navigator

问题 I have three tabs and 8 screens in react native app. I have created bottom tab navigator as follows and I have 5 more screens which i dont want in tabs but on those screens the normal three tabs bottom bar navigator is required. Exact help is appreciated. const TabNavigation = createBottomTabNavigator( { Scan: { screen: ScanScreen, navigationOptions: { tabBarLabel: 'Scan', tabBarIcon: () => <Ionicons name="ios-qr-scanner-outline" size={32} color="blue" /> , }, }, Patient: { screen:

问题 I am using Cordova to create Hybrid app for windows phone in visual studio 2015. I am facing problem with camera orientation while facing front camera. here is my code if (!navigator.camera) { alert("Camera API not supported", "Error"); deffered.reject('Unable to open camera'); return deffered.promise; }; if( direction === undefined ) { direction = 0; } var options = { quality: 50, destinationType: Camera.DestinationType.FILE_URI, sourceType: 1, // 0:Photo Library, 1=Camera, 2=Saved Album

问题 I use Windows to develop my app and I use navigator.platform to detect the OS type. I don't have a Chromium OS so I don't know what the value will be returned by the above script. Can someone tell me what it returns on Chromium OS? 回答1: In the userAgent you will get Chrome and then CrOS For example: var ua = window.navigator.userAgent; // Then check if the UA is something like: Mozilla/5.0 (X11; CrOS i686 0.12.433) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/12.0.742.77 Safari/534.30 Here

问题 Ok, The problem is I have a working sliding menu with pages. Now one of my page has an ons-list. By clicking on ons-list-item I want to navigate to a new page with back button. I have searched everywhere but didn't find any proper solution to my problem. Here is my code. <ons-sliding-menu menu-page="menu.html" main-page="home.html" side="left" var="menu" type="reveal" max-slide-distance="260px" swipable="true"> </ons-sliding-menu> <ons-template id="menu.html"> <ons-page modifier="menu-page">

问题 I have recently Installed Anaconda for Python 3.6 but it shows the error "Segmentation fault" whenever I try to run Anaconda-Navigator. I've tried just writting in the terminal Anaconda-Navigator and also going to my Anaconda3 folder and try to execute it inside bin. The only solution that works so far is accessing the previously bin folder as root. My problem is that I need to activate TensorFlow before I run anything in my console, but that is imposible as a root user. I've already try to

问题 I'm fairly new to React Native, but I have a simple working app with three scenes. I was previously using Navigator but it felt laggy and was excited to try out React Navigation (as in https://reactnavigation.org/). After implementing React Navigation, my background color switched from white to grey, and what was grey to white. This is a strange and shouldn't be related. However I didn't change my styles. I only implemented the new navigation and the colors changed. When I revert back to

问题 In iOS, we have a UITabBarController which stays permanently at the bottom of the screen when we push to a new ViewController. In Flutter, we have a bottomNavigationBar of a Scaffold. However, unlike iOS, when we Navigator.push to a new screen, this bottomNavigationBar disappears. In my app, I want to fulfil this requirement: Home screen has a bottomNavigationBar with 2 items ( a & b ) presenting screen A & B . By default, screen A is displayed. Inside screen A , there is a button. Tap that

问题 I need to set up a connection in the DB Navigator plugin for PHPStorm in a mac (snow leopard). It asks me for the route of a library that implements the java.sql.Driver class. I just don't have any idea of where is it. Any advice? 回答1: Instructions Install DB Navigator Plugin via menubar >> Settings >> Plugins >> Available-Tab Download MySQL jdbc connector from here >> http://www.mysql.com/downloads/connector/j/ Unpack MySQL jdbc connector to a directory of your choice Restart PHPStorm /

问题 I'm pretty new to objective c, and having some basic problems. I wrote a simple program using a navigator, and everything worked fine. then I added few lines of code (can't even remember what exactly, and it seems to have no connection to the problem) and the problem occurred. I tried ctrl+z, and the problem remained: I run the program and get these errors: 1. unknown type name "mainController" 2. property with 'retain (or strong)' attribute must be of object type while mainController is the

问题 I've got a problem using Phonegap . I've created a Test application using console: phonegap create ProjectTest cordova platform add ios cordova build Then opened generated Xcode project and added new line to onDeviceReady function: onDeviceReady: function() { app.receivedEvent('deviceready'); // MY TEST alert(navigator.connection); } Also i've added this line to my config.xml: <plugin name="NetworkStatus" value="CDVConnection" /> So, result in alert is 'undefined'...... I just need to test