自定義的webview

import android.annotation.SuppressLint;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.net.Uri;
import android.net.http.SslError;
import android.util.Log;
import android.webkit.SslErrorHandler;
import android.webkit.WebView;
import android.webkit.WebViewClient;


/**
 * 自定義的瀏覽器
 *
 */
public class UIWebViewClient extends WebViewClient {


/***跳轉上下文**/
private Context context;

/***跳轉界面對象**/
private Class target;

/***是否程序內部打開：true-->程序內部打開網頁，false-->調用別的窗體打開**/
private Boolean isInnerOpen = true;


/**過濾目標字符串**/
private String filter = "";

private String TAG = UIWebViewClient.class.getSimpleName();

/**當前加載網頁URL***/
public static String currentURL = "";

/**
* 默認內部打開鏈接
*/
public UIWebViewClient() {
this(true);
}

/**
* @param isInnerOpen 是否內部打開
*/
public UIWebViewClient(Boolean isInnerOpen) {
this(null,null,isInnerOpen);
}

/**
* 
* @param context 上下文
* @param target 處理新開網頁URL界面
* @param isInnerOpen 是否內部打開
*/
public UIWebViewClient(Context context, Class target, Boolean isInnerOpen) {
this(context,target,isInnerOpen,"");
}

/**
* 
* @param context 上下文
* @param target 處理新開網頁URL界面
* @param isInnerOpen 是否內部打開
* @param filter 過濾字符串
*/
public UIWebViewClient(Context context, Class target, Boolean isInnerOpen,String filter) {
this.context = context;
this.target = target;
this.isInnerOpen = isInnerOpen;
this.filter = filter;
}


/***
* 讓瀏覽器支持訪問https請求
*/
@SuppressLint("NewApi")
public void onReceivedSslError(WebView view, SslErrorHandler handler,
SslError error) {
handler.proceed();  
super.onReceivedSslError(view, handler, error);
}

/**
* 控制網頁的鏈接跳轉打開方式（攔截URL）
*/
public boolean shouldOverrideUrlLoading(WebView view, String url) {
currentURL = url;
if (isInnerOpen) {
view.loadUrl(url);
return true;
} else {
String host = Uri.parse(url).getHost();
if (!host.startsWith("http")){
host = "http://" + host;
}
if (!host.endsWith("/")){
host = host + "/";
}


if (null != context && null != target) {
if (host.equals(filter)) {
Intent intent = new Intent(context, target);
intent.putExtra("url", url);
context.startActivity(intent);
return true;
}
}
return false;
}
}

@Override  
     public void onPageStarted(WebView view, String url, Bitmap favicon) {  
         super.onPageStarted(view, url, favicon);
         Log.e(TAG, "onPageStarted--->url="+url);
     }  


     @Override  
     public void onPageFinished(WebView view, String url) {  
    //加載完畢後，開始加載圖片
         //view.getSettings().setBlockNetworkImage(false);
         
         Log.e(TAG, "onPageFinished--->url="+url);
         super.onPageFinished(view, url);  
     }  


     @Override  
     public void onReceivedError(WebView view, int errorCode,String description, String failingUrl) {  
    ToolAlert.closeLoading();
    ToolAlert.toastShort("加載數據失敗，錯誤碼："+errorCode+ "\n 原因描述："+description);
         super.onReceivedError(view, errorCode, description, failingUrl);  
     }  
}