自定义titlebar和webview的使用

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需要添加titlebar的布局，修改titlebar的高度，以及详细指明了popupwindow的使用

package com.estrongs.android.ui.homepage.blocks;

import com.estrongs.android.pop.R;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnTouchListener;
import android.view.ViewGroup.LayoutParams;
import android.view.Window;
import android.webkit.WebChromeClient;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.ImageButton;
import android.widget.PopupWindow;
import android.widget.TextView;

public class CustomBrowser extends Activity {

   WebView webView;
   ImageButton back;
   TextView articlTitle;
   ImageButton customBrowserMenu;

   @Override
   protected void onCreate(Bundle savedInstanceState) {
       // TODO Auto-generated method stub
       super.onCreate(savedInstanceState);
       requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
       //getWindow().requestFeature(Window.FEATURE_PROGRESS);
       setContentView(R.layout.custom_browser);
       getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.custom_browser_titlebar);

       webView = (WebView) findViewById(R.id.custom_webview);
       webView.getSettings().setJavaScriptEnabled(true);
       webView.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);
       webView.getSettings().setSupportMultipleWindows(true);
       // webView.setWebViewClient(new WebViewClient());
       // webView.setWebChromeClient(new WebChromeClient());
       webView.setWebViewClient(new WebViewClient() {
           public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
               //Toast.makeText(activity, "Oh no! " + description, Toast.LENGTH_SHORT).show();
           }
       });
       webView.setWebChromeClient(new WebChromeClient() {
           public void onProgressChanged(WebView view, int progress) {
               // Activities and WebViews measure progress with different
               // scales.
               // The progress meter will automatically disappear when we reach
               // 100%
               CustomBrowser.this.setProgress(progress * 100);
           }
       });
       webView.loadUrl("http://baidu.com");

       back = (ImageButton) findViewById(R.id.custom_browser_back);
       articlTitle = (TextView) findViewById(R.id.custome_browser_article_title);
       customBrowserMenu = (ImageButton) findViewById(R.id.custom_browser_menu);
       customBrowserMenu.setOnClickListener(new OnClickListener() {

           @Override
           public void onClick(View view) {
               // TODO Auto-generated method stub
               showPopupWindow(view);
           }
       });
   }

   private void showPopupWindow(View view) {
       View contentView = LayoutInflater.from(this).inflate(R.layout.custom_browser_popupwindow, null);
       final PopupWindow popupWindow = new PopupWindow(contentView, LayoutParams.WRAP_CONTENT,
               LayoutParams.WRAP_CONTENT, true);
       popupWindow.setTouchInterceptor(new OnTouchListener() {

           @Override
           public boolean onTouch(View v, MotionEvent event) {

               Log.i("mengdd", "onTouch : ");

               return false;
               // 这里如果返回true的话，touch事件将被拦截
               // 拦截后 PopupWindow的onTouchEvent不被调用，这样点击外部区域无法dismiss
           }
       });

       // 如果不设置PopupWindow的背景，无论是点击外部区域还是Back键都无法dismiss弹框
       // 我觉得这里是API的一个bug
       popupWindow.setBackgroundDrawable(getResources().getDrawable(R.drawable.background));
       // 设置好参数之后再show
       popupWindow.showAsDropDown(view);
       // popupWindow.showAtLocation(view, Gravity.BOTTOM, 0, 0);
   }

   @Override
   public boolean onCreateOptionsMenu(Menu menu) {
       menu.add(Menu.NONE, 0, 0, "后退");
       menu.add(Menu.NONE, 1, 1, "添加为收藏");
       menu.add(Menu.NONE, 2, 2, "分享");
       menu.add(Menu.NONE, 3, 3, "在浏览器中打开");
       menu.add(Menu.NONE, 4, 4, "添加到桌面");
       menu.add(Menu.NONE, 5, 5, "窗口");
       return super.onCreateOptionsMenu(menu);
   }

   @Override
   public boolean onOptionsItemSelected(MenuItem item) {
       // TODO Auto-generated method stub
       if (item.getItemId() == 1) {
           System.out.println("#########################");
       }
       switch (item.getItemId()) {
       case 0:
           System.out.println("**********************0 hou tui");
           break;
       case 1:
           System.out.println("**********************1 tian jia shou cang");
           break;
       case 2:
           System.out.println("**********************2 fen xiang");
           break;
       case 3:
           System.out.println("**********************3 zai ");
           break;
       case 4:
           System.out.println("**********************4 tian jia dao zuo m ");
           break;
       default:
           break;
       }
       return super.onOptionsItemSelected(item);
   }

   public void reload(View v) {
       webView.reload();
   }

   public void stop(View v) {
       webView.stopLoading();
   }

   public void back(View v) {
       webView.goBack();
   }

   public void forward(View v) {
       webView.goForward();
   }

}

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