Polymer Platinum Bluetooth

2025 年 3 月 17 日 | 阅读 1 分钟

polymer platinum Bluetooth 元素用于与附近的蓝牙设备进行交互。

运行以下命令以在您的应用程序中使用 platinum bluetooth 并在您的目录中安装它。

示例

它会将 platinum-bluetooth 的所有相关元素安装在 bower_components 文件夹下。

创建一个 index.html 文件并在其中添加以下代码，以查看 Polymer.js 中 platinum-bluetooth 元素的用法。

<!doctype html>
<html>
   <head>
      <title>Polymer Example</title>
      <script src = "bower_components/webcomponentsjs/webcomponents-lite.js"></script>
      <link rel = "import" href = "bower_components/polymer/polymer.html">
      <link rel = "import" href = "bower_components/paper-styles/demo-pages.html">
      <link rel = "import" href = "bower_components/paper-button/paper-button.html">
      <link rel = "import" href = "bower_components/platinum-bluetooth/platinum-bluetooth-device.html">
   </head>  
   <body>
      <section>
         <paper-button raised>Get bluetooth device</paper-button>
      </section>
      <script src = "platinum_bluetooth.js"></script>
   </body>
</html>

现在，创建另一个名为 platinum_bluetooth.js 的文件并包含以下代码

document.addEventListener('WebComponentsReady', function() {
   var mybatteryDevice = document.querySelector('platinum-bluetooth-device');
   var mybutton = document.querySelector('paper-button');
   mybutton.addEventListener('click', function() {
      console.log('The requested bluetooth device advertising a battery service...');
      mybatteryDevice.request().then(function(device) {
         console.log('Bluetooth device has been found...');
         console.log('The device name is: ' + device.name);
      })
      .catch(function(error) {
         console.error('Sorry!No device found...', error);
      });
   });
});

输出