uniapp ios调用相机权限配置 uniapp 打开摄像头 |
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uniapp ios调用相机权限配置 uniapp 打开摄像头
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uniapp ios调用相机权限配置 uniapp 打开摄像头
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mob6454cc613c41 2023-12-19 11:09:13 文章标签 uniapp ios调用相机权限配置 uni-app javascript ios android 文章分类 iOS 移动开发 在uni-app的app项目中使用live-pusher实现人脸识别前言一、环境二、使用步骤三、permission.js源代码四、face.vue源代码五、代码效果总结 前言 在uni-app项目中实现人脸识别，既使用uni-app中的live-pusher开启摄像头，创建直播推流。通过快照截取和压缩图片，以base64格式发往后端。 一、环境操作系统：win10 开发工具：HBuider X3.6.4 模拟器：mumu模拟器 二、使用步骤新建util文件夹，将permission.js放到util文件中，将face.vue放入需要运行的文件中。运行代码打印出人脸图片的base64信息。然后就可以将信息传到对应的后端进行识别了。 三、permission.js源代码/** * 本模块封装了Android、iOS的应用权限判断、打开应用权限设置界面、以及位置系统服务是否开启 */ var isIos // #ifdef APP-PLUS isIos = (plus.os.name == "iOS") // #endif // 判断推送权限是否开启 function judgeIosPermissionPush() { var result = false; var UIApplication = plus.ios.import("UIApplication"); var app = UIApplication.sharedApplication(); var enabledTypes = 0; if (app.currentUserNotificationSettings) { var settings = app.currentUserNotificationSettings(); enabledTypes = settings.plusGetAttribute("types"); console.log("enabledTypes1:" + enabledTypes); if (enabledTypes == 0) { console.log("推送权限没有开启"); } else { result = true; console.log("已经开启推送功能!") } plus.ios.deleteObject(settings); } else { enabledTypes = app.enabledRemoteNotificationTypes(); if (enabledTypes == 0) { console.log("推送权限没有开启!"); } else { result = true; console.log("已经开启推送功能!") } console.log("enabledTypes2:" + enabledTypes); } plus.ios.deleteObject(app); plus.ios.deleteObject(UIApplication); return result; } // 判断定位权限是否开启 function judgeIosPermissionLocation() { var result = false; var cllocationManger = plus.ios.import("CLLocationManager"); var status = cllocationManger.authorizationStatus(); result = (status != 2) console.log("定位权限开启：" + result); // 以下代码判断了手机设备的定位是否关闭，推荐另行使用方法 checkSystemEnableLocation /* var enable = cllocationManger.locationServicesEnabled(); var status = cllocationManger.authorizationStatus(); console.log("enable:" + enable); console.log("status:" + status); if (enable && status != 2) { result = true; console.log("手机定位服务已开启且已授予定位权限"); } else { console.log("手机系统的定位没有打开或未给予定位权限"); } */ plus.ios.deleteObject(cllocationManger); return result; } // 判断麦克风权限是否开启 function judgeIosPermissionRecord() { var result = false; var avaudiosession = plus.ios.import("AVAudioSession"); var avaudio = avaudiosession.sharedInstance(); var permissionStatus = avaudio.recordPermission(); console.log("permissionStatus:" + permissionStatus); if (permissionStatus == 1684369017 || permissionStatus == 1970168948) { console.log("麦克风权限没有开启"); } else { result = true; console.log("麦克风权限已经开启"); } plus.ios.deleteObject(avaudiosession); return result; } // 判断相机权限是否开启 function judgeIosPermissionCamera() { var result = false; var AVCaptureDevice = plus.ios.import("AVCaptureDevice"); var authStatus = AVCaptureDevice.authorizationStatusForMediaType('vide'); console.log("authStatus:" + authStatus); if (authStatus == 3) { result = true; console.log("相机权限已经开启"); } else { console.log("相机权限没有开启"); } plus.ios.deleteObject(AVCaptureDevice); return result; } // 判断相册权限是否开启 function judgeIosPermissionPhotoLibrary() { var result = false; var PHPhotoLibrary = plus.ios.import("PHPhotoLibrary"); var authStatus = PHPhotoLibrary.authorizationStatus(); console.log("authStatus:" + authStatus); if (authStatus == 3) { result = true; console.log("相册权限已经开启"); } else { console.log("相册权限没有开启"); } plus.ios.deleteObject(PHPhotoLibrary); return result; } // 判断通讯录权限是否开启 function judgeIosPermissionContact() { var result = false; var CNContactStore = plus.ios.import("CNContactStore"); var cnAuthStatus = CNContactStore.authorizationStatusForEntityType(0); if (cnAuthStatus == 3) { result = true; console.log("通讯录权限已经开启"); } else { console.log("通讯录权限没有开启"); } plus.ios.deleteObject(CNContactStore); return result; } // 判断日历权限是否开启 function judgeIosPermissionCalendar() { var result = false; var EKEventStore = plus.ios.import("EKEventStore"); var ekAuthStatus = EKEventStore.authorizationStatusForEntityType(0); if (ekAuthStatus == 3) { result = true; console.log("日历权限已经开启"); } else { console.log("日历权限没有开启"); } plus.ios.deleteObject(EKEventStore); return result; } // 判断备忘录权限是否开启 function judgeIosPermissionMemo() { var result = false; var EKEventStore = plus.ios.import("EKEventStore"); var ekAuthStatus = EKEventStore.authorizationStatusForEntityType(1); if (ekAuthStatus == 3) { result = true; console.log("备忘录权限已经开启"); } else { console.log("备忘录权限没有开启"); } plus.ios.deleteObject(EKEventStore); return result; } // Android权限查询 function requestAndroidPermission(permissionID) { return new Promise((resolve, reject) => { plus.android.requestPermissions( [permissionID], // 理论上支持多个权限同时查询，但实际上本函数封装只处理了一个权限的情况。有需要的可自行扩展封装 function(resultObj) { var result = 0; for (var i = 0; i < resultObj.granted.length; i++) { var grantedPermission = resultObj.granted[i]; console.log('已获取的权限：' + grantedPermission); result = 1 } for (var i = 0; i < resultObj.deniedPresent.length; i++) { var deniedPresentPermission = resultObj.deniedPresent[i]; console.log('拒绝本次申请的权限：' + deniedPresentPermission); result = 0 } for (var i = 0; i < resultObj.deniedAlways.length; i++) { var deniedAlwaysPermission = resultObj.deniedAlways[i]; console.log('永久拒绝申请的权限：' + deniedAlwaysPermission); result = -1 } resolve(result); // 若所需权限被拒绝,则打开APP设置界面,可以在APP设置界面打开相应权限 // if (result != 1) { // gotoAppPermissionSetting() // } }, function(error) { console.log('申请权限错误：' + error.code + " = " + error.message); resolve({ code: error.code, message: error.message }); } ); }); } // 使用一个方法，根据参数判断权限 function judgeIosPermission(permissionID) { if (permissionID == "location") { return judgeIosPermissionLocation() } else if (permissionID == "camera") { return judgeIosPermissionCamera() } else if (permissionID == "photoLibrary") { return judgeIosPermissionPhotoLibrary() } else if (permissionID == "record") { return judgeIosPermissionRecord() } else if (permissionID == "push") { return judgeIosPermissionPush() } else if (permissionID == "contact") { return judgeIosPermissionContact() } else if (permissionID == "calendar") { return judgeIosPermissionCalendar() } else if (permissionID == "memo") { return judgeIosPermissionMemo() } return false; } // 跳转到**应用**的权限页面 function gotoAppPermissionSetting() { if (isIos) { var UIApplication = plus.ios.import("UIApplication"); var application2 = UIApplication.sharedApplication(); var NSURL2 = plus.ios.import("NSURL"); // var setting2 = NSURL2.URLWithString("prefs:root=LOCATION_SERVICES"); var setting2 = NSURL2.URLWithString("app-settings:"); application2.openURL(setting2); plus.ios.deleteObject(setting2); plus.ios.deleteObject(NSURL2); plus.ios.deleteObject(application2); } else { // console.log(plus.device.vendor); var Intent = plus.android.importClass("android.content.Intent"); var Settings = plus.android.importClass("android.provider.Settings"); var Uri = plus.android.importClass("android.net.Uri"); var mainActivity = plus.android.runtimeMainActivity(); var intent = new Intent(); intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS); var uri = Uri.fromParts("package", mainActivity.getPackageName(), null); intent.setData(uri); mainActivity.startActivity(intent); } } // 检查系统的设备服务是否开启 // var checkSystemEnableLocation = async function () { function checkSystemEnableLocation() { if (isIos) { var result = false; var cllocationManger = plus.ios.import("CLLocationManager"); var result = cllocationManger.locationServicesEnabled(); console.log("系统定位开启:" + result); plus.ios.deleteObject(cllocationManger); return result; } else { var context = plus.android.importClass("android.content.Context"); var locationManager = plus.android.importClass("android.location.LocationManager"); var main = plus.android.runtimeMainActivity(); var mainSvr = main.getSystemService(context.LOCATION_SERVICE); var result = mainSvr.isProviderEnabled(locationManager.GPS_PROVIDER); console.log("系统定位开启:" + result); return result } } module.exports = { judgeIosPermission: judgeIosPermission, requestAndroidPermission: requestAndroidPermission, checkSystemEnableLocation: checkSystemEnableLocation, gotoAppPermissionSetting: gotoAppPermissionSetting }四、face.vue源代码 拍照 import permission from '../util/permission.js' export default { data() { return { imgData: '', pusher: null, scanWin: null, faceInitTimeout: null, snapshTimeout: null, uploadFileTask: null, cilckSwitch: false, //防止多次点击 }; }, methods: { //初始化 faceInit() { this.faceInitTimeout = setTimeout(async () => { //创建livepusher if (uni.getSystemInfoSync().platform === 'android') { const data1 = await permission.requestAndroidPermission( "android.permission.RECORD_AUDIO") const data2 = await permission.requestAndroidPermission("android.permission.CAMERA") if (data1 == 1 && data2 == 1) { this.pusherInit(); } } else { this.pusherInit(); } // 覆盖在视频之上的内容，根据实际情况编写 // 利用plus.webview.create将扫描框页面及扫描动画（xxx.html）覆盖在视频之上； // this.scanWin = plus.webview.create('/static/456.html', '', { // background: 'transparent' // }); // //新引入的webView显示 // this.scanWin.show(); }, 2000); }, //初始化播放器 pusherInit() { // 获取当前窗口 const currentWebview = this.$mp.page.$getAppWebview(); // 创建推流，url不填写代表不上传 this.pusher = plus.video.createLivePusher('livepusher', { url: '', top: '10%', left: '20%', width: '300px', height: '300px', position: 'absolute', aspect: '9:16', muted: false, 'z-index': 999, }); // 将推流对象加到当前页面中 currentWebview.append(this.pusher); //反转摄像头 this.pusher.switchCamera(); //开始预览 this.pusher.preview(); }, //快照 snapshotPusher() { if (this.cilckSwitch) { uni.showToast({ title: '请勿频繁点击', icon: 'none' }) return } this.cilckSwitch = true let that = this this.snapshTimeout = setTimeout(() => { this.pusher.snapshot( e => { //拿到本地文件路径 var src = e.tempImagePath; console.log(src) //获取图片base64 this.getMinImage(src); that.cilckSwitch = false }, function(e) { plus.nativeUI.alert('snapshot error: ' + JSON.stringify(e)); that.cilckSwitch = false } ); }, 3000); }, //使用plus.zip.compressImage压缩图片 getMinImage(imgPath) { plus.zip.compressImage({ src: imgPath, dst: imgPath, overwrite: true, quality: 40 }, zipRes => { setTimeout(() => { var reader = new plus.io.FileReader(); reader.onloadend = res => { //获取图片base64 var speech = res.target.result; //base64图片 console.log(speech) this.imgData = speech; }; //一定要使用plus.io.convertLocalFileSystemURL将target地址转换为本地文件地址，否则readAsDataURL会找不到文件 reader.readAsDataURL(plus.io.convertLocalFileSystemURL(zipRes.target)); }, 1000); }, function(error) { console.log('Compress error!', error); } ); }, }, onLoad(option) { //#ifdef APP-PLUS this.faceInit(); //#endif }, onHide() { console.log('hide') this.faceInitTimeout && clearTimeout(this.faceInitTimeout); this.snapshTimeout && clearTimeout(this.snapshTimeout); //this.scanWin.hide(); }, }; 五、代码效果
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