在没有互联网的情况下,通过编程连接到Wifi Android(Xamarin)可以通过以下步骤实现:
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
WifiManager wifiManager = (WifiManager)GetSystemService(Context.WifiService);
if (!wifiManager.IsWifiEnabled)
{
wifiManager.SetWifiEnabled(true);
}
wifiManager.StartScan();
IList<ScanResult> scanResults = wifiManager.ScanResults;
WifiConfiguration wifiConfig = new WifiConfiguration();
wifiConfig.Ssid = "\"Wifi_SSID\"";
wifiConfig.PreSharedKey = "\"Wifi_Password\"";
int networkId = wifiManager.AddNetwork(wifiConfig);
wifiManager.EnableNetwork(networkId, true);
请将"Wifi_SSID"替换为要连接的Wifi网络的名称,"Wifi_Password"替换为对应的密码。
[BroadcastReceiver(Enabled = true)]
[IntentFilter(new[] { WifiManager.NetworkStateChangedAction })]
public class WifiReceiver : BroadcastReceiver
{
public override void OnReceive(Context context, Intent intent)
{
NetworkInfo networkInfo = intent.GetParcelableExtra(WifiManager.ExtraNetworkInfo) as NetworkInfo;
if (networkInfo != null && networkInfo.DetailedState == NetworkInfo.DetailedState.Connected)
{
// Wifi已连接
}
}
}
以上是在没有互联网的情况下通过编程连接到Wifi Android(Xamarin)的基本步骤。请注意,这只是一个简单的示例,实际应用中可能需要处理更多的异常情况和错误处理。另外,对于Wifi连接的具体实现,可以根据具体需求进行调整和扩展。
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