Issue with Phonegap app not automatically adjusting to fill entire viewport height at start

I am encountering an issue with testing a PhoneGap application on my Samsung Galaxy smartphone. Upon initial load, the body does not completely fill 100% of the viewport's height (please refer to the screenshot attached.)

This occurrence is independent of whether the phone is in portrait or landscape mode. Strangely enough, upon rotation of the phone, the content then fills the full height as expected. Furthermore, this problem only arises after clearing the cache but not on subsequent loads.

Does anyone have any insights into what might be causing this behavior?

Below is the provided markup:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  <html xmlns="http://www.w3.org/1999/xhtml">

    <head>
      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
      <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
      <title>Untitled Document</title>
      <style>
        html, body {
          background:#CC9;
          height: 100vh;
          min-height: 100vh;
        }
      </style>
    </head>

    <body>
      hello
    </body>

  </html>

https://i.sstatic.net/oLM9I.png

Answer №1

Could the gap in your app be where the navigation bar would normally appear if the phone did not have physical buttons?

I faced a similar issue with the menu bar on my Samsung Galaxy J5 when resuming the app. I was able to resolve it by utilizing the cordova-plugin-statusbar and implementing code in the onResume function to trigger a refresh:

window.setTimeout(function () { StatusBar.hide(); console.log("hidden"); }, 1000);

It seems like there is also a cordova-plugin-navigationbar available (although I haven't explored it in detail) - perhaps adopting a similar strategy could help resolve your problem?

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