WifiManager自动连接wifi接入点

冷不防 2022-06-18 03:53 137阅读 0赞

1.  /\*\* 
2.   \*  
3.   \* wifi管理类 
4.   \*  
5.   \*  
6.   \*/  
7.  **public** **class** WifiOperator  
8.  \{  
9.      /\*\* 
10.      \* wifiManager 
11.      \*/  
12.     **private** WifiManager wm;  
13.       
14.     /\*\* 
15.      \* 上下文 
16.      \*/  
17.     **private** Context mContext;  
18.       
19.     /\*\* 
20.      \* 数据库配置信息 
21.      \*/  
22.     **private** NetworkConfigDbHelper configDBHelper;  
23.       
24.     /\*\* 
25.      \* <默认构造函数> 
26.      \* @param context 上下文 
27.      \*/  
28.     **public** WifiOperator(Context context)  
29.     \{  
30.         mContext = context;  
31.         wm = (WifiManager)mContext.getApplicationContext().getSystemService(Context.WIFI\_SERVICE);  
32.         configDBHelper = **new** NetworkConfigDbHelper(context);  
33.     \}  
34.       
35.     /\*\* 
36.      \* 切换网络 
37.      \* @param type 网络类型(1为中心网络 2 为车载网络) 
38.      \* @return 结果码 -1-本地设置为空；0-连接成功；1-已经为当前连接 
39.      \* @see \[类、类\#方法、类\#成员\] 
40.      \*/  
41.     **public** **int** access2Wifi(String type)  
42.     \{  
43.         // 获取本地的网络配置信息  
44.         NetworkConfigBean setting = configDBHelper.getNetworkConfigBySettingType(type).get(type);  
45.         **if** (setting == **null**)  
46.         \{  
47.             // 本地设置为空  
48.             **return** -1;  
49.         \}  
50.           
51.         // 无线未打开时，开启无线  
52.         **if** (!wm.isWifiEnabled() && WifiManager.WIFI\_STATE\_ENABLING != wm.getWifiState())  
53.         \{  
54.             wm.setWifiEnabled(**true**);  
55.         \}  
56.         // 获取本地的配置信息  
57.         String sSSID = "\\"" + setting.getSsid() + "\\"";  
58.         String sKey = "\\"" + setting.getPassword() + "\\"";  
59.         **int** encryptionType = getKeyMgmtType(setting.getEncryptionType());  
60.           
61.         List<WifiConfiguration> configurations = wm.getConfiguredNetworks();  
62.         WifiConfiguration config = **null**;  
63.         **boolean** isExisted = **false**;  
64.         **int** networkId = -1;  
65.         **for** (**int** i = configurations.size() - 1; i >= 0; i--)  
66.         \{  
67.             config = configurations.get(i);  
68.             **if** (config.SSID.equals(sSSID))  
69.             \{  
70.                 networkId = config.networkId;  
71.                 isExisted = **true**;  
72.                 **break**;  
73.             \}  
74.         \}  
75.         **if** (!isExisted)  
76.         \{  
77.             // 安全类型 无、WEP(128)、WPA(TKIP)、WPA2(AES)  
78.             config = **new** WifiConfiguration();  
79.             // 名称  
80.             config.SSID = sSSID;  
81.             config.allowedKeyManagement.set(encryptionType);  
82.             **if** (encryptionType != 0)  
83.             \{  
84.                 // 密码  
85.                 config.preSharedKey = sKey;  
86.             \}  
87.             config.hiddenSSID = **false**;  
88.               
89.             config.priority = 30;  
90.             config.status = WifiConfiguration.Status.ENABLED;  
91.             config.allowedAuthAlgorithms.set(WifiConfiguration.AuthAlgorithm.OPEN);  
92.               
93.             config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.CCMP);  
94.             config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP);  
95.             config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.WEP104);  
96.             config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.WEP40);  
97.               
98.             config.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.TKIP);  
99.             config.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.CCMP);  
100.             config.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.NONE);  
101.               
102.             config.allowedProtocols.set(WifiConfiguration.Protocol.WPA);  
103.             // 必须添加，否则无线路由无法连接  
104.             config.allowedProtocols.set(WifiConfiguration.Protocol.RSN);  
105.               
106.             networkId = wm.addNetwork(config);  
107.             **if** (networkId != -1)  
108.             \{  
109.                 wm.saveConfiguration();  
110.             \}  
111.         \}  
112.         **else**  
113.         \{  
114.             // 获取当前的wifi连接  
115.             WifiInfo curConnection = wm.getConnectionInfo();  
116.             **if** (curConnection != **null** && sSSID.equals(curConnection.getSSID()))  
117.             \{  
118.                 // 已经是当前连接  
119.                 **return** 1;  
120.             \}  
121.               
122.             config.allowedKeyManagement.set(encryptionType);  
123.             **if** (encryptionType != 0)  
124.             \{  
125.                 // 密码  
126.                 config.preSharedKey = sKey;  
127.             \}  
128.             wm.updateNetwork(config);  
129.         \}  
130.           
131.         **if** (networkId != -1)  
132.         \{  
133.             wm.disconnect();  
134.             wm.enableNetwork(networkId, **true**);  
135.         \}  
136.         **return** 0;  
137.     \}  
138.       
139.     /\*\* 
140.      \* 获取加密类型 
141.      \* @param type 加密类型 
142.      \* @return 加密类型 
143.      \* @see \[类、类\#方法、类\#成员\] 
144.      \*/  
145.     **private** **int** getKeyMgmtType(String type)  
146.     \{  
147.         **if** (type == **null**)  
148.         \{  
149.             **return** WifiConfiguration.KeyMgmt.NONE;  
150.         \}  
151.           
152.         **if** ("WEP".equals(type))  
153.         \{  
154.             **return** WifiConfiguration.KeyMgmt.IEEE8021X;  
155.         \}  
156.         **else** **if** ("WPA-PSK".equals(type))  
157.         \{  
158.             **return** WifiConfiguration.KeyMgmt.WPA\_PSK;  
159.         \}  
160.         **else** **if** ("WPA2-PSK".equals(type))  
161.         \{  
162.             **return** WifiConfiguration.KeyMgmt.WPA\_PSK;  
163.         \}  
164.         **return** WifiConfiguration.KeyMgmt.NONE;  
165.     \}  
166. \}