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Visual Studio开发Cordova应用示例

作者:Grey

原文地址:Visual Studio开发Cordova应用示例

本文的GIF动画均使用ScreenToGif进行录制。

Cordova是什么?

http://cordova.apache.org/docs/en/latest/guide/overview/index.html

实例说明

  • HelloWorld
  • 拍照

开发环境

HelloWorld

Visual Studio Community 2015中,选择:文件–>新建–>项目–>模板–>JavaScript–>Apache Cordova Apps–>空白应用(Apache Cordova)–>名称命名为:HelloCordova–>确定

hellocordova

运行程序(Android):

打开Visual Studio Emulator for Android
选择一个Android模拟器,如:VS Emulator 5" KitKat(4.4) XXHDPI Phone
启动这个模拟器, 然后点击运行:

startavd

run_hellocordova_in_Android

运行结果

run_hellocordova_in_Android_result

运行程序(Windows Phone)

Windows Phone:选择Windows Phone(Universal), 选择一个模拟器,如:Mobile Emulator 10.0.10586.0 WVGA 4 inch 1GB, 点击运行:

run_hellocordova_in_WindowsPhone

运行结果

run_hellocordova_in_WindowsPhone_result

拍照

拍照功能需要额外下载插件,Visual Studio Community 2015提供了非常方便的插件下载安装机制, 在HelloCordova这个项目中,点击config.xml这个文件,
选择:插件–>核心–>Camera–>并点击添加按钮,即可把插件加到当前项目中。

add_comera_plugin

代码清单

/HelloCordova/www/index.html

<!DOCTYPE html>
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=gb2312"/>
        <meta http-equiv="Content-Security-Policy" content="default-src 'self' data: gap: https://ssl.gstatic.com 'unsafe-eval'; style-src 'self' 'unsafe-inline'; media-src *">
        <meta name="format-detection" content="telephone=no">
        <meta name="msapplication-tap-highlight" content="no">
        <meta name="viewport" content="user-scalable=no, initial-scale=1, maximum-scale=1, minimum-scale=1, width=device-width">
        <link rel="stylesheet" type="text/css" href="css/index.css">
        <title>HelloCordova</title>
    </head>
    <body>
        <div>
            <h1 style="color:white">Take Photo</h1>
        </div>
        <div>
            <input id="btnTakePhoto" type="button" value="Take Photo" />
        </div>
        <div id="divPic"></div>


        <script type="text/javascript" src="cordova.js"></script>
        <script type="text/javascript" src="scripts/platformOverrides.js"></script>
        <script type="text/javascript" src="scripts/index.js"></script>
    </body>
</html>

/HelloCordova/www/scripts/index.js

(function () {
    "use strict";

    document.addEventListener( 'deviceready', onDeviceReady.bind( this ), false );

    function onDeviceReady() {
        
        document.addEventListener( 'pause', onPause.bind( this ), false );
        document.addEventListener( 'resume', onResume.bind( this ), false );
        
        document.getElementById('btnTakePhoto').onclick = function () {
            navigator.camera.getPicture(function (imageURI) {
                var pic = document.getElementById('divPic');
                pic.innerHTML = "<img src= '" + imageURI + "'/>";
            }, null, null);
        };
    };

    function onPause() {
        // TODO: 
    };

    function onResume() {
        // TODO: 
    };
} )();

运行结果(Android):

take_photo_in_android

运行结果(Windows Phone):

take_photo_in_windowsphone


更多:http://cordova.apache.org/

posted @ 2016-05-03 17:13  Grey Zeng  阅读(3935)  评论(4编辑  收藏  举报