events.menubutton.md 2.4 KB


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title: menubutton

menubutton

在使用者按功能表按钮时,将触发该事件。

document.addEventListener("menubutton", yourCallbackFunction, false);

详细资讯

事件处理常式的应用覆盖的预设功能表按钮行为。

应用程式通常应使用 document.addEventListener 将一个事件拦截器附加一次 [deviceready](events.deviceready.html) 事件火灾。

支援的平台

  • 亚马逊火 OS
  • Android 系统
  • 黑莓 10

快速的示例

document.addEventListener("menubutton", onMenuKeyDown, false);

function onMenuKeyDown() {
    // Handle the back button
}

完整的示例

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
                      "http://www.w3.org/TR/html4/strict.dtd">
<html>
  <head>
    <title>Menu Button Example</title>

    <script type="text/javascript" charset="utf-8" src="cordova.js"></script>
    <script type="text/javascript" charset="utf-8">

    // Wait for device API libraries to load
    //
    function onLoad() {
        document.addEventListener("deviceready", onDeviceReady, false);
    }

    // device APIs are available
    //
    function onDeviceReady() {
        // Register the event listener
        document.addEventListener("menubutton", onMenuKeyDown, false);
    }

    // Handle the menu button
    //
    function onMenuKeyDown() {
    }

    </script>
  </head>
  <body onload="onLoad()">
  </body>
</html>