java软件不支持wifi_以编程方式连接到无网络的wifi
我通过将当前进程绑定( connectivityManager.bindProcessToNetwork(network); )到连接的网络来解决这个问题 . 这可以防止"keep using this network"对话，并允许您通过wifi与设备通信 .
NetworkRequest.Builder builder;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
builder = new NetworkRequest.Builder();
//set the transport type do WIFI
builder.addTransportType(NetworkCapabilities.TRANSPORT_WIFI);
connectivityManager.requestNetwork(builder.build(), new ConnectivityManager.NetworkCallback() {
@Override
public void onAvailable(Network network) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
if (Build.VERSION.RELEASE.equalsIgnoreCase("6.0")) {
if (!Settings.System.canWrite(mActivity)) {
Intent goToSettings = new Intent(Settings.ACTION_MANAGE_WRITE_SETTINGS);
goToSettings.setData(Uri.parse("package:" + mActivity.getPackageName()));
mActivity.startActivity(goToSettings);
}
}
connectivityManager.bindProcessToNetwork(null);
if (mSsid.contains("my_iot_device-xxxxxxxxx")) {
connectivityManager.bindProcessToNetwork(network);
} else {
}
} else {
//This method was deprecated in API level 23
ConnectivityManager.setProcessDefaultNetwork(null);
if (mSsid.contains("my_iot_device-xxxxxxxxx")) {
ConnectivityManager.setProcessDefaultNetwork(network);
} else {
}
}
try {
//do a callback or something else to alert your code that it's ok to send the message through socket now
} catch (Exception e) {
Crashlytics.logException(e);
e.printStackTrace();
}
connectivityManager.unregisterNetworkCallback(this);
}
});
}
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