android 简易显示web浏览，嵌入自己的应用中

package com.example.tanhuohui;
import android.os.Bundle;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.graphics.Bitmap;
import android.view.View;
import android.view.View.OnClickListener;
import android.webkit.WebChromeClient;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.ImageView;
import android.widget.LinearLayout;
/**
* 请关注卫浴家居,欧风卫浴
* IP地址:
* 手机店铺地址:http://shop102621944.m.taobao.com
*
*/
public class WebBrowser extends Activity implements OnClickListener{
WebView mWebView;
ImageView back;
ImageView forward;
ImageView refresh;
LinearLayout goback,goforward,refreshBTn;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.web_browser);
setControl();
setWebStyle();
}
private void setControl() {
mWebView=(WebView)findViewById(R.id.webshow);
//first=(Button)findViewById(R.id.button1);
back=(ImageView)findViewById(R.id.button2);
forward=(ImageView)findViewById(R.id.button3);
refresh=(ImageView)findViewById(R.id.button4);
goback=(LinearLayout) findViewById(R.id.goBackBtn);
goforward=(LinearLayout) findViewById(R.id.goForwardBtn);
refreshBTn=(LinearLayout) findViewById(R.id.refreshBtn);
goback.setOnClickListener(this);
goforward.setOnClickListener(this);
refreshBTn.setOnClickListener(this);
}
@SuppressLint("SetJavaScriptEnabled")
private void setWebStyle() {
mWebView.getSettings().setJavaScriptEnabled(true);
mWebView.getSettings().setSupportZoom(true);
mWebView.setScrollBarStyle(WebView.SCROLLBARS_OUTSIDE_OVERLAY);
mWebView.requestFocus();
mWebView.loadUrl("http://shop102621944.m.taobao.com");
mWebView.setWebViewClient(new MyWebViewClient());
// 设置setWebChromeClient对象
mWebView.setWebChromeClient(chromeClient);
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if (v == goback) {
if (mWebView.canGoBack()){
mWebView.goBack();
}
} else if (v == goforward) {
if (mWebView.canGoForward()){
mWebView.goForward();
}
}else if(v==refreshBTn){
mWebView.reload();
}

}
class MyWebViewClient extends WebViewClient{
@Override
public boolean shouldOverrideUrlLoading(WebView view,String url_){
view.loadUrl(url_);
goback.setEnabled(mWebView.canGoBack());
if(mWebView.canGoBack()){
back.setImageResource(R.drawable.mini_webview_back);
}else{
back.setImageResource(R.drawable.mini_webview_back_disable);
}
goforward.setEnabled(mWebView.canGoForward());
if(mWebView.canGoForward()){
forward.setImageResource(R.drawable.mini_webview_forward);
}else{
forward.setImageResource(R.drawable.mini_webview_back_disable);
}
return true;
}
@Override
public void onPageFinished(WebView view, String url) {
//设置程序的标题为网页的标题
}
@Override
public void onPageStarted(WebView view, String url, Bitmap favicon) {
goback.setEnabled(mWebView.canGoBack());
if(mWebView.canGoBack()){
back.setImageResource(R.drawable.mini_webview_back);
}else{
back.setImageResource(R.drawable.mini_webview_back_disable);
}
goforward.setEnabled(mWebView.canGoForward());
if(mWebView.canGoForward()){
forward.setImageResource(R.drawable.mini_webview_forward);
}else{
forward.setImageResource(R.drawable.mini_webview_forward_disable);
}
}

}
WebChromeClient chromeClient=new WebChromeClient(){
public void onReceivedTitle(WebView view, String title) {
//显示网页标题
//titleText.setText(title);

};
public void onProgressChanged(WebView view, int newProgress) {
if(newProgress==100){
refreshBTn.setEnabled(true);
refresh.setImageResource(R.drawable.mini_webview_refresh);
}else{
refresh.setImageResource(R.drawable.mini_webview_refresh_click);
refreshBTn.setEnabled(false);
}
};

};
}