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[英]how to determine your device is connected to Wi-Fi Direct or Wi-Fi hotspot via Android programming
[英]How to determine wether the device is connecting or connected to a Wi-Fi hotspot?
首先,我使用方法WifiManager.getWifiState()
確定是否啟用了設備的Wi-Fi。 如果啟用,則WifiManager.getConnectionInfo()
返回帶有SSID和我需要的其他信息的WifiInfo
對象。 但是如何知道設備是否已經使用該SSID連接到熱點,或者仍在連接? 我必須創建一個BroadcastReciever
類嗎?
public boolean IsWiFiConnected(){
ConnectivityManager manager = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
NetworkInfo netInfo = manager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
return netInfo.isConnectedOrConnecting();
}
這是給您的代碼:
public boolean isInternetAvailable() {
ConnectivityManager cm = (ConnectivityManager) activity.getSystemService(Context.CONNECTIVITY_SERVICE);
if (cm.getActiveNetworkInfo() != null)
return (cm.getActiveNetworkInfo().isConnected() && cm.getActiveNetworkInfo().isAvailable());
else
return false;
}
希望對您有幫助。
這可能對您有幫助
public static boolean isCheckedNetwork() {
ConnectivityManager connect = (ConnectivityManager) mcontext.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo network = null;
if (connect != null) {
network = connect.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
}
return network == null ? false : network.isConnected();
}
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