我正在尝试学习PhoneGap并开始创建简单演示。我刚刚编写了一个代码在页面上显示警报。但它没有显示警报,并显示错误Unable to open asset URL: file:///android_asset/www/cordova_plugins.json
。警报未在Phonegap中显示
我已经检查了所有与错误有关的SO的答案,也尝试过但没有任何帮助。
更新:
下面是我的错误:
03-31 03:18:42.040: E/AndroidProtocolHandler(3710): Unable to open asset URL: file:///android_asset/www/cordova_plugins.json
03-31 03:18:42.220: I/chromium(3710): [INFO:CONSOLE(15)] "Uncaught SyntaxError: Unexpected token :", source: file:///android_asset/www/cordova_plugins.js (15)
03-31 03:18:42.240: I/chromium(3710): [INFO:CONSOLE(56)] "Uncaught module cordova/plugin_list not found", source: file:///android_asset/www/cordova.js (56)
03-31 03:18:45.810: I/chromium(3710): [INFO:CONSOLE(19)] "Uncaught TypeError: Cannot call method 'alert' of undefined", source: file:///android_asset/www/index.html (19)
03-31 03:18:47.010: I/chromium(3710): [INFO:CONSOLE(6725)] "deviceready has not fired after 5 seconds.", source: file:///android_asset/www/cordova.js (6725)
03-31 03:18:47.030: I/chromium(3710): [INFO:CONSOLE(6718)] "Channel not fired: onPluginsReady", source: file:///android_asset/www/cordova.js (6718)
03-31 03:18:47.040: I/chromium(3710): [INFO:CONSOLE(6718)] "Channel not fired: onCordovaReady", source: file:///android_asset/www/cordova.js (6718)
03-31 03:18:47.040: I/chromium(3710): [INFO:CONSOLE(6718)] "Channel not fired: onCordovaConnectionReady", source: file:///android_asset/www/cordova.js (6718)
03-31 03:18:49.950: I/chromium(3710): [INFO:CONSOLE(19)] "Uncaught TypeError: Cannot call method 'alert' of undefined", source: file:///android_asset/www/index.html (19)
这里是我的html文件:
<!DOCTYPE HTML>
<html>
<head>
<title> My First PhoneGap App </title>
<meta name="viewport" content="width=device-width, user-scalable=no"/>
<meta http-equiv="Content-type" content="text/html; charset=utf-8"/>
<script type="text/javascript" charset="utf-8" src="cordova.js"></script>
<script type="text/javascript" charset="utf-8">
var showMessageBox = function() {
navigator.notification.alert("Hello World of PhoneGap");
}
function init(){
document.addEventListener("deviceready", showMessageBox, true);
navigator.notification.alert("Hello World of PhoneGap");
}
</script>
</head>
<body>
<h1> Welcome To First PhoneGap Demo </h1>
<p><a href="#" onclick="init(); return false;">Show Alert</a></p>
</body>
</html>
的Config.xml
<?xml version="1.0" encoding="UTF-8"?>
<widget xmlns= "http://www.w3.org/ns/widgets"
xmlns:gap ="http://phonegap.com/ns/1.0"
id = "com.testdemo.myfirstapp"
versionCode="1.0"
version="1.0.0"
>
<name>My First Application </name>
<description>This is my first demo application</description>
<feature name="http://api.phonegap.com/1.0/device" />
<preference name="permissions" value="none"/>
<plugin name="NetworkStatus" value="org.apache.cordova.NetworkManager"/>
<plugin name="Notification" value="org.apache.cordova.Notification"/>
</widget>
正如我已经添加了cordova_plugins.js
我的文件夹asset/www/
上面的对话框的错误消失,但它已经停止了再次展示我的警告对话框并显示,我在我的错误日志中已经更新了不同的错误。如果我删除该文件,它会显示警告消息以及错误对话框。
我只是不明白我出错的地方。
请帮我解决这个问题。任何帮助将不胜感激。
谢谢你。
看看我的更新问题。我在'assets/www'文件夹中添加了'cordova_plugins.js',但是因为我已经添加了该文件,它已经停止向我显示警报消息。为什么这样 ?如果我删除该文件,它会显示警告消息以及错误对话框。 – GrIsHu