HTC Android Hotspot 热点配置 之DHCP

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.sina.com.cn/s/blog_adc221ac01011mrs.html


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;
	}



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