在离子应用

Question

我正在阅读

中的离子教程

http://ccoenraets.github.io/ionic-tutorial/build-ionic-project.html

并在浏览器上运行应用

ionic serve

并在android中使用

ionic emulate android 

当我按照教程中的说明运行应用程序时，它在我的Chrome浏览器上运行良好但是当我尝试在模拟器上运行时，我看不到任何数据，它只是带有菜单的空屏幕。我怀疑它与whilelist的问题并添加了

  <allow-navigation href="*" />

到我的/config.xml文件但它仍然无法正常工作，我当前的config.xml文件是

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<widget id="com.ionicframework.conference472350" version="0.0.1" xmlns="http://www.w3.org/ns/widgets" xmlns:cdv="http://cordova.apache.org/ns/1.0">
  <name>conference</name>
  <description>
        An Ionic Framework and Cordova project.
    </description>
  <author email="hi@ionicframework" href="http://ionicframework.com/">
      Ionic Framework Team
    </author>
  <content src="index.html"/>
  <access origin="*" />
  <allow-intent href="*" />
  <allow-navigation href="*" />
  <preference name="webviewbounce" value="false"/>
  <preference name="UIWebViewBounce" value="false"/>
  <preference name="DisallowOverscroll" value="true"/>
  <preference name="android-minSdkVersion" value="16"/>
  <preference name="BackupWebStorage" value="none"/>
  <preference name="SplashScreen" value="screen"/>
  <preference name="SplashScreenDelay" value="3000"/>
  <feature name="StatusBar">
    <param name="ios-package" value="CDVStatusBar" onload="true"/>
  </feature>
  <platform name="android">
    <icon src="resources/android/icon/drawable-ldpi-icon.png" density="ldpi"/>
    <icon src="resources/android/icon/drawable-mdpi-icon.png" density="mdpi"/>
    <icon src="resources/android/icon/drawable-hdpi-icon.png" density="hdpi"/>
    <icon src="resources/android/icon/drawable-xhdpi-icon.png" density="xhdpi"/>
    <icon src="resources/android/icon/drawable-xxhdpi-icon.png" density="xxhdpi"/>
    <icon src="resources/android/icon/drawable-xxxhdpi-icon.png" density="xxxhdpi"/>
    <splash src="resources/android/splash/drawable-land-ldpi-screen.png" density="land-ldpi"/>
    <splash src="resources/android/splash/drawable-land-mdpi-screen.png" density="land-mdpi"/>
    <splash src="resources/android/splash/drawable-land-hdpi-screen.png" density="land-hdpi"/>
    <splash src="resources/android/splash/drawable-land-xhdpi-screen.png" density="land-xhdpi"/>
    <splash src="resources/android/splash/drawable-land-xxhdpi-screen.png" density="land-xxhdpi"/>
    <splash src="resources/android/splash/drawable-land-xxxhdpi-screen.png" density="land-xxxhdpi"/>
    <splash src="resources/android/splash/drawable-port-ldpi-screen.png" density="port-ldpi"/>
    <splash src="resources/android/splash/drawable-port-mdpi-screen.png" density="port-mdpi"/>
    <splash src="resources/android/splash/drawable-port-hdpi-screen.png" density="port-hdpi"/>
    <splash src="resources/android/splash/drawable-port-xhdpi-screen.png" density="port-xhdpi"/>
    <splash src="resources/android/splash/drawable-port-xxhdpi-screen.png" density="port-xxhdpi"/>
    <splash src="resources/android/splash/drawable-port-xxxhdpi-screen.png" density="port-xxxhdpi"/>
  </platform>
</widget>

我正在使用chrome devtools调试应用程序，这是我在应用程序控制台中获得的错误

Failed to load resource: net::ERR_CONNECTION_REFUSED

Answer 1

有趣的是，我在开发应用时遇到了同样的问题。

您是否正确安装了该插件？如果你这样做，你没有提到。

您需要先安装cordova whitelist plugin。我是通过npm完成的。

我还在config.xml中添加了对资源的所有访问权限：

  <access origin="*" />
  <allow-intent href="*" />
  <allow-navigation href="*" />

虽然，不建议这样做。相反，允许访问应用程序所需的资源。