我在 ListView 中显示可用的wifi,并且我正在连接到wifi.. 在我的 Android 应用程序中使用对话框..一旦 wifi 连接如何显示 wifi名称作为 ListView 中的第一个..我想将连接的wifi显示为第一个 ListView ..我该怎么做?
TextView textView = (TextView)view.findViewById(R.id.Name);
textView.setText(accessPoints.get(i);
textView.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View view) {
final Dialog dialog =new Dialog(getActivity());
dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
Window window = dialog.getWindow();
dialog.setContentView(R.layout.password_dialog);
final Button connect = (Button)dialog.findViewById(R.id.connect);
Button cancel = (Button)dialog.findViewById(R.id.cancel);
connect.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View view) {
list<WifiConfiguration> list = wifiManager.getConfiguredNetworks();
for( WifiConfiguration i : list ) {
if(i.SSID != null && i.SSID.equals("\"" + networkSSID + "\"")) {
wifiManager.disconnect();
wifiManager.enableNetwork(i.networkId, true);
wifiManager.reconnect();
break;
}
}
}
最佳答案
WifiManager
类有一个方法 getConnectionInfo()
,它将返回当前连接的 WifiInfo
对象。您可以检查此 wifi 的 SSID String
并使用简单的 Java Comparator
将其与 WifiConfiguration
列表进行比较,如下所示:
public static class WifiComparator implements Comparator<WifiConfiguration> {
WifiInfo connectedInto;
public WifiComparator(WifiInfo connectedInto) {
this.connectedInto = connectedInto;
}
@Override
public int compare(WifiConfiguration lhs, WifiConfiguration rhs) {
if (connectedInto == null)
return 0;
else {
if (lhs.SSID.equals(connectedInto.getSSID()))
return 1;
return 0;
}
}
}
然后通过调用对列表进行排序
Collections.sort(list, new WifiComparator(wifiManager.getConnectionInfo()));
关于java - 在android中的 ListView 中对连接的wifi进行排序,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/39444498/