Android判断是否为Wifi

//判断是否为wifi
private boolean isWifi(Context mContext) {
    ConnectivityManager connectivityManager = (ConnectivityManager) mContext
            .getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo();
    if (activeNetInfo != null
            && activeNetInfo.getType() == ConnectivityManager.TYPE_WIFI) {
        return true;
    }
    return false;
}