即使单击按钮，也会显示虚拟键盘

Question

我正在Phonegap中构建一个应用程序，我面临的问题仅在测试产品后才出现。我的问题如下：

我有一个包含2个输入字段和登录按钮的登录页面。单击输入字段时，设备上的虚拟键盘会正确显示。问题是当输入字段为空并且单击按钮时。除了错误消息外，当单击警报上的完成按钮时，键盘也会出现并消失。

如何阻止键盘与错误信息一起显示？

编辑：

HTML

<section data-role="page" id="start" data-enhance="false">
    <div data-role="content">
        <br>
        <br>
        <div align="right">
            <a href="#" id="help" data-role="button">
                <img src="./img/help-icon.png" style="margin-right: 11px;" />
            </a>
        </div>

        <div align="center">
            <img src="./img/Logo login screen.png" height="200" width="170" />
        </div>

        <br>
        <br>
        <form id="loginForm" align="center" data-ajax="false">
            <div id="user" align="center">
                <input class="amazeFont" type="text" id="accessKey" Placeholder="Access Key (20 characters)" size="30" maxlength="128" tabindex="1" autocomplete="on" autocorrect="off" autocapitalize="off" data-validation="[NOTEMPTY]" height="100" />
            </div>
            <br>
            <br>
            <div id="pass" align="center">
                <input class="amazeFont" type="password" id="secretKey" Placeholder="Secret Key (40 characters)" size="30" maxlength="1024" autocomplete="on" tabindex="2" data-validation="[NOTEMPTY]" />
            </div>
            <br>
            <br>
            <center>
                <button type="button" id="submitButton">Login</button>
            </center>
        </form>
    </div>
</section>

JS

accKey = $("#accessKey").val();
secKey = $("#secretKey").val();

if (empty(accKey)) {
   navigator.notification.alert(
      "AccessKey and SecretKey Combination Incorrect or One of the fields is empty! Please check and Retry!",
      function(){},
      "Key Mismatch",
      "Done");
  //alert("AccessKey and SecretAccessKey fields are empty! Please enter values and Retry!");
   $("#accessKey").focus();
  } else {
    if (empty(secKey)) {
       navigator.notification.alert(
        "AccessKey and SecretKey Combination Incorrect or One of the fields is empty! Please check and Retry!",
        function(){},
        "Key Mismatch",
        "Done");
       // alert("AccessKey and SecretAccessKey fields are empty! Please enter values and Retry!");
       $("#accessKey").focus();
    } else {
        //DO SOMETHING;
  }
}