处理与PhoneGap的Andr​​oid上没有互联网连接 [英] handling no internet connection with PhoneGap on Android

问题描述

我试图来检测用户是否拥有自己的Andr​​oid设备上的网络连接。如果他们没有互联网，我希望能够证明上有一个按钮，上面写着重试的景色，如一个谷歌Play应用商店。我检测使用的是原生Android的WebView使用下面的code之前没有信号，但是我现在想找到一种方法，这样做同样的事情的PhoneGap。此外，如果任何人都可以提供关于如何重新加载网页一些示例code，这将是极好的！

  webview.setWebViewClient（新WebViewClient（）{
        公共无效onReceivedError（的WebView观点，诠释错误code，描述字符串，字符串failingUrl）{
            意图myIntent =新意图（view.getContext（），LoadScreen.class）;            startActivity（myIntent）;
            完（）;
        }
    }）;
 

解决方案

通过以下code解决了这个：

 公共布尔isOnline（）{
    ConnectivityManager厘米=
        （ConnectivityManager）getSystemService（Context.CONNECTIVITY_SERVICE）;
    NetInfo的的NetworkInfo = cm.getActiveNetworkInfo（）;
    如果（NetInfo的= NULL＆放大器;！＆安培; netInfo.isConnectedOrConnecting（））{
        返回true;
    }
    返回false;
}
 

I'm trying to detect whether or not a user has internet connection on their android device. If they don't have internet, I want to be able to show a view that has a button on it that said "retry", like that of the Google Play app store. I was detecting no signal using a native android webview before using the code below, but I'd now like to find a way to do this same thing with PhoneGap. Also, if anybody could provide some sample code on how to re-load the webpage, that would be excellent!

    webview.setWebViewClient(new WebViewClient() {
        public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
            Intent myIntent = new Intent(view.getContext(), LoadScreen.class);

            startActivity(myIntent);
            finish();
        }
    });

解决方案

Solved this by using the following code:

public boolean isOnline() {
    ConnectivityManager cm =
        (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo netInfo = cm.getActiveNetworkInfo();
    if (netInfo != null && netInfo.isConnectedOrConnecting()) {
        return true;
    }
    return false;
}

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