我实现了检查wifi状态连接与否的代码。我做了一个文本视图动态更新textview数据Android Java
TextView WifiTv = (TextView) findViewById(R.id.wifistate);
ConnectivityManager connectionManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo wifiCheck = connectionManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
if (wifiCheck.isConnected()) {
// Do whatever here
WifiTv.setText("WiFi is Connected");
WifiTv.notify();
} else {
WifiTv.setText("WiFi is not Connected");
}
它的工作原理,但它不会动态更新,因此,如果我关闭wifi我必须刷新活动TextView的改变(不绑定数据)。如何让textview更新不刷新? Thx
编辑:我有这个代码在一个单独的类与吐司很好地工作。我想要做的只是在textview中显示。如何将textview变量连接到这个没有xml的类?
public void onReceive(Context context, Intent intent) {
NetworkInfo info =
intent.getParcelableExtra(WifiManager.EXTRA_NETWORK_INFO);
if (info != null && info.isConnected()) {
// Do your work.
// e.g. To check the Network Name or other info:
WifiManager wifiManager = (WifiManager)
context.getSystemService(Context.WIFI_SERVICE);
WifiInfo wifiInfo = wifiManager.getConnectionInfo();
String ssid = wifiInfo.getSSID();
Toast.makeText(context, "Connected to: " + ssid,
Toast.LENGTH_SHORT).show();
}
创建这些当你调用这个代码片断? – Ahmar