App-Android(使用App+htnl5框架,解决消息推送兼容SignalR问题)
loulijun2021
2022-10-09 2b8231f5da82c56c3315d1cf5b126688ea3d501e
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<!DOCTYPE HTML>
<html>
    <head>
        <meta charset="utf-8" />
        <meta name="viewport" content="initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
        <meta name="HandheldFriendly" content="true" />
        <meta name="MobileOptimized" content="320" />
        <title>Hello H5+</title>
        <script type="text/javascript" src="../js/common.js"></script>
        <script type="text/javascript">
            var i = 1,
                gentry = null,
                w = null;
            var hl = null,
                le = null,
                de = null,
                ie = null;
            var unv = true;
            var bUpdated = false; //用于兼容可能提前注入导致DOM未解析完更新的问题
            // H5 plus事件处理
            function plusReady() {
                // 获取摄像头目录对象
                plus.io.resolveLocalFileSystemURL('_doc/', function(entry) {
                    entry.getDirectory('camera', {
                        create: true
                    }, function(dir) {
                        gentry = dir;
                        updateHistory();
                    }, function(e) {
                        outSet('Get directory "camera" failed: ' + e.message);
                    });
                }, function(e) {
                    outSet('Resolve "_doc/" failed: ' + e.message);
                });
            }
            if (window.plus) {
                plusReady();
            } else {
                document.addEventListener('plusready', plusReady, false);
            }
            // 监听DOMContentLoaded事件
            document.addEventListener('DOMContentLoaded', function() {
                // 获取DOM元素对象
                hl = document.getElementById('history');
                le = document.getElementById('empty');
                de = document.getElementById('display');
                if (ie = document.getElementById('index')) {
                    ie.onchange = indexChanged;
                }
                // 判断是否支持video标签
                unv = !document.createElement('video').canPlayType;
                updateHistory();
            }, false);
 
            function changeIndex() {
                outSet('选择摄像头:');
                ie.focus();
            }
 
            function indexChanged() {
                de.innerText = ie.options[ie.selectedIndex].innerText;
                i = parseInt(ie.value);
                outLine(de.innerText);
            }
            // 拍照
            function getImage() {
                outSet('开始拍照:');
                var cmr = plus.camera.getCamera();
                cmr.captureImage(function(p) {
                    outLine('成功:' + p);
                    plus.io.resolveLocalFileSystemURL(p, function(entry) {
                        createItem(entry);
                    }, function(e) {
                        outLine('读取拍照文件错误:' + e.message);
                    });
                }, function(e) {
                    outLine('失败:' + e.message);
                }, {
                    filename: '_doc/camera/',
                    index: 1
                });
            }
            // 录像
            function getVideo() {
                outSet('开始录像:');
                var cmr = plus.camera.getCamera();
                cmr.startVideoCapture(function(p) {
                    outLine('成功:' + p);
                    plus.io.resolveLocalFileSystemURL(p, function(entry) {
                        createItem(entry);
                    }, function(e) {
                        outLine('读取录像文件错误:' + e.message);
                    });
                }, function(e) {
                    outLine('失败:' + e.message);
                }, {
                    filename: '_doc/camera/',
                    index: i
                });
            }
            // 显示文件
            function displayFile(li) {
                if (w) {
                    outLine('重复点击!');
                    return;
                }
                if (!li || !li.entry) {
                    ouSet('无效的媒体文件');
                    return;
                }
                var name = li.entry.name;
                var suffix = name.substr(name.lastIndexOf('.'));
                var url = '';
                if (suffix == '.mov' || suffix == '.3gp' || suffix == '.mp4' || suffix == '.avi') {
                    //if(unv){plus.runtime.openFile('_doc/camera/'+name);return;}
                    url = '/plus/camera_video.html';
                } else {
                    url = '/plus/camera_image.html';
                }
                w = plus.webview.create(url, url, {
                    hardwareAccelerated: true,
                    scrollIndicator: 'none',
                    scalable: true,
                    bounce: 'all'
                });
                w.addEventListener('loaded', function() {
                    w.evalJS('loadMedia("' + li.entry.toLocalURL() + '")');
                    //w.evalJS('loadMedia("'+'http://localhost:13131/_doc/camera/'+name+'")');
                }, false);
                w.addEventListener('close', function() {
                    w = null;
                }, false);
                w.show('pop-in');
            }
 
            // 添加播放项
            function createItem(entry) {
                var li = document.createElement('li');
                li.className = 'ditem';
                li.innerHTML = '<span class="iplay"><font class="aname"></font><br/><font class="ainf"></font></span>';
                li.setAttribute('onclick', 'displayFile(this)');
                hl.insertBefore(li, le.nextSibling);
                li.querySelector('.aname').innerText = entry.name;
                li.querySelector('.ainf').innerText = '...';
                li.entry = entry;
                updateInformation(li);
                // 设置空项不可见
                le.style.display = 'none';
            }
            // 获取录音文件信息
            function updateInformation(li) {
                if (!li || !li.entry) {
                    return;
                }
                var entry = li.entry;
                entry.getMetadata(function(metadata) {
                    li.querySelector('.ainf').innerText = dateToStr(metadata.modificationTime);
                }, function(e) {
                    outLine('获取文件"' + entry.name + '"信息失败:' + e.message);
                });
            }
            // 获取录音历史列表
            function updateHistory() {
                if (bUpdated || !gentry || !document.body) { //兼容可能提前注入导致DOM未解析完更新的问题
                    return;
                }
                var reader = gentry.createReader();
                reader.readEntries(function(entries) {
                    for (var i in entries) {
                        if (entries[i].isFile) {
                            createItem(entries[i]);
                        }
                    }
                }, function(e) {
                    outLine('读取录音列表失败:' + e.message);
                });
                bUpdated = true;
            }
            // 清除历史记录
            function cleanHistory() {
                hl.innerHTML = '<li id="empty" class="ditem-empty">无历史记录</li>';
                le = document.getElementById('empty');
                // 删除音频文件
                outSet('清空拍照录像历史记录:');
                gentry.removeRecursively(function() {
                    // Success
                    outLine('成功!');
                }, function(e) {
                    outLine('失败:' + e.message);
                });
            }
        </script>
    
        <link rel="stylesheet" href="../css/common.css" type="text/css" charset="utf-8" />
        <style type="text/css">
            .aname {
                font-size: 16px;
            }
 
            .ainf {
                font-size: 12px;
            }
 
            .iplay {
                display: block;
                background: no-repeat right center url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGQAAABYCAYAAAADWlKCAAAABHNCSVQICAgIfAhkiAAAAAlwSFlzAAAKwwAACsMBNCkkqwAAABZ0RVh0Q3JlYXRpb24gVGltZQAwOS8xMi8xM5w+I3MAAAAcdEVYdFNvZnR3YXJlAEFkb2JlIEZpcmV3b3JrcyBDUzVxteM2AAAD9UlEQVR4nO2b3XETMRRGDwzvoYOkg5hRAVkqiKmAdIA7wHSQVECoALsC1gXciV0BTge4gvCwgnHk9d/+WF8m97ztxrlXs8fS1Urym6enJxwd3uZugPMcFyKGCxHDhYjhQsRwIWK4EDFciBguRAwXIoYLEcOFiOFCxHAhYrgQMVyIGC5EDBcihgsRw4WI4ULEcCFiuBAx3uVuwDGY2XtgCBTAALjc8tEFMAdKYBJC+HOK9nXBm5dwUM7MCmAEXDcMMQVuQwhlV23qC2khZjYAboGrjkLOgFEIYd5RvM6RrSFmdgs80J0MYqyHGFsSuR4S60TJ9vrwCEziZ+YhhGXy/xdU9aWgqjfnW+IsgEKtvkgJiUPUPfUyZsD42DoQ68+Y+p62AG6UhjAZITt6xopq3L9vGf+Gqh6dJX+S6ilKNaRkU8YCGLSVARBjDGLMdS5jbgkkhMQiWyejSGtEG2KsghopKoU++5AV68ZDcrvXYWTH8Pghdz1R6CHpN3MFDPsc02PsYcy1qy0nJ6uQOANKZz+jfcOUmd3H6W1jYo5RcvsqtikbuXtI+kBmBxbwz8DczMZtksdcsz1tOinZhMRxPF2bGh8R4gz4amZLMxu2aEqa8zq2LQs5e0j6EB8bLv6dAz/NrGwyjMWcj3vadjJyCimS60nLeFfAbzO7bfANT3MXLdvSmJxCBsl12VHcL8AyvpkfSpo7bdvJyCkkfQfocv5/Bnw3s/mBs6Y097aFzd7JPcv6T5dv5GtcAr/2TZN7yt0IGSE908k0+RS8FiEvhhd1yKEFUw5YAVBApoe0XQrZwgL4GEIY7pLRU+5G5OwhC57PZgbAsqPYK6rdxUMXC9Npbro8fzJy9pB0qll0FPcOuDhCRl3ubEvwOYWUyXXb5YoZ1X7GqMHSfZq7bNmWxuQUki5XnDdc+n4EPoUQiiabSzFnejKl7TJOY7IJid/iaXJ7fESIFfCNas+9zQNMc05zHnjIPctKx/mrA9egflCJGLd5eDFXukGWdddQYU+95PlDWVE97GXPeS+oivf6saBZCKHoM+8+cvcQ2NyhOwMmfW4SxdgTNs9oZd0tBAEhsRDfJbcvgbIPKTtOnNzlPnECAkPWP8xsTv3ZrJ1v2UfmuKDqGRt5QgjZ9kDWyd5D1iioP1U4P3KzqZYYY5v0om38rpDpIeCHrUFMCPjPEeSE/COetf3SU/i7EEL2GVUdSjXkGfGBfWDzIFsb/q93dRizU2R7yDr+o09R/GfRzsmRrSGvFRcihgsRw4WI4ULEcCFiuBAxXIgYLkQMFyKGCxHDhYjhQsRwIWK4EDFciBguRAwXIoYLEcOFiOFCxHAhYrgQMf4CVuqCm+17t3sAAAAASUVORK5CYII=);
                background-size: 50px 44px;
                -ms-touch-action: auto;
            }
        </style>
    </head>
    <body>
        <br />
        <div class="button" onclick="getImage()">拍照</div>
        <div class="button" onclick="getVideo()">录像</div>
        <br />
        <!-- History list -->
        <ul id="history" class="dlist" style="text-align:left;">
            <li id="empty" class="ditem-empty">无历史记录</li>
        </ul>
        <br />
        <div class="button button-waring" onclick="cleanHistory()">清空历史记录</div>
        <br />
        <div id="outpos" />
        <div id="output">
            Camera管理摄像头设备,可用于拍摄照片、录制视频文件。
        </div>
    </body>
</html>