Android … how to find out if I'm on a wifi internet?

Question

In my application I just need to know if the device is connected to wifi network or not. I think this function works on emulator but not on real device.

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Answer 1

Try this:

  public boolean isUsingWiFi() {
    ConnectivityManager connectivity = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);

    NetworkInfo wifiInfo = connectivity
            .getNetworkInfo(ConnectivityManager.TYPE_WIFI);

    if (wifiInfo != null && wifiInfo.getState() == NetworkInfo.State.CONNECTED
            || wifiInfo.getState() == NetworkInfo.State.CONNECTING) {
        return true;
    }

    return false;
}

You can also use the same for the mobile type:

  public boolean isUsingMobileData() {
    ConnectivityManager connectivity = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);

    NetworkInfo mobileInfo = connectivity
            .getNetworkInfo(ConnectivityManager.TYPE_MOBILE);

    if (mobileInfo != null && mobileInfo.getState() == NetworkInfo.State.CONNECTED
            || mobileInfo.getState() == NetworkInfo.State.CONNECTING) {
        return true;
    }

    return false;
}