【Android基础学习】带进度条的WebView 2

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原文地址：http://www.android100.org/html/201502/21/122162.html

import android.os.Bundle;import android.support.v4.app.Fragment;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.webkit.WebChromeClient;import android.webkit.WebView;import android.widget.ProgressBar;public class WorkFragment extends Fragment {//    private WebView webView;//    private ProgressBar progressBar;    final String url = "https://www.baidu.com/";    @Override    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {        View view = inflater.inflate(R.layout.work_fragment,container,false);        final WebView webView = (WebView)view.findViewById(R.id.workWebView);        final ProgressBar progressBar = (ProgressBar)view.findViewById(R.id.progressBar);        webView.getSettings().setJavaScriptEnabled(true);        webView.setWebChromeClient(new WebChromeClient(){            @Override            public void onProgressChanged(WebView view, int newProgress) {                if (newProgress == 100) {                    progressBar.setVisibility(View.INVISIBLE);                } else {                    if (View.INVISIBLE == progressBar.getVisibility()) {                        progressBar.setVisibility(View.VISIBLE);                    }                    progressBar.setProgress(newProgress);                }                super.onProgressChanged(view, newProgress);            }        });        webView.loadUrl(url);        return view;    }}

布局文件代码：

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical"    android:layout_width="match_parent"    android:layout_height="match_parent">    <ProgressBar        style="?android:attr/progressBarStyleHorizontal"        android:layout_width="match_parent"        android:layout_height="8dp"        android:id="@+id/progressBar" />    <WebView        android:layout_width="match_parent"        android:layout_height="match_parent"        android:id="@+id/workWebView" /></LinearLayout>

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