如何在WebView中浏览网页历史记录 [英] How to navigate webpage history in webview
本文介绍了如何在WebView中浏览网页历史记录的处理方法,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
我的应用程序中包含Webview.我想浏览网页历史记录,但是我不知道该怎么做.请帮我.我的Main.java如下:
I have webview included in my app. I want to navigate webpage history, but I don`t know how to do that. Please help me. My Main.java below:
package com.abc.test;
import android.app.Activity;
import android.os.Bundle;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
public class Main extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
WebView wv = (WebView)findViewById(R.id.webview);
WebSettings webSettings = wv.getSettings();
webSettings.setJavaScriptEnabled(true);
wv.setWebViewClient(new WebViewClient() {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
view.loadUrl(url);
return true;
}
});
wv.loadUrl("http://www.google.com");
}
}
推荐答案
以下是代码
public void goBackInWebView(){
WebBackForwardList history = webView.copyBackForwardList();
int index = -1;
String url = null;
while (webView.canGoBackOrForward(index)) {
if (!history.getItemAtIndex(history.getCurrentIndex() + index).getUrl().equals("about:blank")) {
webView.goBackOrForward(index);
url = history.getItemAtIndex(-index).getUrl();
Log.e("tag","first non empty" + url);
break;
}
index --;
}
// no history found that is not empty
if (url == null) {
finish();
}
}
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