WebView下拉刷新Demo

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这里是xml布局文件

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"      android:layout_width="match_parent"      android:layout_height="match_parent" >        <android.support.v4.widget.SwipeRefreshLayout          android:id="@+id/swipe_container"          android:layout_width="match_parent"          android:layout_height="match_parent" >            <WebView              android:id="@+id/webview"              android:layout_width="match_parent"              android:layout_height="match_parent"/>                </android.support.v4.widget.SwipeRefreshLayout>    </FrameLayout>

现在创建color.xml文件，用来展示进度条颜色

<?xml version="1.0" encoding="utf-8"?><resources>        <!-- A light Holo shade of blue -->      <color name="holo_blue_light">#ff33b5e5</color>      <!-- A light Holo shade of green -->      <color name="holo_green_light">#ff99cc00</color>      <!-- A light Holo shade of red -->      <color name="holo_red_light">#ffff4444</color>      <!-- A dark Holo shade of blue -->      <color name="holo_blue_dark">#ff0099cc</color>      <!-- A dark Holo shade of green -->      <color name="holo_green_dark">#ff669900</color>      <!-- A dark Holo shade of red -->      <color name="holo_red_dark">#ffcc0000</color>      <!-- A Holo shade of purple -->      <color name="holo_purple">#ffaa66cc</color>      <!-- A light Holo shade of orange -->      <color name="holo_orange_light">#ffffbb33</color>      <!-- A dark Holo shade of orange -->      <color name="holo_orange_dark">#ffff8800</color>      <!-- A really bright Holo shade of blue -->      <color name="holo_blue_bright">#ff00ddff</color> </resources>

最后，是我们MainActivity中的示例

package com.example.webviewrefresh;import android.os.Bundle;import android.app.Activity;import android.support.v4.widget.SwipeRefreshLayout;import android.support.v4.widget.SwipeRefreshLayout.OnRefreshListener;import android.view.Menu;import android.view.View;import android.webkit.WebChromeClient;import android.webkit.WebView;import android.webkit.WebViewClient;public class MainActivity extends Activity {    private SwipeRefreshLayout swipeLayout;private WebView webview;@Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        webview = (WebView) findViewById(R.id.webview);       swipeLayout = (SwipeRefreshLayout) findViewById(R.id.swipe_container);       swipeLayout.setOnRefreshListener(new OnRefreshListener() {@Overridepublic void onRefresh() {// TODO Auto-generated method stubwebview.loadUrl(webview.getUrl());}});               swipeLayout.setColorScheme(R.color.holo_blue_bright,                 R.color.holo_green_light, R.color.holo_orange_light,                 R.color.holo_red_light);                  webview.loadUrl("https://www.baidu.com/");                 webview.getSettings().setJavaScriptEnabled(true);                 webview.setScrollBarStyle(WebView.SCROLLBARS_OUTSIDE_OVERLAY);                webview.requestFocus();                webview.setWebViewClient(new WebViewClient(){             @Override             public boolean shouldOverrideUrlLoading(WebView view, String url) {                 view.loadUrl(url);                        return true;                    }         });         //设置进度条         webview.setWebChromeClient(new WebChromeClient(){             @Override             public void onProgressChanged(WebView view, int newProgress) {                 if (newProgress == 100) {                                       swipeLayout.setRefreshing(false);                 } else {                     if (!swipeLayout.isRefreshing())                         swipeLayout.setRefreshing(true);                 }                                  super.onProgressChanged(view, newProgress);             }         });              }  }

好了，接下里你可以试一试了，希望有所帮助

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