Android(安卓)根据账号和密码自动连接 WIFI （兼容Android(安卓)10）
16lz
2021-12-04
源码地址在这里在这里！！！！！master分支哈
文章目录
- 1 遇到困难
- 2 源代码
-
- 2.1 IWifiConnectListener.java
- 2.2 IWifiDisConnectListener.java
- 2.3 IWifiManager.java
- 2.4 WifiConnector.java
- 2.5 WifiManagerProxy.java
- 2.6 MainActivity.java
1 遇到困难
面向谷歌搜索了很多博客，基本上都是失效的，只要你的compileSdkVersion版本高于28在Android 10设备上就无法连接wifi，虽然提示你是连接成功了但是实际上信号一直不可用。
解决办法目前只有这个:
compileSdkVersion 28 // 版本号降到28或者更低我们考虑整个WIFI自动连接过程会遇到哪些情况哈?
2 源代码
2.1 IWifiConnectListener.java
public interface IWifiConnectListener { //开始连接 void onConnectStart(); // 连接成功 void onConnectSuccess(); //连接失败 void onConnectFail(String errorMsg);}2.2 IWifiDisConnectListener.java
public interface IWifiDisConnectListener { //断开成功 void onDisConnectSuccess(); //断开失败 void onDisConnectFail(String errorMsg);}2.3 IWifiManager.java
public interface IWifiManager { void init(Application application); void openWifi(); //打开Wifi void openWifiSettingPage(Activity activity); //打开wifi设置页面 void closeWifi(); //关闭wifi boolean isWifiEnabled(); //判断wifi是否可用 void connect(String ssId, String pwd, IWifiConnectListener iWifiLogListener); //连接wifi void disConnect(String ssId,IWifiDisConnectListener listener); // 断开某个网络}2.4 WifiConnector.java
private IWifiConnectListener iWifiConnectListener; private WifiManager wifiManager; private Handler mHandler = new Handler(Looper.getMainLooper()) { @Override public void handleMessage(Message msg) { super.handleMessage(msg); if (iWifiConnectListener != null) { switch (msg.what) { case 0: iWifiConnectListener.onConnectSuccess(); break; case -1: iWifiConnectListener.onConnectFail(" fail = " + msg.obj); break; default: break; } } } }; public void init(WifiManager wifiManager) { if (wifiManager == null) { throw new IllegalArgumentException("WifiConnector wifiManager cant be null!"); } this.wifiManager = wifiManager; } private void checkInit() { if (wifiManager == null) { throw new IllegalArgumentException("You must call init() before other methods!"); } if (iWifiConnectListener == null) { throw new IllegalArgumentException("IWifiConnectListener cant be null!"); } } /** * 子线程要向UI发送连接失败的消息 * * @param info 消息 */ public void sendErrorMsg(String info) { if (mHandler != null) { Message msg = new Message(); msg.obj = info; msg.what = -1; mHandler.sendMessage(msg);// 向Handler发送消息 } } /** * 子线程向UI主线程发送连接成功的消息 * * @param info */ public void sendSuccessMsg(String info) { if (mHandler != null) { Message msg = new Message(); msg.obj = info; msg.what = 0; mHandler.sendMessage(msg);// 向Handler发送消息 } } //WIFICIPHER_WEP是WEP ，WIFICIPHER_WPA是WPA，WIFICIPHER_NOPASS没有密码 public enum WifiCipherType { WIFICIPHER_WEP, WIFICIPHER_WPA, WIFICIPHER_NOPASS, WIFICIPHER_INVALID } // 提供一个外部接口，传入要连接的无线网 public void connect(String ssid, String password, WifiCipherType type, IWifiConnectListener listener) { this.iWifiConnectListener = listener; Thread thread = new Thread(new ConnectRunnable(ssid, password, type)); thread.start(); } // 查看以前是否也配置过这个网络 public WifiConfiguration isExsits(String SSID) { List<WifiConfiguration> existingConfigs = wifiManager .getConfiguredNetworks(); for (WifiConfiguration existingConfig : existingConfigs) { if (existingConfig.SSID.equals("\"" + SSID + "\"")) { return existingConfig; } } return null; } public WifiConfiguration createWifiInfo(String SSID, String Password, WifiCipherType Type) { WifiConfiguration config = new WifiConfiguration(); config.allowedAuthAlgorithms.clear(); config.allowedGroupCiphers.clear(); config.allowedKeyManagement.clear(); config.allowedPairwiseCiphers.clear(); config.allowedProtocols.clear(); config.SSID = "\"" + SSID + "\""; // config.SSID = SSID; // nopass if (Type == WifiCipherType.WIFICIPHER_NOPASS) { // config.wepKeys[0] = ""; config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE); // config.wepTxKeyIndex = 0; } else if (Type == WifiCipherType.WIFICIPHER_WEP) { // wep if (!TextUtils.isEmpty(Password)) { if (isHexWepKey(Password)) { config.wepKeys[0] = Password; } else { config.wepKeys[0] = "\"" + Password + "\""; } } config.allowedAuthAlgorithms.set(WifiConfiguration.AuthAlgorithm.OPEN); config.allowedAuthAlgorithms.set(WifiConfiguration.AuthAlgorithm.SHARED); config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE); config.wepTxKeyIndex = 0; } else if (Type == WifiCipherType.WIFICIPHER_WPA) { // wpa config.preSharedKey = "\"" + Password + "\""; config.allowedAuthAlgorithms.set(WifiConfiguration.AuthAlgorithm.OPEN); config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP); config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.CCMP); config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.WPA_PSK); config.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.TKIP); config.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.CCMP); config.allowedProtocols.set(WifiConfiguration.Protocol.RSN); config.allowedProtocols.set(WifiConfiguration.Protocol.WPA); config.status = WifiConfiguration.Status.ENABLED; } return config; } // 打开wifi功能 private boolean openWifi() { checkInit(); boolean bRet = true; if (!wifiManager.isWifiEnabled()) { bRet = wifiManager.setWifiEnabled(true); } return bRet; } class ConnectRunnable implements Runnable { private String ssid; private String password; private WifiCipherType type; public ConnectRunnable(String ssid, String password, WifiCipherType type) { this.ssid = ssid; this.password = password; this.type = type; } @Override public void run() { checkInit(); try { // 如果之前没打开wifi,就去打开 确保wifi开关开了 openWifi(); iWifiConnectListener.onConnectStart(); //开启wifi需要等系统wifi刷新1秒的时间 Thread.sleep(1000); // 如果wifi没开启的话就提示错误 if (wifiManager.getWifiState() == WifiManager.WIFI_STATE_DISABLED) { sendErrorMsg("WIFI 未开启"); return; } // 开启wifi之后开始扫描附近的wifi列表 wifiManager.startScan(); Thread.sleep(500); boolean hasSsIdWifi = false; List<ScanResult> scanResults = wifiManager.getScanResults(); for (int i = 0; i < scanResults.size(); i++) { ScanResult scanResult = scanResults.get(i); if (TextUtils.equals(scanResult.SSID, ssid)) { hasSsIdWifi = true; break; } } // 如果就没这个wifi的话直接返回 if (!hasSsIdWifi) { sendErrorMsg("当前不存在指定的Wifi!"); return; } //禁掉所有wifi for (WifiConfiguration c : wifiManager.getConfiguredNetworks()) { wifiManager.disableNetwork(c.networkId); } //看看当前wifi之前配置过没有 boolean enabled = false; WifiConfiguration tempConfig = isExsits(ssid); if (tempConfig != null) { enabled = wifiManager.enableNetwork(tempConfig.networkId, true); } else { WifiConfiguration wifiConfig = createWifiInfo(ssid, password, type); if (wifiConfig == null) { sendErrorMsg("wifiConfig is null!"); return; } int netID = wifiManager.addNetwork(wifiConfig); enabled = wifiManager.enableNetwork(netID, true); } if (enabled) { sendSuccessMsg("连接成功! enabled = " + enabled); } else { sendErrorMsg("连接失败! enabled = false"); } } catch (Exception e) { sendErrorMsg(e.getMessage()); e.printStackTrace(); } } } private boolean isHexWepKey(String wepKey) { final int len = wepKey.length(); // WEP-40, WEP-104, and some vendors using 256-bit WEP (WEP-232?) if (len != 10 && len != 26 && len != 58) { return false; } return isHex(wepKey); } private boolean isHex(String key) { for (int i = key.length() - 1; i >= 0; i--) { final char c = key.charAt(i); if (!(c >= '0' && c <= '9' || c >= 'A' && c <= 'F' || c >= 'a' && c <= 'f')) { return false; } } return true; }2.5 WifiManagerProxy.java
private static class SingletonHolder { private static final WifiManagerProxy INSTANCE = new WifiManagerProxy(); } private WifiManagerProxy() { } public static WifiManagerProxy get() { return SingletonHolder.INSTANCE; } private WifiManager manager; private WifiConnector mConnector = new WifiConnector(); private void checkInit() { if (manager == null) { throw new IllegalArgumentException("You must call init() before other methods!"); } } @Override public void init(Application application) { if (application == null) { throw new IllegalArgumentException("Application cant be null!"); } if (manager == null) { manager = (WifiManager) application.getSystemService(Context.WIFI_SERVICE); mConnector.init(manager); } } @Override public void openWifi() { checkInit(); if (!isWifiEnabled()) { manager.setWifiEnabled(true); } } @Override public void openWifiSettingPage(Activity activity) { checkInit(); if (activity == null) { return; } activity.startActivity(new Intent(Settings.ACTION_WIFI_SETTINGS)); } @Override public void closeWifi() { checkInit(); if (isWifiEnabled()) { manager.setWifiEnabled(false); } } @Override public boolean isWifiEnabled() { checkInit(); return manager.isWifiEnabled(); } @Override public void connect(String ssId, String pwd, IWifiConnectListener listener) { checkInit(); if (listener == null) { throw new IllegalArgumentException(" IWifiConnectListener cant be null !"); } mConnector.connect(ssId, pwd, WifiConnector.WifiCipherType.WIFICIPHER_WPA, listener); } @Override public void disConnect(String ssId, IWifiDisConnectListener listener) { checkInit(); if (listener == null) { throw new IllegalArgumentException(" IWifiDisConnectListener cant be null !"); } if (TextUtils.isEmpty(ssId)) { listener.onDisConnectFail(" WIFI名称不能为空! "); return; } ssId = "\"" + ssId + "\""; WifiInfo wifiInfo = manager.getConnectionInfo(); if (wifiInfo != null && !TextUtils.isEmpty(ssId) && TextUtils.equals(ssId, wifiInfo.getSSID())) { int netId = wifiInfo.getNetworkId(); manager.disableNetwork(netId); listener.onDisConnectSuccess(); } else { listener.onDisConnectFail(" wifi状态异常 或者 此时就没有连接上对应的WIFI ！ "); } }2.6 MainActivity.java
public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); test(); } private void test() { WifiManagerProxy.get().init(getApplication()); WifiManagerProxy.get().connect("xxx", "xxx", new IWifiConnectListener() { @Override public void onConnectStart() { Log.i("TAG", "onConnectStart: "); } @Override public void onConnectSuccess() { Log.i("TAG", "onConnectSuccess: "); } @Override public void onConnectFail(String errorMsg) { Log.i("TAG", "onConnectFail: " + errorMsg); } }); }}更多相关文章
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