接动画消失

m_btnCreateWF.setBackgroundResource(R.drawable.x_wt_create); //更改按钮文字“创建”

//开始搜索wifi

m_wiFiAdmin.startScan();

m_wtSearchProcess.start(); //开启搜索线程

m_FrameLWTSearchAnimation.startAnimation(); //开启波纹动画

}else {//搜索线程开启着，再次点击按钮

//重新启动

m_wtSearchProcess.stop();

m_wiFiAdmin.startScan(); //开始搜索wifi

m_wtSearchProcess.start();

}

});

//中间创建wifi热点按钮

m_btnCreateWF = (Button) findViewById(R.id.create_btn_wt_main);

m_btnCreateWF.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

if(m_wiFiAdmin.getWifiApState() == 4) { // WIFI_STATE_UNKNOWN

Toast.makeText(getApplicationContext(),"您的设备不支持热点创建!", Toast.LENGTH_SHORT).show();

return;

}

if(m_wiFiAdmin.mWifiManager.isWifiEnabled()) { //目前连着wifi

wFOperateEnum = WFOperateEnum.CREATE; //wifi热点创建事件

m_LinearLDialog.setVisibility(View.VISIBLE); //对话框可用

m_textVContentDialog.setText("创建热点会关闭当前的WiFi，确认继续？");

return;

}

if((m_wiFiAdmin.getWifiApState() == 3 || m_wiFiAdmin.getWifiApState() == 13)

&& (!m_wiFiAdmin.getApSSID().startsWith(WIFI_AP_HEADER))) {//目前连接着其他热点名

wFOperateEnum = WFOperateEnum.CREATE; //wifi热点创建事件

m_LinearLDialog.setVisibility(View.VISIBLE);

m_textVContentDialog.setText("系统热点被占用，点确定开启热点以传输文件！");

return;

}

if (((m_wiFiAdmin.getWifiApState() == 3) || (m_wiFiAdmin.getWifiApState() == 13))

&& (m_wiFiAdmin.getApSSID().startsWith(WIFI_AP_HEADER))) {//目前连接着自己指定的Wifi热点

wFOperateEnum = WFOperateEnum.CLOSE; //wifi热点关闭事件

m_LinearLDialog.setVisibility(View.VISIBLE);

m_textVContentDialog.setText("关闭热点会中断当前传输，您确定这么做？");

return;

}

if(m_wtSearchProcess.running) {

m_wtSearchProcess.stop(); //停止线程

m_FrameLWTSearchAnimation.stopAnimation(); //停止动画

}

/******************点击创建热点时没有连接wifi或热点的情况*****************************/

//关闭Wifi

m_wiFiAdmin.closeWifi();

//创建热点（名字，密码，加密类型,wifi/ap类型）

m_wiFiAdmin.createWifiAP(m_wiFiAdmin.createWifiInfo(WIFI_AP_HEADER + getLocalHostName(), WIFI_AP_PASSWORD, 3, "ap"), true);

m_createAPProcess.start(); //开启创建热点线程

//将wifi信息列表设置到listview中

m_listWifi.clear();

m_wTAdapter.setData(m_listWifi);

m_wTAdapter.notifyDataSetChanged();

//设置布局

m_linearLCreateAP.setVisibility(View.VISIBLE); //热点布局可用

m_progBarCreatingAP.setVisibility(View.VISIBLE);

m_textVPromptAP.setText("正在创建热点"); //进度条文字

m_btnCreateWF.setVisibility(View.GONE); //点击一次不可再点

m_textVWTPrompt.setVisibility(View.GONE);

}

});

//对话框确认按钮

m_btnConfirmDialog.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

m_LinearLDialog.setVisibility(View.GONE); //让对话框布局消失

switch (wFOperateEnum) { //根据wifi操作事件

case WFOperateEnum.CLOSE: //关闭wifi热点

//设置布局

m_textVWTPrompt.setVisibility(View.VISIBLE);

m_textVWTPrompt.setText("热点已关闭！可以进行其他操作了！"); //中间提醒文字

m_btnCreateWF.setBackgroundResource(R.drawable.x_wt_create); //按钮文字改回“创建”

m_gifRadar.setVisibility(View.GONE); //热点动画停止

m_linearLCreateAP.setVisibility(View.GONE); //下部创建热点布局不可用

//关闭热点

m_wiFiAdmin.createWifiAP(m_wiFiAdmin.createWifiInfo(m_wiFiAdmin.getApSSID(), "zhf123456", 3, "ap"), false);

break;

case WFOperateEnum.CREATE: //创建wifi热点

if(m_wtSearchProcess.running) {

m_wtSearchProcess.stop(); //搜索wifi线程停止

m_FrameLWTSearchAnimation.stopAnimation(); //搜索wifi动画停止

}

//关闭wifi

m_wiFiAdmin.closeWifi();

//创建WiFi热点

m_wiFiAdmin.createWifiAP(m_wiFiAdmin.createWifiInfo(WIFI_AP_HEADER + getLocalHostName(), WIFI_AP_PASSWORD, 3, "ap"),true);

m_createAPProcess.start();

//刷新listView布局

m_listWifi.clear();

m_wTAdapter.setData(m_listWifi);

m_wTAdapter.notifyDataSetChanged();

//设置布局

m_linearLCreateAP.setVisibility(View.VISIBLE);

m_progBarCreatingAP.setVisibility(View.VISIBLE); //旋转进度条

m_btnCreateWF.setVisibility(View.GONE);

m_textVWTPrompt.setVisibility(View.GONE);

m_textVPromptAP.setText("正在创建热点..."); //进度条文字

break;

case WFOperateEnum.SEARCH: //搜索可用热点

//设置布局

m_textVWTPrompt.setVisibility(View.VISIBLE);

m_textVWTPrompt.setText("正在搜索附近的热点...");

m_linearLCreateAP.setVisibility(View.GONE); //创建热点布局不可用

m_btnCreateWF.setVisibility(View.VISIBLE);

m_btnCreateWF.setBackgroundResource(R.drawable.x_wt_create); //按钮文字改回“创建”

m_gifRadar.setVisibility(View.GONE); //热点动画停止

m_linearLCreateAP.setVisibility(View.GONE); //下部创建热点布局不可用

//搜索热点线程关闭

if (m_createAPProcess.running)

m_createAPProcess.stop();

//关闭热点

m_wiFiAdmin.createWifiAP(m_wiFiAdmin.createWifiInfo(m_wiFiAdmin.getApSSID(), WIFI_AP_PASSWORD, 3, "ap"),false);

//打开wifi

m_wiFiAdmin.OpenWifi();

m_wtSearchProcess.start();

m_FrameLWTSearchAnimation.startAnimation();

break;

}

});

//对话框取消按钮事件

m_btnCancelDialog.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

//对话框布局消失

m_LinearLDialog.setVisibility(View.GONE);

}

});

}

/**Wifi是否连接**/

private boolean isWifiConnect() {

boolean isConnect = true;

//用于网络连接状态的检测

ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);

if(!cm.getNetworkInfo(ConnectivityManager.TYPE_WIFI).isConnected())

isConnect = false;

return isConnect;

}

/**获取wifi热点状态**/

public boolean getWifiApState() {

try {

WifiManager localWifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);

Method m = localWifiManager.getClass().getMethod("getWifiApState", new Class[0]);

int i = (Integer)(m.invoke(localWifiManager, new Object[0]));

return (3 == i) || (13 == i); //WIFI_STATE_ENABLED 3 //WIFI_AP_STATE_ENABLED 13

} catch (Exception e) {

e.printStackTrace();

}

return false;

}

/**获取手机信息**/

public String getLocalHostName() {

String str1 = Build.BRAND; //主板

String str2 = Build.MODEL; //机型

if (-1 == str2.toUpperCase().indexOf(str1.toUpperCase()))

str2 = str1 + "_" + str2;

return str2;

}

private void init() {

//线程是否在运行

if(this.m_wtSearchProcess.running || this.m_createAPProcess.running) {

return;

}

//没有连接上wifi或者是wifi热点

if(!isWifiConnect() && !getWifiApState()) {

m_wiFiAdmin.OpenWifi();

m_wtSearchProcess.start(); //开启搜索wifi超时检测线程

m_wiFiAdmin.startScan(); //开启搜索wifi

//开启搜索动画

m_FrameLWTSearchAnimation.startAnimation();

//设置控件

m_textVWTPrompt.setVisibility(View.VISIBLE);

m_textVWTPrompt.setText(" 正在搜索附近的热点...");

m_linearLCreateAP.setVisibility(View.GONE);

m_btnCreateWF.setBackgroundResource(R.drawable.x_wt_create);

}

//连接上wifi

if(isWifiConnect()) {

this.m_wiFiAdmin.startScan();

this.m_wtSearchProcess.start();

this.m_FrameLWTSearchAnimation.startAnimation();

//设置控件

this.m_textVWTPrompt.setVisibility(0);

this.m_textVWTPrompt.setText("正在搜索附近的热点...");

this.m_linearLCreateAP.setVisibility(View.GONE);

this.m_btnCreateWF.setBackgroundResource(R.drawable.x_wt_create);

this.m_gifRadar.setVisibility(View.GONE);

m_listWifi.clear();

if(m_wiFiAdmin.mWifiManager.getScanResults() != null) {

for (int i = 0; i < m_wiFiAdmin.mWifiManager.getScanResults().size(); i++) {

//识别出自己自定连接的wifi

if(m_wiFiAdmin.mWifiManager.getScanResults().get(i).SSID.startsWith(WIFI_AP_HEADER)) {

m_listWifi.add(m_wiFiAdmin.mWifiManager.getScanResults().get(i)); //将指定wifi添加进去

}

m_wTAdapter.setData(m_listWifi); //将连接的信息添加到listView中

m_wTAdapter.notifyDataSetChanged();

}

//连接上wifi热点

if(getWifiApState()){

if(m_wiFiAdmin.getApSSID().startsWith(WIFI_AP_HEADER)) {

//设置控件

m_textVWTPrompt.setVisibility(View.GONE);

m_linearLCreateAP.setVisibility(View.VISIBLE);

m_progBarCreatingAP.setVisibility(View.GONE);

m_btnCreateWF.setVisibility(View.VISIBLE);

m_gifRadar.setVisibility(View.VISIBLE);

m_btnCreateWF.setBackgroundResource(R.drawable.x_ap_close);

m_textVPromptAP.setText("\n热点名："+ m_wiFiAdmin.getApSSID() + "\n连接密码：zhf12345");

}

@Override

protected void onDestroy() {

// TODO Auto-generated method stub

super.onDestroy();

WIFIBroadcast.ehList.remove(this);

}

@Override

public void handleConnectChange() {

Message msg = mHandler.obtainMessage(m_nWTConnectResult);

mHandler.sendMessage(msg);

}

@Override

public void scanResultsAvaiable() {

Message msg = mHandler.obtainMessage(m_nWTScanResult);

mHandler.sendMessage(msg);

}

@Override

public void wifiStatusNotification() {

m_wiFiAdmin.mWifiManager.getWifiState(); //获取当前wifi状态

}

貌似有点长。。。简单说明一下：

1.首先，初始化主界面（xml有些复杂，慢慢理一下就好了，不是什么大问题）接下来，处理三个重要的按钮事件：右上角的搜索wifi按钮、中间创建或关闭热点按钮、对话框中确定按钮。处理前两者事件时，需关注当前wifi状态，若为占用，需弹出提醒对话框来根据当前WiFi操作（WFOperateEnum类中定义好了）事件，来创建、关闭、搜索等具体事务。

2.之所以定义广播接收者，是为了监听当wifi状态发生变化时，能够及时更新界面

广播接收者WIFIBroadcast类:

package com.zhf.wifidemo.broadcast;

import java.util.ArrayList;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.net.wifi.WifiManager;

import android.util.Log;

/**

* 监听wifi热点变化

* @author ZHF

*

*/

public class WIFIBroadcast extends BroadcastReceiver{

public static ArrayList<EventHandler> ehList = new ArrayList<EventHandler>();

@Override

public void onReceive(Context context, Intent intent) {

//搜索到wifi热点结果的广播: "android.net.wifi.SCAN_RESULTS"

if(intent.getAction().endsWith(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION)) {

Log.i("WTScanResults---->扫描到了可用网络---->", "android.net.wifi.SCAN_RESULTS");

//遍历通知各个监听接口

for(int i = 0; i < ehList.size(); i++) {

((EventHandler)ehList.get(i)).scanResultsAvaiable();

}

//wifi打开或关闭状态变化 "android.net.wifi.WIFI_STATE_CHANGED"

}else if(intent.getAction().endsWith(WifiManager.WIFI_STATE_CHANGED_ACTION)) {

Log.i("WTScanResults----->wifi状态变化--->", "android.net.wifi.WIFI_STATE_CHANGED");

//这里不需要连接一个SSID（wifi名称）

for(int j = 0; j < ehList.size(); j++) {

((EventHandler)ehList.get(j)).wifiStatusNotification();

}

//连接上一个SSID后发出的广播，(注：与android.net.wifi.WIFI_STATE_CHANGED的区别)

}else if(intent.getAction().endsWith(WifiManager.NETWORK_STATE_CHANGED_ACTION)) {

Log.i("WTScanResults----->网络状态变化---->", "android.net.wifi.STATE_CHANGE");

for(int m = 0; m < ehList.size(); m++) {

((EventHandler)ehList.get(m)).handleConnectChange();

}

/**

* 事件监听接口

* @author ZHF

*

*/

public static abstract interface EventHandler {

/**处理连接变化事件**/

public abstract void handleConnectChange();

/**扫描结果是有效事件**/

public abstract void scanResultsAvaiable();

/**wifi状态变化事件**/

public abstract void wifiStatusNotification();

}

说明：监听系统wifi状态变化，内部定义了一个事件处理接口，当wifi状态发生变化时，让其实现类去发送消息更新界面。

CreateAPProcess类：

package com.zhf.wifidemo.ui;

import android.net.wifi.WifiManager;

import android.os.Message;

import com.zhf.wifidemo.wifi.MainActivity;

/**

* 创建Wifi热点

* @author ZHF

*

*/

public class CreateAPProcess implements Runnable{

public MainActivity context;

public boolean running = false;

private long startTime = 0L;

private Thread thread = null;

public CreateAPProcess(MainActivity context) {

super();

this.context = context;

}

@Override

public void run() {

while(true) {

if(!running) return;

//WIFI_STATE_ENABLED 3

//WIFI_AP_STATE_ENABLED 13

if((context.m_wiFiAdmin.getWifiApState() == WifiManager.WIFI_STATE_ENABLED)

|| (context.m_wiFiAdmin.getWifiApState() == 13)

|| (System.currentTimeMillis() - this.startTime >= 30000L)){

//wifi可用或热点可用

Message msg = context.mHandler.obtainMessage(context.m_nCreateAPResult);

context.mHandler.sendMessage(msg);

}

try {

Thread.sleep(5L);

} catch (Exception e) {

e.printStackTrace();

}

public void start() {

try {

thread = new Thread(this);

running = true;

startTime = System.currentTimeMillis();

thread.start(); //开启线程

} catch (Exception e) {

e.printStackTrace();

}

public void stop() {

try {

running = false;

thread = null;

startTime = 0L;

} catch (Exception e) {

// TODO: handle exception

}

其他类文件具体看源码，当创建一个热点成功后，等待其他客户端搜索

上图：

【移动开发】Android中WIFI开发总结（二）

WIFIAdapte类：

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/**

* 网络列表适配器

* @author ZHF

*

*/

public class WTAdapter extends BaseAdapter {

private LayoutInflater mInflater;

private List<ScanResult> mList; //扫描到的网络结果列表

private MainActivity mContext;

public WTAdapter(MainActivity context, List<ScanResult> list) {

// TODO Auto-generated constructor stub

this.mContext = context;

this.mList = list;

this.mInflater = LayoutInflater.from(context);

}

//新加的一个函数，用来更新数据

public void setData(List<ScanResult> list) {

this.mList = list;

notifyDataSetChanged();

}

@Override

public int getCount() {

return mList.size();

}

@Override

public Object getItem(int position) {

return mList.get(position);

}

@Override

public long getItemId(int position) {

return position;

}

@Override

public View getView(final int position, View convertView, ViewGroup parent) {

//获取点击向的扫描结果

final ScanResult localScanResult = mList.get(position);

//获取wifi类

// final WifiAdmin wifiAdmin = WifiAdmin.getInstance(mContext);

final WifiAdmin wifiAdmin = mContext.m_wiFiAdmin;

final ViewHolder viewHolder;

if (convertView == null) {

viewHolder = new ViewHolder();

convertView = mInflater.inflate(R.layout.wtitem, null);

//加载布局模板控件

viewHolder.textVName = ((TextView) convertView.findViewById(R.id.name_text_wtitem));

viewHolder.textConnect = ((TextView) convertView.findViewById(R.id.connect_text_wtitem));

viewHolder.linearLConnectOk = ((LinearLayout) convertView.findViewById(R.id.connect_ok_layout_wtitem));

viewHolder.progressBConnecting = ((ProgressBar) convertView.findViewById(R.id.connecting_progressBar_wtitem));

convertView.setTag(viewHolder);

} else {

viewHolder = (ViewHolder) convertView.getTag();

}

//点击连接处理事件

viewHolder.textConnect.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

//创建wifi网络

WifiConfiguration localWifiConfiguration = wifiAdmin.createWifiInfo(localScanResult.SSID, MainActivity.WIFI_AP_PASSWORD,

3,"wt");

//添加到网络

wifiAdmin.addNetwork(localWifiConfiguration);

//"点击链接"消失，显示进度条，

viewHolder.textConnect.setVisibility(View.GONE);

viewHolder.progressBConnecting.setVisibility(View.VISIBLE);

viewHolder.linearLConnectOk.setVisibility(View.GONE);

//点击后3.5s发送消息

mContext.mHandler.sendEmptyMessageDelayed(mContext.m_nWTConnected, 3500L);

}

});

// 点击断开处理事件

viewHolder.linearLConnectOk.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

//断开指定wifi热点

wifiAdmin.disconnectWifi(wifiAdmin.getWifiInfo().getNetworkId());

//"断开连接"消失，进度条显示

viewHolder.textConnect.setVisibility(View.GONE);

viewHolder.progressBConnecting.setVisibility(View.VISIBLE);

viewHolder.linearLConnectOk.setVisibility(View.GONE);

//点击后3.5s发送消息

mContext.mHandler.sendEmptyMessageDelayed(mContext.m_nWTConnected, 3500L);

}

});

//初始化布局

viewHolder.textConnect.setVisibility(View.GONE);

viewHolder.progressBConnecting.setVisibility(View.GONE);

viewHolder.linearLConnectOk.setVisibility(View.GONE);

viewHolder.textVName.setText(localScanResult.SSID); //显示热点名称

// 正连接的wifi信息

WifiInfo localWifiInfo = wifiAdmin.getWifiInfo();

if (localWifiInfo != null) {

try {//正在连接

if ((localWifiInfo.getSSID() != null)&& (localWifiInfo.getSSID().equals(localScanResult.SSID))) {

viewHolder.linearLConnectOk.setVisibility(View.VISIBLE);

return convertView;

}

} catch (NullPointerException e) {

e.printStackTrace();

return convertView;

}

viewHolder.textConnect.setVisibility(View.VISIBLE);

}

return convertView;

}

public final class ViewHolder {

public LinearLayout linearLConnectOk;

public ProgressBar progressBConnecting;

public TextView textConnect;

public TextView textVName;

}

点击连接，实现客户连接，此时他们将处于同一网段内，接下来就可以自己实现传输数据，操控等一系列操作了。在下一篇中我会继实现一个基于wif热点的多人聊天室，希望能帮助到大家！

源码:http://down.51cto.com/data/1036876

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【移动开发】Android中WIFI开发总结（二）

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