Android(安卓)Wifi Hotspot Manager Class

http://www.whitebyte.info/android/android-wifi-hotspot-manager-class

package com.whitebyte.wifihotspotutils; import java.io.BufferedReader;import java.io.FileReader;import java.io.IOException;import java.lang.reflect.Method;import java.net.InetAddress;import java.util.ArrayList; import android.content.Context;import android.net.wifi.WifiConfiguration;import android.net.wifi.WifiManager;import android.util.Log; public class WifiApManager {    private final WifiManager mWifiManager;     public WifiApManager(Context context) {        mWifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);    }     /**     * Start AccessPoint mode with the specified     * configuration. If the radio is already running in     * AP mode, update the new configuration     * Note that starting in access point mode disables station     * mode operation     * @param wifiConfig SSID, security and channel details as part of WifiConfiguration     * @return {@code true} if the operation succeeds, {@code false} otherwise     */    public boolean setWifiApEnabled(WifiConfiguration wifiConfig, boolean enabled) {        try {            if (enabled) { // disable WiFi in any case                mWifiManager.setWifiEnabled(false);            }             Method method = mWifiManager.getClass().getMethod("setWifiApEnabled", WifiConfiguration.class, boolean.class);            return (Boolean) method.invoke(mWifiManager, wifiConfig, enabled);        } catch (Exception e) {            Log.e(this.getClass().toString(), "", e);            return false;        }    }     /**     * Gets the Wi-Fi enabled state.     * @return {@link WIFI_AP_STATE}     * @see #isWifiApEnabled()     */    public WIFI_AP_STATE getWifiApState() {        try {            Method method = mWifiManager.getClass().getMethod("getWifiApState");             int tmp = ((Integer)method.invoke(mWifiManager));             // Fix for Android 4            if (tmp > 10) {                tmp = tmp - 10;            }             return WIFI_AP_STATE.class.getEnumConstants()[tmp];        } catch (Exception e) {            Log.e(this.getClass().toString(), "", e);            return WIFI_AP_STATE.WIFI_AP_STATE_FAILED;        }    }     /**     * Return whether Wi-Fi AP is enabled or disabled.     * @return {@code true} if Wi-Fi AP is enabled     * @see #getWifiApState()     *     * @hide Dont open yet     */    public boolean isWifiApEnabled() {        return getWifiApState() == WIFI_AP_STATE.WIFI_AP_STATE_ENABLED;    }     /**     * Gets the Wi-Fi AP Configuration.     * @return AP details in {@link WifiConfiguration}     */    public WifiConfiguration getWifiApConfiguration() {        try {            Method method = mWifiManager.getClass().getMethod("getWifiApConfiguration");            return (WifiConfiguration) method.invoke(mWifiManager);        } catch (Exception e) {            Log.e(this.getClass().toString(), "", e);            return null;        }    }     /**     * Sets the Wi-Fi AP Configuration.     * @return {@code true} if the operation succeeded, {@code false} otherwise     */    public boolean setWifiApConfiguration(WifiConfiguration wifiConfig) {        try {            Method method = mWifiManager.getClass().getMethod("setWifiApConfiguration", WifiConfiguration.class);            return (Boolean) method.invoke(mWifiManager, wifiConfig);        } catch (Exception e) {            Log.e(this.getClass().toString(), "", e);            return false;        }    }     /**     * Gets a list of the clients connected to the Hotspot, reachable timeout is 300     * @param onlyReachables {@code false} if the list should contain unreachable (probably disconnected) clients, {@code true} otherwise     * @return ArrayList of {@link ClientScanResult}     */    public ArrayList<ClientScanResult> getClientList(boolean onlyReachables) {        return getClientList(onlyReachables, 300);    }     /**     * Gets a list of the clients connected to the Hotspot      * @param onlyReachables {@code false} if the list should contain unreachable (probably disconnected) clients, {@code true} otherwise     * @param reachableTimeout Reachable Timout in miliseconds     * @return ArrayList of {@link ClientScanResult}     */    public ArrayList<ClientScanResult> getClientList(boolean onlyReachables, int reachableTimeout) {        BufferedReader br = null;        ArrayList<ClientScanResult> result = null;         try {            result = new ArrayList<ClientScanResult>();            br = new BufferedReader(new FileReader("/proc/net/arp"));            String line;            while ((line = br.readLine()) != null) {                String[] splitted = line.split(" +");                 if ((splitted != null) && (splitted.length >= 4)) {                    // Basic sanity check                    String mac = splitted[3];                     if (mac.matches("..:..:..:..:..:..")) {                        boolean isReachable = InetAddress.getByName(splitted[0]).isReachable(reachableTimeout);                         if (!onlyReachables || isReachable) {                            result.add(new ClientScanResult(splitted[0], splitted[3], splitted[5], isReachable));                        }                    }                }            }        } catch (Exception e) {            Log.e(this.getClass().toString(), e.getMessage());        } finally {            try {                br.close();            } catch (IOException e) {                Log.e(this.getClass().toString(), e.getMessage());            }        }         return result;    }}

http://xiaxingwork.iteye.com/blog/1727722

以下基于android ics系统

Android AP接口属性为@hide，不对外开放，但通过revoke机制调用到。

Ap的几个重要接口

getWifiApState

setWifiApEnabled

getWifiApConfiguration

isWifiApEnabled

package com.lenovo.channel.method.ap.hotspot;import java.lang.reflect.Field;import java.lang.reflect.Method;import java.util.HashMap;import java.util.Map;import android.net.wifi.WifiConfiguration;import android.net.wifi.WifiManager;import android.os.Build;import com.lenovo.channel.method.ap.hotspot.Hotspot.WifiApState;import com.lenovo.common.BeanUtils;import com.lenovo.common.Logger;class WifiApManager {    private static final String tag = "WifiApManager";    private static final String METHOD_GET_WIFI_AP_STATE = "getWifiApState";    private static final String METHOD_SET_WIFI_AP_ENABLED = "setWifiApEnabled";    private static final String METHOD_GET_WIFI_AP_CONFIG = "getWifiApConfiguration";    private static final String METHOD_IS_WIFI_AP_ENABLED = "isWifiApEnabled";    private static final Map<String, Method> methodMap = new HashMap<String, Method>();    private static Boolean mIsSupport;    private static boolean mIsHtc;    public synchronized static final boolean isSupport() {        if (mIsSupport != null) {            return mIsSupport;        }        boolean result = Build.VERSION.SDK_INT > Build.VERSION_CODES.FROYO;        if (result) {            try {                Field field = WifiConfiguration.class.getDeclaredField("mWifiApProfile");                mIsHtc = field != null;            } catch (Exception e) {            }        }        if (result) {            try {                String name = METHOD_GET_WIFI_AP_STATE;                Method method = WifiManager.class.getMethod(name);                methodMap.put(name, method);                result = method != null;            } catch (SecurityException e) {                Logger.e(tag, "SecurityException", e);            } catch (NoSuchMethodException e) {                Logger.e(tag, "NoSuchMethodException", e);            }        }                if (result) {            try {                String name = METHOD_SET_WIFI_AP_ENABLED;                Method method = WifiManager.class.getMethod(name, WifiConfiguration.class, boolean.class);                methodMap.put(name, method);                result = method != null;            } catch (SecurityException e) {                Logger.e(tag, "SecurityException", e);            } catch (NoSuchMethodException e) {                Logger.e(tag, "NoSuchMethodException", e);            }        }        if (result) {            try {                String name = METHOD_GET_WIFI_AP_CONFIG;                Method method = WifiManager.class.getMethod(name);                methodMap.put(name, method);                result = method != null;            } catch (SecurityException e) {                Logger.e(tag, "SecurityException", e);            } catch (NoSuchMethodException e) {                Logger.e(tag, "NoSuchMethodException", e);            }        }        if (result) {            try {                String name = getSetWifiApConfigName();                Method method = WifiManager.class.getMethod(name, WifiConfiguration.class);                methodMap.put(name, method);                result = method != null;            } catch (SecurityException e) {                Logger.e(tag, "SecurityException", e);            } catch (NoSuchMethodException e) {                Logger.e(tag, "NoSuchMethodException", e);            }        }        if (result) {            try {                String name = METHOD_IS_WIFI_AP_ENABLED;                Method method = WifiManager.class.getMethod(name);                methodMap.put(name, method);                result = method != null;            } catch (SecurityException e) {                Logger.e(tag, "SecurityException", e);            } catch (NoSuchMethodException e) {                Logger.e(tag, "NoSuchMethodException", e);            }        }        mIsSupport = result;        return isSupport();    }    private final WifiManager mWifiManager;    WifiApManager(WifiManager manager) {        if (!isSupport()) {            throw new RuntimeException("Unsupport Ap!");        }        Logger.i(tag, "Build.BRAND -----------> " + Build.BRAND);                mWifiManager = manager;    }    public WifiManager getWifiManager() {        return mWifiManager;    }    public int getWifiApState() {        try {            Method method = methodMap.get(METHOD_GET_WIFI_AP_STATE);            return (Integer) method.invoke(mWifiManager);        } catch (Exception e) {            Logger.e(tag, e.getMessage(), e);        }        return WifiApState.WIFI_AP_STATE_UNKWON;    }        private WifiConfiguration getHtcWifiApConfiguration(WifiConfiguration standard){        WifiConfiguration htcWifiConfig = standard;        try {            Object mWifiApProfileValue = BeanUtils.getFieldValue(standard, "mWifiApProfile");            if (mWifiApProfileValue != null) {                htcWifiConfig.SSID = (String)BeanUtils.getFieldValue(mWifiApProfileValue, "SSID");            }        } catch (Exception e) {            Logger.e(tag, "" + e.getMessage(), e);        }        return htcWifiConfig;    }    public WifiConfiguration getWifiApConfiguration() {        WifiConfiguration configuration = null;        try {            Method method = methodMap.get(METHOD_GET_WIFI_AP_CONFIG);            configuration = (WifiConfiguration) method.invoke(mWifiManager);            if(isHtc()){                configuration = getHtcWifiApConfiguration(configuration);            }        } catch (Exception e) {            Logger.e(tag, e.getMessage(), e);        }        return configuration;    }    public boolean setWifiApConfiguration(WifiConfiguration netConfig) {        boolean result = false;        try {            if (isHtc()) {                setupHtcWifiConfiguration(netConfig);            }            Method method = methodMap.get(getSetWifiApConfigName());            Class<?>[] params = method.getParameterTypes();            for (Class<?> clazz : params) {                Logger.i(tag, "param -> " + clazz.getSimpleName());            }            if (isHtc()) {                int rValue = (Integer) method.invoke(mWifiManager, netConfig);                Logger.i(tag, "rValue -> " + rValue);                result = rValue > 0;            } else {                result = (Boolean) method.invoke(mWifiManager, netConfig);            }        } catch (Exception e) {            Logger.e(tag, "", e);        }        return result;    }        public boolean setWifiApEnabled(WifiConfiguration configuration, boolean enabled) {        boolean result = false;        try {            Method method = methodMap.get(METHOD_SET_WIFI_AP_ENABLED);            result = (Boolean)method.invoke(mWifiManager, configuration, enabled);        } catch (Exception e) {            Logger.e(tag, e.getMessage(), e);        }        return result;    }    public boolean isWifiApEnabled() {        boolean result = false;        try {            Method method = methodMap.get(METHOD_IS_WIFI_AP_ENABLED);            result = (Boolean)method.invoke(mWifiManager);        } catch (Exception e) {            Logger.e(tag, e.getMessage(), e);        }        return result;    }    private void setupHtcWifiConfiguration(WifiConfiguration config) {        try {            Logger.d(tag, "config=  " + config);            Object mWifiApProfileValue = BeanUtils.getFieldValue(config, "mWifiApProfile");            if (mWifiApProfileValue != null) {                BeanUtils.setFieldValue(mWifiApProfileValue, "SSID", config.SSID);                BeanUtils.setFieldValue(mWifiApProfileValue, "BSSID", config.BSSID);                BeanUtils.setFieldValue(mWifiApProfileValue, "secureType", "open");                BeanUtils.setFieldValue(mWifiApProfileValue, "dhcpEnable", 1);            }        } catch (Exception e) {            Logger.e(tag, "" + e.getMessage(), e);        }    }        public static boolean isHtc() {        return mIsHtc;    }        private static String getSetWifiApConfigName() {        return mIsHtc? "setWifiApConfig": "setWifiApConfiguration";    }}

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