本文介绍了webview不会在链接点击时加载pdf文件的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我开发了一个Web应用程序,显示托管在Web服务器上的pdf文档列表。这个应用程序嵌入在Android的webview应用程序中,但是当我在手机上加载应用程序时,选择pdf链接什么都不做。我究竟做错了什么?谢谢
I have developed a web app that displays a list of pdf documents hosted on a web server. This app is embedded in a webview app for android however when I load the app on my phone, selection of a pdf link does nothing. What am I doing wrong? Thanks
继承java代码:
package com.hellowebview;
import android.app.Activity;
import android.os.Bundle;
import android.view.KeyEvent;
import android.webkit.WebView;
import android.webkit.WebViewClient;
public class HellowebviewActivity extends Activity {
/** Called when the activity is first created. */
private WebView mWebView;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mWebView = (WebView) findViewById(R.id.webview);
mWebView.getSettings().setJavaScriptEnabled(true);
mWebView.loadUrl("http://aipnz.webs.com");
mWebView.setWebViewClient(new HelloWebViewClient());
mWebView.setScrollBarStyle(WebView.SCROLLBARS_OUTSIDE_OVERLAY);
}
private class HelloWebViewClient extends WebViewClient {
@Override
public boolean shouldOverrideUrlLoading(WebView webview, String url)
{
webview.loadUrl(url);
return true;
}
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event)
{
if ((keyCode == KeyEvent.KEYCODE_BACK) && mWebView.canGoBack())
{
mWebView.goBack();
return true;
}
return super.onKeyDown(keyCode, event);
}
}
推荐答案
如果如果您要加载pdf,可以使用Google文档加载它。
If you want to load pdf you can use Google docs to load it.
String googleDocs = "https://docs.google.com/viewer?url=";
String pdf_url = "http://kronox.org/documentacion/Hello.Android.new.pdf";
webView.loadUrl(googleDocs + pdf_url);
注意:在清单文件中需要android.permission.INTERNET
NOTE: You need android.permission.INTERNET in Manifest file
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