在解决Android WiFi网络切换不工作的问题时,可以尝试以下一些想法和代码示例:
private BroadcastReceiver mWifiReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
ConnectivityManager connManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo networkInfo = connManager.getActiveNetworkInfo();
if (networkInfo != null && networkInfo.getType() == ConnectivityManager.TYPE_WIFI) {
// WiFi已连接
// 执行相应操作
} else {
// WiFi已断开
// 执行相应操作
}
}
};
// 注册广播接收器
IntentFilter filter = new IntentFilter();
filter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION);
registerReceiver(mWifiReceiver, filter);
WifiManager wifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
wifiManager.startScan();
List scanResults = wifiManager.getScanResults();
for (ScanResult scanResult : scanResults) {
// 处理可用的WiFi网络列表
String ssid = scanResult.SSID;
String bssid = scanResult.BSSID;
int signalStrength = scanResult.level;
// ...
}
WifiConfiguration wifiConfig = new WifiConfiguration();
wifiConfig.SSID = "\"" + ssid + "\"";
wifiConfig.preSharedKey = "\"" + password + "\"";
int networkId = wifiManager.addNetwork(wifiConfig);
wifiManager.disconnect();
wifiManager.enableNetwork(networkId, true);
wifiManager.reconnect();
请注意,以上代码示例仅为参考,具体实现可能需要根据具体情况进行适当修改。