[英]Android WebView: Tel: Geo: Mailto: Proper Handling
Can someone please help explain how to handle Tel: Geo: and Mailto: links correctly using WebView. 有人可以帮忙解释如何使用WebView正确处理“电话:地理位置:”和“邮件收件人:”链接。
Currently all links result in a "page cannot be displayed" error. 当前,所有链接均导致“无法显示页面”错误。
Below is the code I'm using which was put together from other suggested solutions: 以下是我使用的代码,它与其他建议的解决方案结合在一起:
mWebView = (WebView) findViewById(R.id.webview);
mWebView.getSettings().setJavaScriptEnabled(true);
mWebView.getSettings().setBuiltInZoomControls(true);
mWebView.getSettings().setUseWideViewPort(true);
mWebView.loadUrl("http://www.google.com");
mWebView.setWebViewClient(new HelloWebViewClient());
}
private class HelloWebViewClient extends WebViewClient {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
if (url.startsWith("tel:")) {
startActivity(new Intent(Intent.ACTION_DIAL, Uri.parse(url)));
return true;
} else if (url.startsWith("mailto:")) {
url = url.replaceFirst("mailto:", "");
url = url.trim();
Intent i = new Intent(Intent.ACTION_SEND);
i.setType("plain/text").putExtra(Intent.EXTRA_EMAIL, new String[]{url});
startActivity(i);
return true;
} else if (url.startsWith("geo:")) {
Intent searchAddress = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
startActivity(searchAddress);
return true;
} else {
view.loadUrl(url);
return true;
}
}
}
} }
这个答案对我Intent.ACTION_VIEW
,并且您可以在每种情况下都使用Intent.ACTION_VIEW
,因为它会强制设备查找可能显示给用户的选项。
This Code is Working for me : (Above code is not proper if you will use back button) 该代码对我有用:(如果使用后退按钮,则上述代码不正确)
Call Custom Webview : 调用自定义Webview:
view.setWebViewClient(new CustomWebViewClient());
Now Extend WebView : 现在扩展WebView:
private class CustomWebViewClient extends WebViewClient {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
if( url.startsWith("http:") || url.startsWith("https:") ) {
return false;
}
// Otherwise allow the OS to handle it
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
startActivity( intent );
return true;
}
}
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