srcminiPolymerjs platinum-bluetooth元素用于与附近的蓝牙设备进行交互。
运行以下命令以在应用程序中使用platinum-bluetooth并将其安装在目录中。
bower install --save PolymerElements/platinum-bluetooth
例子
它将在bower_components文件夹下安装所有platinum-bluetooth的相关元素。
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
评论前必须登录！
注册