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这里,我给出一个函数
1 public boolean sale_connect_check(WifiConfiguration wcg,Context context) {
2 boolean judge_2 = false;//二重判断的布尔变量
3 int wcgID = wifiManager.addNetwork(wcg);//获取所曾网络id
4 boolean judge = wifiManager.enableNetwork(wcgID, true);//就行操作,注意,网上很多连wifi的demo,最后都是用它连的
5 //这里要说明一下,即使返回式true,它也不一定会连上,它只会进行去连wifi的操作
6 try{
7 Log.d("tag","before sleep here");
8 Thread.sleep(4000);//线程暂停 4 秒,因为链接wifi是一个过程,我们要给上面的操作时间去做连接
9 ConnectivityManager connectivityManager = (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);
10 NetworkInfo wifiNetworkInfo = connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
11 if(wifiNetworkInfo.isConnected()) {//此时,在这里再判断,是否连接上了,如果4秒不够,自己设置
12 Log.d("tag","is do connect");
13 judge_2 = true ;//
14 }
15 }catch (Exception e){
16 Log.d("tag",e.toString());
17 }
18 save_check_sale_judge = judge && judge_2;//2个都是true
19 return save_check_sale_judge;//连接上了
20 }
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