Android手机与特定传感器节点连接

QucikTransferActivity:

package edu.cdut.robin;

public class QuickTransferActivity extends Activity implements DisplayMesage, ITransferResult {

/* Called when the activity is first created. /

//当程序开始时调用这个java文件

TextView content;

Button mBtn3, mBtn4;

WifiAdmin mWifiAdmin;

WifiApAdmin wifiAp;

Context context;

final static String TAG = “robin”;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
content = (TextView) this.findViewById(R.id.content);
mBtn3 = (Button) findViewById(R.id.button3);
mBtn4 = (Button) findViewById(R.id.button4);
mBtn3.setText("点击连接Wifi");
mBtn4.setText("点击创建Wifi热点");
context = this;
mBtn3.setOnClickListener(new Button.OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub

mWifiAdmin = new WifiAdmin(context) {

@Override
public void myUnregisterReceiver(BroadcastReceiver receiver) {
// TODO Auto-generated method stub
unregisterReceiver(receiver);
}

@Override
public Intent myRegisterReceiver(BroadcastReceiver receiver, IntentFilter filter) {
// TODO Auto-generated method stub
registerReceiver(receiver, filter);
return null;
}

@Override
public void onNotifyWifiConnected() {
// TODO Auto-generated method stub
Log.v(TAG, "have connected success!");
Log.v(TAG, "###############################");
}

@Override
public void onNotifyWifiConnectFailed() {
// TODO Auto-generated method stub
Log.v(TAG, "have connected failed!");
Log.v(TAG, "###############################");
}

};
mWifiAdmin.openWifi();
mWifiAdmin.addNetwork(mWifiAdmin.createWifiInfo(Constant.HOST_SPOT_SSID, Constant.HOST_SPOT_PASS_WORD,
WifiAdmin.TYPE_WPA));

}
});

mBtn4.setOnClickListener(new Button.OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub

wifiAp = new WifiApAdmin(context);
wifiAp.startWifiAp(Constant.HOST_SPOT_SSID, Constant.HOST_SPOT_PASS_WORD);
}
});
}

public void onClick(View view) {
if (view.getId() == R.id.button1) {
WifiManager wifiManage = (WifiManager) getSystemService(Context.WIFI_SERVICE);
DhcpInfo info = wifiManage.getDhcpInfo();
WifiInfo wifiinfo = wifiManage.getConnectionInfo();
String ip = intToIp(wifiinfo.getIpAddress());
String serverAddress = intToIp(info.serverAddress);
new Sender(serverAddress, this, this).start();
Log.w("robin", "ip:" + ip + "serverAddress:" + serverAddress + info);
} else if (view.getId() == R.id.button2) {
Receiver service = new Receiver(this, this);
service.start();

}
}

Handler handler = new Handler();
StringBuffer strBuffer = new StringBuffer();

public void displayMesage(final String msg) {
Runnable r = new Runnable() {

public void run() {
// TODO Auto-generated method stub
if (strBuffer.length() > 1024) {
strBuffer.delete(0, 100);
}
strBuffer.append(msg + "\n");
content.setText(strBuffer.toString());
content.invalidate();
}
};
handler.post(r);
}

// 将获取的int转为真正的ip地址,参考的网上的，修改了下

private String intToIp(int i) {
return (i & 0xFF) + "." + ((i >> 8) & 0xFF) + "." + ((i >> 16) & 0xFF) + "." + ((i >> 24) & 0xFF);
}

@Override
public void appendMesage(String msg) {
displayMesage(msg);

}

@Override
public void onResult(int result, long size) {
if (wifiAp != null) {
wifiAp.closeWifiAp(context);
}
// TODO Auto-generated method stub
closeWifi();
Runnable r = new Runnable() {

@Override
public void run() {
// TODO Auto-generated method stub
displayMesage("try to open wifi");
openWifi();
displayMesage("open wifi end");
}

};
handler.postDelayed(r, 30 * 1000);

}

WifiManager mWifiManager;

// 打开WIFI

public void openWifi() {

if(mWifiAdmin!=null){

mWifiAdmin.openWifi();

return;

}

if (mWifiManager == null) {

mWifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);

}

if (!mWifiManager.isWifiEnabled()) {

mWifiManager.setWifiEnabled(true);

}

}

// 关闭WIFI

public void closeWifi() {

if(mWifiAdmin!=null){

mWifiAdmin.closeWifi();

return;

}

if (mWifiManager == null) {

mWifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);

}

if (mWifiManager.isWifiEnabled()) {

mWifiManager.setWifiEnabled(false);

}

}

}

interface DisplayMesage {

void displayMesage(String msg);

void appendMesage(String msg);

}

interface ITransferResult {

void onResult(int result, long size);

}

class Receiver extends Thread {

private static BufferedReader in;

DisplayMesage console;

ITransferResult transferResult;

Receiver(DisplayMesage console, ITransferResult transferResult) {
super();
this.console = console;
this.transferResult = transferResult;

}

public void run() {
try {
ServerSocket socketService = new ServerSocket(3358);
Log.i("robin", "waiting a connection from the client" + socketService);
Socket sock = socketService.accept();
String hostAddress = sock.getLocalAddress().getHostAddress();
String inetAddress = sock.getInetAddress().getHostAddress();

Log.w("robin", "local:" + hostAddress + "| inetAddress" + inetAddress + "|" + sock.getRemoteSocketAddress());
Log.w("robin", "local name:" + sock.getLocalAddress().getHostName() + "| inetAddress"
+ sock.getInetAddress().getHostName() + "|" + InetAddress.getLocalHost().getHostAddress());
in = new BufferedReader(new InputStreamReader(sock.getInputStream()));
String line;
boolean flag = true;
long count = 0;
long time = System.currentTimeMillis();
do {
line = in.readLine();
if (flag) {
console.displayMesage("Recevie:" + line);
flag = false;
}
count = count + line.length();
if (count % 1024 == 0) {
console.displayMesage("Recevied:" + ((count << 1) >> 10) + "kB data");
}
} while (!Constant.END.equals(line));
Log.w("robin", "you input is :" + line);
long t = System.currentTimeMillis() - time;
if (t == 0)
t = 1;
count = count << 1;
long rate = ((count / t) * 1000) / 1024;
count = count >> 10;
console.displayMesage("Recevied:" + count + "kB data" + " in " + t + " ms" + " at rate:" + rate
+ " kB/second");
Log.i("robin", "exit the app");
sock.close();
socketService.close();
transferResult.onResult(1, count);
} catch (Exception e) {
e.printStackTrace();
}
}

}

class Sender extends Thread {

DisplayMesage console;

String serverIp;

ITransferResult transferResult;

Sender(String serverAddress, DisplayMesage console, ITransferResult transferResult) {
super();
serverIp = serverAddress;
this.console = console;
this.transferResult = transferResult;
}

public void run() {
Socket sock = null;
PrintWriter out;
try {

// 声明sock，其中参数为服务端的IP地址与自定义端口
sock = new Socket(serverIp, 3358);
Log.w("robin", "I am try to writer" + sock);
} catch (UnknownHostException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
char data[] = new char[1024 * 10];
for (int i = 0; i < data.length; i++) {
data[i] = (char) i;
}
try {
if (sock != null) {
// 声明输出流out，向服务端输出“Output Message！！”
final String msg = "Hello,this is robin!!";
Log.w("robin", "try to writer");
out = new PrintWriter(sock.getOutputStream(), true);
StringBuffer strBuffer = new StringBuffer();
strBuffer.append(msg);
String str = msg;
for (int i = 0; i < 1024; i++) {
if (i != 0) {
str = msg + System.currentTimeMillis() + "|";
out.write(data);
}

out.println(str);
Log.w("robin", str);
if (i == 0) {
console.displayMesage("send message....");
} else if (i % 100 == 0) {
console.displayMesage("send message " + i + " success!");
}
if (strBuffer.length() > 1024) {
strBuffer.delete(0, strBuffer.length());
}
}
out.println(Constant.END);
out.flush();
}
transferResult.onResult(1, 1);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

try {
if (sock != null) {
sock.close();
}
} catch (Exception ex) {
ex.printStackTrace();
}
}

}

WifiAdmin:

package edu.cdut.robin;

import java.util.List;

import java.util.Timer;

import java.util.TimerTask;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.content.IntentFilter;

import android.net.ConnectivityManager;

import android.net.NetworkInfo;

import android.net.NetworkInfo.DetailedState;

import android.net.wifi.ScanResult;

import android.net.wifi.WifiConfiguration;

import android.net.wifi.WifiInfo;

import android.net.wifi.WifiManager;

import android.net.wifi.WifiManager.WifiLock;

import android.util.Log;

public abstract class WifiAdmin {

private static final String TAG = "WifiAdmin";
private WifiManager mWifiManager;
//描述任意WiFi连接中活动的，或者是在进程中正在被创建的WiFi链接，函数好多是获取各种信息
private WifiInfo mWifiInfo;
//ScanResult用来描述检测到接入点的信息（直译为扫描结果）
// 扫描出的网络连接列表
private List<ScanResult> mWifiList;
//WiFiConfiguration一个代表配置的无线网络的类，包括安全配置，android最初不是必须支持这个功能
//里面大多数也是一些奇怪的字段
private List<WifiConfiguration> mWifiConfiguration;

private WifiLock mWifiLock;

private String mPasswd = "";
private String mSSID = "";

private Context mContext = null;

public WifiAdmin(Context context) {

mContext = context;

// 取得WifiManager对象
mWifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
// 取得WifiInfo对象
mWifiInfo = mWifiManager.getConnectionInfo();

Log.v(TAG, "getIpAddress = " + mWifiInfo.getIpAddress());
}

// 打开WIFI
public void openWifi() {
if (!mWifiManager.isWifiEnabled()) {
mWifiManager.setWifiEnabled(true);
}
}

// 关闭WIFI
public void closeWifi() {
if (mWifiManager.isWifiEnabled()) {
mWifiManager.setWifiEnabled(false);
}
}

public abstract Intent myRegisterReceiver(BroadcastReceiver receiver, IntentFilter filter);

public abstract void myUnregisterReceiver(BroadcastReceiver receiver);

public abstract void onNotifyWifiConnected();

public abstract void onNotifyWifiConnectFailed();

// 添加一个网络并连接
public void addNetwork(WifiConfiguration wcg) {

register();

WifiApAdmin.closeWifiAp(mContext);

int wcgID = mWifiManager.addNetwork(wcg);
boolean b = mWifiManager.enableNetwork(wcgID, true);
}

public static final int TYPE_NO_PASSWD = 0x11;
public static final int TYPE_WEP = 0x12;
public static final int TYPE_WPA = 0x13;

public void addNetwork(String ssid, String passwd, int type) {
if (ssid == null || passwd == null || ssid.equals("")) {
Log.e(TAG, "addNetwork() ## nullpointer error!");
return;
}

if (type != TYPE_NO_PASSWD && type != TYPE_WEP && type != TYPE_WPA) {
Log.e(TAG, "addNetwork() ## unknown type = " + type);
}

stopTimer();
unRegister();

addNetwork(createWifiInfo(ssid, passwd, type));
}

//获取广播信息
private BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {

@Override
public void onReceive(Context context, Intent intent) {
// TODO Auto-generated method stub
if (intent.getAction().equals(WifiManager.RSSI_CHANGED_ACTION)) {
Log.d(TAG, "RSSI changed");

//有可能是正在获取，或者已经获取了
Log.d(TAG, " intent is " + WifiManager.RSSI_CHANGED_ACTION);

if (isWifiContected(mContext) == WIFI_CONNECTED) {
stopTimer();
onNotifyWifiConnected();
unRegister();
} else if (isWifiContected(mContext) == WIFI_CONNECT_FAILED) {
stopTimer();
closeWifi();
onNotifyWifiConnectFailed();
unRegister();
} else if (isWifiContected(mContext) == WIFI_CONNECTING) {

}
}
}
};

private final int STATE_REGISTRING = 0x01;
private final int STATE_REGISTERED = 0x02;
private final int STATE_UNREGISTERING = 0x03;
private final int STATE_UNREGISTERED = 0x04;

private int mHaveRegister = STATE_UNREGISTERED;
private synchronized void register() {
Log.v(TAG, "register() ##mHaveRegister = " + mHaveRegister);

if (mHaveRegister == STATE_REGISTRING
|| mHaveRegister == STATE_REGISTERED) {
return ;
}

mHaveRegister = STATE_REGISTRING;
myRegisterReceiver(mBroadcastReceiver, new IntentFilter(WifiManager.RSSI_CHANGED_ACTION));
mHaveRegister = STATE_REGISTERED;

startTimer();
}

private synchronized void unRegister() {
Log.v(TAG, "unRegister() ##mHaveRegister = " + mHaveRegister);

if (mHaveRegister == STATE_UNREGISTERED
|| mHaveRegister == STATE_UNREGISTERING) {
return ;
}

mHaveRegister = STATE_UNREGISTERING;
myUnregisterReceiver(mBroadcastReceiver);
mHaveRegister = STATE_UNREGISTERED;
}

private Timer mTimer = null;
private void startTimer() {
if (mTimer != null) {
stopTimer();
}

mTimer = new Timer(true);

// mTimer.schedule(mTimerTask, 0, 20 * 1000);// 20s

mTimer.schedule(mTimerTask, 30 * 1000);

}

private TimerTask mTimerTask = new TimerTask() {

@Override
public void run() {
// TODO Auto-generated method stub
Log.e(TAG, "timer out!");
onNotifyWifiConnectFailed();
unRegister();
}
};

private void stopTimer() {
if (mTimer != null) {
mTimer.cancel();
mTimer = null;
}
}

@Override
protected void finalize() {
try {
super.finalize();
unRegister();
} catch (Throwable e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

public WifiConfiguration createWifiInfo(String SSID, String password, int type) {

Log.v(TAG, "SSID = " + SSID + "## Password = " + password + "## Type = " + type);

WifiConfiguration config = new WifiConfiguration();
config.allowedAuthAlgorithms.clear();
config.allowedGroupCiphers.clear();
config.allowedKeyManagement.clear();
config.allowedPairwiseCiphers.clear();
config.allowedProtocols.clear();
config.SSID = "\"" + SSID + "\"";

WifiConfiguration tempConfig = this.IsExsits(SSID);
if (tempConfig != null) {
mWifiManager.removeNetwork(tempConfig.networkId);
}

// 分为三种情况：1没有密码2用wep加密3用wpa加密
if (type == TYPE_NO_PASSWD) {// WIFICIPHER_NOPASS
config.wepKeys[0] = "";
config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE);
config.wepTxKeyIndex = 0;

} else if (type == TYPE_WEP) {  //  WIFICIPHER_WEP
config.hiddenSSID = true;
config.wepKeys[0] = "\"" + password + "\"";
config.allowedAuthAlgorithms
.set(WifiConfiguration.AuthAlgorithm.SHARED);
config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.CCMP);
config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP);
config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.WEP40);
config.allowedGroupCiphers
.set(WifiConfiguration.GroupCipher.WEP104);
config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE);
config.wepTxKeyIndex = 0;
} else if (type == TYPE_WPA) {   // WIFICIPHER_WPA
config.preSharedKey = "\"" + password + "\"";
config.hiddenSSID = true;
config.allowedAuthAlgorithms
.set(WifiConfiguration.AuthAlgorithm.OPEN);
config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP);
config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.WPA_PSK);
config.allowedPairwiseCiphers
.set(WifiConfiguration.PairwiseCipher.TKIP);
// config.allowedProtocols.set(WifiConfiguration.Protocol.WPA);
config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.CCMP);
config.allowedPairwiseCiphers
.set(WifiConfiguration.PairwiseCipher.CCMP);
config.status = WifiConfiguration.Status.ENABLED;
}

return config;
}

public static final int WIFI_CONNECTED = 0x01;
public static final int WIFI_CONNECT_FAILED = 0x02;
public static final int WIFI_CONNECTING = 0x03;
/**
* 判断wifi是否连接成功,不是network
*
* @param context
* @return
*/
public int isWifiContected(Context context) {
ConnectivityManager connectivityManager = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo wifiNetworkInfo = connectivityManager
.getNetworkInfo(ConnectivityManager.TYPE_WIFI);

Log.v(TAG, "isConnectedOrConnecting = " + wifiNetworkInfo.isConnectedOrConnecting());
Log.d(TAG, "wifiNetworkInfo.getDetailedState() = " + wifiNetworkInfo.getDetailedState());
if (wifiNetworkInfo.getDetailedState() == DetailedState.OBTAINING_IPADDR
|| wifiNetworkInfo.getDetailedState() == DetailedState.CONNECTING) {
return WIFI_CONNECTING;
} else if (wifiNetworkInfo.getDetailedState() == DetailedState.CONNECTED) {
return WIFI_CONNECTED;
} else {
Log.d(TAG, "getDetailedState() == " + wifiNetworkInfo.getDetailedState());
return WIFI_CONNECT_FAILED;
}
}

private WifiConfiguration IsExsits(String SSID) {
List<WifiConfiguration> existingConfigs = mWifiManager.getConfiguredNetworks();
for (WifiConfiguration existingConfig : existingConfigs) {
if (existingConfig.SSID.equals("\"" + SSID + "\"") /*&& existingConfig.preSharedKey.equals("\"" + password + "\"")*/) {
return existingConfig;
}
}
return null;
}

// 断开指定ID的网络
public void disconnectWifi(int netId) {
mWifiManager.disableNetwork(netId);
mWifiManager.disconnect();
}

// 检查当前WIFI状态
public int checkState() {
return mWifiManager.getWifiState();
}

// 锁定WifiLock
public void acquireWifiLock() {
mWifiLock.acquire();
}

// 解锁WifiLock
public void releaseWifiLock() {
// 判断时候锁定
if (mWifiLock.isHeld()) {
mWifiLock.acquire();
}
}

// 创建一个WifiLock
public void creatWifiLock() {
mWifiLock = mWifiManager.createWifiLock("Test");
}

// 得到配置好的网络
public List<WifiConfiguration> getConfiguration() {
return mWifiConfiguration;
}

// 指定配置好的网络进行连接
public void connectConfiguration(int index) {
// 索引大于配置好的网络索引返回
if (index > mWifiConfiguration.size()) {
return;
}
// 连接配置好的指定ID的网络
mWifiManager.enableNetwork(mWifiConfiguration.get(index).networkId,
true);
}

public void startScan() {
mWifiManager.startScan();
mWifiList = mWifiManager.getScanResults();
mWifiConfiguration = mWifiManager.getConfiguredNetworks();
}

// 得到网络列表
public List<ScanResult> getWifiList() {
return mWifiList;
}

// 查看扫描结果
public StringBuilder lookUpScan() {
StringBuilder stringBuilder = new StringBuilder();
for (int i = 0; i < mWifiList.size(); i++) {
stringBuilder
.append("Index_" + new Integer(i + 1).toString() + ":");
// 将ScanResult信息转换成一个字符串包
// 其中把包括：BSSID、SSID、capabilities、frequency、level
stringBuilder.append((mWifiList.get(i)).toString());
stringBuilder.append("/n");
}
return stringBuilder;
}

// 得到MAC地址
public String getMacAddress() {
return (mWifiInfo == null) ? "NULL" : mWifiInfo.getMacAddress();
}

// 得到接入点的BSSID
public String getBSSID() {
return (mWifiInfo == null) ? "NULL" : mWifiInfo.getBSSID();
}

// 得到IP地址
public int getIPAddress() {
return (mWifiInfo == null) ? 0 : mWifiInfo.getIpAddress();
}

// 得到连接的ID
public int getNetworkId() {
return (mWifiInfo == null) ? 0 : mWifiInfo.getNetworkId();
}

// 得到WifiInfo的所有信息包
public String getWifiInfo() {
return (mWifiInfo == null) ? "NULL" : mWifiInfo.toString();
}

}

WifiApAdimin:

package edu.cdut.robin;

import java.lang.reflect.InvocationTargetException;

import java.lang.reflect.Method;

import java.util.Timer;

import java.util.TimerTask;

import android.content.Context;

import android.net.wifi.WifiConfiguration;

import android.net.wifi.WifiManager;

import android.util.Log;

/**

* 创建热点

*

*/

public class WifiApAdmin {

public static final String TAG = “WifiApAdmin”;

public static void closeWifiAp(Context context) {
WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
closeWifiAp(wifiManager);
}

private WifiManager mWifiManager = null;

private Context mContext = null;
public WifiApAdmin(Context context) {
mContext = context;

mWifiManager = (WifiManager) mContext.getSystemService(Context.WIFI_SERVICE);

closeWifiAp(mWifiManager);
}

private String mSSID = "";
private String mPasswd = "";
public void startWifiAp(String ssid, String passwd) {
mSSID = ssid;
mPasswd = passwd;

if (mWifiManager.isWifiEnabled()) {
mWifiManager.setWifiEnabled(false);
}

stratWifiAp();

MyTimerCheck timerCheck = new MyTimerCheck() {

@Override
public void doTimerCheckWork() {
// TODO Auto-generated method stub

if (isWifiApEnabled(mWifiManager)) {
Log.v(TAG, "Wifi enabled success!");
this.exit();
} else {
Log.v(TAG, "Wifi enabled failed!");
}
}

@Override
public void doTimeOutWork() {
// TODO Auto-generated method stub
this.exit();
}
};
timerCheck.start(15, 1000);

}

public void stratWifiAp() {
Method method1 = null;
try {
method1 = mWifiManager.getClass().getMethod("setWifiApEnabled",
WifiConfiguration.class, boolean.class);
WifiConfiguration netConfig = new WifiConfiguration();

netConfig.SSID = mSSID;
netConfig.preSharedKey = mPasswd;

netConfig.allowedAuthAlgorithms
.set(WifiConfiguration.AuthAlgorithm.OPEN);
netConfig.allowedProtocols.set(WifiConfiguration.Protocol.RSN);
netConfig.allowedProtocols.set(WifiConfiguration.Protocol.WPA);
netConfig.allowedKeyManagement
.set(WifiConfiguration.KeyMgmt.WPA_PSK);
netConfig.allowedPairwiseCiphers
.set(WifiConfiguration.PairwiseCipher.CCMP);
netConfig.allowedPairwiseCiphers
.set(WifiConfiguration.PairwiseCipher.TKIP);
netConfig.allowedGroupCiphers
.set(WifiConfiguration.GroupCipher.CCMP);
netConfig.allowedGroupCiphers
.set(WifiConfiguration.GroupCipher.TKIP);

method1.invoke(mWifiManager, netConfig, true);

} catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalAccessException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (InvocationTargetException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (NoSuchMethodException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

private static void closeWifiAp(WifiManager wifiManager) {
if (isWifiApEnabled(wifiManager)) {
try {
Method method = wifiManager.getClass().getMethod("getWifiApConfiguration");
method.setAccessible(true);

WifiConfiguration config = (WifiConfiguration) method.invoke(wifiManager);

Method method2 = wifiManager.getClass().getMethod("setWifiApEnabled", WifiConfiguration.class, boolean.class);
method2.invoke(wifiManager, config, false);
} catch (NoSuchMethodException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalAccessException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (InvocationTargetException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}

private static boolean isWifiApEnabled(WifiManager wifiManager) {
try {
Method method = wifiManager.getClass().getMethod("isWifiApEnabled");
method.setAccessible(true);
return (Boolean) method.invoke(wifiManager);

} catch (NoSuchMethodException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}

return false;
}

}

Constant:

package edu.cdut.robin;

/**

* 此类为一个常量值类

* */

public class Constant {

public final static String END=”end”;

//热点的名称

public final static String HOST_SPOT_SSID=”HotSpotRobin”;

//WiFi热点的密码

public final static String HOST_SPOT_PASS_WORD=”123456789”;

}