HTC Android Hotspot 热点配置 之DHCP（包括如何让其它手机连接上去）
最近在研究手机热点的建立。HTC手机比较坑爹，首先一个，是不能按常规的办法修改 SSID, BSSID,
在网上搜了下，有篇博客把这个问题解决了，请参考：http://blog.csdn.net/mengweiqi33/article/details/8494441
然后就发现HTC手机热点是建好了，但是其他手机去连它，怎么也连不上，后来发现，使用静态IP能解决这个问题，但太麻烦了。
研究了下通过手动配置HTC的WiFi热点程序 com.htc.WiFiRouter 里面有一个Local DHCP的配置,把它勾上就能自动获取IP。
但要怎么样用代码实现呢这下坑爹了。
研究了半天，还是只有把HTC独有的类给它全部dump出来，代码如下
- public void dumpHTCWifiFunction2(){
- Log.e(TAG, "dumpHTCWifiFunction2++");
- // Method[] classMethods = null;
- Field localField1;
- Field[] fieldlist;
- WifiConfiguration apConfig = new WifiConfiguration();
- try {
- localField1 = WifiConfiguration.class.getDeclaredField("mWifiApProfile");
- localField1.setAccessible(true);
- Object localObject2 = localField1.get(apConfig);
- localField1.setAccessible(false);
- if(localObject2!=null){
- fieldlist = localObject2.getClass().getDeclaredFields();
- for (int i = 0;i < fieldlist.length; i++)
- {
- Log.e(TAG, "found api: "+ fieldlist[i].getName());
- }
- }
- } catch (NoSuchFieldException 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();
- }
- Log.e(TAG, "dumpHTCWifiFunction2--");
- }
12-28 11:06:29.956: E/MainActivity(3253): dumpHTCWifiFunction2++
12-28 11:06:29.966: E/MainActivity(3253): found api: DEFAULT_DHCP_MAX_AP_CONNECTION
12-28 11:06:29.966: E/MainActivity(3253): found api: DEFAULT_MAX_AP_CONNECTION
12-28 11:06:29.976: E/MainActivity(3253): found api: DHCP_MAX_AP_CONNECTION
12-28 11:06:29.976: E/MainActivity(3253): found api: MAX_AP_CONNECTION
12-28 11:06:29.976: E/MainActivity(3253): found api: OPEN
12-28 11:06:29.976: E/MainActivity(3253): found api: WEP
12-28 11:06:29.986: E/MainActivity(3253): found api: WPA
12-28 11:06:29.986: E/MainActivity(3253): found api: WPA2
12-28 11:06:29.986: E/MainActivity(3253): found api: BSSID
12-28 11:06:29.996: E/MainActivity(3253): found api: SSID
12-28 11:06:29.996: E/MainActivity(3253): found api: blocklist
12-28 11:06:29.996: E/MainActivity(3253): found api: whitelist
12-28 11:06:29.996: E/MainActivity(3253): found api: this$0
12-28 11:06:30.006: E/MainActivity(3253): found api: startingIP
12-28 11:06:30.006: E/MainActivity(3253): found api: dhcpSubnetMask
12-28 11:06:30.016: E/MainActivity(3253): found api: dnsIPAddr1
12-28 11:06:30.016: E/MainActivity(3253): found api: dnsIPAddr2
12-28 11:06:30.016: E/MainActivity(3253): found api: secureType
12-28 11:06:30.016: E/MainActivity(3253): found api: key
12-28 11:06:30.016: E/MainActivity(3253): found api: ipAddress
12-28 11:06:30.016: E/MainActivity(3253): found api: hiddenSSID
12-28 11:06:30.016: E/MainActivity(3253): found api: maxConns
12-28 11:06:30.016: E/MainActivity(3253): found api: maxDhcpClients
12-28 11:06:30.026: E/MainActivity(3253): found api: enableMacFilter
12-28 11:06:30.026: E/MainActivity(3253): found api: sleepPolicy
12-28 11:06:30.026: E/MainActivity(3253): found api: dhcpEnable
12-28 11:06:30.026: E/MainActivity(3253): found api: connectionArray
12-28 11:06:30.026: E/MainActivity(3253): found api: channel
12-28 11:06:30.026: E/MainActivity(3253): dumpHTCWifiFunction2--
发现了 dhcpEnable 这个成员变量，刚开始猜它是boolean变量，但错了，在设置的时候会发生错误。
干脆把它的类型也打印出来吧，打印语句改为：
Log.e(TAG, "found api: "+ fieldlist[i].getName()+" type:"+fieldlist[i].toString());
found api: dhcpEnable type:public int android.net.wifi.WifiConfiguration$HotspotProfile.dhcpEnable
原来它是int型变量,估且猜它是1为enable. 设置之后，果然可以。
完整代码如下：
- private boolean setWifiSSIDForHTC(WifiConfiguration apConfig) {
- boolean successed = true;
- // WifiConfiguration mnetConfig = new WifiConfiguration();
- Field localField1;
- try {
- localField1 = WifiConfiguration.class.getDeclaredField("mWifiApProfile");
- localField1.setAccessible(true);
- Object localObject2 = localField1.get(apConfig);
- localField1.setAccessible(false);
- if(localObject2!=null){
- Field localField5 = localObject2.getClass().getDeclaredField("SSID");
- localField5.setAccessible(true);
- localField5.set(localObject2, apConfig.SSID);// netConfig.SSID);
- localField5.setAccessible(false);
- Field localField4 = localObject2.getClass().getDeclaredField("BSSID");
- localField4.setAccessible(true);
- localField4.set(localObject2, apConfig.BSSID);//netConfig.BSSID);
- localField4.setAccessible(false);
- Field localField6 = localObject2.getClass().getDeclaredField("dhcpEnable");
- localField6.setAccessible(true);
- // localField6.set(localObject2, "true");//netConfig.BSSID);
- localField6.setInt(localObject2, 1);
- localField6.setAccessible(false);
- }
- } catch(Exception e) {
- e.printStackTrace();
- }
- return successed;
- }