Android利用反射获取WLAN热点信息

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

private static final String TAG = "wifiHelper";
private WifiManager mWifiManager = null;

//判断WLAN状态是否开启
public boolean isWifiApOn() {
Method method = null;
int i = 0;
try {
method = mWifiManager.getClass().getMethod("getWifiApState");
} catch (NoSuchMethodException e) {
e.printStackTrace();
}
try {
i = (Integer) method.invoke(mWifiManager);
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
}

Log.i(TAG, "wifi sharing state -> " + i);
// 10---正在关闭；11---已关闭；12---正在开启；13---已开启
return i == 13;
}
//设置WLAN状态
public boolean setWifiApEnabled(boolean enabled) {
Method method = null, configMethod = null;
boolean result = false;
if (mWifiManager == null) {
Log.i(TAG, "mWifiManager is null  -> " + result);
return result;
}
try {
configMethod = mWifiManager.getClass().getMethod("getWifiApConfiguration");
method = mWifiManager.getClass().getMethod("setWifiApEnabled", WifiConfiguration.class, boolean.class);
} catch (Exception e) {
e.printStackTrace();
}
try {
WifiConfiguration apConfig = (WifiConfiguration) configMethod.invoke(mWifiManager);
result = (boolean) method.invoke(mWifiManager, new Object[]{apConfig, enabled});
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
}
Log.i(TAG, "setWifiApEnabled -> " + result);
return result;
}

//获取WLAN ＳＳＩＤ
public String getWifiApSSID() {
Method method = null;
String SSID = null;
try {
method = mWifiManager.getClass().getMethod("getWifiApConfiguration");
} catch (Exception e) {
e.printStackTrace();
}
try {
WifiConfiguration apConfig = (WifiConfiguration) method.invoke(mWifiManager);
SSID = apConfig.SSID;
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
Log.i(TAG, "getWifiApSSID -> " + SSID);
return SSID;
}

//获取WLAN　密码
public String getWifiApSharedKey() {
Method method = null;
String SharedKey = null;
try {
method = mWifiManager.getClass().getMethod("getWifiApConfiguration");
} catch (Exception e) {
e.printStackTrace();
}
try {
WifiConfiguration apConfig = (WifiConfiguration) method.invoke(mWifiManager);
SharedKey = apConfig.preSharedKey;
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
return SharedKey;
}