public abstract class WifiAdmin {
private static final String TAG ="Show";
private WifiManager mWifiManager;
private WifiInfo mWifiInfo;
// 扫描出的网络连接列表
private List mWifiList;
private List 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));
}
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 existingConfigs = mWifiManager.getConfiguredNetworks();
if(existingConfigs ==null)return null;
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 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 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();
}
}