Android自动开启\连接WIFI热点

 
package wifi.manage;

public class WIFIInformation
{
	public final static String END = "end";
	public final static String HOST_SPOT_SSID = "WIFI SOCKET";
	public final static String HOST_SPOT_PASS_WORD = "12346789";
}

WiFi信息设置。

package wifi.manage;

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;
	
	private WifiInfo mWifiInfo;
	// 扫描出的网络连接列表
	private List mWifiList;
	
	private List mWifiConfiguration;
	//wifi 锁，阻止wifi进去休眠状态
	private WifiLock mWifiLock;

	
	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);
	}

	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.w(TAG, "addNetwork() ## unknown type = " + type);
		}

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

	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, 1000, 2000);
		Log.w(TAG, "timer Run!");
	}

	private TimerTask mTimerTask = new TimerTask() {

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

	private void stopTimer() {
		if (mTimer != null) 
		{
			mTimer.cancel();
			mTimer = null;
		}
		Log.w(TAG, "Run StopTimer!");
	}

	@Override
	protected void finalize() {
		try {
			super.finalize();
			unRegister();
		} catch (Throwable e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
	
	
	
	/*创建wifi信息*/
	public WifiConfiguration createWifiInfo(String SSID, String password, int type) {

		Log.v(TAG, "SSID = " + SSID + "## Password = " + password + "## Type = " + type);
                
		WifiConfiguration config = new WifiConfiguration();
		//判断加密方法
		config.allowedAuthAlgorithms.clear();
		//获取使用GroupCipher 的方法来进行加密
		config.allowedGroupCiphers.clear();
		config.allowedKeyManagement.clear();
		//使用Wpa进行加密
		config.allowedPairwiseCiphers.clear();
		//获取协议加密
		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;
		} 
		Log.w(TAG, "CreatWifiInfoAP!");
		return config;
	}

	public static final int WIFI_CONNECTED = 0x01;
	public static final int WIFI_CONNECT_FAILED = 0x02;
	public static final int WIFI_CONNECTING = 0x03;

	
	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) {

				}
			}
		}
	};
	
	/*判断wifi是否连接*/
	
	/*判断wifi是否连接成功*/
	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;
		}
	}

	/*判断wifi是否存在*/
	private WifiConfiguration IsExsits(String SSID) {
		List existingConfigs = mWifiManager.getConfiguredNetworks();
		if(existingConfigs!=null){
			for (WifiConfiguration existingConfig : existingConfigs) {
				if (existingConfig.SSID.equals("\"" + SSID + "\"") /*&& existingConfig.preSharedKey.equals("\"" + password + "\"")*/) {
					return existingConfig;
				}
			}
			System.out.println("[WifiAdmin] IsExsits existingConfigs!=null");
		}
		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，给wifi释放锁
	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();
	}
}

package wifi.manage;


import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

import wifi.transfer.TimerCheck;

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();

		TimerCheck timerCheck = new TimerCheck() {

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

				if (isWifiApEnabled(mWifiManager)) {
					this.exit();
				} else {
				}
			}

			@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);
			//用WPA方式保护
			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();
			}
			Log.w(TAG, "执行CloseWifiAp成功!!!");
		}
	}

	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();
		}
		Log.w(TAG, "执行iswifiapenabled成功!!!");
		return false;
	}

}